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Cheap flights from Boston to Barcelona from $210

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 1/17. 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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Cheap round-trip flights

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Multiple Airlines Logo
5:30 am - 9:35 amBOS-BCN
22h 05m1 stop
Multiple Airlines Logo
1:35 pm - 2:52 pmBCN-BOS
31h 17m1 stop
$426Multiple Airlines
Find Deal
Mon, Jan 12 - Mon, Jan 26
Multiple Airlines Logo
5:30 am - 9:35 amBOS-BCN
22h 05m1 stop
Multiple Airlines Logo
1:35 pm - 9:32 amBCN-BOS
25h 57m1 stop
$427Multiple Airlines
Find Deal
Wed, Feb 11 - Mon, Feb 16
TAP AIR PORTUGAL Logo
6:05 pm - 11:45 amBOS-BCN
11h 40m1 stop
TAP AIR PORTUGAL Logo
10:55 am - 2:45 pmBCN-BOS
33h 50m1 stop
$428TAP AIR PORTUGAL
Find Deal
Tue, Dec 2 - Mon, Dec 8
TAP AIR PORTUGAL Logo
6:05 pm - 10:05 amBOS-BCN
10h 00m1 stop
TAP AIR PORTUGAL Logo
6:45 am - 2:35 pmBCN-BOS
13h 50m1 stop
$433TAP AIR PORTUGAL
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Tue, Dec 2 - Sun, Dec 7
Multiple Airlines Logo
9:15 pm - 8:35 pmBOS-BCN
17h 20m1 stop
Multiple Airlines Logo
5:45 am - 1:55 pmBCN-BOS
14h 10m1 stop
$434Multiple Airlines
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Sun, Jan 11 - Sat, Jan 17
Multiple Airlines Logo
1:00 pm - 8:35 pmBOS-BCN
25h 35m2 stops
Multiple Airlines Logo
5:45 am - 6:02 pmBCN-BOS
18h 17m2 stops
$435Multiple Airlines
Find Deal
Sun, Jan 11 - Sat, Jan 17
Multiple Airlines Logo
1:00 pm - 8:35 pmBOS-BCN
25h 35m2 stops
Multiple Airlines Logo
5:45 am - 6:02 pmBCN-BOS
18h 17m2 stops
$436Multiple Airlines
Find Deal
Sun, Jan 11 - Sat, Jan 17
Aer Lingus Logo
5:10 pm - 10:50 amBOS-BCN
11h 40m1 stop
Aer Lingus Logo
11:30 am - 6:59 pmBCN-BOS
13h 29m1 stop
$437Aer Lingus
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Tue, Jan 13 - Thu, Jan 22
LEVEL Logo
10:40 pm - 11:55 amBOS-BCN
7h 15mnonstop
LEVEL Logo
6:10 pm - 8:55 pmBCN-BOS
8h 45mnonstop
$438LEVEL
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Sat, Feb 28 - Sat, Mar 7
Aer Lingus Logo
5:10 pm - 10:50 amBOS-BCN
11h 40m1 stop
Aer Lingus Logo
11:30 am - 6:59 pmBCN-BOS
13h 29m1 stop
$439Aer Lingus
Find Deal
Wed, Jan 14 - Sat, Jan 24

Scandinavian Airlines flights from Boston to Barcelona

Our best Scandinavian Airlines deals on Boston to Barcelona flight tickets
Scandinavian Airlines
Apr 26
BOS8:45 pmBoston Logan Intl
39h 25m
2 stops
BCN6:10 pmBarcelona-El Prat
Apr 30
BCN12:25 pmBarcelona-El Prat
33h 10m
1 stop
BOS3:35 pmBoston Logan Intl
$433
Find similar
Scandinavian Airlines
Apr 14
BOS5:40 pmBoston Logan Intl
18h 30m
1 stop
BCN6:10 pmBarcelona-El Prat
Apr 30
BCN12:25 pmBarcelona-El Prat
33h 10m
1 stop
BOS3:35 pmBoston Logan Intl
$445
Find similar
Scandinavian Airlines
Feb 3
BOS1:00 pmBoston Logan Intl
23h 05m
2 stops
BCN6:05 pmBarcelona-El Prat
Feb 10
BCN7:10 pmBarcelona-El Prat
33h 21m
2 stops
BOS10:31 pmBoston Logan Intl
$478
Find similar

LEVEL flights from Boston to Barcelona

Our best LEVEL deals on Boston to Barcelona flight tickets
LEVEL
Apr 25
BOS10:50 pmBoston Logan Intl
7h 25m
BCN12:15 pmBarcelona-El Prat
Apr 30
BCN6:30 pmBarcelona-El Prat
8h 35m
BOS9:05 pmBoston Logan Intl
$437
Find similar
LEVEL
Feb 28
BOS10:40 pmBoston Logan Intl
7h 15m
BCN11:55 amBarcelona-El Prat
Mar 7
BCN6:10 pmBarcelona-El Prat
8h 45m
BOS8:55 pmBoston Logan Intl
$438
Find similar
LEVEL
Mar 5
BOS10:40 pmBoston Logan Intl
7h 15m
BCN11:55 amBarcelona-El Prat
Mar 9
BCN6:10 pmBarcelona-El Prat
8h 45m
BOS9:55 pmBoston Logan Intl
$457
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momondo Fare Finder

 
Customize your flight search to find flights from Boston to Barcelona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 18, 2025.
Use the filters below to find and compare flights from Boston to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Mon 1/12

5:30 am-9:35 am

1 stop22h 05m

Barcelona-El Prat

Mon 1/26

1:35 pm-2:52 pm

1 stop31h 17m

$426

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Wed 2/11

5:30 am-9:35 am

1 stop22h 05m

Barcelona-El Prat

Mon 2/16

1:35 pm-9:32 am

1 stop25h 57m

$427

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Tue 12/2

6:05 pm-11:45 am

1 stop11h 40m

Barcelona-El Prat

Mon 12/8

10:55 am-2:45 pm

1 stop33h 50m

$428

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Tue 12/2

6:05 pm-10:05 am

1 stop10h 00m

Barcelona-El Prat

Sun 12/7

6:45 am-2:35 pm

1 stop13h 50m

$433

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 1/11

9:15 pm-8:35 pm

1 stop17h 20m

Barcelona-El Prat

Sat 1/17

5:45 am-1:55 pm

1 stop14h 10m

$434

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 1/11

1:00 pm-8:35 pm

2 stops25h 35m

Barcelona-El Prat

Sat 1/17

5:45 am-6:02 pm

2 stops18h 17m

$435

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 1/11

1:00 pm-8:35 pm

2 stops25h 35m

Barcelona-El Prat

Sat 1/17

5:45 am-6:02 pm

2 stops18h 17m

$436

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Tue 1/13

5:10 pm-10:50 am

1 stop11h 40m

Barcelona-El Prat

Thu 1/22

11:30 am-6:59 pm

1 stop13h 29m

$437

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sat 2/28

10:40 pm-11:55 am

Nonstop7h 15m

Barcelona-El Prat

Sat 3/7

6:10 pm-8:55 pm

Nonstop8h 45m

$438

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Wed 1/14

5:10 pm-10:50 am

1 stop11h 40m

Barcelona-El Prat

Sat 1/24

11:30 am-6:59 pm

1 stop13h 29m

$439

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Boston to Barcelona

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?

What is the cheapest month to fly to Barcelona?

The month of September is, on average, the cheapest month to fly to Barcelona from Boston, with most prices found around $474. If you don’t want to visit Barcelona in September, then you should wait until October to fly from Boston, when ticket prices are also cheap, with an average price of $486.

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

The cheapest day to depart from Boston to Barcelona is on a Monday when prices can be found for as low as $545. On the other hand, Friday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $675.

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

In the evening is the cheapest time of day to fly from Boston to Barcelona when you can find flight prices for as low as $598. Flying to Barcelona in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $830 on average. Flights to Barcelona 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 flight route?

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

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

You are more likely to see cheaper flights to Barcelona from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona 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 from Boston for as low as $475 on momondo.

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

There are 3 cabin classes available to choose from on Boston Logan Intl to Barcelona flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Boston to Barcelona flight deals and tips

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

Fastest flight time

7h 15m

Direct flights

Mon, Tue, Wed, Fri and Sun

Airports in Barcelona

1 airport
The fastest flight from Boston to Barcelona takes 7h 15m
Direct flights go from Boston to Barcelona on Monday, Tuesday, Wednesday, Friday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Barcelona: Barcelona-El Prat (BCN)
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  • How far is Boston Logan Intl to Barcelona by plane?

    Boston Logan Intl and Barcelona are 3641.9 mi apart from one another. A reasonable flight in good conditions will take 7h 15m.

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

    Prices for flights from Boston Logan Intl Airport to Barcelona are updated daily.

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

  • How old do you have to be to fly from Boston Logan Intl Airport to Barcelona?

    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 Barcelona.

  • What documentation or ID do you need to fly to Barcelona?

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

Best airlines flying from Boston to Barcelona

Compare and see reviews for airlines that fly from Boston to Barcelona with momondo
Airline
Rating
Free Cancellation
Price
Azores AirlinesPriceFrom $269Free CancellationRating
7.4
84 reviews
Search Azores Airlines flights
PLAYPriceFrom $309Free CancellationRating
7.0
103 reviews
Search PLAY flights
TAP AIR PORTUGALPriceFrom $334Free CancellationRating
7.1
2,066 reviews
Search TAP AIR PORTUGAL flights
LEVELPriceFrom $349Free CancellationRating
0.0
0 reviews
Search LEVEL flights
FinnairPriceFrom $349Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
IcelandairPriceFrom $355Free CancellationRating
7.0
580 reviews
Search Icelandair flights
Air CanadaPriceFrom $399Free CancellationRating
7.1
10,462 reviews
Search Air Canada flights
SWISSPriceFrom $409Free CancellationRating
7.5
1,788 reviews
Search SWISS flights
Air FrancePriceFrom $423Free CancellationRating
7.4
1,493 reviews
Search Air France flights
ITA AirwaysPriceFrom $429Free CancellationRating
6.7
1,086 reviews
Search ITA Airways flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Barcelona. momondo saves you time and could save you money on your trip.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from Boston.

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

Yes momondo offers price alerts on flights to Barcelona from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to Spain

Fly into one of these airports located in Barcelona

Airports listed have a maximum distance of 46.7 mi from Barcelona
Barcelona-El Prat Airport
Girona Costa Brava Airport