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

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Boston to Lisbon are usually found in January or February, booked 23 days in advance, depart on a Tuesday or Monday and return on a Wednesday

How to find the cheapest flight from
Boston (BOS) to Lisbon (LIS)

All the information you need to plan the best BOS to LIS flight in 2021: compare Boston to Lisbon flight prices with the expected peak season, weather and rainfall in Lisbon.
BOS - LIS
Price
$594 - $906
LIS
Temperature
59 - 84.2 °F
LIS
Rainfall
0 - 1.2 inches

Popular in

December

High demand for flights, 23% potential price rise

Cheapest in

January

Best time to find cheap flights, 15% potential price drop

Round-trip from

$594

From Boston to Lisbon

One-way from

$306

One-way flight from Boston to Lisbon

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Boston to Lisbon?

Flights from Boston to Lisbon are found to be more expensive on Thursday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Lisbon.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 93% on flights from Boston to Lisbon compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,079. For sooner than that we have options available in the next 3 days from $1,831.

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

Flights from Boston to Lisbon lean towards being more expensive in December. Prices are generally better when you fly from Boston to Lisbon in February, with the cheapest ticket starting at $576.

When is the cheapest time to fly from Boston to Lisbon (BOS - LIS)?

It’s typically best to fly out from Boston to Lisbon in the morning. Doing so could potentially save you 39% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap flights from Boston to Lisbon in May, June 2021

The best prices found for BOS to LIS flights for May, June
18 Jun - 25 Jun
$340pp
BOS
Boston Logan Intl
SWISS
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
SWISS
 
1 STOP
BOS
Boston Logan Intl
21 May - 28 May
$342pp
BOS
Boston Logan Intl
SWISS
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
SWISS
 
1 STOP
BOS
Boston Logan Intl
23 Jun - 6 Jul
$347pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
KLM
   
2 STOPS
BOS
Boston Logan Intl

Boston to Lisbon 2021 flight deals

Cheap flights to Lisbon from Boston found for this year
16 Aug - 1 Sep
$302pp
BOS
Boston Logan Intl
United Airlines
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
United Airlines
 
1 STOP
BOS
Boston Logan Intl
16 Aug - 1 Sep
$303pp
BOS
Boston Logan Intl
United Airlines
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
United Airlines
 
1 STOP
BOS
Boston Logan Intl
15 Aug - 30 Aug
$312pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Air Canada
   
2 STOPS
BOS
Boston Logan Intl

Non-stop flights to Lisbon from Boston

Save time with Boston to Lisbon direct flight deals
16 Aug - 1 Sep
$358pp
BOS
Boston Logan Intl
TAP AIR PORTUGAL
Non-Stop
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
TAP AIR PORTUGAL
Non-Stop
BOS
Boston Logan Intl
16 Aug - 1 Sep
$363pp
BOS
Boston Logan Intl
TAP AIR PORTUGAL
Non-Stop
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
TAP AIR PORTUGAL
Non-Stop
BOS
Boston Logan Intl
25 Aug - 8 Sep
$365pp
BOS
Boston Logan Intl
TAP AIR PORTUGAL
Non-Stop
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
TAP AIR PORTUGAL
Non-Stop
BOS
Boston Logan Intl

Last minute flights from Boston to Lisbon

Late deals on round-trip flights to Lisbon from Boston, departing today and this week
21 May - 28 May
$342pp
BOS
Boston Logan Intl
SWISS
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
SWISS
 
1 STOP
BOS
Boston Logan Intl
21 May - 28 May
$353pp
BOS
Boston Logan Intl
SWISS
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
SWISS
 
1 STOP
BOS
Boston Logan Intl
21 May - 24 May
$362pp
BOS
Boston Logan Intl
KLM
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
KLM
 
1 STOP
BOS
Boston Logan Intl

One-way flights to Lisbon from Boston

The cheapest one-way flights from Boston to Lisbon
5:15 pm - 8:40 pm
Azores Airlines
1 Stop
22h 25m
BOS - LIS
Azores Airlines
7:00 am - 12:05 pm
American Airlines
2 Stops
24h 05m
BOS - LIS
American Airlines
3:50 pm - 6:55 pm
Finnair
1 Stop
22h 05m
BOS - LIS
Finnair
$316
Flightcatchers

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Boston</span> to <span class="emphasized">Lisbon</span> flights.

Flight FAQs

From Boston to Lisbon

Are flight prices decreasing from Boston to Lisbon due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Boston and Lisbon for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Boston Logan Intl to Lisbon Humberto Delgado have flexible cancellations due to COVID-19?

Some of our airline partners flying from Boston Logan Intl to Lisbon Humberto Delgado have new flexible policies in place due to COVID-19. TAP AIR PORTUGAL, Delta, and Azores Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like TAP AIR PORTUGAL with this kind of flexibility.

What airports do I use to fly from Boston to Lisbon?

Lisbon Humberto Delgado is the airport most travelers will use when flying to Lisbon from Boston Logan Intl. Booking flights from Logan Intl (BOS) to Humberto Delgado (LIS) should be relatively easy as there is 1 daily flight to Lisbon from 20 different airlines. 6h 15m is how long a flight from Boston to Lisbon Humberto Delgado will take if you book a nonstop flight.

Can I find flights from Boston to Lisbon for under $400 on Cheapflights?

Yes, there are multiple flights from Boston to Lisbon for under $400. The cheapest flight booked recently is on United Airlines for just $302, but on average you can expect to pay $327.

Are there nonstop flights from Boston to Lisbon for under $400 on Cheapflights?

Cheapflights has at least 20 direct flights from Boston to Lisbon under $400. A good price for a nonstop flight from Boston to Lisbon is less than $382.

Are there last-minute flights available from Boston to Lisbon for under $400?

There are currently 20+ open flights from Boston to Lisbon within the next 7 days for less than $400.

How popular is this flight route?

This flight path from Boston Logan Intl to Lisbon Humberto Delgado was viewed by 174 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Does it rain more in Boston or Lisbon?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Boston is roughly greater than that of Lisbon. You can assume this to be the case over the next 16 days.

Is Boston weather warmer or cooler than Lisbon?

With an average temperature of 84 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in Lisbon are the same as in Boston.

How long is the flight from Boston to Lisbon?

There are many flights that can get you from Boston to Lisbon in 9h 20m. Fly via United Airlines, Iberia, or SWISS to get the fastest option. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Boston to Lisbon round-trip?

Our cheapest airline available from Boston to Lisbon is United Airlines. Our recent data shows that you can find tickets from as low as $302 on this airline. Additional options worth looking into are Iberia and Lufthansa, starting at $325 and $330 round-trip. United Airlines is 56% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Boston to Lisbon one-way?

$284 is the cheapest one-way deal found within the past few days, from Azores Airlines. You may also be able to find cheap deals on Iberia and British Airways, with prices starting from $285 and $308, respectively.

Related searches

Flights to Lisbon from Boston
Flights to Boston Flights to Lisbon Flights from Boston

Rent a Car

Car Rentals in Lisbon

Alternative routes for Boston to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Lisbon

Things to know before you go - useful duration and weather info for your trip from Boston to Lisbon.
Today's exchange rate
$1 = €0.83
Average temperature for May in Lisbon
73.4 °F

Airports servicing Boston

Airports servicing Lisbon

Top 10 airlines flying from Boston to Lisbon

The chart below displays the airlines Cheapflights users traveling from Boston to Lisbon choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Finnair
$284 $373 No cancel fee 76%
British Airways
$332 $531 No cancel fee 70%
SWISS
$465 $548 No cancel fee 79%
Endeavor Airlines
$605 $605 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by Endeavor Airlines. Please check directly on their website for additional information.

Iberia
$464 $634 No cancel fee 77%
Lufthansa
$472 $660 No cancel fee 76%
Air Canada
$480 $707 No cancel fee 67%
Royal Air Maroc
$481 $729 No cancel fee 75%

We couldn't confirm the COVID-19 safety measures taken by Royal Air Maroc. Please check directly on their website for additional information.

KLM
$551 $738 No cancel fee 75%
United Airlines
$461 $747 No cancel fee 69%

Hourly flight availability from Boston to Lisbon

See what time of day planes typically take off from Boston towards Lisbon.
Evening 6 PM to midnight 70% of BOS to LIS departures
Afternoon Noon to 6 PM 30% of BOS to LIS departures
Early morning Midnight to 6 AM 0% of BOS to LIS departures
Morning 6 AM to noon 0% of BOS to LIS departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Boston to Lisbon
See how many times per day planes take to the skies headed from Boston to Lisbon.
Sunday
1 daily flight
Monday
2 daily flights
Tuesday
2 daily flights
Wednesday
1 daily flight
Thursday
2 daily flights
Friday
1 daily flight
Saturday
2 daily flights
Home Europe Portugal Lisbon Cheap flights from Boston to Lisbon