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Cheap flights from Boston to Lisbon from C$ 464

BOS — LIS
29 Sep — 6 Oct1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Boston Logan Intl to Lisbon Humberto Delgado are usually found in February or November, booked 15 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Boston to Lisbon

Enter your travel dates to find the best prices.

Cheapest flights from Boston to Lisbon

Tue 3/115:35 p.m. -
1 stop17h 30m
Sat 7/114:55 p.m. -
1 stop27h 50m
Deal found 28/8C$ 955
Sun 18/103:35 p.m. -
1 stop12h 45m
Fri 20/1111:20 a.m. -
2 stops31h 11m
Deal found 27/8C$ 963
Thu 5/1112:00 p.m. -
1 stop15h 10m
Tue 10/1112:50 p.m. -
2 stops30h 09m
Deal found 27/8C$ 965
Mon 19/108:25 p.m. -
1 stop30h 55m
Sun 15/1110:40 a.m. -
1 stop33h 13m
Deal found 28/8C$ 966
Thu 17/910:55 p.m. -
1 stop16h 40m
Tue 22/99:15 p.m. -
1 stop28h 50m
Deal found 28/8C$ 968
Sat 17/108:25 p.m. -
2 stops31h 55m
Fri 20/1111:20 a.m. -
2 stops30h 06m
Deal found 27/8C$ 969
Tue 20/1011:25 p.m. -
Nonstop6h 20m
Thu 19/1111:15 a.m. -
Nonstop7h 44m
Deal found 28/8C$ 972
Sun 18/108:25 p.m. -
1 stop30h 55m
Wed 18/1111:20 a.m. -
1 stop31h 58m
Deal found 28/8C$ 973
Wed 9/121:37 p.m. -
1 stop13h 23m
Wed 16/1211:15 a.m. -
Nonstop7h 44m
Deal found 28/8C$ 975
Sat 24/106:00 a.m. -
1 stop22h 10m
Mon 2/1110:15 a.m. -
1 stop26h 28m
Deal found 30/8C$ 976
Thu 12/119:10 a.m. -
1 stop17h 50m
Wed 18/1111:15 a.m. -
Nonstop7h 44m
Deal found 27/8C$ 977

Find flight deals from Boston to Lisbon

Round-trip from

C$ 955

One-way from

C$ 464

Popular in

June

Cheapest in

February

Average price

C$ 1,235

Good round-trip deal

C$ 988 or less

Good one-way deal

C$ 466 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 3/11-12/11
  • 2 total stops
  • 45h 20m total
  • Boston to Lisbon
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JetBlue
  • JetBlue
  • 23/11
  • 1 total stop
  • 14h 45m total
  • Boston to Lisbon
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Highest demand for flights based on searches. 18% potential increase in price (C$ 380 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 45 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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Price to beat on a round-trip flight from Boston Logan Intl to Lisbon Humberto Delgado.
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Price to beat on a one-way flight from Boston Logan Intl to Lisbon Humberto Delgado.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Boston to Lisbon that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Wed 17/2

6:00 a.m.-8:10 a.m.

1 stop21h 10m

Lisbon Humberto Delgado

Thu 25/2

8:55 a.m.-9:58 a.m.

1 stop30h 03m

C$ 973

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Sun 13/12

9:30 p.m.-8:55 a.m.

Nonstop6h 25m

Lisbon Humberto Delgado

Tue 22/12

11:15 a.m.-1:59 p.m.

Nonstop7h 44m

C$ 994
Quickest round-trip

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Sun 21/2

9:35 p.m.-8:55 a.m.

Nonstop6h 20m

Lisbon Humberto Delgado

Wed 3/3

11:15 a.m.-2:00 p.m.

Nonstop7h 45m

C$ 1,001

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Thu 22/10

1:35 p.m.-8:00 a.m.

1 stop13h 25m

Lisbon Humberto Delgado

Wed 4/11

11:15 a.m.-1:59 p.m.

Nonstop7h 44m

C$ 1,001

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Tue 29/9

6:50 p.m.-9:20 a.m.

1 stop9h 30m

Lisbon Humberto Delgado

Fri 6/11

11:20 a.m.-12:26 p.m.

2 stops30h 06m

C$ 1,005

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Wed 14/10

10:40 a.m.-9:20 a.m.

1 stop17h 40m

Lisbon Humberto Delgado

Mon 19/10

6:15 a.m.-5:40 p.m.

1 stop16h 25m

C$ 1,026

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Tue 13/10

7:05 p.m.-11:15 a.m.

1 stop11h 10m

Lisbon Humberto Delgado

Mon 19/10

12:45 p.m.-3:28 p.m.

Nonstop7h 43m

C$ 1,041

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Sat 17/10

6:00 a.m.-11:05 a.m.

1 stop24h 05m

Lisbon Humberto Delgado

Mon 26/10

11:55 a.m.-10:51 a.m.

2 stops26h 56m

C$ 1,045

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Sat 10/10

8:25 p.m.-9:20 a.m.

2 stops31h 55m

Lisbon Humberto Delgado

Fri 23/10

10:25 a.m.-4:46 p.m.

1 stop11h 21m

C$ 1,089

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Fri 25/12

9:30 p.m.-10:30 p.m.

1 stop20h 00m

Lisbon Humberto Delgado

Wed 30/12

3:50 p.m.-2:20 p.m.

1 stop27h 30m

C$ 1,104

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/8

Showing 1-10 of 20 resultsSorted by cheapest first
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Best time to book a flight from Boston to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Boston with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Boston to Lisbon

How far ahead should I book a flight from Boston to Lisbon?

The price you pay for your flight from Boston to Lisbon may vary depending on when you book. For the best chance of a lower fare, look to book 14 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Boston to Lisbon?

Currently, February is the cheapest month in which you can book a flight from Boston to Lisbon (average of C$ 906). Flying from Boston to Lisbon in June is currently the most expensive (average of C$ 1,521). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to LIS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to Lisbon as you normally would.

How much does it cost to fly round-trip from Boston to Lisbon?

Airfare is below average for this route at the moment.

Boston to Lisbon flights typically cost between C$ 1,072 and C$ 1,513 in November.
The cheapest round-trip price found within the last 5 days was C$ 955 on Scandinavian Airlines (3 Nov-12 Nov).

Related info for your journey

  • How popular is this Boston to Lisbon flight route?

    The Boston Logan Intl to Lisbon Humberto Delgado flight path was viewed by 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Boston to Lisbon?

    For as low as C$ 1,001, United Airlines can have you in Lisbon from Boston in 6h 20m. The distance from Boston to Lisbon is about 5121 km. This flight may include one or multiple stops.

  • What are the most reliable airlines from Boston to Lisbon?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Lisbon on time: Emirates (73%), JetBlue (71%), TAP AIR PORTUGAL (71%).

  • What are the cheapest flights from Boston to Lisbon?

    While on average a flight from Boston to Lisbon is generally C$ 891, our data shows the cheapest flight currently is C$ 466. When looking at the most popular route, (Boston Logan Intl - Lisbon Humberto Delgado), you can expect to pay C$ 1,045 for that flight.

  • Can I find deals for flights from Boston to Lisbon that include hotel bookings?

    Yes. In addition to deals on Boston to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Lisbon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Lisbon.

  • Can I find deals for business class flights from Boston to Lisbon?

    Yes. Cheapflights offers flight deals from Boston to Lisbon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Lisbon?

    Currently, February is the cheapest month in which you can book a flight from Boston to Lisbon (average of C$ 906). Flying from Boston to Lisbon in June is currently the most expensive (average of C$ 1,521). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Lisbon?

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Fátima
Sintra
Óbidos
Estoril
Costa da Caparica
Setúbal

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