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Seattle-Tacoma International Airport to San Diego International Airport flight

Explore the cheapest one-way and round-trip flights from Seattle-Tacoma International Airport to San Diego International Airport over the next 90 days, with one-way fares from €62 and round-trip from €76. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SEA 21:08
        2h 51m
        Direct
        SAN 23:59
        Seattle - San Diego | Sat, Oct 24 | Alaska Airlines
        SAN 20:28
        3h 9m
        Direct
        SEA 23:37
        San Diego - Seattle | Fri, Oct 30 | Alaska Airlines
        €76 €360
        79% off
        79% off
        €360 €76
      • SEA 20:07
        2h 51m
        Direct
        SAN 22:58
        Seattle - San Diego | Fri, Oct 30 | Alaska Airlines
        SAN 20:28
        3h 9m
        Direct
        SEA 23:37
        San Diego - Seattle | Tue, Nov 3 | Alaska Airlines
        €78 €360
        78% off
        78% off
        €360 €78
      • SEA 21:08
        2h 51m
        Direct
        SAN 23:59
        Seattle - San Diego | Fri, Oct 23 | Alaska Airlines
        SAN 09:20
        3h 8m
        Direct
        SEA 12:28
        San Diego - Seattle | Sun, Oct 25 | Alaska Airlines
        €79 €360
        78% off
        78% off
        €360 €79
      • SEA 07:15
        2h 54m
        Direct
        SAN 10:09
        Seattle - San Diego | Sat, Oct 10 | Delta Air Lines
        SAN 15:59
        3h 6m
        Direct
        SEA 19:05
        San Diego - Seattle | Sat, Oct 17 | Delta Air Lines
        €79
        78% off
        €360 €79
      • SEA 09:45
        2h 57m
        Direct
        SAN 12:42
        Seattle - San Diego | Tue, Oct 13 | Delta Air Lines
        SAN 07:45
        3h 13m
        Direct
        SEA 10:58
        San Diego - Seattle | Mon, Oct 19 | Delta Air Lines
        €79
        78% off
        €360 €79
      • SEA 07:15
        2h 52m
        Direct
        SAN 10:07
        Seattle - San Diego | Sat, Nov 14 | Delta Air Lines
        SAN 18:47
        3h 13m
        Direct
        SEA 22:00
        San Diego - Seattle | Sat, Nov 21 | Delta Air Lines
        €79
        78% off
        €360 €79
      • SEA 07:04
        3h 2m
        Direct
        SAN 10:06
        Seattle - San Diego | Sun, Nov 8 | Alaska Airlines
        SAN 06:16
        3h 12m
        Direct
        SEA 09:28
        San Diego - Seattle | Fri, Nov 13 | Alaska Airlines
        €79
        78% off
        €360 €79
      • SEA 11:31
        3h 7m
        Direct
        SAN 14:38
        Seattle - San Diego | Sun, Nov 1 | Alaska Airlines
        SAN 06:15
        3h 13m
        Direct
        SEA 09:28
        San Diego - Seattle | Sun, Nov 8 | Alaska Airlines
        €79
        78% off
        €360 €79
      • SEA 07:15
        2h 52m
        Direct
        SAN 10:07
        Seattle - San Diego | Thu, Oct 22 | Delta Air Lines
        SAN 13:53
        3h 7m
        Direct
        SEA 17:00
        San Diego - Seattle | Sun, Oct 25 | Delta Air Lines
        €79
        78% off
        €360 €79
      • SEA 07:15
        2h 52m
        Direct
        SAN 10:07
        Seattle - San Diego | Mon, Oct 26 | Delta Air Lines
        SAN 11:02
        3h 16m
        Direct
        SEA 14:18
        San Diego - Seattle | Sun, Nov 1 | Delta Air Lines
        €79
        78% off
        €360 €79
      • SEA 07:15
        2h 54m
        Direct
        SAN 10:09
        Seattle - San Diego | Sun, Oct 11 | Delta Air Lines
        SAN 15:59
        3h 3m
        Direct
        SEA 19:02
        San Diego - Seattle | Sun, Oct 18 | Delta Air Lines
        €280
        22% off
        €360 €280
      • SEA 07:04
        3h 2m
        Direct
        SAN 10:06
        Seattle - San Diego | Sun, Oct 11 | Alaska Airlines
        SAN 06:15
        3h 13m
        Direct
        SEA 09:28
        San Diego - Seattle | Sun, Oct 18 | Alaska Airlines
        €288
        20% off
        €360 €288
      • SEA 13:00
        17h 25m
        1 stop
        SAN 14:00
        Seattle - San Diego | Thu, Sep 24 | Normal Airline
        SAN 15:00
        6h
        Direct
        SEA 16:00
        San Diego - Seattle | Sat, Sep 26 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        SEA 14:59
        2h 53m
        Direct
        SAN 17:52
        Seattle - San Diego | Sun, Nov 8 | Alaska Airlines
        €65 €82
        21% off
        21% off
        €82 €65
      • SEA 19:46
        2h 49m
        Direct
        SAN 22:35
        Seattle - San Diego | Thu, Nov 12 | Alaska Airlines
        €65 €82
        21% off
        21% off
        €82 €65
      • SEA 21:08
        2h 51m
        Direct
        SAN 23:59
        Seattle - San Diego | Fri, Nov 6 | Alaska Airlines
        €65 €82
        21% off
        21% off
        €82 €65
      • SEA 19:46
        2h 49m
        Direct
        SAN 22:35
        Seattle - San Diego | Wed, Nov 11 | Alaska Airlines
        €65
        21% off
        €82 €65
      • SEA 19:46
        2h 49m
        Direct
        SAN 22:35
        Seattle - San Diego | Sun, Nov 15 | Alaska Airlines
        €65
        21% off
        €82 €65
      • SEA 20:48
        2h 49m
        Direct
        SAN 23:37
        Seattle - San Diego | Mon, Nov 16 | Alaska Airlines
        €65
        21% off
        €82 €65
      • SEA 20:48
        2h 49m
        Direct
        SAN 23:37
        Seattle - San Diego | Sat, Nov 14 | Alaska Airlines
        €65
        21% off
        €82 €65
      • SEA 16:27
        7h 30m
        1 stop
        SAN 23:57
        Seattle - San Diego | Sun, Nov 15 | Frontier Airlines
        €62
        24% off
        €82 €62
      • SEA 16:27
        7h 30m
        1 stop
        SAN 23:57
        Seattle - San Diego | Sun, Nov 8 | Frontier Airlines
        €63
        23% off
        €82 €63
      • SEA 16:27
        7h 29m
        1 stop
        SAN 23:56
        Seattle - San Diego | Thu, Oct 29 | Frontier Airlines
        €63
        23% off
        €82 €63
      • SEA 13:00
        17h 25m
        1 stop
        SAN 14:00
        Seattle - San Diego | Thu, Sep 24 | Normal Airline
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Flight fares from Seattle-Tacoma International Airport to San Diego International Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

Trip.com Price Insights: Flights from Seattle-Tacoma International Airport to San Diego International Airport

What is the cheapest month to fly from Seattle-Tacoma International Airport to San Diego International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Seattle-Tacoma International Airport to San Diego 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 Seattle-Tacoma International Airport to San Diego International Airport are usually in December, with an average price of €143. It is best to avoid February, when the average price can reach €275.

€275
€209
€143
€77
    Cheapest
  • €207
    Sep
  • €193
    Oct
  • €213
    Nov
  • €143
    Dec
  • €203
    Jan
  • €275
    Feb
  • €171
    Mar
  • €181
    Apr
  • €166
    May
  • €211
    Jun
  • €223
    Jul
  • €218
    Aug

What is the cheapest month to fly return from Seattle-Tacoma International Airport to San Diego International Airport?

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

Based on Trip.com's data from the past 12 months, September is often the month to find the lowest fares from Seattle-Tacoma International Airport to San Diego International Airport, with an average price of €158. November is usually the most expensive month, with an average price reaching €463.

€463
€311
€158
€6
  • €158
    Sep
  • €217
    Oct
  • €463
    Nov
  • €360
    Dec
  • €259
    Jan
  • €213
    Feb
  • €343
    Mar
  • €361
    Apr
  • €333
    May
  • €277
    Jun
  • €341
    Jul
  • €164
    Aug

What is the cheapest day of the week to fly from Seattle-Tacoma International Airport to San Diego International Airport?

The data is based on the past 12 months and shows the average ticket prices from Seattle-Tacoma International Airport to San Diego 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 Seattle-Tacoma International Airport to San Diego International Airport is Tuesday, with average prices usually lower than other days. Avoid departing on Sunday as prices are typically highest on that day.

€246
€208
€169
€131
  • €200
    Mon
  • €169
    Tue
  • €170
    Wed
  • €202
    Thu
  • €176
    Fri
  • €181
    Sat
  • €246
    Sun

Which airline offers the cheapest flights from Seattle-Tacoma International Airport to San Diego International Airport?

The cheapest airline flying from Seattle-Tacoma International Airport to San Diego International Airport is Frontier Airlines (from €62) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From €62
Alaska Airlines
From €65
Delta Air Lines
From €68
American Airlines
From €70
United Airlines
From €90
Hahn Air
From €122

Find more flights and airlines

What is the flight schedule from Seattle-Tacoma International Airport to San Diego International Airport?

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS623

    Seattle-Tacoma International Airport

    19:59

    SEA

    2h 51m

    22:50

    SAN

    - - - W T F -
    Search

  2. DL2672

    Seattle-Tacoma International Airport

    19:59

    SEA

    2h 50m

    22:49

    SAN

    S M T W T F S
    Search

  3. DL2508

    Seattle-Tacoma International Airport

    07:15

    SEA

    2h 54m

    10:09

    SAN

    S M T W T F S
    Search

  4. AS765

    Seattle-Tacoma International Airport

    14:18

    SEA

    2h 55m

    17:13

    SAN

    S M T W T F S
    Search

  5. F93406

    Seattle-Tacoma International Airport

    16:27

    SEA

    2h 50m

    Direct

    20:17

    DEN

    S M T W T F S
    Search

  6. F92711

    Denver International Airport

    22:29

    DEN

    2h 29m

    Direct

    23:58

    SAN

    S M T W T F S

  7. F94204

    Seattle-Tacoma International Airport

    21:53

    SEA

    2h 38m

    Direct

    00:31

    LAS

    S - T W T F S
    Search

  8. F91469

    Harry Reid International Airport

    18:00

    LAS

    1h 20m

    Direct

    19:20

    SAN

    S - - W T - S

  9. F93406

    Seattle-Tacoma International Airport

    16:27

    SEA

    2h 50m

    Direct

    20:17

    DEN

    S M T W T F S
    Search

  10. F92817

    Denver International Airport

    15:04

    DEN

    2h 30m

    Direct

    16:34

    SAN

    S M T W T F S
Find more flights and airlines

About Seattle-Tacoma International Airport and San Diego International Airport

Learn about Seattle-Tacoma International Airport (SEA) and San Diego International Airport (SAN) — including location, terminals, transportation, and travel tips.

Flight distance1,693.46km
Cheapest one-way ticket price€62
Cheapest return ticket price€76

FAQs for Seattle-Tacoma International Airport to San Diego International Airport Flights

  • How long is the flight from Seattle-Tacoma International Airport to San Diego International Airport?

    Seattle-Tacoma International Airport to San Diego International Airport takes about 2 hours 24 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 11 daily flights from Seattle-Tacoma International Airport (SEA) to San Diego International Airport (SAN).
  • The earliest flight from Seattle-Tacoma International Airport to San Diego International Airport departs at 07:15, and the last departs at 20:49, with about 16 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Seattle-Tacoma International Airport (SEA) to San Diego International Airport (SAN) is quite popular. Without considering departure times or holidays, tickets cost around €288 in September, the most expensive month to book this route.
    • The distance from San Diego International Airport to downtown is about 3km, by taxi about 20 minutes.
    • The distance from McClellan-Palomar Airport to downtown is about 47km, by taxi about 1 hour.
  • Delta Air Lines is a very popular airline operating an average of 2627 flights per month.
  • One-way flights from Seattle-Tacoma International Airport to San Diego International Airport currently start from €62, and round-trip fares start from €76. The current lowest fare is a Frontier Airlines flight departing on Sun, Nov 15; prices may vary depending on availability.
  • Yes. Alaska Airlines and Delta Air Lines operate direct flights from Seattle-Tacoma International Airport to San Diego International Airport, with an average flight time of 2 hours 21 minutes, and around 101 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 Seattle-Tacoma International Airport to San Diego International Airport is €147. Prices may vary depending on the departure date, airline, and availability.
  • WestJet and Condor are the most popular budget airlines flying from Seattle-Tacoma International Airport to San Diego International Airport, with one-way fares starting from €62. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Seattle-Tacoma International Airport to San Diego International Airport operates around 71 weekly flights, mainly by Alaska Airlines and Delta Air Lines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Seattle-Tacoma International Airport and San Diego 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.

Find Cheap Flights with Trip.com

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.