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Cheap flights from Boston to Barcelona from $226

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 1/28. 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

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
6:05 pm - 8:20 pm
BOS
-
BCN
20h 15m
1 stop
TAP AIR PORTUGAL Logo
10:55 am - 8:10 pm
BCN
-
BOS
15h 15m
1 stop
$381TAP AIR PORTUGAL
Thu, Jan 29 - Sun, Feb 1
TAP AIR PORTUGAL Logo
6:05 pm - 1:45 pm
BOS
-
BCN
13h 40m
1 stop
TAP AIR PORTUGAL Logo
9:10 pm - 2:35 pm
BCN
-
BOS
23h 25m
1 stop
$382TAP AIR PORTUGAL
Sat, Feb 21 - Sat, Mar 7
Icelandair Logo
11:30 pm - 2:45 pm
BOS
-
BCN
33h 15m
1 stop
Icelandair Logo
3:45 pm - 10:10 pm
BCN
-
BOS
12h 25m
1 stop
$385Icelandair
Fri, May 1 - Wed, May 6
Icelandair Logo
8:50 pm - 2:45 pm
BOS
-
BCN
11h 55m
1 stop
Icelandair Logo
3:45 pm - 10:10 pm
BCN
-
BOS
12h 25m
1 stop
$388Icelandair
Sun, Apr 12 - Sat, Apr 18
TAP AIR PORTUGAL Logo
10:45 pm - 8:20 pm
BOS
-
BCN
15h 35m
1 stop
TAP AIR PORTUGAL Logo
9:10 pm - 8:10 pm
BCN
-
BOS
29h 00m
1 stop
$389TAP AIR PORTUGAL
Thu, Feb 19 - Thu, Feb 26
Icelandair Logo
7:50 pm - 1:35 pm
BOS
-
BCN
11h 45m
1 stop
Icelandair Logo
11:50 am - 5:50 pm
BCN
-
BOS
12h 00m
1 stop
$390Icelandair
Fri, Jan 30 - Tue, Feb 10
TAP AIR PORTUGAL Logo
7:05 pm - 1:45 pm
BOS
-
BCN
13h 40m
1 stop
TAP AIR PORTUGAL Logo
6:05 pm - 3:35 pm
BCN
-
BOS
26h 30m
1 stop
$392TAP AIR PORTUGAL
Tue, Mar 10 - Tue, Mar 17
TAP AIR PORTUGAL Logo
6:05 pm - 10:05 am
BOS
-
BCN
10h 00m
1 stop
TAP AIR PORTUGAL Logo
6:45 am - 2:45 pm
BCN
-
BOS
14h 00m
1 stop
$393TAP AIR PORTUGAL
Sun, Feb 8 - Tue, Feb 17
TAP AIR PORTUGAL Logo
10:45 pm - 7:20 pm
BOS
-
BCN
14h 35m
1 stop
TAP AIR PORTUGAL Logo
3:00 pm - 8:45 pm
BCN
-
BOS
11h 45m
1 stop
$394TAP AIR PORTUGAL
Sun, Mar 29 - Sun, Apr 5
Multiple Airlines Logo
8:05 pm - 6:40 pm
BOS
-
GRO
16h 35m
2 stops
Multiple Airlines Logo
6:50 am - 3:40 pm
GRO
-
BOS
14h 50m
1 stop
$1,133Multiple Airlines
Fri, May 22 - Sun, May 31

TAP AIR PORTUGAL flights from Boston to Barcelona

Our best TAP AIR PORTUGAL deals on Boston to Barcelona flight tickets
TAP AIR PORTUGAL
Jan 29
BOS6:05 pmBoston Logan Intl
20h 15m
1 stop
BCN8:20 pmBarcelona-El Prat
Feb 1
BCN10:55 amBarcelona-El Prat
15h 15m
1 stop
BOS8:10 pmBoston Logan Intl
$381
TAP AIR PORTUGAL
Feb 21
BOS6:05 pmBoston Logan Intl
20h 15m
1 stop
BCN8:20 pmBarcelona-El Prat
Mar 1
BCN6:45 amBarcelona-El Prat
13h 50m
1 stop
BOS2:35 pmBoston Logan Intl
$382
TAP AIR PORTUGAL
Feb 21
BOS6:05 pmBoston Logan Intl
23h 40m
1 stop
BCN11:45 pmBarcelona-El Prat
Mar 2
BCN6:05 pmBarcelona-El Prat
26h 40m
1 stop
BOS2:45 pmBoston Logan Intl
$388

Icelandair flights from Boston to Barcelona

Our best Icelandair deals on Boston to Barcelona flight tickets
Icelandair
Apr 30
BOS11:30 pmBoston Logan Intl
33h 15m
1 stop
BCN2:45 pmBarcelona-El Prat
May 20
BCN3:45 pmBarcelona-El Prat
12h 25m
1 stop
BOS10:10 pmBoston Logan Intl
$385
Icelandair
Mar 4
BOS7:50 pmBoston Logan Intl
11h 45m
1 stop
BCN1:35 pmBarcelona-El Prat
Mar 10
BCN11:50 amBarcelona-El Prat
12h 00m
1 stop
BOS6:50 pmBoston Logan Intl
$390
Icelandair
Apr 24
BOS8:50 pmBoston Logan Intl
11h 55m
1 stop
BCN2:45 pmBarcelona-El Prat
May 4
BCN3:45 pmBarcelona-El Prat
12h 25m
1 stop
BOS10:10 pmBoston Logan Intl
$396

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 January 13, 2026.
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

Thu 1/29

6:05 pm-8:20 pm

1 stop20h 15m

Barcelona-El Prat

Sun 2/1

10:55 am-8:10 pm

1 stop15h 15m

$381

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sat 2/21

6:05 pm-1:45 pm

1 stop13h 40m

Barcelona-El Prat

Sat 3/7

9:10 pm-2:35 pm

1 stop23h 25m

$382

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Fri 5/1

11:30 pm-2:45 pm

1 stop33h 15m

Barcelona-El Prat

Wed 5/6

3:45 pm-10:10 pm

1 stop12h 25m

$385

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 4/12

8:50 pm-2:45 pm

1 stop11h 55m

Barcelona-El Prat

Sat 4/18

3:45 pm-10:10 pm

1 stop12h 25m

$388

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Thu 2/19

10:45 pm-8:20 pm

1 stop15h 35m

Barcelona-El Prat

Thu 2/26

9:10 pm-8:10 pm

1 stop29h 00m

$389

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Fri 1/30

7:50 pm-1:35 pm

1 stop11h 45m

Barcelona-El Prat

Tue 2/10

11:50 am-5:50 pm

1 stop12h 00m

$390

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Tue 3/10

7:05 pm-1:45 pm

1 stop13h 40m

Barcelona-El Prat

Tue 3/17

6:05 pm-3:35 pm

1 stop26h 30m

$392

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 2/8

6:05 pm-10:05 am

1 stop10h 00m

Barcelona-El Prat

Tue 2/17

6:45 am-2:45 pm

1 stop14h 00m

$393

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 3/29

10:45 pm-7:20 pm

1 stop14h 35m

Barcelona-El Prat

Sun 4/5

3:00 pm-8:45 pm

1 stop11h 45m

$394

BostonGirona

BOS - GRO

BOSGRO

Boston Logan Intl

Fri 5/22

8:05 pm-6:40 pm

2 stops16h 35m

Girona Costa Brava

Sun 5/31

6:50 am-3:40 pm

1 stop14h 50m

$1,133

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Barcelona from

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 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 $473. If you don’t want to visit Barcelona in September, then you should wait until January to fly from Boston, when ticket prices are also cheap, with an average price of $475.

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 $546. 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 $667.

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 in the afternoon when prices are $763 on average. Flights to Barcelona 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 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 $566 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 $496 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 10m

Direct flights

Every day

Airports in Barcelona

3 airports
The fastest flight from Boston to Barcelona takes 7h 10m
Direct flights go from Boston to Barcelona every day.
There are 3 airports in Barcelona. From Boston there are direct flights to Barcelona-El Prat (BCN).
Search flight deals

  • 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 10m.

  • 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
PLAYPriceFrom $308Free CancellationRating
7.0
103 reviews
Search PLAY flights
TAP AIR PORTUGALPriceFrom $329Free CancellationRating
7.1
2,119 reviews
Search TAP AIR PORTUGAL flights
LEVELPriceFrom $347Free CancellationRating
0.0
0 reviews
Search LEVEL flights
FinnairPriceFrom $349Free CancellationRating
7.6
1,348 reviews
Search Finnair flights
IcelandairPriceFrom $353Free CancellationRating
7.1
596 reviews
Search Icelandair flights
SWISSPriceFrom $393Free CancellationRating
7.5
1,847 reviews
Search SWISS flights
Air CanadaPriceFrom $399Free CancellationRating
7.1
10,619 reviews
Search Air Canada flights
Air FrancePriceFrom $424Free CancellationRating
7.4
1,522 reviews
Search Air France flights
ITA AirwaysPriceFrom $429Free CancellationRating
6.7
1,128 reviews
Search ITA Airways flights
Scandinavian AirlinesPriceFrom $442Free CancellationRating
7.3
1,649 reviews
Search Scandinavian Airlines 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