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Flights from Boston to Lisbon

Find the cheapest direct flight options from Boston to Lisbon over the next three months. Book one-way tickets from CAD 453 and round-trip tickets from CAD 687.

      • Cheapest nonstop
        BOS 18:05
        6h 30m
        Direct
        LIS 05:35
        Boston - Lisbon | Sat, Feb 7 | TAP Air Portugal
        LIS 17:15
        7h 55m
        Direct
        BOS 20:10
        Lisbon - Boston | Sat, Feb 14 | TAP Air Portugal
        CAD 687 CAD 772
        11% OFF
        11% OFF
        CAD 772 CAD 687
      • BOS 18:05
        6h 30m
        Direct
        LIS 05:35
        Boston - Lisbon | Wed, Jan 21 | TAP Air Portugal
        LIS 11:40
        7h 55m
        Direct
        BOS 14:35
        Lisbon - Boston | Wed, Jan 28 | TAP Air Portugal
        CAD 687 CAD 772
        11% OFF
        11% OFF
        CAD 772 CAD 687
      • BOS 19:50
        19h 30m
        1 stop
        LIS 20:20
        Boston - Lisbon | Wed, Jan 28 | Icelandair
        LIS 21:20
        25h 30m
        1 stop
        BOS 17:50
        Lisbon - Boston | Sun, Feb 1 | Icelandair
        CAD 533 CAD 772
        31% OFF
        31% OFF
        CAD 772 CAD 533
      • BOS 19:50
        19h 30m
        1 stop
        LIS 20:20
        Boston - Lisbon | Wed, Dec 10 | Icelandair
        LIS 21:20
        25h 30m
        1 stop
        BOS 17:50
        Lisbon - Boston | Sun, Dec 14 | Icelandair
        CAD 593
        23% OFF
        CAD 772 CAD 593
      • BOS 05:30
        22h 50m
        1 stop
        LIS 09:20
        Boston - Lisbon | Thu, Jan 15 | United Airlines
        LIS 11:20
        27h 12m
        1 stop
        BOS 09:32
        Lisbon - Boston | Tue, Jan 20 | United Airlines
        CAD 645
        17% OFF
        CAD 772 CAD 645
      • BOS 15:40
        12h 40m
        1 stop
        LIS 09:20
        Boston - Lisbon | Thu, Jan 15 | Air Canada
        LIS 11:20
        27h 12m
        1 stop
        BOS 09:32
        Lisbon - Boston | Tue, Jan 20 | Air Canada
        CAD 649
        16% OFF
        CAD 772 CAD 649
      • BOS 05:30
        22h 50m
        1 stop
        LIS 09:20
        Boston - Lisbon | Thu, Jan 15 | Lufthansa
        LIS 11:20
        27h 12m
        1 stop
        BOS 09:32
        Lisbon - Boston | Tue, Jan 20 | Lufthansa
        CAD 651
        16% OFF
        CAD 772 CAD 651
      • BOS 10:03
        16h 57m
        1 stop
        LIS 08:00
        Boston - Lisbon | Thu, Jan 22 | Delta Air Lines
        LIS 10:00
        13h 30m
        1 stop
        BOS 18:30
        Lisbon - Boston | Tue, Jan 27 | Delta Air Lines
        CAD 667
        14% OFF
        CAD 772 CAD 667
      • BOS 13:00
        14h
        1 stop
        LIS 08:00
        Boston - Lisbon | Fri, Jan 23 | Delta Air Lines
        LIS 10:00
        13h 30m
        1 stop
        BOS 18:30
        Lisbon - Boston | Tue, Jan 27 | Virgin Atlantic
        CAD 677
        12% OFF
        CAD 772 CAD 677
      • BOS 06:00
        21h
        1 stop
        LIS 08:00
        Boston - Lisbon | Fri, Jan 23 | Virgin Atlantic
        LIS 10:00
        13h 30m
        1 stop
        BOS 18:30
        Lisbon - Boston | Tue, Jan 27 | Virgin Atlantic
        CAD 679
        12% OFF
        CAD 772 CAD 679
      • BOS 14:00
        13h
        1 stop
        LIS 08:00
        Boston - Lisbon | Fri, Feb 6 | Virgin Atlantic
        LIS 10:00
        13h 30m
        1 stop
        BOS 18:30
        Lisbon - Boston | Mon, Feb 9 | Virgin Atlantic
        CAD 684
        11% OFF
        CAD 772 CAD 684
      • BOS 14:00
        13h
        1 stop
        LIS 08:00
        Boston - Lisbon | Thu, Jan 22 | Virgin Atlantic
        LIS 10:00
        13h 30m
        1 stop
        BOS 18:30
        Lisbon - Boston | Tue, Jan 27 | Virgin Atlantic
        CAD 685
        11% OFF
        CAD 772 CAD 685
      • BOS 13:00
        17h 25m
        1 stop
        LIS Invalid Date
        Boston - Lisbon | Fri, Dec 12 | Normal Airline
        LIS 15:00
        6h
        Direct
        BOS 16:00
        Lisbon - Boston | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights
      • Cheapest nonstop
        BOS 18:05
        6h 30m
        Direct
        LIS 05:35
        Boston - Lisbon | Wed, Jan 28 | TAP Air Portugal
        CAD 453 CAD 510
        11% OFF
        11% OFF
        CAD 510 CAD 453
      • BOS 22:45
        6h 30m
        Direct
        LIS 10:15
        Boston - Lisbon | Sun, Feb 1 | TAP Air Portugal
        CAD 454 CAD 510
        11% OFF
        11% OFF
        CAD 510 CAD 454
      • BOS 20:00
        21h 35m
        1 stop
        LIS 22:35
        Boston - Lisbon | Mon, Jan 19 | Virgin Atlantic
        CAD 362 CAD 510
        28% OFF
        28% OFF
        CAD 510 CAD 362
      • BOS 19:12
        22h 23m
        1 stop
        LIS 22:35
        Boston - Lisbon | Mon, Jan 19 | Jetblue Airways
        CAD 366
        28% OFF
        CAD 510 CAD 366
      • BOS 19:10
        22h 30m
        1 stop
        LIS 22:40
        Boston - Lisbon | Sun, Jan 11 | Jetblue Airways
        CAD 367
        28% OFF
        CAD 510 CAD 367
      • BOS 07:30
        20h 15m
        1 stop
        LIS 08:45
        Boston - Lisbon | Mon, Jan 19 | British Airways
        CAD 367
        28% OFF
        CAD 510 CAD 367
      • BOS 20:00
        18h 20m
        1 stop
        LIS 19:20
        Boston - Lisbon | Sat, Jan 24 | Virgin Atlantic
        CAD 370
        28% OFF
        CAD 510 CAD 370
      • BOS 20:00
        18h 20m
        1 stop
        LIS 19:20
        Boston - Lisbon | Sat, Jan 17 | Virgin Atlantic
        CAD 371
        27% OFF
        CAD 510 CAD 371
      • BOS 20:00
        15h 50m
        1 stop
        LIS 16:50
        Boston - Lisbon | Thu, Jan 29 | Virgin Atlantic
        CAD 372
        27% OFF
        CAD 510 CAD 372
      • BOS 19:15
        22h 20m
        1 stop
        LIS 22:35
        Boston - Lisbon | Mon, Jan 19 | American Airlines
        CAD 372
        27% OFF
        CAD 510 CAD 372
      • BOS 19:10
        22h 25m
        1 stop
        LIS 22:35
        Boston - Lisbon | Mon, Jan 19 | Delta Air Lines
        CAD 372
        27% OFF
        CAD 510 CAD 372
      • BOS 19:10
        19h 10m
        1 stop
        LIS 19:20
        Boston - Lisbon | Sat, Jan 24 | Jetblue Airways
        CAD 374
        27% OFF
        CAD 510 CAD 374
      • BOS 13:00
        17h 25m
        1 stop
        LIS Invalid Date
        Boston - Lisbon | Fri, Dec 12 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from Boston to Lisbon are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Information for Boston to Lisbon Flights

The distance between Boston and Lisbon is 5,124.07km. It takes around 6 hours 1 minute on average to fly from Boston to Lisbon. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight priceCAD 362
Cheapest return ticket priceCAD 533
Off-season travel monthNovember
Peak season for travelJuly
Flight distance5,124.07km
Average flight time6 hours 1 minute

When is the cheapest time to fly from Boston to Lisbon?

The cheapest time for Boston to Lisbon flights: Feb 22 to Mar 1 — one way flight prices from CAD 327.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Boston to Lisbon, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Boston (BOS) to Lisbon (LIS)?

    Based on Trip.com data, Virgin Atlantic offers one-way fares as low as CAD 362 on Cheapest nonstop routes (e.g. BOS to LIS on Mon, Jan 19), while Icelandair offers Cheapest nonstop round-trips from CAD 533 departing on Wed, Jan 28 and returning on Sun, Feb 1.
  • It takes about 6 hours 1 minute to fly from Boston (BOS) to Lisbon (LIS).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Boston to Lisbon is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Boston to Lisbon, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Jan 19, with one-way flights priced at just CAD 362.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is TAP Air Portugal.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Lisbon travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Boston to Lisbon is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Boston to Lisbon on December 13, 2025 with Icelandair, with prices starting at CAD 527.
  • The time difference between Lisbon and Boston is 5h.
  • Tickets can only be changed or cancelled if permitted by airline policy. 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. However, 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.