BOS - LIS

C$ 473 Find Cheap Flights from Boston to Lisbon – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 951
Typical prices: C$ 974-C$ 1,506
LEVEL
Mon 24/9Thu 27/9
BOS - LIS • 1 stop
Cheapest direct flights
C$ 967
Typical prices: C$ 1,021-C$ 1,525
KLM
Sun 18/11Sun 2/12
BOS - LIS • Direct
Direct flights
You can fly direct with TAP AIR PORTUGAL and Delta. Average duration is 6h 30m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 86% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 14 weeks in advance save around 26% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 28% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 456 (round-trip)
Shortest trip • 10h 40m (one-way)
Insights
Insights
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We hope you enjoy your trip to Lisbon!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Boston to Lisbon (BOS-LIS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Lisbon

Thu, 24 Sep - Sun, 27 Sep
LEVEL Logo
10:55 p.m. - 9:30 p.m.BOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
17h 35m1 stop Barcelona-El Prat
LEVEL Logo
9:10 a.m. - 9:45 p.m.LIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
17h 35m1 stop Barcelona-El Prat
C$ 951LEVEL
Wed, 14 Oct - Wed, 21 Oct
LEVEL Logo
10:55 p.m. - 6:25 p.m.BOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
14h 30m1 stop Barcelona-El Prat
LEVEL Logo
7:10 p.m. - 9:05 p.m.LIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
30h 55m1 stop Barcelona-El Prat
C$ 956LEVEL
Fri, 1 Jan - Fri, 8 Jan
Aer Lingus Logo
5:15 p.m. - 10:10 a.m.BOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
11h 55m1 stop Dublin
Aer Lingus Logo
10:50 a.m. - 7:15 p.m.LIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
13h 25m1 stop Dublin
C$ 957Aer Lingus
Thu, 14 Jan - Mon, 25 Jan
Multiple Airlines Logo
9:10 p.m. - 2:05 p.m.BOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
11h 55m1 stop Dublin
Multiple Airlines Logo
7:30 a.m. - 7:15 p.m.LIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
16h 45m1 stop Dublin
C$ 958Multiple Airlines
Tue, 3 Nov - Fri, 20 Nov
United Airlines Logo
6:35 p.m. - 6:55 a.m.BOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
31h 20m1 stop Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
11:20 a.m. - 12:26 p.m.LIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
30h 06m2 stops Montreal Pierre Elliott Trudeau Intl Newark
C$ 961United Airlines
Thu, 5 Nov - Tue, 17 Nov
United Airlines Logo
2:40 p.m. - 10:20 a.m.BOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
14h 40m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
12:50 p.m. - 1:31 p.m.LIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
29h 41m2 stops Montreal Pierre Elliott Trudeau Intl Newark
C$ 963United Airlines
Sat, 17 Oct - Tue, 17 Nov
United Airlines Logo
8:25 p.m. - 8:20 a.m.BOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
30h 55m1 stop Newark
United Airlines Logo
12:50 p.m. - 2:53 p.m.LIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
31h 03m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 964United Airlines
Wed, 13 Jan - Sat, 23 Jan
Multiple Airlines Logo
6:35 p.m. - 2:55 p.m.BOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
15h 20m1 stop London Heathrow
Multiple Airlines Logo
8:20 a.m. - 6:25 p.m.LIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
15h 05m1 stop Madrid Barajas
C$ 965Multiple Airlines
Thu, 22 Oct - Tue, 17 Nov
United Airlines Logo
9:51 a.m. - 9:20 a.m.BOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
18h 29m2 stops Newark Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
12:50 p.m. - 12:26 p.m.LIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
28h 36m2 stops Montreal Pierre Elliott Trudeau Intl Newark
C$ 967United Airlines
Sun, 13 Dec - Tue, 22 Dec
United Airlines Logo
9:30 a.m. - 8:10 a.m.BOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
17h 40m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
12:50 p.m. - 3:50 p.m.LIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
32h 00m2 stops Montreal Pierre Elliott Trudeau Intl Newark
C$ 968United Airlines
Booking Insights

Price, demand, and travel trends for Boston to Lisbon flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Boston to Lisbon with more confidence.

How much is a round-trip flight from Boston to Lisbon?

Round-trip flights from Boston to Lisbon start at C$ 951. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 974 to C$ 1,506. The lowest price found in the past 5 days was C$ 951 on LEVEL.

What's the cheapest day of the week to fly from Boston to Lisbon?

Tuesday is the cheapest day of the week to fly from Boston to Lisbon and is 7% cheaper than the average day. Saturday is the most expensive day with flight prices 13% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Boston to Lisbon?

  • February is the cheapest month to fly from Boston to Lisbon at C$ 885 round-trip.
  • June (C$ 1,522) and July (C$ 1,487) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 71% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Boston to Lisbon the cheapest?

Flights from Boston to Lisbon are cheapest 14 weeks before departure. Booking in this window typically costs about 26% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Boston to Lisbon

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Duncan Madden

Duncan Madden

Expert on LIS

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Blane Bachelor

Blane Bachelor

Expert on BOS

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Key details for Boston to Lisbon flights

Low season

February

Cheapest flight

C$ 473
Best time to beat the crowds (28% less expensive on average)
Flights from Boston to Lisbon

When to book flights from Boston to Lisbon

Are your dates flexible? Find out the best times to travel from Boston to Lisbon based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boston to Lisbon flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Can I fly from Logan Airport to Lisbon Airport nonstop?

    Depending on the airline, you can either have one or two layovers at either Charles de Gaulle (CDG), Schiphol Airport (AMS), Newark (EWR), John F. Kennedy (JFK), Madrid-Barajas (MAD), Heathrow (LHR), Dulles (IAD) or Frankfurt (FRA).

  • Are there facilities and amenities for those with disabilities at Logan Airport?

    BOS has elevators that come equipped with braille and call buttons at each terminal and garage. Wheelchair Accessible toilets and ramps are in place for those on wheelchairs. There are airline teams ready to assist those with special needs and disabilities upon request.

  • Are rental cars available at Lisbon Airport?

    You will find multiple car rental companies at Lisbon Airport, including popular options like Budget, National, and Alamo. You will find the car rental desks at the arrivals area of Terminal 1, from where you can acquire your vehicle of choice from the many options available.

  • Can I leave my vehicle at Logan Airport?

    Whether you are flying out of Boston for a few days, a week, or a month, you can leave your car at the secure airport parking lots. The Economy lot charges approximately $52 per day, while the Central parking garage charges around $70 per day.

  • Which airlines offer extra legroom and free seat selection on Boston to Lisbon flights?

    Among airlines operating Boston to Lisbon flights:

    • TAP AIR PORTUGAL: offers extra legroom; offers free seat selection
    • Delta: offers extra legroom; offers free seat selection
    • Virgin Atlantic: offers extra legroom; offers free seat selection
    • Air France: offers free seat selection
    • KLM: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines are available on the route from Boston to Lisbon?

    2 airlines operate flights between Boston and Lisbon. The airlines offering direct flights on this route include:

    • TAP AIR PORTUGAL
    • Delta

  • Which airports can I use when flying from Boston to Lisbon?

    Flights from Boston to Lisbon usually depart from Boston Logan Intl (BOS) and arrive at Lisbon Humberto Delgado (LIS).

  • Which airlines include bags at no extra cost on Boston to Lisbon flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • TAP AIR PORTUGAL: a carry-on bag and a checked bag in Economy Class
    • Delta: a carry-on bag and a checked bag in Economy Class
    • Virgin Atlantic: a carry-on bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

  • Which cabin classes can I book on flights from Boston to Lisbon?

    Two cabin classes are available on flights from Boston to Lisbon:

    • Economy Class
    • Business Class

  • How much can I save by taking a layover when flying from Boston to Lisbon?

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 456 round-trip via New York John F Kennedy Intl (JFK), compared to C$ 1,272 for direct.

  • What is the standard checked bag allowance on flights from Boston to Lisbon?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 77–C$ 139 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Boston to Lisbon?

    The Airbus A330-900neo family is used most often on this route, operated mainly by Virgin Atlantic and KLM. Other aircraft seen on the route include Airbus A321neo variants.

  • Which airports do connecting flights from Boston to Lisbon pass through?

    One-stop flights from Boston to Lisbon most commonly connect through:

    • Barcelona-El Prat (BCN) – 16% of one-stop connections
    • Philadelphia (PHL) – 15% of one-stop connections
    • Dublin (DUB) – 15% of one-stop connections
    • Ponta Delgada Nordela (PDL) – 14% of one-stop connections

    Barcelona-El Prat (BCN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Boston to Lisbon?

    Yes. Being flexible with your travel dates can save you up to 18% on the Boston to Lisbon route. Tuesday is the cheapest departure day at C$ 1,151 round-trip on average, while Saturday is the most expensive at C$ 1,404, a difference of C$ 252. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed on the route from Boston to Lisbon?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Boston to Lisbon route, 15% of flights were delayed in the past 3 months, with delays averaging 2 hours 17 minutes.

  • How are flight departures from Boston to Lisbon spread across the day?

    Night is the busiest departure period on Boston to Lisbon flights, with 66% leaving in that window. Evening departures account for 33%, Morning flights for 1%, and Afternoon flights for 0%.

  • Which popular places can I visit in Lisbon?

    Some of the most popular sights in Lisbon are Chiado, Lisbon City Hall, and Lisbon Oriente Station. These are among the most viewed places in Lisbon on KAYAK.

  • What are the earliest and latest flights from Boston to Lisbon?

    These are the earliest and latest flight times available from Boston to Lisbon:

    • Earliest: departs at 6:00 pm and lands at 12:30 am
    • Latest: departs at 11:25 pm and lands at 5:55 am.

    The flight takes about 6h 30m.

  • How expensive are last-minute Boston to Lisbon flights?

    Last-minute fares on this route – booked within 2 weeks of departure – run 20% above the route average of C$ 1,232. Book 14 weeks before departure for the lowest fares.

  • How long does a flight from Boston to Lisbon take?

    A direct flight from Boston to Lisbon takes 6h 30m, covering 8,241 km.

  • Do I need a passport to fly from Boston to Lisbon?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Boston to Lisbon looking right now?

    One-way fares from Boston to Lisbon are currently lower than usual. Average one-way flight prices are about C$ 500, which is 22% below the typical average for this route.

  • How do delay rates compare for morning and evening flights from Boston to Lisbon?

    Evening flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different layover airport when travelling from Boston to Lisbon?

    Flying via Ponta Delgada Nordela (PDL) gives the shortest average 1-stop total travel time at 10h 40m, compared with 10h 46m via Newark (EWR) and 10h 48m via Philadelphia (PHL).

  • What is the time difference between Boston and Lisbon?

    Lisbon is 5 hours ahead of Boston (Western European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Lisbon Humberto Delgado Airport (LIS)?

    Lisbon Humberto Delgado Airport (LIS) hosts 5 major car rental companies, with daily rates starting from around C$ 2 for economy cars. Top options include:
    • Klass Wagen
    • Goldcar Rental SP
    • Drive on Holiday
    • GREEN MOTION
    • Guerin

  • How much should I expect to pay for a Boston to Lisbon flight?

    Round-trip flights from Boston to Lisbon range from C$ 974 to C$ 1,506, with an average of C$ 1,232 over the past 12 months. Anything below C$ 974 counts as a good deal.

  • Which airlines offer Wi-Fi on Boston to Lisbon flights?

    Four airlines offer in-flight Wi-Fi on Boston to Lisbon flights:

    • • Delta
    • • Virgin Atlantic
    • • Air France
    • • KLM

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Boston to Lisbon flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure instead of Saturday. On this route, Tuesday flights average C$ 1,151 – about C$ 252 less than Saturday (18% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 14 weeks before you fly. On this route, that window historically saves about 26% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boston to Lisbon trip for February. Fares historically average C$ 885 round-trip in that month – typically C$ 637 less than the most expensive month, which is June (based on the last 12 months).
  • If arriving on time is high on your priority list, TAP AIR PORTUGAL is the strongest pick on this route. 86% of TAP AIR PORTUGAL flights from Boston to Lisbon arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 85%. When flights on this route do arrive late, the average delay is 2 hours17 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through New York John F Kennedy Intl Airport (JFK) can be cheaper than flying direct. The cheapest layover option averages C$ 456 round-trip on this route – about C$ 816 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Lisbon Humberto Delgado Airport.
    - B&B Hotel Lisboa Aeroporto
    - Star inn Lisboa
    - Ibis Styles Lisboa Aeroporto
  • Logan Airport (BOS) operates regular flights to Lisbon through multiple airlines. Some of the airlines flying this route include Air France, Delta Air Lines, KLM, Tap Air Portugal, JetBlue, Alitalia, American Airlines, and Lufthansa.
  • In case you do not want to risk missing an early morning flight, you can opt to stay at the Hilton hotels, which you can get to through the sky bridge, which connects Logan Airport’s Terminal A and Terminal E to the hotel. You can also get to the hotel through its free shuttle, which stops at all terminals.
  • Taking a taxi from Lisbon Airport (LIS) is affordable and convenient, especially when you have heavy luggage. Once you land at Lisbon Airport, you will find several taxis right outside the arrivals terminal. Taxis charge around €15 ($17.97) and take approximately 20min to reach Lisbon city.
  • Keep yourself entertained during long waiting times with Logan Airport’s rotating art exhibits and permanent artwork on display all over the vast airport. Some impressive must-see installations include the tall metal sculpture in Terminal B and the light and glass structure in Terminal E.
  • Traveling with children through Lisbon Airport is effortless because of the facilities set up to accommodate kids’ needs. You can move your toddler around the airport with ease by utilizing the strollers in T1. The airport also has a family room equipped with all utilities a family may require.
  • Take some quiet time away from the busy Logan Airport terminals at the United Club lounge in Terminal B and enjoy free Wi-Fi, personalized travel aid, reading materials, and refreshments. One can access the lounge upon payment of around $59.
  • It is more convenient to travel to BOS from the city of Boston on board the Silver line buses, which stop at the terminals. The free Silver line buses stop at the South station and operate seven days a week starting from 5:30 am. The buses take approximately 30min to reach the airport.

Prefer to fly direct from Boston to Lisbon?

 
Find which airlines fly direct from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport, which days they fly and book direct flights.

Direct departures

Boston Logan Intl to Lisbon Humberto Delgado

Monday

Delta,TAP AIR PORTUGAL

Delta,TAP AIR PORTUGAL

Tuesday

Delta,TAP AIR PORTUGAL

Delta,TAP AIR PORTUGAL

Wednesday

Delta,TAP AIR PORTUGAL

Delta,TAP AIR PORTUGAL

Thursday

Delta,TAP AIR PORTUGAL

Delta,TAP AIR PORTUGAL

Friday

Delta,TAP AIR PORTUGAL

Delta,TAP AIR PORTUGAL

Saturday

Delta,TAP AIR PORTUGAL

Delta,TAP AIR PORTUGAL

Sunday

Delta,TAP AIR PORTUGAL

Delta,TAP AIR PORTUGAL

See more nonstop flights

Direct returns

Lisbon Humberto Delgado to Boston Logan Intl

Monday

Delta,TAP AIR PORTUGAL

Delta,TAP AIR PORTUGAL

Tuesday

Delta,TAP AIR PORTUGAL

Delta,TAP AIR PORTUGAL

Wednesday

Delta,TAP AIR PORTUGAL

Delta,TAP AIR PORTUGAL

Thursday

Delta,TAP AIR PORTUGAL

Delta,TAP AIR PORTUGAL

Friday

Delta,TAP AIR PORTUGAL

Delta,TAP AIR PORTUGAL

Saturday

Delta,TAP AIR PORTUGAL

Delta,TAP AIR PORTUGAL

Sunday

Delta,TAP AIR PORTUGAL

Delta,TAP AIR PORTUGAL

See more nonstop flights

More options for your flight from Boston to Lisbon

Complete your trip to Lisbon with a hotel stay or car rental