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 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 61% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 22 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between Boston and Lisbon is 3 per day as of January 2026. The most frequent departure time is 6:00PM, with 100% of daily flights leaving in the evening.

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 131 minutes.

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

Azores Airlines, TAP AIR PORTUGAL, and LEVEL are the most popular carriers operating from Boston Logan Intl to Lisbon Humberto Delgado

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

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $413.

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 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.

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

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

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

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

As of January 2026, there are 26 flights per week flying from Boston to Lisbon. The most common day of the week flights depart is Thu, with 19% of flights taking off on this day.

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.

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 22 as of January 2026.

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.

$295 Cheap Flights from Boston to Lisbon in 2026

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:40 pm - 8:00 am

BOS

LIS

6h 20mnonstop

11:25 am - 2:20 pm

LIS

BOS

30h 55m

1 stop

$505Delta

dom, fev 22 - dom, mar 8

5:35 pm - 10:00 pm

BOS

LIS

23h 25m

2 stops

4:25 pm - 3:35 pm

LIS

BOS

28h 10m

1 stop

$506Scandinavian Airlines

seg, mar 2 - ter, mar 31

2:20 pm - 8:10 am

BOS

LIS

12h 50m

2 stops

6:10 am - 6:35 pm

LIS

BOS

17h 25m

1 stop

$507United Airlines

ter, fev 24 - sex, mar 6

3:00 pm - 8:00 am

BOS

LIS

12h 00m

1 stop

5:00 am - 4:25 pm

LIS

BOS

16h 25m

1 stop

$508KLM

qua, abr 15 - qui, abr 23

7:15 pm - 12:10 pm

BOS

LIS

11h 55m

1 stop

9:05 am - 8:55 pm

LIS

BOS

16h 50m

1 stop

$509Multiple Airlines

qui, fev 26 - ter, mar 3

5:40 pm - 3:35 pm

BOS

LIS

16h 55m

1 stop

7:00 am - 3:19 pm

LIS

BOS

37h 19m

2 stops

$510Scandinavian Airlines

seg, mai 4 - dom, mai 10

7:35 pm - 2:10 pm

BOS

LIS

13h 35m

1 stop

8:25 am - 4:10 pm

LIS

BOS

12h 45m

1 stop

$511Multiple Airlines

qua, abr 22 - qui, abr 30

5:10 pm - 8:50 am

BOS

LIS

10h 40m

1 stop

12:45 pm - 3:21 pm

LIS

BOS

7h 36mnonstop

$512Delta

ter, abr 7 - qui, abr 23

5:40 pm - 3:35 pm

BOS

LIS

16h 55m

1 stop

6:25 pm - 3:35 pm

LIS

BOS

26h 10m

1 stop

$513Multiple Airlines

sex, abr 24 - sex, mai 8

5:40 pm - 10:05 pm

BOS

LIS

23h 25m

2 stops

4:25 pm - 3:35 pm

LIS

BOS

28h 10m

1 stop

$514Scandinavian Airlines

sáb, abr 4 - ter, abr 28

Scandinavian Airlines flights from Boston to Lisbon

Our best Scandinavian Airlines deals on Boston to Lisbon flight tickets

Scandinavian Airlines

Mar 12

BOS6:35 pmBoston Logan Intl

47h 25m

2 stops

LIS10:00 pmLisbon Humberto Delgado

Mar 22

LIS6:00 pmLisbon Humberto Delgado

26h 50m

1 stop

BOS4:50 pmBoston Logan Intl

$506

Scandinavian Airlines

May 4

BOS5:40 pmBoston Logan Intl

16h 55m

1 stop

LIS3:35 pmLisbon Humberto Delgado

May 10

LIS7:00 amLisbon Humberto Delgado

37h 19m

2 stops

BOS3:19 pmBoston Logan Intl

$510

Scandinavian Airlines

Feb 25

BOS1:04 pmBoston Logan Intl

38h 51m

2 stops

LIS8:55 amLisbon Humberto Delgado

Mar 1

LIS6:00 pmLisbon Humberto Delgado

26h 50m

1 stop

BOS3:50 pmBoston Logan Intl

$515

Delta flights from Boston to Lisbon

Our best Delta deals on Boston to Lisbon flight tickets

Delta

Feb 22

BOS8:40 pmBoston Logan Intl

6h 20m

LIS8:00 amLisbon Humberto Delgado

Mar 8

LIS11:25 amLisbon Humberto Delgado

30h 55m

1 stop

BOS2:20 pmBoston Logan Intl

$505

Delta

Apr 7

BOS5:10 pmBoston Logan Intl

13h 05m

1 stop

LIS11:15 amLisbon Humberto Delgado

Apr 21

LIS12:45 pmLisbon Humberto Delgado

7h 36m

BOS3:21 pmBoston Logan Intl

$512

Delta

Feb 26

BOS8:40 pmBoston Logan Intl

6h 20m

LIS8:00 amLisbon Humberto Delgado

Mar 10

LIS5:30 amLisbon Humberto Delgado

16h 45m

2 stops

BOS6:15 pmBoston Logan Intl

$514

Fly from

Fly to

Route

Depart

Return

Price

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

dom 2/22

8:40 pm-8:00 am

Nonstop6h 20m

Lisbon Humberto Delgado

dom 3/8

11:25 am-2:20 pm

1 stop30h 55m

$505

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

seg 3/2

5:35 pm-10:00 pm

2 stops23h 25m

Lisbon Humberto Delgado

ter 3/31

4:25 pm-3:35 pm

1 stop28h 10m

$506

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

ter 2/24

2:20 pm-8:10 am

2 stops12h 50m

Lisbon Humberto Delgado

sex 3/6

6:10 am-6:35 pm

1 stop17h 25m

$507

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

qua 4/15

3:00 pm-8:00 am

1 stop12h 00m

Lisbon Humberto Delgado

qui 4/23

5:00 am-4:25 pm

1 stop16h 25m

$508

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

qui 2/26

7:15 pm-12:10 pm

1 stop11h 55m

Lisbon Humberto Delgado

ter 3/3

9:05 am-8:55 pm

1 stop16h 50m

$509

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

seg 5/4

5:40 pm-3:35 pm

1 stop16h 55m

Lisbon Humberto Delgado

dom 5/10

7:00 am-3:19 pm

2 stops37h 19m

$510

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

qua 4/22

7:35 pm-2:10 pm

1 stop13h 35m

Lisbon Humberto Delgado

qui 4/30

8:25 am-4:10 pm

1 stop12h 45m

$511

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

ter 4/7

5:10 pm-8:50 am

1 stop10h 40m

Lisbon Humberto Delgado

qui 4/23

12:45 pm-3:21 pm

Nonstop7h 36m

$512

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

sex 4/24

5:40 pm-3:35 pm

1 stop16h 55m

Lisbon Humberto Delgado

sex 5/8

6:25 pm-3:35 pm

1 stop26h 10m

$513

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

sáb 4/4

5:40 pm-10:05 pm

2 stops23h 25m

Lisbon Humberto Delgado

ter 4/28

4:25 pm-3:35 pm

1 stop28h 10m

$514

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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

Prices

Airlines

Delays

Layovers

Other information

What is the cheapest month to fly to Lisbon?

In general, November 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 $637. If you are unable to visit Lisbon during the month of November, then departing from Boston during the month February is also very affordable. Most momondo users find prices during this month for around $656.

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 $788. 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 $879.

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

The cheapest time of day to fly to Lisbon is in the evening when flights can be purchased for as low as $814. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $834 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 $777 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 $724 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.

How have Boston to Lisbon flight prices changed over time?

As of January 2026, prices for Boston to Lisbon flights are approximately 7% more expensive 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	$327
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 $327. The best round-trip flight deal from Boston to Lisbon found on momondo in the last 72 hours is $533.

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

Direct flights go from Boston to Lisbon every day.

There is 1 airport in Lisbon. From Boston there are direct flights to 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 20m 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 22 as of January 2026.
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 37.71% of all bookings. The subsequent popular models are Airbus A321neo at 35.22%, Airbus A330-900neo at 12.29%, and Airbus A330-200 at 2.07%.
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 $78	Free Cancellation	Rating 7.1 1,226 reviews	Search Vueling flights
LEVEL	PriceFrom $232	Free Cancellation	Rating 0.0	Search LEVEL flights
PLAY	PriceFrom $328	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
Iberia	PriceFrom $343	Free Cancellation	Rating 7.0 3,084 reviews	Search Iberia flights
Scandinavian Airlines	PriceFrom $381	Free Cancellation	Rating 7.3 1,646 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $386	Free Cancellation	Rating 7.1 595 reviews	Search Icelandair flights
American Airlines	PriceFrom $393	Free Cancellation	Rating 7.2 11,114 reviews	Search American Airlines flights
LEVEL	PriceFrom $405	Free Cancellation	Rating 0.0 0 reviews	Search LEVEL flights
Aer Lingus	PriceFrom $437	Free Cancellation	Rating 7.2 1,435 reviews	Search Aer Lingus flights
Azores Airlines	PriceFrom $462	Free Cancellation	Rating 7.4 90 reviews	Search Azores Airlines flights

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Fátima

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Setúbal

Estoril

Peniche

Leiria

Oeiras

Sesimbra

Tomar

Evora

Figueira da Foz

Zambujeira do Mar

Batalha

Torres Vedras

Óbidos

Comporta

Sines

Almada

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.

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Cheap flights from Boston to Lisbon from $295

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 1/18. 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

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 $788. 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 $879.

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.

How have Boston to Lisbon flight prices changed over time?

As of January 2026, prices for Boston to Lisbon flights are approximately 7% more expensive 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?

Azores Airlines, TAP AIR PORTUGAL, and LEVEL are the most popular carriers 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 131 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?

Wednesday 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?

Reykjavik (KEF) 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 $413.

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 3 per day as of January 2026. The most frequent departure time is 6:00PM, with 100% of daily flights leaving in the evening.

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

As of January 2026, there are 26 flights per week flying from Boston to Lisbon. The most common day of the week flights depart is Thu, with 19% 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

Traveling to a place near Lisbon?

Why use momondo?

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

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

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

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

An easier way to manage your Lisbon trip