What is the cheapest airline that flies from Boston Logan Intl to Madrid Barajas?

TAP AIR PORTUGAL is the most popular carrier operating from Boston Logan Intl to Madrid Barajas

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

Lisbon (LIS) was the most common stop: 48% of momondo users choosing 1-stop flights on this route connected there.

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. Thursday has historically seen more delays on average compared to the rest of the week.

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

Amsterdam (AMS) has the shortest average layover time for this route: 1h 35m.

What airlines fly to Madrid?

Iberia, TAP AIR PORTUGAL and British Airways are the top three most popular airlines that fly to Madrid from Boston according to our data. Iberia is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Madrid. Keep in mind that there are 18 different airlines that fly to Madrid on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between Boston and Madrid is 3 per day as of November 2025. The most frequent departure time is 9:00PM, with 77% of daily flights leaving in the evening.

How often are flights from Boston to Madrid delayed?

Historically, on average around 9% of flights between Boston and Madrid have experienced a delay on any given week. The average delay length over the past 12 months has been 146 minutes.

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

Flights via Barcelona (BCN) offer the lowest average round-trip price of $2.

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

27 flights are operational weekly from Boston to Madrid as of November 2025. The most popular departure day for this route is Mon, with 22% of flights per week taking off on this day.

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

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 9h 35m.

What is the most punctual flight time for Boston to Madrid 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.

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

According to our data, Iberia have had the least number of delays on this route over the last 12 months; with about 6% of their flights experiencing any sort of delay.

When did momondo last update prices for flights from Boston Logan Intl Airport to Madrid Barajas Airport?

Prices for flights from Boston Logan Intl Airport to Madrid Barajas Airport were last updated today.

How many operators does momondo search for flights from Boston Logan Intl Airport to Madrid Barajas Airport?

As of November 2025, there are 18 operators available to choose from for flights from Boston Logan Intl Airport to Madrid Barajas Airport.

How old do you have to be to fly from Boston Logan Intl Airport to Madrid Barajas Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Madrid Barajas Airport.

What documentation or ID do you need to fly to Madrid Barajas Airport?

The travel and health documents you'll need for your trip to Madrid Barajas 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 Madrid Barajas Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$224 Cheap Flights from Boston to Madrid in 2025/26

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10:25 pm - 2:05 pmBOS-MAD

9h 40m1 stop

9:10 pm - 8:10 pmMAD-BOS

29h 00m1 stop

$392TAP AIR PORTUGAL

Find Deal

Sat, Dec 6 - Wed, Dec 17

5:30 am - 8:00 amBOS-MAD

20h 30m1 stop

10:10 am - 8:20 pmMAD-BOS

16h 10m1 stop

$394Multiple Airlines

Find Deal

Mon, Jan 12 - Wed, Jan 21

6:40 pm - 7:00 amBOS-MAD

30h 20m1 stop

12:35 pm - 12:56 pmMAD-BOS

29h 21m2 stops

$395United Airlines

Find Deal

Sat, Mar 7 - Wed, Mar 18

6:05 pm - 11:20 amBOS-MAD

11h 15m1 stop

2:55 pm - 8:10 pmMAD-BOS

11h 15m1 stop

$397TAP AIR PORTUGAL

Find Deal

Wed, Dec 10 - Fri, Dec 19

10:15 am - 8:00 amBOS-MAD

15h 45m1 stop

10:10 am - 8:20 pmMAD-BOS

16h 10m1 stop

$398Multiple Airlines

Find Deal

Mon, Jan 12 - Wed, Jan 21

10:30 am - 7:00 amBOS-MAD

15h 30m2 stops

12:35 pm - 12:56 pmMAD-BOS

29h 21m2 stops

$399United Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 18

3:40 pm - 7:00 amBOS-MAD

10h 20m1 stop

12:35 pm - 7:12 pmMAD-BOS

11h 37m1 stop

$401Air Canada

Find Deal

Tue, Mar 10 - Wed, Mar 18

3:35 pm - 8:50 amBOS-MAD

11h 15m1 stop

12:30 pm - 3:15 pmMAD-BOS

8h 45mnonstop

$403Iberia

Find Deal

Sun, Jan 18 - Fri, Jan 30

9:30 am - 9:15 amBOS-MAD

17h 45m2 stops

1:35 pm - 6:57 pmMAD-BOS

35h 22m2 stops

$404United Airlines

Find Deal

Sun, Jan 18 - Fri, Jan 30

6:55 pm - 8:00 amBOS-MAD

31h 05m2 stops

1:35 pm - 7:12 pmMAD-BOS

11h 37m1 stop

$405Air Canada

Find Deal

Tue, Feb 24 - Wed, Mar 4

TAP AIR PORTUGAL flights from Boston to Madrid

Our best TAP AIR PORTUGAL deals on Boston to Madrid flight tickets

TAP AIR PORTUGAL

Dec 6

BOS10:25 pmBoston Logan Intl

9h 40m

1 stop

MAD2:05 pmMadrid Barajas

Dec 17

MAD9:10 pmMadrid Barajas

29h 00m

1 stop

BOS8:10 pmBoston Logan Intl

$392

Find similar

TAP AIR PORTUGAL

Nov 30

BOS10:45 pmBoston Logan Intl

15h 35m

1 stop

MAD8:20 pmMadrid Barajas

Dec 11

MAD12:10 pmMadrid Barajas

14h 00m

1 stop

BOS8:10 pmBoston Logan Intl

$393

Find similar

TAP AIR PORTUGAL

Nov 30

BOS10:45 pmBoston Logan Intl

15h 35m

1 stop

MAD8:20 pmMadrid Barajas

Dec 11

MAD2:55 pmMadrid Barajas

11h 15m

1 stop

BOS8:10 pmBoston Logan Intl

$395

Find similar

Iberia flights from Boston to Madrid

Our best Iberia deals on Boston to Madrid flight tickets

Iberia

Jan 18

BOS3:35 pmBoston Logan Intl

11h 15m

1 stop

MAD8:50 amMadrid Barajas

Jan 30

MAD12:30 pmMadrid Barajas

8h 45m

BOS3:15 pmBoston Logan Intl

$403

Find similar

Iberia

Jan 19

BOS3:35 pmBoston Logan Intl

11h 15m

1 stop

MAD8:50 amMadrid Barajas

Feb 4

MAD4:25 pmMadrid Barajas

12h 31m

1 stop

BOS10:56 pmBoston Logan Intl

$413

Find similar

Iberia

Mar 2

BOS4:45 pmBoston Logan Intl

7h 00m

MAD5:45 amMadrid Barajas

Mar 25

MAD12:30 pmMadrid Barajas

8h 45m

BOS4:15 pmBoston Logan Intl

$423

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sat 12/6

10:25 pm-2:05 pm

1 stop9h 40m

Madrid Barajas

Wed 12/17

9:10 pm-8:10 pm

1 stop29h 00m

$392

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Mon 1/12

5:30 am-8:00 am

1 stop20h 30m

Madrid Barajas

Wed 1/21

10:10 am-8:20 pm

1 stop16h 10m

$394

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sat 3/7

6:40 pm-7:00 am

1 stop30h 20m

Madrid Barajas

Wed 3/18

12:35 pm-12:56 pm

2 stops29h 21m

$395

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 12/10

6:05 pm-11:20 am

1 stop11h 15m

Madrid Barajas

Fri 12/19

2:55 pm-8:10 pm

1 stop11h 15m

$397

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Mon 1/12

10:15 am-8:00 am

1 stop15h 45m

Madrid Barajas

Wed 1/21

10:10 am-8:20 pm

1 stop16h 10m

$398

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 3/10

10:30 am-7:00 am

2 stops15h 30m

Madrid Barajas

Wed 3/18

12:35 pm-12:56 pm

2 stops29h 21m

$399

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 3/10

3:40 pm-7:00 am

1 stop10h 20m

Madrid Barajas

Wed 3/18

12:35 pm-7:12 pm

1 stop11h 37m

$401

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sun 1/18

3:35 pm-8:50 am

1 stop11h 15m

Madrid Barajas

Fri 1/30

12:30 pm-3:15 pm

Nonstop8h 45m

$403

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sun 1/18

9:30 am-9:15 am

2 stops17h 45m

Madrid Barajas

Fri 1/30

1:35 pm-6:57 pm

2 stops35h 22m

$404

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 2/24

6:55 pm-8:00 am

2 stops31h 05m

Madrid Barajas

Wed 3/4

1:35 pm-7:12 pm

1 stop11h 37m

$405

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to Madrid

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 Madrid?

The month of October is, on average, the cheapest month to fly to Madrid from Boston, with most prices found around $480. If you don’t want to visit Madrid in October, then you should wait until September to fly from Boston, when ticket prices are also cheap, with an average price of $498.

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

The cheapest day to depart on your flight to Madrid is on a Wednesday when prices can be found for as low as $659. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Madrid on Saturday is $776.

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

Flying to Madrid from Boston in the evening is the least expensive time of day to depart. momondo users have found prices as low as $693 when looking at flights departing in the evening. Flights to Madrid are more costly in the morning, with an average ticket price of $795. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Boston Logan Intl to Madrid Barajas flight route?

Fly from Boston Logan Intl to Madrid Barajas for the best Boston Logan Intl - Madrid Barajas flight prices

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

You are more likely to see cheaper flights to Madrid from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Madrid for around $652 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Madrid from Boston for as low as $602 on momondo.

What cabin class options are available on Boston Logan Intl to Madrid Barajas flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Madrid Barajas 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 Madrid flight prices changed over time?

As of November 2025, prices for Boston to Madrid flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Madrid

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

Estimated round-trip price

Cheap Boston to Madrid (BOS to MAD) flight deals and tips

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

Best Price Found	$369
Fastest flight time	7h 00m
Direct flights	Every day
Airports in Madrid	1 airport

The best one-way flight to Madrid from Boston in the past 72 hours is $369. The best round-trip flight deal from Boston to Madrid found on momondo in the last 72 hours is $457.

The fastest flight from Boston to Madrid takes 7h 00m

Direct flights go from Boston to Madrid every day.

There is 1 airport near Madrid: Madrid Barajas (MAD)

Search flight deals

How far is Boston Logan Intl to Madrid Barajas by plane?
A flight from Boston Logan Intl to Madrid Barajas will travel around 3396.9 mi. 7h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from Boston Logan Intl Airport to Madrid Barajas Airport?
Prices for flights from Boston Logan Intl Airport to Madrid Barajas Airport were last updated today.
How many operators does momondo search for flights from Boston Logan Intl Airport to Madrid Barajas Airport?
As of November 2025, there are 18 operators available to choose from for flights from Boston Logan Intl Airport to Madrid Barajas Airport.
How old do you have to be to fly from Boston Logan Intl Airport to Madrid Barajas Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Madrid Barajas Airport.
What documentation or ID do you need to fly to Madrid Barajas Airport?
The travel and health documents you'll need for your trip to Madrid Barajas 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 Madrid Barajas 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 Madrid?
momondo data reveals that the most frequently booked plane model on the route from Boston to Madrid is Airbus A321neo, representing 78.06% of all bookings. The subsequent popular models are Airbus A330-200 at 5.08%, Airbus A330 at 4.26%, and Airbus A330-300 at 3.51%.
What is the most popular airline from Boston to Madrid?
momondo data reveals that the most frequently booked airline on the route from Boston to Madrid is Iberia, representing 45% of all bookings. The subsequent popular airlines are TAP AIR PORTUGAL at 12%, British Airways at 10%, and JetBlue at 10%.

Best airlines flying from Boston to Madrid

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

Airline	Rating	Free Cancellation	Price
PLAY	PriceFrom $315	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
Delta	PriceFrom $344	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights
TAP AIR PORTUGAL	PriceFrom $347	Free Cancellation	Rating 7.1 2,070 reviews	Search TAP AIR PORTUGAL flights
American Airlines	PriceFrom $352	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
Finnair	PriceFrom $352	Free Cancellation	Rating 7.6 1,334 reviews	Search Finnair flights
Iberia	PriceFrom $354	Free Cancellation	Rating 7.0 3,030 reviews	Search Iberia flights
Air France	PriceFrom $355	Free Cancellation	Rating 7.4 1,493 reviews	Search Air France flights
KLM	PriceFrom $361	Free Cancellation	Rating 7.7 1,416 reviews	Search KLM flights
Aer Lingus	PriceFrom $377	Free Cancellation	Rating 7.2 1,377 reviews	Search Aer Lingus flights
Air Canada	PriceFrom $378	Free Cancellation	Rating 7.1 10,464 reviews	Search Air Canada flights

Finnair Flights From Boston to Madrid
The lowest priced Finnair flight from Boston to Madrid from the last 72 hours was $352. Generally, Finnair has 4 flights on this route every week with an average price of $581. Finnair is rated 7.6/10 by our users.
American Airlines Flights From Boston to Madrid
American Airlines is also a popular choice for this route. American Airlines flight deals for Boston to Madrid start from as low as $352 round-trip, depending on your selected dates, with average American Airlines deals seen on momondo around $711. American Airlines operates 4 flights to Madrid from Boston in an average week. Users have rated it 7.2/10 across 11,047 reviews.

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San Lorenzo de El Escorial

Cuenca

Guadalajara

Why use momondo?

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

Finding the right flight to Madrid from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Madrid quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Madrid from Boston with this policy.

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

momondo helps you find the best flight between Boston and Madrid 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 Madrid right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boston to Madrid flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Boston to Madrid from $224

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 Madrid departing on 11/30. 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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TAP AIR PORTUGAL flights from Boston to Madrid

Our best TAP AIR PORTUGAL deals on Boston to Madrid flight tickets

Iberia flights from Boston to Madrid

Our best Iberia deals on Boston to Madrid flight tickets

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How to get the cheapest flight ticket from Boston to Madrid

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 Madrid?

The month of October is, on average, the cheapest month to fly to Madrid from Boston, with most prices found around $480. If you don’t want to visit Madrid in October, then you should wait until September to fly from Boston, when ticket prices are also cheap, with an average price of $498.

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

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

What is the cheapest Boston Logan Intl to Madrid Barajas flight route?

Fly from Boston Logan Intl to Madrid Barajas for the best Boston Logan Intl - Madrid Barajas flight prices

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

What cabin class options are available on Boston Logan Intl to Madrid Barajas flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Madrid Barajas 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 Madrid flight prices changed over time?

As of November 2025, prices for Boston to Madrid flights are approximately 13% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Boston Logan Intl to Madrid Barajas?

TAP AIR PORTUGAL is the most popular carrier operating from Boston Logan Intl to Madrid Barajas

What airlines fly to Madrid?

How often are flights from Boston to Madrid delayed?

Historically, on average around 9% of flights between Boston and Madrid have experienced a delay on any given week. The average delay length over the past 12 months has been 146 minutes.

What is the most punctual flight time for Boston to Madrid 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. Thursday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Iberia have had the least number of delays on this route over the last 12 months; with about 6% of their flights experiencing any sort of delay.

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

Lisbon (LIS) was the most common stop: 48% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Barcelona (BCN) offer the lowest average round-trip price of $2.

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

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 9h 35m.

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

Amsterdam (AMS) has the shortest average layover time for this route: 1h 35m.

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

The number of flights available between Boston and Madrid is 3 per day as of November 2025. The most frequent departure time is 9:00PM, with 77% of daily flights leaving in the evening.

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

27 flights are operational weekly from Boston to Madrid as of November 2025. The most popular departure day for this route is Mon, with 22% of flights per week taking off on this day.

When to book flights from Boston to Madrid

Cheap Boston to Madrid (BOS to MAD) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Madrid

How far is Boston Logan Intl to Madrid Barajas by plane?

When did momondo last update prices for flights from Boston Logan Intl Airport to Madrid Barajas Airport?

How many operators does momondo search for flights from Boston Logan Intl Airport to Madrid Barajas Airport?

How old do you have to be to fly from Boston Logan Intl Airport to Madrid Barajas Airport?

What documentation or ID do you need to fly to Madrid Barajas Airport?

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

What is the most popular airline from Boston to Madrid?

Best airlines flying from Boston to Madrid

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

Finnair Flights From Boston to Madrid

American Airlines Flights From Boston to Madrid

Traveling to a place near Madrid?

Why use momondo?

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

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