Cheap Flights from Boston (BOS) to Lisbon (LIS)

View AU$434 flight on Wed, 12 Nov. 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Humberto Delgado Airport (LIS)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Boston (BOS) to Lisbon (LIS)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Mon, 1 Sep. - Wed, 10 Sep.
BOS
Boston
LIS
Lisbon
AU$956 Return, found 5 days ago
AU$956
Return
found 5 days ago
Select TAP Portugal flight, departing Mon, 1 Sep. from Boston to Lisbon, returning Wed, 10 Sep., priced at AU$956 found 5 days ago
TAP Portugal
Mon, 1 Sep. - Wed, 10 Sep.
BOS
Boston
LIS
Lisbon
AU$960 Return, found 5 days ago
AU$960
Return
found 5 days ago
Select TAP Portugal flight, departing Mon, 1 Sep. from Boston to Lisbon, returning Wed, 10 Sep., priced at AU$960 found 5 days ago
TAP Portugal
Mon, 1 Sep. - Wed, 10 Sep.
BOS
Boston
LIS
Lisbon
AU$986 Return, found 5 days ago
AU$986
Return
found 5 days ago
Select TAP Portugal flight, departing Mon, 1 Sep. from Boston to Lisbon, returning Wed, 10 Sep., priced at AU$986 found 5 days ago
Aer Lingus
Mon, 1 Sep. - Wed, 10 Sep.
BOS
Boston
LIS
Lisbon
AU$1,005 Return, found 5 days ago
AU$1,005
Return
found 5 days ago
Select Aer Lingus flight, departing Mon, 1 Sep. from Boston to Lisbon, returning Wed, 10 Sep., priced at AU$1,005 found 5 days ago
TAP Portugal
Mon, 1 Sep. - Wed, 10 Sep.
BOS
Boston
LIS
Lisbon
AU$1,014 Return, found 5 days ago
AU$1,014
Return
found 5 days ago
Select TAP Portugal flight, departing Mon, 1 Sep. from Boston to Lisbon, returning Wed, 10 Sep., priced at AU$1,014 found 5 days ago
Aer Lingus
Mon, 1 Sep. - Wed, 10 Sep.
BOS
Boston
LIS
Lisbon
AU$1,021 Return, found 5 days ago
AU$1,021
Return
found 5 days ago
Select Aer Lingus flight, departing Mon, 1 Sep. from Boston to Lisbon, returning Wed, 10 Sep., priced at AU$1,021 found 5 days ago
Aer Lingus
Mon, 1 Sep. - Wed, 10 Sep.
BOS
Boston
LIS
Lisbon
AU$1,037 Return, found 5 days ago
AU$1,037
Return
found 5 days ago
Select Aer Lingus flight, departing Mon, 1 Sep. from Boston to Lisbon, returning Wed, 10 Sep., priced at AU$1,037 found 5 days ago
Scandinavian Airlines
Mon, 1 Sep. - Wed, 10 Sep.
BOS
Boston
LIS
Lisbon
AU$1,208 Return, found 5 days ago
AU$1,208
Return
found 5 days ago
Select Scandinavian Airlines flight, departing Mon, 1 Sep. from Boston to Lisbon, returning Wed, 10 Sep., priced at AU$1,208 found 5 days ago
Virgin Atlantic
Mon, 1 Sep. - Wed, 10 Sep.
BOS
Boston
LIS
Lisbon
AU$1,618 Return, found 5 days ago
AU$1,618
Return
found 5 days ago
Select Virgin Atlantic flight, departing Mon, 1 Sep. from Boston to Lisbon, returning Wed, 10 Sep., priced at AU$1,618 found 5 days ago
American Airlines
Mon, 1 Sep. - Wed, 10 Sep.
BOS
Boston
LIS
Lisbon
AU$2,221 Return, found 5 days ago
AU$2,221
Return
found 5 days ago
Select American Airlines flight, departing Mon, 1 Sep. from Boston to Lisbon, returning Wed, 10 Sep., priced at AU$2,221 found 5 days ago

Find the cheapest month to fly from Boston (BOS) to Lisbon (LIS)

November is typically the cheapest month to fly

From AU$525 - AU$1,096 per traveller.

Graph displaying average flight prices per month

Flight from Boston to Lisbon route information
Origin airport
Logan Intl.
Destination airport
Humberto Delgado
Return price
AU$955
Distance
5096 km
Average flight time
11 hours 26 mins

Your quick guide to flights from Boston to Lisbon

Pick up great flights from Boston to Lisbon

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Boston to Lisbon. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Boston to Lisbon that take around hours.

Find cheap flights from Boston to Lisbon

From the great flight deals with prices currently ranging from AU$956 to AU$2,221, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Boston to Lisbon around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Lisbon is normally in September.

Reasons to book your flight from Boston to Lisbon with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Boston to Lisbon across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Lisbon right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from BOS to Lisbon Airport?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Logan Intl. Airport to Lisbon/Portela Airport start from AU$956. Book now to secure the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BOS to Lisbon/Portela Airport?
This can differ from airline to airline, as each has its own set of terms and conditions. Visit the Customer Service Portal, where you'll find simple instructions on how to cancel your flight online.
How do I find cheap flights from Logan Intl. Airport to Humberto Delgado Airport (LIS) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Logan Intl. Airport to Lisbon Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Logan Intl. Airport to LIS?
With a flight distance of 5 100 kilometres from Logan Intl. Airport (BOS) to Lisbon Airport (LIS), this is a long flight. Be sure to drink plenty of water and get up to stretch your legs every now and then.
Which airlines fly direct from BOS to Lisbon/Portela Airport?
Flying straight from BOS to Humberto Delgado Airport (LIS) is simple with TAP Portugal (TP). This leading airline offers 43 flights every month.
Are Logan Intl. Airport to Lisbon/Portela Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes nab a bargain, with some of the cheapest fares from Logan Intl. Airport (BOS) to LIS appearing a few weeks prior to the departure date. If you'd rather plan ahead, Expedia compares and updates all the best flight deals frequently — as early as 12 months in advance in some cases. It depends on the carrier though, as not every airline advertises prices so far in advance.

Explore a world of travel with Expedia

*Available to Expedia members.