What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

What is the cheapest airline that flies from Boston Logan Intl to Lisbon Humberto Delgado?

LEVEL is the most popular carrier operating from Boston Logan Intl to Lisbon Humberto Delgado

Which airport is the most popular layover for flights between Boston and Lisbon?

Ponta Delgada (PDL) was the most common stop: 24% of momondo users choosing 1-stop flights on this route connected there.

Which airline has the best punctuality record on Boston to Lisbon flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 19% of their flights experiencing any sort of delay.

How many flights depart from Boston to Lisbon on average per day?

The number of flights available between Boston and Lisbon is 5 per day as of November 2025. The most frequent departure time is 8:00PM, with 100% of daily flights leaving in the evening.

What airlines fly to Lisbon?

TAP AIR PORTUGAL, Delta and Air France are the top three most popular airlines that fly to Lisbon from Boston according to our data. TAP AIR PORTUGAL is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 23 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Boston to Lisbon?

Zurich (ZRH) has the shortest average layover time for this route: 1h 15m.

What is the most punctual flight time for Boston to Lisbon flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

How many flights depart from Boston to Lisbon on average per week?

As of November 2025, there are 40 flights per week flying from Boston to Lisbon. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

How often are flights from Boston to Lisbon delayed?

Historically, on average around 20% of flights between Boston and Lisbon have experienced a delay on any given week. The average delay length over the past 12 months has been 129 minutes.

Which layover airport offers the lowest fares from Boston to Lisbon?

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $409.

Which layover airport has the shortest travel time from Boston to Lisbon?

Flights connecting via Porto (OPO) have the shortest average one-way travel time: 9h 00m.

When did momondo last update prices for flights from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport?

Prices for flights from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport were last updated today.

How many operators does momondo search for flights from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport?

The number of operators available for flights from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport is 23 as of November 2025.

How old do you have to be to fly from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport.

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$290 Cheap Flights from Boston to Lisbon in 2025/26

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10:05 am - 9:30 pmBOS-LIS

30h 25m2 stops

4:55 pm - 3:50 pmLIS-BOS

27h 55m1 stop

$497Scandinavian Airlines

Find Deal

Mon, Jan 26 - Sun, Feb 1

9:15 pm - 4:45 pmBOS-LIS

14h 30m1 stop

2:00 pm - 8:55 pmLIS-BOS

11h 55m1 stop

$498Multiple Airlines

Find Deal

Wed, Jan 28 - Tue, Feb 3

10:20 pm - 9:00 pmBOS-LIS

18h 40m1 stop

10:25 am - 7:55 pmLIS-BOS

13h 30m1 stop

$500Multiple Airlines

Find Deal

Sun, Mar 15 - Thu, Mar 19

7:50 pm - 4:45 pmBOS-LIS

15h 55m2 stops

8:40 pm - 5:50 pmLIS-BOS

26h 10m2 stops

$501Multiple Airlines

Find Deal

Wed, Jan 7 - Sun, Jan 11

4:45 pm - 7:40 amBOS-LIS

9h 55m1 stop

12:30 pm - 7:50 pmLIS-BOS

12h 20m1 stop

$502Iberia

Find Deal

Fri, Jan 16 - Fri, Jan 23

5:40 pm - 3:35 pmBOS-LIS

16h 55m1 stop

7:00 am - 3:35 pmLIS-BOS

37h 35m2 stops

$503Scandinavian Airlines

Find Deal

Mon, Apr 6 - Sat, Apr 18

5:10 pm - 1:05 pmBOS-LIS

14h 55m1 stop

9:05 am - 8:55 pmLIS-BOS

16h 50m1 stop

$504Multiple Airlines

Find Deal

Tue, Jan 13 - Thu, Jan 22

2:00 pm - 8:00 amBOS-LIS

13h 00m1 stop

10:00 am - 9:30 pmLIS-BOS

16h 30m1 stop

$505Delta

Find Deal

Fri, Jan 30 - Thu, Feb 5

10:40 pm - 4:55 pmBOS-LIS

13h 15m1 stop

9:05 pm - 8:55 pmLIS-BOS

28h 50m1 stop

$506Iberia

Find Deal

Sat, Jan 10 - Fri, Jan 23

1:00 pm - 4:05 pmBOS-LIS

22h 05m2 stops

6:55 pm - 3:50 pmLIS-BOS

25h 55m1 stop

$507Scandinavian Airlines

Find Deal

Sun, Jan 11 - Sat, Jan 24

Aer Lingus flights from Boston to Lisbon

Our best Aer Lingus deals on Boston to Lisbon flight tickets

Aer Lingus

Mar 23

BOS6:10 pmBoston Logan Intl

12h 00m

1 stop

LIS10:10 amLisbon Humberto Delgado

Mar 31

LIS10:15 pmLisbon Humberto Delgado

21h 25m

1 stop

BOS2:40 pmBoston Logan Intl

$509

Find similar

Aer Lingus

Dec 29

BOS5:20 pmBoston Logan Intl

11h 50m

1 stop

LIS10:10 amLisbon Humberto Delgado

Apr 30

LIS11:25 amLisbon Humberto Delgado

15h 35m

1 stop

BOS10:00 pmBoston Logan Intl

$521

Find similar

Aer Lingus

Apr 20

BOS11:30 pmBoston Logan Intl

17h 05m

1 stop

LIS9:35 pmLisbon Humberto Delgado

Apr 30

LIS11:25 amLisbon Humberto Delgado

12h 20m

1 stop

BOS6:45 pmBoston Logan Intl

$530

Find similar

American Airlines flights from Boston to Lisbon

Our best American Airlines deals on Boston to Lisbon flight tickets

American Airlines

Jan 7

BOS11:10 amBoston Logan Intl

14h 45m

1 stop

LIS6:55 amLisbon Humberto Delgado

Jan 13

LIS11:05 amLisbon Humberto Delgado

14h 06m

2 stops

BOS8:11 pmBoston Logan Intl

$513

Find similar

American Airlines

Feb 2

BOS3:35 pmBoston Logan Intl

15h 15m

2 stops

LIS11:50 amLisbon Humberto Delgado

Feb 9

LIS11:05 amLisbon Humberto Delgado

14h 06m

2 stops

BOS8:11 pmBoston Logan Intl

$526

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 1/26

10:05 am-9:30 pm

2 stops30h 25m

Lisbon Humberto Delgado

Sun 2/1

4:55 pm-3:50 pm

1 stop27h 55m

$497

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 1/28

9:15 pm-4:45 pm

1 stop14h 30m

Lisbon Humberto Delgado

Tue 2/3

2:00 pm-8:55 pm

1 stop11h 55m

$498

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 3/15

10:20 pm-9:00 pm

1 stop18h 40m

Lisbon Humberto Delgado

Thu 3/19

10:25 am-7:55 pm

1 stop13h 30m

$500

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 1/7

7:50 pm-4:45 pm

2 stops15h 55m

Lisbon Humberto Delgado

Sun 1/11

8:40 pm-5:50 pm

2 stops26h 10m

$501

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 1/16

4:45 pm-7:40 am

1 stop9h 55m

Lisbon Humberto Delgado

Fri 1/23

12:30 pm-7:50 pm

1 stop12h 20m

$502

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 4/6

5:40 pm-3:35 pm

1 stop16h 55m

Lisbon Humberto Delgado

Sat 4/18

7:00 am-3:35 pm

2 stops37h 35m

$503

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Tue 1/13

5:10 pm-1:05 pm

1 stop14h 55m

Lisbon Humberto Delgado

Thu 1/22

9:05 am-8:55 pm

1 stop16h 50m

$504

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 1/30

2:00 pm-8:00 am

1 stop13h 00m

Lisbon Humberto Delgado

Thu 2/5

10:00 am-9:30 pm

1 stop16h 30m

$505

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sat 1/10

10:40 pm-4:55 pm

1 stop13h 15m

Lisbon Humberto Delgado

Fri 1/23

9:05 pm-8:55 pm

1 stop28h 50m

$506

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 1/11

1:00 pm-4:05 pm

2 stops22h 05m

Lisbon Humberto Delgado

Sat 1/24

6:55 pm-3:50 pm

1 stop25h 55m

$507

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to Lisbon

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Layovers

Other information

What is the cheapest month to fly to Lisbon?

In general, February is the cheapest month to fly from Boston to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $642. If you are unable to visit Lisbon during the month of February, then departing from Boston during the month January is also very affordable. Most momondo users find prices during this month for around $649.

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Monday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $780. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Lisbon for around $868.

What is the cheapest time of day to depart on your flight to Lisbon?

The cheapest time of day to fly to Lisbon is at noon when flights can be purchased for as low as $351. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $820 on average. Flights to Lisbon from Boston in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Boston Logan Intl to Lisbon Humberto Delgado flight route?

Fly from Boston Logan Intl to Lisbon Humberto Delgado for the best Boston Logan Intl - Lisbon Humberto Delgado flight prices

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

You are more likely to see cheaper flights to Lisbon from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $780 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Boston for as low as $708 on momondo.

What cabin class options are available on Boston Logan Intl to Lisbon Humberto Delgado flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Lisbon Humberto Delgado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Lisbon flights?

No. A direct flight is the cheapest option for a flight between Boston to Lisbon.

How have Boston to Lisbon flight prices changed over time?

As of November 2025, prices for Boston to Lisbon flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Lisbon according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Lisbon (BOS to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Lisbon

Best Price Found	$316
Fastest flight time	6h 20m
Direct flights	Every day
Airports in Lisbon	1 airport

The best one-way flight to Lisbon from Boston in the past 72 hours is $316. The best round-trip flight deal from Boston to Lisbon found on momondo in the last 72 hours is $544.

The fastest flight from Boston to Lisbon takes 6h 20m

Direct flights go from Boston to Lisbon every day.

There is 1 airport near Lisbon: Lisbon Humberto Delgado (LIS)

Search flight deals

How far is Boston Logan Intl to Lisbon Humberto Delgado by plane?
Lisbon Humberto Delgado is 3186.3 mi away from Boston Logan Intl. Typically, this will take 6h 30m by plane in normal conditions.
When did momondo last update prices for flights from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport?
Prices for flights from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport were last updated today.
How many operators does momondo search for flights from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport?
The number of operators available for flights from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport is 23 as of November 2025.
How old do you have to be to fly from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Boston to Lisbon?
momondo data reveals that the most frequently booked plane model on the route from Boston to Lisbon is Boeing 767-300 (winglets), representing 37.33% of all bookings. The subsequent popular models are Airbus A321neo at 34.29%, Airbus A330-900neo at 16.91%, and Airbus A330-200 at 1.43%.
What is the most popular airline from Boston to Lisbon?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boston to Lisbon is TAP AIR PORTUGAL (49% of total bookings). The next most popular airlines are Delta (18%), Air France (9%), and KLM (5%).

Best airlines flying from Boston to Lisbon

Compare and see reviews for airlines that fly from Boston to Lisbon with momondo

Airline	Rating	Free Cancellation	Price
Vueling	PriceFrom $165	Free Cancellation	Rating 7.1 1,210 reviews	Search Vueling flights
LEVEL	PriceFrom $230	Free Cancellation	Rating 0.0	Search LEVEL flights
PLAY	PriceFrom $333	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
Iberia	PriceFrom $343	Free Cancellation	Rating 7.0 3,034 reviews	Search Iberia flights
Icelandair	PriceFrom $370	Free Cancellation	Rating 7.0 581 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $381	Free Cancellation	Rating 7.4 1,589 reviews	Search Scandinavian Airlines flights
LEVEL	PriceFrom $405	Free Cancellation	Rating 0.0 0 reviews	Search LEVEL flights
American Airlines	PriceFrom $426	Free Cancellation	Rating 7.2 11,038 reviews	Search American Airlines flights
Aer Lingus	PriceFrom $437	Free Cancellation	Rating 7.2 1,381 reviews	Search Aer Lingus flights
Azores Airlines	PriceFrom $461	Free Cancellation	Rating 7.4 84 reviews	Search Azores Airlines flights

KLM Flights From Boston to Lisbon
KLM is one of the most popular airlines flying from Boston to Lisbon, operating 7 flights/week on average for this route. A good KLM flight deal for Boston to Lisbon starts from $611 round-trip, up to an average price of $780. Our users have rated KLM at 7.7/10.
Virgin Atlantic Flights From Boston to Lisbon
$587 is the best Virgin Atlantic flight deal from Boston to Lisbon found on momondo over the last 72 hours. The average Virgin Atlantic ticket price found was closer to $811, however, with flight time and availability significantly affecting the price. Virgin Atlantic (7.5/10 from 675 user reviews) flies into Lisbon from Boston 7 times in an average week so prices can vary.

Sintra

Ericeira

Fátima

Nazaré

Oeiras

Setúbal

Peniche

Estoril

Leiria

Sesimbra

Tomar

Almada

Evora

Zambujeira do Mar

Figueira da Foz

Batalha

Torres Vedras

Óbidos

Sines

Comporta

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Lisbon?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Lisbon for you.

Can I find flights from Boston to Lisbon with flexible booking policies on momondo?

All flight searches from Boston to Lisbon on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Boston to Lisbon?

momondo helps you find the best flight between Boston and Lisbon by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boston to Lisbon right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Lisbon, momondo offers a useful price alert feature which will track prices for flights to Lisbon from Boston and alert you when they change.

An easier way to manage your Lisbon trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Boston to Lisbon from $290

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Lisbon departing on 12/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Boston to Lisbon

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Lisbon?

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Monday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $780. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Lisbon for around $868.

What is the cheapest time of day to depart on your flight to Lisbon?

What is the cheapest Boston Logan Intl to Lisbon Humberto Delgado flight route?

Fly from Boston Logan Intl to Lisbon Humberto Delgado for the best Boston Logan Intl - Lisbon Humberto Delgado flight prices

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

What cabin class options are available on Boston Logan Intl to Lisbon Humberto Delgado flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Lisbon Humberto Delgado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Lisbon flights?

No. A direct flight is the cheapest option for a flight between Boston to Lisbon.

How have Boston to Lisbon flight prices changed over time?

As of November 2025, prices for Boston to Lisbon flights are approximately 3% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Boston Logan Intl to Lisbon Humberto Delgado?

LEVEL is the most popular carrier operating from Boston Logan Intl to Lisbon Humberto Delgado

What airlines fly to Lisbon?

How often are flights from Boston to Lisbon delayed?

Historically, on average around 20% of flights between Boston and Lisbon have experienced a delay on any given week. The average delay length over the past 12 months has been 129 minutes.

What is the most punctual flight time for Boston to Lisbon flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Boston to Lisbon flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 19% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Boston and Lisbon?

Ponta Delgada (PDL) was the most common stop: 24% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Boston to Lisbon?

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $409.

Which layover airport has the shortest travel time from Boston to Lisbon?

Flights connecting via Porto (OPO) have the shortest average one-way travel time: 9h 00m.

Which layover airport has the shortest connection time from Boston to Lisbon?

Zurich (ZRH) has the shortest average layover time for this route: 1h 15m.

How many flights depart from Boston to Lisbon on average per day?

The number of flights available between Boston and Lisbon is 5 per day as of November 2025. The most frequent departure time is 8:00PM, with 100% of daily flights leaving in the evening.

How many flights depart from Boston to Lisbon on average per week?

As of November 2025, there are 40 flights per week flying from Boston to Lisbon. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

When to book flights from Boston to Lisbon

Cheap Boston to Lisbon (BOS to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Lisbon

Best Price Found

Fastest flight time

Direct flights

Airports in Lisbon

How far is Boston Logan Intl to Lisbon Humberto Delgado by plane?

When did momondo last update prices for flights from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport?

How many operators does momondo search for flights from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport?

How old do you have to be to fly from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport?

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

What is the most popular plane model from Boston to Lisbon?

What is the most popular airline from Boston to Lisbon?

Best airlines flying from Boston to Lisbon

Compare and see reviews for airlines that fly from Boston to Lisbon with momondo

KLM Flights From Boston to Lisbon

Virgin Atlantic Flights From Boston to Lisbon

Traveling to a place near Lisbon?

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