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Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport flight
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Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport Flights Info

Cheapest one-way
£81
Frontier Airlines Frontier Airlines 7h 54m · 1 stop Mon, Jan 11
Book Now
Cheapest return
£165
Frontier Airlines Frontier Airlines 23h 4m · 2 stops Mon, Dec 7 - Thu, Dec 10
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Best time to book
November
Cheapest
Recommended airlines
Frontier Airlines Frontier AirlinesCheapest· From £81 Alaska Airlines Alaska AirlinesMost booked

Explore the cheapest one-way and round-trip flights from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport over the next 90 days, with one-way fares from £81 and round-trip from £165. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      DTW 08:55
      5h 15m
      Direct
      SEA 11:10
      Detroit - Seattle | Sun, Dec 6 | Delta Air Lines
      SEA 06:00
      4h 11m
      Direct
      DTW 13:11
      Seattle - Detroit | Sun, Dec 13 | Delta Air Lines
      £183 £259
      28% off
      28% off
      £259 £183
    • DTW 18:18
      5h 13m
      Direct
      SEA 20:31
      Detroit - Seattle | Sun, Dec 6 | Alaska Airlines
      SEA 10:03
      4h 17m
      Direct
      DTW 17:20
      Seattle - Detroit | Sun, Dec 13 | Alaska Airlines
      £186 £259
      28% off
      28% off
      £259 £186
    • DTW 19:39
      23h 4m
      1 stop
      SEA 15:43
      Detroit - Seattle | Mon, Dec 7 | Frontier Airlines
      SEA 16:58
      29h 12m
      1 stop
      DTW 01:10
      Seattle - Detroit | Thu, Dec 10 | Frontier Airlines
      £165 £259
      36% off
      36% off
      £259 £165
    • DTW 19:34
      23h 9m
      1 stop
      SEA 15:43
      Detroit - Seattle | Fri, Dec 11 | Frontier Airlines
      SEA 16:58
      24h 50m
      1 stop
      DTW 20:48
      Seattle - Detroit | Tue, Dec 15 | Frontier Airlines
      £166
      36% off
      £259 £166
    • DTW 13:39
      9h 52m
      1 stop
      SEA 20:31
      Detroit - Seattle | Sun, Dec 6 | American Airlines
      SEA 06:20
      6h 28m
      1 stop
      DTW 15:48
      Seattle - Detroit | Sun, Dec 13 | American Airlines
      £172
      34% off
      £259 £172
    • DTW 06:30
      14h 20m
      1 stop
      SEA 17:50
      Detroit - Seattle | Thu, Dec 10 | Hahn Air
      SEA 05:30
      8h 45m
      1 stop
      DTW 17:15
      Seattle - Detroit | Mon, Dec 14 |
      £176
      32% off
      £259 £176
    • DTW 18:18
      5h 13m
      Direct
      SEA 20:31
      Detroit - Seattle | Thu, Dec 10 | Alaska Airlines
      SEA 17:37
      8h 45m
      1 stop
      DTW 05:22
      Seattle - Detroit | Mon, Dec 14 | Delta Air Lines
      £194
      25% off
      £259 £194
    • DTW 19:55
      5h 8m
      Direct
      SEA 22:03
      Detroit - Seattle | Thu, Dec 10 | Delta Air Lines
      SEA 17:37
      8h 45m
      1 stop
      DTW 05:22
      Seattle - Detroit | Mon, Dec 14 | Delta Air Lines
      £196
      24% off
      £259 £196
    • DTW 07:25
      10h 57m
      1 stop
      SEA 15:22
      Detroit - Seattle | Thu, Nov 26 | Frontier Airlines
      SEA 21:53
      30h 3m
      1 stop
      DTW 06:56
      Seattle - Detroit | Sun, Nov 29 | Frontier Airlines
      £208
      20% off
      £259 £208
    • DTT 13:00
      17h 25m
      1 stop
      SEA 14:00
      Detroit - Seattle | Sun, Nov 15 | Normal Airline
      SEA 15:00
      6h
      Direct
      DTT 16:00
      Seattle - Detroit | Tue, Nov 17 | Normal Airline
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    • Cheapest
      DTW 07:15
      7h 54m
      1 stop
      SEA 12:09
      Detroit - Seattle | Mon, Jan 11 | Frontier Airlines
      £81 £131
      38% off
      38% off
      £131 £81
    • DTW 16:38
      22h 31m
      1 stop
      SEA 12:09
      Detroit - Seattle | Sun, Jan 10 | Frontier Airlines
      £96 £131
      27% off
      27% off
      £131 £96
    • DTW 18:18
      5h 13m
      Direct
      SEA 20:31
      Detroit - Seattle | Tue, Dec 8 | Alaska Airlines
      £99 £131
      24% off
      24% off
      £131 £99
    • DTW 18:18
      5h 13m
      Direct
      SEA 20:31
      Detroit - Seattle | Wed, Dec 9 | Alaska Airlines
      £99
      24% off
      £131 £99
    • DTW 18:06
      8h 59m
      1 stop
      SEA 00:05
      Detroit - Seattle | Tue, Dec 15 | Delta Air Lines
      £103
      21% off
      £131 £103
    • DTW 19:55
      5h 8m
      Direct
      SEA 22:03
      Detroit - Seattle | Wed, Dec 9 | Delta Air Lines
      £104
      21% off
      £131 £104
    • DTW 19:55
      5h 8m
      Direct
      SEA 22:03
      Detroit - Seattle | Tue, Dec 8 | Delta Air Lines
      £104
      21% off
      £131 £104
    • DTW 19:55
      5h 8m
      Direct
      SEA 22:03
      Detroit - Seattle | Mon, Dec 7 | Delta Air Lines
      £104
      21% off
      £131 £104
    • DTW 19:34
      23h 9m
      1 stop
      SEA 15:43
      Detroit - Seattle | Tue, Dec 15 | Frontier Airlines
      £105
      20% off
      £131 £105
    • DTT 13:00
      17h 25m
      1 stop
      SEA 14:00
      Detroit - Seattle | Sun, Nov 15 | Normal Airline
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    • Cheapest nonstop
      DTW 18:18
      5h 13m
      Direct
      SEA 20:31
      Detroit - Seattle | Tue, Dec 8 | Alaska Airlines
      £99 £131
      24% off
      24% off
      £131 £99
    • DTW 18:18
      5h 13m
      Direct
      SEA 20:31
      Detroit - Seattle | Wed, Dec 9 | Alaska Airlines
      £99 £131
      24% off
      24% off
      £131 £99
    • DTW 19:55
      5h 8m
      Direct
      SEA 22:03
      Detroit - Seattle | Wed, Dec 9 | Delta Air Lines
      £104 £131
      21% off
      21% off
      £131 £104
    • DTW 19:55
      5h 8m
      Direct
      SEA 22:03
      Detroit - Seattle | Tue, Dec 8 | Delta Air Lines
      £104
      21% off
      £131 £104
    • DTW 19:55
      5h 8m
      Direct
      SEA 22:03
      Detroit - Seattle | Mon, Dec 7 | Delta Air Lines
      £104
      21% off
      £131 £104
    • DTW 18:18
      5h 13m
      Direct
      SEA 20:31
      Detroit - Seattle | Tue, Dec 15 | Alaska Airlines
      £120
      55% off
      £267 £120
    • DTW 18:18
      5h 13m
      Direct
      SEA 20:31
      Detroit - Seattle | Thu, Dec 3 | Alaska Airlines
      £120
      55% off
      £267 £120
    • DTW 17:30
      5h 7m
      Direct
      SEA 19:37
      Detroit - Seattle | Tue, Jan 12 | Alaska Airlines
      £161
      40% off
      £267 £161
    • DTW 06:20
      5h 19m
      Direct
      SEA 08:39
      Detroit - Seattle | Wed, Dec 23 | Alaska Airlines
      £183
      31% off
      £267 £183
    • DTT 13:00
      17h 25m
      1 stop
      SEA 14:00
      Detroit - Seattle | Sun, Nov 15 | Normal Airline
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    • Cheapest nonstop
      DTW 18:18
      5h 13m
      Direct
      SEA 20:31
      Detroit - Seattle | Tue, Dec 15 | Alaska Airlines
      £120 £267
      55% off
      55% off
      £267 £120
    • DTW 18:18
      5h 13m
      Direct
      SEA 20:31
      Detroit - Seattle | Thu, Dec 3 | Alaska Airlines
      £120 £267
      55% off
      55% off
      £267 £120
    • DTW 17:30
      5h 7m
      Direct
      SEA 19:37
      Detroit - Seattle | Tue, Jan 12 | Alaska Airlines
      £161 £267
      40% off
      40% off
      £267 £161
    • DTW 17:30
      5h 7m
      Direct
      SEA 19:37
      Detroit - Seattle | Tue, Jan 5 | Alaska Airlines
      £166
      38% off
      £267 £166
    • DTW 06:20
      5h 19m
      Direct
      SEA 08:39
      Detroit - Seattle | Wed, Dec 23 | Alaska Airlines
      £183
      31% off
      £267 £183
    • DTW 17:35
      5h 7m
      Direct
      SEA 19:42
      Detroit - Seattle | Thu, Jan 14 | Alaska Airlines
      £185
      31% off
      £267 £185
    • DTW 17:35
      5h 7m
      Direct
      SEA 19:42
      Detroit - Seattle | Fri, Jan 15 | Alaska Airlines
      £187
      30% off
      £267 £187
    • DTW 06:20
      5h 19m
      Direct
      SEA 08:39
      Detroit - Seattle | Tue, Dec 22 | Alaska Airlines
      £202
      24% off
      £267 £202
    • DTW 06:20
      5h 19m
      Direct
      SEA 08:39
      Detroit - Seattle | Fri, Dec 25 | Alaska Airlines
      £202
      24% off
      £267 £202
    • DTT 13:00
      17h 25m
      1 stop
      SEA 14:00
      Detroit - Seattle | Sun, Nov 15 | Normal Airline
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    • Cheapest nonstop
      DTW 17:45
      5h 3m
      Direct
      SEA 19:48
      Detroit - Seattle | Sat, Nov 14 | Alaska Airlines
      £404 £499
      19% off
      19% off
      £499 £404
    • DTW 18:26
      7h 41m
      1 stop
      SEA 23:07
      Detroit - Seattle | Sat, Nov 14 | United Airlines
      £278 £499
      44% off
      44% off
      £499 £278
    • DTW 10:23
      8h 47m
      1 stop
      SEA 16:10
      Detroit - Seattle | Sun, Nov 15 | American Airlines
      £266 £499
      47% off
      47% off
      £499 £266
    • DTW 14:09
      7h 54m
      1 stop
      SEA 19:03
      Detroit - Seattle | Sun, Nov 15 | United Airlines
      £300
      40% off
      £499 £300
    • DTW 19:50
      5h 8m
      Direct
      SEA 21:58
      Detroit - Seattle | Sun, Nov 15 | Delta Air Lines
      £290
      42% off
      £499 £290
    • DTW 10:23
      8h 21m
      1 stop
      SEA 15:44
      Detroit - Seattle | Mon, Nov 16 | American Airlines
      £266
      47% off
      £499 £266
    • DTW 10:48
      7h 44m
      1 stop
      SEA 15:32
      Detroit - Seattle | Mon, Nov 16 | United Airlines
      £301
      40% off
      £499 £301
    • DTW 17:45
      5h 3m
      Direct
      SEA 19:48
      Detroit - Seattle | Mon, Nov 16 | Alaska Airlines
      £281
      44% off
      £499 £281
    • DTW 19:50
      5h 8m
      Direct
      SEA 21:58
      Detroit - Seattle | Mon, Nov 16 | Delta Air Lines
      £290
      42% off
      £499 £290
    • DTT 13:00
      17h 25m
      1 stop
      SEA 14:00
      Detroit - Seattle | Sun, Nov 15 | Normal Airline
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    • DTW 12:50
      5h
      Direct
      SEA 14:50
      Detroit - Seattle | Fri, Nov 20 | Delta Air Lines
      £252 £529
      52% off
      52% off
      £529 £252
    • DTW 12:50
      5h
      Direct
      SEA 14:50
      Detroit - Seattle | Wed, Nov 18 | Delta Air Lines
      £297 £529
      44% off
      44% off
      £529 £297
    • DTW 12:50
      5h
      Direct
      SEA 14:50
      Detroit - Seattle | Thu, Nov 19 | Delta Air Lines
      £297 £529
      44% off
      44% off
      £529 £297
    • DTW 12:50
      5h
      Direct
      SEA 14:50
      Detroit - Seattle | Tue, Nov 17 | Delta Air Lines
      £403
      24% off
      £529 £403
    • DTW 12:50
      5h
      Direct
      SEA 14:50
      Detroit - Seattle | Sat, Nov 14 | Delta Air Lines
      £403
      24% off
      £529 £403
    • DTW 12:53
      5h 2m
      Direct
      SEA 14:55
      Detroit - Seattle | Thu, Nov 26 | Delta Air Lines
      £220
      57% off
      £529 £220
    • DTW 12:53
      5h 2m
      Direct
      SEA 14:55
      Detroit - Seattle | Wed, Nov 25 | Delta Air Lines
      £225
      56% off
      £529 £225
    • DTW 16:35
      5h 2m
      Direct
      SEA 18:37
      Detroit - Seattle | Sun, Nov 22 | Delta Air Lines
      £235
      56% off
      £529 £235
    • DTW 12:53
      5h 2m
      Direct
      SEA 14:55
      Detroit - Seattle | Sat, Nov 21 | Delta Air Lines
      £262
      50% off
      £529 £262
    • DTT 13:00
      17h 25m
      1 stop
      SEA 14:00
      Detroit - Seattle | Sun, Nov 15 | Normal Airline
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Displayed flight fares from Detroit to Seattle are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport?

The cheapest airline flying from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport is Frontier Airlines (from £81) among 3 carriers operating this route. Based on Trip.com's latest 7-day flight data.
WestJet logo WestJet Porter Airlines logo Porter Airlines Air Canada logo Air Canada Flair Airlines logo Flair Airlines Air North logo Air North
Alaska Airlines logo Alaska Airlines Delta Air Lines logo Delta Air Lines Frontier Airlines logo Frontier Airlines

Trip.com Price Insights: Flights from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport

What is the cheapest month to fly return from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport?

The data is based on the past 12 months and shows the average monthly return fares from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport in the Trip.com database.

Based on Trip.com's data from the past 12 months, January is often the month to find the lowest fares from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport, with an average price of £138. August is usually the most expensive month, with an average price reaching £599.

£599
£369
£138
0
    Cheapest
  • £456
    Nov
  • £265
    Dec
  • £138
    Jan
  • £155
    Feb
  • £200
    Mar
  • £381
    Apr
  • £252
    May
  • £280
    Jun
  • £384
    Jul
  • £599
    Aug
  • £491
    Sep
  • £258
    Oct

What is the cheapest month to fly from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport are usually in November, with an average price of £149. It is best to avoid March, when the average price can reach £277.

£277
£213
£149
£85
  • £149
    Nov
  • £161
    Dec
  • £200
    Jan
  • £222
    Feb
  • £277
    Mar
  • £152
    Apr
  • £198
    May
  • £197
    Jun
  • £190
    Jul
  • £225
    Aug
  • £277
    Sep
  • £264
    Oct

What is the cheapest day of the week to fly from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport?

The data is based on the past 12 months and shows the average ticket prices from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport is Saturday, with average prices usually lower than other days. Avoid departing on Sunday as prices are typically highest on that day.

£226
£186
£145
£105
    Cheapest
  • £219
    Mon
  • £210
    Tue
  • £225
    Wed
  • £185
    Thu
  • £202
    Fri
  • £145
    Sat
  • £226
    Sun

What is the flight schedule from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport?

Check the schedule for flights from Detroit to Seattle and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL565

    Detroit Metropolitan Wayne County Airport

    19:55

    DTW

    5h 10m

    22:05

    SEA

    S M T W T F S
    Search

  2. AS313

    Detroit Metropolitan Wayne County Airport

    17:45

    DTW

    5h 3m

    19:48

    SEA

    S M T W T F S
    Search

  3. DL734

    Detroit Metropolitan Wayne County Airport

    08:25

    DTW

    5h 17m

    10:42

    SEA

    S M T W T F S
    Search

  4. DL765

    Detroit Metropolitan Wayne County Airport

    17:45

    DTW

    4h 6m

    Direct

    19:51

    SLC

    S M T W T F S
    Search

  5. DL2998

    Salt Lake City International Airport

    22:45

    SLC

    2h 26m

    Direct

    00:11

    SEA

    S M T W T F S

  6. AA1310

    Detroit Metropolitan Wayne County Airport

    07:30

    DTW

    4h 48m

    Direct

    10:18

    PHX

    S M T W T F S
    Search

  7. AA2073

    Phoenix Sky Harbor International Airport

    11:30

    PHX

    3h 21m

    Direct

    13:51

    SEA

    S M T W T F S

  8. F92801

    Detroit Metropolitan Wayne County Airport

    07:15

    DTW

    4h 44m

    Direct

    08:59

    LAS

    S M T W T F S
    Search

  9. F92407

    Harry Reid International Airport

    08:00

    LAS

    2h 53m

    Direct

    10:53

    SEA

    S - - W T - S
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FAQs for Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport Flights

  • How long is the flight from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport?

    Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport takes about 4 hours 20 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 5 daily flights from Detroit Metropolitan Wayne County Airport (DTW) to Seattle-Tacoma International Airport (SEA).
  • The earliest flight from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport departs at 08:25, and the last departs at 20:08, with about 5 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Detroit Metropolitan Wayne County Airport (DTW) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around £329 in November, the most expensive month to book this route.
    • The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.
  • Delta Air Lines is a very popular airline operating an average of 1815 flights per month.
  • One-way flights from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport currently start from £81, and round-trip fares start from £165. The current lowest fare is a Frontier Airlines flight departing on Mon, Jan 11; prices may vary depending on availability.
  • Yes. Delta Air Lines and Alaska Airlines operate direct flights from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport, with an average flight time of 4 hours 11 minutes, and around 36 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport is £222. Prices may vary depending on the departure date, airline, and availability.
  • WestJet are the most popular budget airlines flying from Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport, with one-way fares starting from £81. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Detroit Metropolitan Wayne County Airport to Seattle-Tacoma International Airport operates around 35 weekly flights, mainly by Delta Air Lines and Alaska Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Detroit Metropolitan Wayne County Airport and Seattle-Tacoma International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed on this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within the last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.