What is the cheapest airline that flies from Boston Logan Intl to Barcelona-El Prat?

Iberia, LEVEL, and TAP AIR PORTUGAL are the most popular carriers operating from Boston Logan Intl to Barcelona-El Prat

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

According to our data, Iberia have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

How often are flights from Boston to Barcelona delayed?

Historically, on average around 9% of flights between Boston and Barcelona have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

Which layover airport has the shortest connection time from Boston to Barcelona-El Prat Airport?

Zurich (ZRH) has the shortest average layover time for this route: 1h 39m.

Which airport is the most popular layover for flights between Boston and Barcelona-El Prat Airport?

Zurich (ZRH) was the most common stop: 36% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Boston to Barcelona-El Prat Airport?

Flights via Paris (CDG) offer the lowest average round-trip price of $406.

Which layover airport has the shortest travel time from Boston to Barcelona-El Prat Airport?

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 9h 40m.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon 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. Saturday has historically seen more delays on average compared to the rest of the week.

What airlines fly to Barcelona-El Prat Airport?

Iberia, LEVEL and Vueling are the top three most popular airlines that fly to Barcelona-El Prat Airport from Boston according to our data. Iberia is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Barcelona-El Prat Airport. Keep in mind that there are 23 different airlines that fly to Barcelona-El Prat Airport on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Boston Logan Intl Airport to Barcelona-El Prat Airport?

Prices for flights from Boston Logan Intl Airport to Barcelona-El Prat Airport refresh daily.

How many operators does momondo search for flights from Boston Logan Intl Airport to Barcelona-El Prat Airport?

The number of operators available for flights from Boston Logan Intl Airport to Barcelona-El Prat Airport is 23 as of October 2025.

How old do you have to be to fly from Boston Logan Intl Airport to Barcelona-El Prat Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Barcelona-El Prat Airport.

What documentation or ID do you need to fly to Barcelona-El Prat Airport?

The necessary travel and health documents for your Barcelona-El Prat Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$224 Cheap Flights from Boston to Barcelona-El Prat Airport in 2025/26

Q: What is the typical price of a round-trip flight between Boston and Barcelona-El Prat Airport?

Prices are currently typical for flights on this route. Typical prices usually range from $402 to $631. The lowest price recently found on this route was $420.

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:40 pm - 11:55 amBOS-BCN

7h 15mnonstop

6:40 am - 3:15 pmBCN-BOS

14h 35m1 stop

$420Iberia

Find Deal

Mon, Dec 1 - Tue, Dec 9

9:20 pm - 8:25 pmBOS-BCN

17h 05m1 stop

11:30 am - 6:55 pmBCN-BOS

13h 25m1 stop

$421Aer Lingus

Find Deal

Wed, Dec 10 - Wed, Dec 17

5:10 pm - 10:50 amBOS-BCN

11h 40m1 stop

11:30 am - 6:55 pmBCN-BOS

13h 25m1 stop

$422Aer Lingus

Find Deal

Tue, Nov 18 - Sun, Nov 23

3:35 pm - 9:00 amBOS-BCN

11h 25m1 stop

6:40 am - 9:55 pmBCN-BOS

21h 15m1 stop

$424British Airways

Find Deal

Sun, Nov 16 - Tue, Nov 18

8:50 pm - 1:15 pmBOS-BCN

10h 25m1 stop

11:50 am - 5:50 pmBCN-BOS

12h 00m1 stop

$425Icelandair

Find Deal

Sun, Nov 16 - Fri, Nov 21

10:45 pm - 11:45 pmBOS-BCN

19h 00m1 stop

6:45 am - 8:10 pmBCN-BOS

19h 25m1 stop

$426TAP AIR PORTUGAL

Find Deal

Thu, Nov 13 - Thu, Nov 20

10:25 pm - 5:15 pmBOS-BCN

12h 50m1 stop

10:55 am - 8:10 pmBCN-BOS

15h 15m1 stop

$434TAP AIR PORTUGAL

Find Deal

Sat, Jan 10 - Fri, Jan 16

7:50 pm - 1:40 pmBOS-BCN

11h 50m1 stop

11:50 am - 5:50 pmBCN-BOS

12h 00m1 stop

$437Icelandair

Find Deal

Wed, Nov 19 - Tue, Nov 25

5:30 am - 9:35 amBOS-BCN

22h 05m1 stop

1:35 pm - 5:19 pmBCN-BOS

33h 44m2 stops

$440United Airlines

Find Deal

Wed, Dec 10 - Thu, Jan 22

6:00 am - 10:45 amBOS-BCN

22h 45m2 stops

1:35 pm - 2:17 pmBCN-BOS

30h 42m2 stops

$445United Airlines

Find Deal

Sun, Dec 7 - Thu, Jan 22

Iberia flights from Boston to Barcelona-El Prat Airport

Our best Iberia deals on Boston to Barcelona-El Prat Airport flight tickets

Iberia

Dec 1

BOS10:40 pmBoston Logan Intl

7h 15m

BCN11:55 amBarcelona-El Prat

Dec 9

BCN6:40 amBarcelona-El Prat

14h 35m

1 stop

BOS3:15 pmBoston Logan Intl

$420

Find similar

Iberia

Dec 1

BOS10:40 pmBoston Logan Intl

7h 15m

BCN11:55 amBarcelona-El Prat

Dec 6

BCN6:10 pmBarcelona-El Prat

8h 45m

BOS8:55 pmBoston Logan Intl

$423

Find similar

Iberia

Dec 4

BOS10:40 pmBoston Logan Intl

7h 15m

BCN11:55 amBarcelona-El Prat

Dec 11

BCN8:50 amBarcelona-El Prat

12h 25m

1 stop

BOS3:15 pmBoston Logan Intl

$427

Find similar

Aer Lingus flights from Boston to Barcelona-El Prat Airport

Our best Aer Lingus deals on Boston to Barcelona-El Prat Airport flight tickets

Aer Lingus

Dec 10

BOS9:20 pmBoston Logan Intl

17h 05m

1 stop

BCN8:25 pmBarcelona-El Prat

Dec 17

BCN11:30 amBarcelona-El Prat

13h 25m

1 stop

BOS6:55 pmBoston Logan Intl

$421

Find similar

Aer Lingus

Nov 18

BOS5:10 pmBoston Logan Intl

11h 40m

1 stop

BCN10:50 amBarcelona-El Prat

Nov 23

BCN11:30 amBarcelona-El Prat

13h 25m

1 stop

BOS6:55 pmBoston Logan Intl

$422

Find similar

Aer Lingus

Nov 8

BOS5:10 pmBoston Logan Intl

11h 40m

1 stop

BCN10:50 amBarcelona-El Prat

Nov 22

BCN11:30 amBarcelona-El Prat

13h 25m

1 stop

BOS6:55 pmBoston Logan Intl

$431

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Boston to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Mon 12/1

10:40 pm-11:55 am

Nonstop7h 15m

Barcelona-El Prat

Tue 12/9

6:40 am-3:15 pm

1 stop14h 35m

$420

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Wed 12/10

9:20 pm-8:25 pm

1 stop17h 05m

Barcelona-El Prat

Wed 12/17

11:30 am-6:55 pm

1 stop13h 25m

$421

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Tue 11/18

5:10 pm-10:50 am

1 stop11h 40m

Barcelona-El Prat

Sun 11/23

11:30 am-6:55 pm

1 stop13h 25m

$422

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 11/16

3:35 pm-9:00 am

1 stop11h 25m

Barcelona-El Prat

Tue 11/18

6:40 am-9:55 pm

1 stop21h 15m

$424

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 11/16

8:50 pm-1:15 pm

1 stop10h 25m

Barcelona-El Prat

Fri 11/21

11:50 am-5:50 pm

1 stop12h 00m

$425

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Thu 11/13

10:45 pm-11:45 pm

1 stop19h 00m

Barcelona-El Prat

Thu 11/20

6:45 am-8:10 pm

1 stop19h 25m

$426

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sat 1/10

10:25 pm-5:15 pm

1 stop12h 50m

Barcelona-El Prat

Fri 1/16

10:55 am-8:10 pm

1 stop15h 15m

$434

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Wed 11/19

7:50 pm-1:40 pm

1 stop11h 50m

Barcelona-El Prat

Tue 11/25

11:50 am-5:50 pm

1 stop12h 00m

$437

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Wed 12/10

5:30 am-9:35 am

1 stop22h 05m

Barcelona-El Prat

Thu 1/22

1:35 pm-5:19 pm

2 stops33h 44m

$440

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 12/7

6:00 am-10:45 am

2 stops22h 45m

Barcelona-El Prat

Thu 1/22

1:35 pm-2:17 pm

2 stops30h 42m

$445

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 Barcelona-El Prat Airport

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 typical price of a round-trip flight between Boston and Barcelona-El Prat Airport?

What is the cheapest month to fly to Barcelona-El Prat Airport?

The cheapest month to fly to Barcelona-El Prat Airport from Boston is in September. Flight prices, which tend to average around $474, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Barcelona-El Prat Airport from Boston during January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in September, still average around $482.

What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Monday when prices can be found for as low as $546. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $676. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?

Flying to Barcelona-El Prat Airport from Boston in the evening is the least expensive time of day to depart. momondo users have found prices as low as $596 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $830 on average. Flights to Barcelona-El Prat Airport from Boston at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Boston Logan Intl to Barcelona-El Prat flight route?

Fly from Boston Logan Intl to Barcelona-El Prat for the best Boston Logan Intl - Barcelona-El Prat flight prices

How far in advance should I book a flight to Barcelona-El Prat Airport?

You are more likely to see cheaper flights to Barcelona-El Prat Airport from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $567 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from Boston for as low as $472 on momondo.

What cabin class options are available on Boston Logan Intl to Barcelona-El Prat flights?

There are 3 cabin classes available to choose from on Boston Logan Intl to Barcelona-El Prat 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 Barcelona-El Prat Airport flight prices changed over time?

As of October 2025, prices for Boston to Barcelona-El Prat Airport flights are approximately 33% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Barcelona-El Prat Airport

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

Estimated round-trip price

Cheap Boston to Barcelona-El Prat Airport (BOS to BCN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Barcelona-El Prat Airport

Best Price Found	$259
Fastest flight time	7h 15m
Direct flights	Mon, Tue, Wed, Fri and Sun

The best one-way flight to Barcelona-El Prat Airport from Boston in the past 72 hours is $259. The best round-trip flight deal from Boston to Barcelona-El Prat Airport found on momondo in the last 72 hours is $518.

The fastest flight from Boston to Barcelona-El Prat Airport takes 7h 15m

Direct flights go from Boston to Barcelona-El Prat Airport on Monday, Tuesday, Wednesday, Friday and Sunday. There are no airlines offering direct flights.

Search flight deals

How far is Boston Logan Intl to Barcelona-El Prat by plane?
There are 3640.3 mi between Boston Logan Intl and Barcelona-El Prat. Typically, this will take 7h 15m by plane in normal conditions.
When did momondo last update prices for flights from Boston Logan Intl Airport to Barcelona-El Prat Airport?
Prices for flights from Boston Logan Intl Airport to Barcelona-El Prat Airport refresh daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to Barcelona-El Prat Airport?
The number of operators available for flights from Boston Logan Intl Airport to Barcelona-El Prat Airport is 23 as of October 2025.
How old do you have to be to fly from Boston Logan Intl Airport to Barcelona-El Prat Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Barcelona-El Prat Airport.
What documentation or ID do you need to fly to Barcelona-El Prat Airport?
The necessary travel and health documents for your Barcelona-El Prat Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Boston to Barcelona-El Prat Airport?
momondo data reveals that the most frequently booked plane model on the route from Boston to Barcelona-El Prat Airport is Airbus A330-200, representing 59.48% of all bookings. The subsequent popular models are Airbus A330 at 15.23%, Airbus A330-900neo at 14.92%, and Airbus A321neo at 4.89%.
What is the most popular airline from Boston to Barcelona-El Prat Airport?
momondo data reveals that the most frequently booked airline on the route from Boston to Barcelona-El Prat Airport is Iberia, representing 30% of all bookings. The subsequent popular airlines are LEVEL at 26%, Vueling at 13%, and TAP AIR PORTUGAL at 5%.

Best airlines flying from Boston to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from Boston to Barcelona-El Prat Airport with momondo

Airline	Rating	Free Cancellation	Price
Azores Airlines	PriceFrom $269	Free Cancellation	Rating 7.4 82 reviews	Search Azores Airlines flights
PLAY	PriceFrom $309	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
TAP AIR PORTUGAL	PriceFrom $334	Free Cancellation	Rating 7.1 2,033 reviews	Search TAP AIR PORTUGAL flights
Finnair	PriceFrom $349	Free Cancellation	Rating 7.6 1,333 reviews	Search Finnair flights
LEVEL	PriceFrom $350	Free Cancellation	Rating 0.0 0 reviews	Search LEVEL flights
Icelandair	PriceFrom $355	Free Cancellation	Rating 7.1 562 reviews	Search Icelandair flights
Air Canada	PriceFrom $399	Free Cancellation	Rating 7.1 10,365 reviews	Search Air Canada flights
SWISS	PriceFrom $409	Free Cancellation	Rating 7.5 1,773 reviews	Search SWISS flights
Air France	PriceFrom $423	Free Cancellation	Rating 7.4 1,479 reviews	Search Air France flights
ITA Airways	PriceFrom $429	Free Cancellation	Rating 6.7 1,077 reviews	Search ITA Airways flights

Lloret de Mar

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Salou

Tossa de Mar

Castelldefels

El Prat de Llobregat

L'Hospitalet de Llobregat

Tarragona

Santa Susanna

Cambrils

Cadaques

Empuriabrava

Badalona

Pineda de Mar

Roses

Calella

Pals

Palafrugell

Tortosa

Malgrat de Mar

Why use momondo?

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

It is quick and easy to find Boston to Barcelona flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Barcelona that suits you.

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

Flights from Boston to Barcelona with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Barcelona.

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

Price alerts on flights to Barcelona from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Barcelona-El Prat Airport trip

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Cheap flights from Boston to Barcelona 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 Barcelona departing on 11/26. 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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Iberia flights from Boston to Barcelona-El Prat Airport

Our best Iberia deals on Boston to Barcelona-El Prat Airport flight tickets

Aer Lingus flights from Boston to Barcelona-El Prat Airport

Our best Aer Lingus deals on Boston to Barcelona-El Prat Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Boston to Barcelona-El Prat Airport that are best for you.

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How to get the cheapest flight ticket from Boston to Barcelona-El Prat Airport

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 typical price of a round-trip flight between Boston and Barcelona-El Prat Airport?

What is the cheapest month to fly to Barcelona-El Prat Airport?

What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?

What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?

What is the cheapest Boston Logan Intl to Barcelona-El Prat flight route?

Fly from Boston Logan Intl to Barcelona-El Prat for the best Boston Logan Intl - Barcelona-El Prat flight prices

How far in advance should I book a flight to Barcelona-El Prat Airport?

What cabin class options are available on Boston Logan Intl to Barcelona-El Prat flights?

There are 3 cabin classes available to choose from on Boston Logan Intl to Barcelona-El Prat 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 Barcelona-El Prat Airport flight prices changed over time?

As of October 2025, prices for Boston to Barcelona-El Prat Airport flights are approximately 33% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Boston Logan Intl to Barcelona-El Prat?

Iberia, LEVEL, and TAP AIR PORTUGAL are the most popular carriers operating from Boston Logan Intl to Barcelona-El Prat

What airlines fly to Barcelona-El Prat Airport?

How often are flights from Boston to Barcelona delayed?

Historically, on average around 9% of flights between Boston and Barcelona have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon 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. Saturday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Iberia have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

Which airport is the most popular layover for flights between Boston and Barcelona-El Prat Airport?

Zurich (ZRH) was the most common stop: 36% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Boston to Barcelona-El Prat Airport?

Flights via Paris (CDG) offer the lowest average round-trip price of $406.

Which layover airport has the shortest travel time from Boston to Barcelona-El Prat Airport?

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 9h 40m.

Which layover airport has the shortest connection time from Boston to Barcelona-El Prat Airport?

Zurich (ZRH) has the shortest average layover time for this route: 1h 39m.

When to book flights from Boston to Barcelona-El Prat Airport

Cheap Boston to Barcelona-El Prat Airport (BOS to BCN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Barcelona-El Prat Airport

Best Price Found

Fastest flight time

Direct flights

How far is Boston Logan Intl to Barcelona-El Prat by plane?

When did momondo last update prices for flights from Boston Logan Intl Airport to Barcelona-El Prat Airport?

How many operators does momondo search for flights from Boston Logan Intl Airport to Barcelona-El Prat Airport?

How old do you have to be to fly from Boston Logan Intl Airport to Barcelona-El Prat Airport?

What documentation or ID do you need to fly to Barcelona-El Prat Airport?

What is the most popular plane model from Boston to Barcelona-El Prat Airport?

What is the most popular airline from Boston to Barcelona-El Prat Airport?

Best airlines flying from Boston to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from Boston to Barcelona-El Prat Airport with momondo

Traveling to a place near Barcelona?

Why use momondo?

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

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

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

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

An easier way to manage your Barcelona-El Prat Airport 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.

Find better results for your trip to Barcelona