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Cheap flights from Boston to Barcelona from $209

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 4/20. 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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Find the cheapest flights from Boston to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
7:50 pm - 1:15 pm
BOS
-
BCN
11h 25m1 stop
Icelandair Logo
11:50 am - 5:50 pm
BCN
-
BOS
12h 00m1 stop
$382Icelandair
Sun, Jan 18 - Sun, Jan 25
Icelandair Logo
7:50 pm - 1:35 pm
BOS
-
BCN
11h 45m1 stop
Icelandair Logo
11:50 am - 5:50 pm
BCN
-
BOS
12h 00m1 stop
$385Icelandair
Fri, Jan 9 - Fri, Jan 16
LEVEL Logo
10:40 pm - 11:55 am
BOS
-
BCN
7h 15mnonstop
LEVEL Logo
6:10 pm - 8:55 pm
BCN
-
BOS
8h 45mnonstop
$387LEVEL
Sun, Jan 11 - Thu, Jan 29
LEVEL Logo
10:40 pm - 11:55 am
BOS
-
BCN
7h 15mnonstop
LEVEL Logo
6:10 pm - 8:55 pm
BCN
-
BOS
8h 45mnonstop
$388LEVEL
Sun, Jan 18 - Thu, Jan 29
Icelandair Logo
7:50 pm - 1:15 pm
BOS
-
BCN
11h 25m1 stop
Icelandair Logo
11:50 am - 5:50 pm
BCN
-
BOS
12h 00m1 stop
$389Icelandair
Sun, Jan 18 - Sun, Jan 25
TAP AIR PORTUGAL Logo
6:30 pm - 9:50 pm
BOS
-
BCN
21h 20m1 stop
TAP AIR PORTUGAL Logo
11:25 am - 8:05 pm
BCN
-
BOS
14h 40m1 stop
$392TAP AIR PORTUGAL
Tue, May 5 - Tue, May 12
TAP AIR PORTUGAL Logo
6:05 pm - 10:05 am
BOS
-
BCN
10h 00m1 stop
TAP AIR PORTUGAL Logo
10:55 am - 8:10 pm
BCN
-
BOS
15h 15m1 stop
$393TAP AIR PORTUGAL
Thu, Jan 22 - Thu, Jan 29
TAP AIR PORTUGAL Logo
6:05 pm - 11:45 am
BOS
-
BCN
11h 40m1 stop
TAP AIR PORTUGAL Logo
6:45 am - 8:10 pm
BCN
-
BOS
19h 25m1 stop
$394TAP AIR PORTUGAL
Thu, Jan 22 - Thu, Jan 29
TAP AIR PORTUGAL Logo
6:05 pm - 10:05 am
BOS
-
BCN
10h 00m1 stop
TAP AIR PORTUGAL Logo
2:35 pm - 8:10 pm
BCN
-
BOS
11h 35m1 stop
$395TAP AIR PORTUGAL
Thu, Jan 22 - Thu, Jan 29
TAP AIR PORTUGAL Logo
6:05 pm - 1:45 pm
BOS
-
BCN
13h 40m1 stop
TAP AIR PORTUGAL Logo
12:35 pm - 8:10 pm
BCN
-
BOS
13h 35m1 stop
$396TAP AIR PORTUGAL
Thu, Jan 22 - Sat, Jan 31

LEVEL flights from Boston to Barcelona

Our best LEVEL deals on Boston to Barcelona flight tickets
LEVEL
Jan 11
BOS10:40 pmBoston Logan Intl
7h 15m
BCN11:55 amBarcelona-El Prat
Jan 29
BCN6:10 pmBarcelona-El Prat
8h 45m
BOS8:55 pmBoston Logan Intl
$387
Find similar
LEVEL
Jan 18
BOS10:40 pmBoston Logan Intl
7h 15m
BCN11:55 amBarcelona-El Prat
Jan 29
BCN6:10 pmBarcelona-El Prat
8h 45m
BOS8:55 pmBoston Logan Intl
$388
Find similar
LEVEL
Apr 20
BOS10:50 pmBoston Logan Intl
7h 20m
BCN12:10 pmBarcelona-El Prat
Apr 23
BCN6:30 pmBarcelona-El Prat
8h 35m
BOS9:05 pmBoston Logan Intl
$405
Find similar

Icelandair flights from Boston to Barcelona

Our best Icelandair deals on Boston to Barcelona flight tickets
Icelandair
Jan 18
BOS7:50 pmBoston Logan Intl
11h 25m
1 stop
BCN1:15 pmBarcelona-El Prat
Jan 25
BCN11:50 amBarcelona-El Prat
12h 00m
1 stop
BOS5:50 pmBoston Logan Intl
$382
Find similar
Icelandair
Jan 9
BOS7:50 pmBoston Logan Intl
11h 45m
1 stop
BCN1:35 pmBarcelona-El Prat
Jan 16
BCN11:50 amBarcelona-El Prat
12h 00m
1 stop
BOS5:50 pmBoston Logan Intl
$385
Find similar
Icelandair
Jan 18
BOS7:50 pmBoston Logan Intl
11h 25m
1 stop
BCN1:15 pmBarcelona-El Prat
Jan 25
BCN11:50 amBarcelona-El Prat
12h 00m
1 stop
BOS5:50 pmBoston Logan Intl
$389
Find similar

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 December 23, 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

Sun 1/18

7:50 pm-1:15 pm

1 stop11h 25m

Barcelona-El Prat

Sun 1/25

11:50 am-5:50 pm

1 stop12h 00m

$382

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Fri 1/9

7:50 pm-1:35 pm

1 stop11h 45m

Barcelona-El Prat

Fri 1/16

11:50 am-5:50 pm

1 stop12h 00m

$385

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 1/11

10:40 pm-11:55 am

Nonstop7h 15m

Barcelona-El Prat

Thu 1/29

6:10 pm-8:55 pm

Nonstop8h 45m

$387

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 1/18

10:40 pm-11:55 am

Nonstop7h 15m

Barcelona-El Prat

Thu 1/29

6:10 pm-8:55 pm

Nonstop8h 45m

$388

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 1/18

7:50 pm-1:15 pm

1 stop11h 25m

Barcelona-El Prat

Sun 1/25

11:50 am-5:50 pm

1 stop12h 00m

$389

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Tue 5/5

6:30 pm-9:50 pm

1 stop21h 20m

Barcelona-El Prat

Tue 5/12

11:25 am-8:05 pm

1 stop14h 40m

$392

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Thu 1/22

6:05 pm-10:05 am

1 stop10h 00m

Barcelona-El Prat

Thu 1/29

10:55 am-8:10 pm

1 stop15h 15m

$393

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Thu 1/22

6:05 pm-11:45 am

1 stop11h 40m

Barcelona-El Prat

Thu 1/29

6:45 am-8:10 pm

1 stop19h 25m

$394

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Thu 1/22

6:05 pm-10:05 am

1 stop10h 00m

Barcelona-El Prat

Thu 1/29

2:35 pm-8:10 pm

1 stop11h 35m

$395

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Thu 1/22

6:05 pm-1:45 pm

1 stop13h 40m

Barcelona-El Prat

Sat 1/31

12:35 pm-8:10 pm

1 stop13h 35m

$396

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 $474. 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 $483.

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 $541. 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 $666.

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 $599. 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 $570 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 $495 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, Thu, Fri and Sun

Airports in Barcelona

3 airports
The fastest flight from Boston to Barcelona takes 7h 15m
Direct flights go from Boston to Barcelona on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday. There are no airlines offering direct flights.
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 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
PLAYPriceFrom $308Free CancellationRating
7.0
103 reviews
Search PLAY flights
TAP AIR PORTUGALPriceFrom $334Free CancellationRating
7.2
2,095 reviews
Search TAP AIR PORTUGAL flights
LEVELPriceFrom $343Free CancellationRating
0.0
0 reviews
Search LEVEL flights
FinnairPriceFrom $349Free CancellationRating
7.6
1,339 reviews
Search Finnair flights
IcelandairPriceFrom $355Free CancellationRating
7.0
592 reviews
Search Icelandair flights
JetBluePriceFrom $395Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
Air CanadaPriceFrom $399Free CancellationRating
7.1
10,551 reviews
Search Air Canada flights
SWISSPriceFrom $409Free CancellationRating
7.5
1,817 reviews
Search SWISS flights
Air FrancePriceFrom $424Free CancellationRating
7.4
1,513 reviews
Search Air France flights
ITA AirwaysPriceFrom $429Free CancellationRating
6.7
1,112 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