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

TAP AIR PORTUGAL, JetBlue, and United Airlines are the most popular carriers operating from Boston Logan Intl to Madrid Barajas

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

89 flights are operational weekly from Boston to Madrid as of August 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

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 57% 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.

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

Flights via Barcelona (BCN) offer the lowest average round-trip price of $293.

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

The number of flights available between Boston and Madrid is 12 per day as of August 2025. The most frequent departure time is 4:00PM, with 53% of daily flights leaving in the evening.

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 42m.

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

Lisbon (LIS) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

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

Paris (CDG) has the shortest average layover time for this route: 1h 40m.

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 August 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.

$212 Cheap Flights from Boston to Madrid in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Boston to Madrid

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

10:40 am - 8:20 amBOS-MAD

15h 40m1 stop

12:30 pm - 1:25 pmMAD-BOS

30h 55m2 stops

$354United Airlines

Find Deal

Wed, Oct 8 - Thu, Oct 16

6:00 am - 6:40 amBOS-MAD

18h 40m1 stop

7:35 pm - 9:20 pmMAD-BOS

30h 45m1 stop

$355

Find Deal

Sun, Oct 19 - Mon, Oct 27

3:15 pm - 6:40 amBOS-MAD

9h 25m1 stop

12:45 pm - 5:55 pmMAD-BOS

11h 10m1 stop

$356Air Canada

Find Deal

Mon, Sep 8 - Wed, Sep 17

10:20 am - 6:40 amBOS-MAD

14h 20m1 stop

12:30 pm - 9:55 amMAD-BOS

27h 25m1 stop

$357Air Canada

Find Deal

Thu, Sep 18 - Thu, Sep 25

12:10 pm - 6:40 amBOS-MAD

12h 30m2 stops

12:45 pm - 2:30 pmMAD-BOS

31h 45m1 stop

$358

Find Deal

Tue, Oct 7 - Tue, Oct 14

9:20 pm - 10:30 amBOS-MAD

7h 10mnonstop

10:25 am - 6:49 pmMAD-BOS

14h 24m1 stop

$359Iberia

Find Deal

Mon, Sep 8 - Fri, Sep 19

11:40 pm - 4:15 pmBOS-MAD

10h 35m1 stop

5:30 pm - 7:50 pmMAD-BOS

8h 20mnonstop

$362Iberia

Find Deal

Tue, Sep 16 - Tue, Sep 23

4:30 pm - 5:40 amBOS-MAD

7h 10mnonstop

5:30 pm - 7:50 pmMAD-BOS

8h 20mnonstop

$365Finnair

Find Deal

Fri, Oct 3 - Fri, Oct 10

10:45 pm - 11:30 amBOS-MAD

6h 45mnonstop

1:30 pm - 3:38 pmMAD-BOS

8h 08mnonstop

$369JetBlue

Find Deal

Mon, Sep 8 - Wed, Sep 17

4:30 pm - 5:40 amBOS-MAD

7h 10mnonstop

5:30 pm - 7:50 pmMAD-BOS

8h 20mnonstop

$373Finnair

Find Deal

Thu, Oct 16 - Tue, Oct 21

Air Canada flights from Boston to Madrid

Our best Air Canada deals on Boston to Madrid flight tickets

Air Canada

Sep 8

BOS3:15 pmBoston Logan Intl

9h 25m

1 stop

MAD6:40 amMadrid Barajas

Sep 17

MAD12:45 pmMadrid Barajas

11h 10m

1 stop

BOS5:55 pmBoston Logan Intl

$356

Find similar

Air Canada

Sep 18

BOS10:20 amBoston Logan Intl

14h 20m

1 stop

MAD6:40 amMadrid Barajas

Sep 25

MAD12:30 pmMadrid Barajas

27h 25m

1 stop

BOS9:55 amBoston Logan Intl

$357

Find similar

Air Canada

Oct 4

BOS6:30 pmBoston Logan Intl

30h 10m

1 stop

MAD6:40 amMadrid Barajas

Oct 16

MAD12:30 pmMadrid Barajas

16h 09m

1 stop

BOS10:39 pmBoston Logan Intl

$360

Find similar

Finnair flights from Boston to Madrid

Our best Finnair deals on Boston to Madrid flight tickets

Finnair

Oct 3

BOS4:30 pmBoston Logan Intl

7h 10m

MAD5:40 amMadrid Barajas

Oct 10

MAD5:30 pmMadrid Barajas

8h 20m

BOS7:50 pmBoston Logan Intl

$365

Find similar

Finnair

Oct 16

BOS4:30 pmBoston Logan Intl

7h 10m

MAD5:40 amMadrid Barajas

Oct 21

MAD5:30 pmMadrid Barajas

8h 20m

BOS7:50 pmBoston Logan Intl

$373

Find similar

Finnair

Oct 1

BOS4:30 pmBoston Logan Intl

7h 10m

MAD5:40 amMadrid Barajas

Oct 7

MAD12:25 pmMadrid Barajas

15h 54m

1 stop

BOS10:19 pmBoston Logan Intl

$394

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 10/8

10:40 am-8:20 am

1 stop15h 40m

Madrid Barajas

Thu 10/16

12:30 pm-1:25 pm

2 stops30h 55m

$354

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sun 10/19

6:00 am-6:40 am

1 stop18h 40m

Madrid Barajas

Mon 10/27

7:35 pm-9:20 pm

1 stop30h 45m

$355

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Mon 9/8

3:15 pm-6:40 am

1 stop9h 25m

Madrid Barajas

Wed 9/17

12:45 pm-5:55 pm

1 stop11h 10m

$356

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Thu 9/18

10:20 am-6:40 am

1 stop14h 20m

Madrid Barajas

Thu 9/25

12:30 pm-9:55 am

1 stop27h 25m

$357

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 10/7

12:10 pm-6:40 am

2 stops12h 30m

Madrid Barajas

Tue 10/14

12:45 pm-2:30 pm

1 stop31h 45m

$358

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Mon 9/8

9:20 pm-10:30 am

Nonstop7h 10m

Madrid Barajas

Fri 9/19

10:25 am-6:49 pm

1 stop14h 24m

$359

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 9/16

11:40 pm-4:15 pm

1 stop10h 35m

Madrid Barajas

Tue 9/23

5:30 pm-7:50 pm

Nonstop8h 20m

$362

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Fri 10/3

4:30 pm-5:40 am

Nonstop7h 10m

Madrid Barajas

Fri 10/10

5:30 pm-7:50 pm

Nonstop8h 20m

$365

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Mon 9/8

10:45 pm-11:30 am

Nonstop6h 45m

Madrid Barajas

Wed 9/17

1:30 pm-3:38 pm

Nonstop8h 08m

$369

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Thu 10/16

4:30 pm-5:40 am

Nonstop7h 10m

Madrid Barajas

Tue 10/21

5:30 pm-7:50 pm

Nonstop8h 20m

$373

Flights are sorted by cheapest round-trip flights first.

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

Layovers

Other information

What is the cheapest month to fly to Madrid?

The month of January is, on average, the cheapest month to fly to Madrid from Boston, with most prices found around $579. If you don’t want to visit Madrid in January, then you should wait until October to fly from Boston, when ticket prices are also cheap, with an average price of $585.

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 $676. 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 $797.

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 $720 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 $687 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 $610 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.

Can stopping save me money on Boston to Madrid flights?

You could potentially save up to 24% on your flight if you consider stops on a Boston to Madrid flight.

How have Boston to Madrid flight prices changed over time?

As of August 2025, prices for Boston to Madrid flights are approximately 39% 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	$340
Fastest flight time	6h 45m
Direct flights	Every day
Airports in Madrid	1 airport

The best one-way flight to Madrid from Boston in the past 72 hours is $340. The best round-trip flight deal from Boston to Madrid found on momondo in the last 72 hours is $432.

The fastest flight from Boston to Madrid takes 6h 45m

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. 6h 45m 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 August 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 88.16% of all bookings. The subsequent popular models are Airbus A330-900neo at 2.72%, Airbus A320-100/200 at 2.35%, and Airbus A330 at 0.99%.
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 14%, British Airways at 11%, and American Airlines at 9%.

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 $308	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
Delta	PriceFrom $344	Free Cancellation	Rating 7.9 7,981 reviews	Search Delta flights
TAP AIR PORTUGAL	PriceFrom $352	Free Cancellation	Rating 7.1 1,959 reviews	Search TAP AIR PORTUGAL flights
Air France	PriceFrom $355	Free Cancellation	Rating 7.4 1,469 reviews	Search Air France flights
KLM	PriceFrom $361	Free Cancellation	Rating 7.8 1,388 reviews	Search KLM flights
Iberia	PriceFrom $371	Free Cancellation	Rating 7.0 2,884 reviews	Search Iberia flights
United Airlines	PriceFrom $378	Free Cancellation	Rating 7.4 8,930 reviews	Search United Airlines flights
Air Canada	PriceFrom $378	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Finnair	PriceFrom $380	Free Cancellation	Rating 7.6 1,320 reviews	Search Finnair flights
American Airlines	PriceFrom $399	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Finnair Flights From Boston to Madrid
The lowest priced Finnair flight from Boston to Madrid from the last 72 hours was $380. Generally, Finnair has 14 flights on this route every week with an average price of $631. 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 $399 round-trip, depending on your selected dates, with average American Airlines deals seen on momondo around $742. American Airlines operates 14 flights to Madrid from Boston in an average week. Users have rated it 7.2/10 across 10,000 reviews.

Toledo

Segovia

Getafe

Fuenlabrada

San Lorenzo de El Escorial

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.

An easier way to manage your Madrid 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 8/26

Tue 9/2

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Spain

Fly your favorite airline to Madrid

Popular cities in Spain

Flights to Barcelonafrom $288

Flights to Málagafrom $328

Flights to Palma de Mallorcafrom $324

Flights to Alicantefrom $322

Flights to Valenciafrom $348

Flights to Las Palmas de Gran Canariafrom $356

Flights to Ibizafrom $355

Flights to Santa Cruz de Tenerifefrom $419

Flights to Sevillefrom $347

Flights to Bilbaofrom $354

Flights to Puerto del Rosariofrom $651

Flights to Arrecifefrom $377

Cheap flights from Boston to Madrid from $212

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 10/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Boston to Madrid

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Air Canada flights from Boston to Madrid

Our best Air Canada deals on Boston to Madrid flight tickets

Finnair flights from Boston to Madrid

Our best Finnair deals on Boston to Madrid flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Boston to Madrid that are best for you.

See travel insights to Madrid from

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 January is, on average, the cheapest month to fly to Madrid from Boston, with most prices found around $579. If you don’t want to visit Madrid in January, then you should wait until October to fly from Boston, when ticket prices are also cheap, with an average price of $585.

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.

Can stopping save me money on Boston to Madrid flights?

You could potentially save up to 24% on your flight if you consider stops on a Boston to Madrid flight.

How have Boston to Madrid flight prices changed over time?

As of August 2025, prices for Boston to Madrid flights are approximately 39% 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, JetBlue, and United Airlines are the most popular carriers operating from Boston Logan Intl to Madrid Barajas

What airlines fly to Madrid?

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

Lisbon (LIS) was the most common stop: 50% 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 $293.

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 42m.

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

Paris (CDG) has the shortest average layover time for this route: 1h 40m.

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

The number of flights available between Boston and Madrid is 12 per day as of August 2025. The most frequent departure time is 4:00PM, with 53% of daily flights leaving in the evening.

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

89 flights are operational weekly from Boston to Madrid as of August 2025. The most popular departure day for this route is Mon, with 15% 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?

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

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

An easier way to manage your Madrid 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.