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Cheap flights from Boston to Barcelona from $211

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 2/9. 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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LEVEL Logo
10:40 pm - 11:55 amBOS-BCN
7h 15mnonstop
LEVEL Logo
6:30 pm - 9:05 pmBCN-BOS
8h 35mnonstop
$438LEVEL
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Thu, Jan 8 - Thu, Apr 30
Iberia Logo
10:40 pm - 11:55 amBOS-BCN
7h 15mnonstop
Iberia Logo
9:15 pm - 7:50 pmBCN-BOS
28h 35m1 stop
$439Iberia
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Thu, Jan 15 - Tue, Jan 20
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
$440Aer Lingus
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Mon, Jan 12 - Mon, Jan 26
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
$442TAP AIR PORTUGAL
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Tue, Nov 25 - Wed, Dec 10
Scandinavian Airlines Logo
1:50 pm - 6:20 pmBOS-BCN
22h 30m2 stops
Scandinavian Airlines Logo
7:35 pm - 3:35 pmBCN-BOS
26h 00m2 stops
$443Scandinavian Airlines
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Wed, Jan 7 - Fri, May 1
TAP AIR PORTUGAL Logo
10:45 pm - 11:45 pmBOS-BCN
19h 00m1 stop
TAP AIR PORTUGAL Logo
12:35 pm - 8:10 pmBCN-BOS
13h 35m1 stop
$444TAP AIR PORTUGAL
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Thu, Nov 27 - Thu, Dec 4
United Airlines Logo
7:30 am - 9:35 amBOS-BCN
20h 05m2 stops
United Airlines Logo
1:35 pm - 12:33 pmBCN-BOS
28h 58m2 stops
$445United Airlines
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Mon, Dec 1 - Thu, Dec 11
Iberia Logo
10:40 pm - 11:55 amBOS-BCN
7h 15mnonstop
Iberia Logo
6:10 pm - 9:55 pmBCN-BOS
8h 45mnonstop
$446Iberia
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Tue, Dec 30 - Thu, Mar 26
Iberia Logo
10:50 pm - 12:15 pmBOS-BCN
7h 25mnonstop
Iberia Logo
6:30 pm - 9:05 pmBCN-BOS
8h 35mnonstop
$447Iberia
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Wed, Apr 8 - Wed, Apr 15
Iberia Logo
11:40 pm - 11:55 amBOS-BCN
7h 15mnonstop
Iberia Logo
6:30 pm - 9:05 pmBCN-BOS
8h 35mnonstop
$448Iberia
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Thu, Mar 26 - Thu, Apr 2

Iberia flights from Boston to Barcelona

Our best Iberia deals on Boston to Barcelona flight tickets
Iberia
Jan 15
BOS10:40 pmBoston Logan Intl
7h 15m
BCN11:55 amBarcelona-El Prat
Jan 20
BCN9:15 pmBarcelona-El Prat
28h 35m
1 stop
BOS7:50 pmBoston Logan Intl
$439
Find similar
Iberia
Dec 30
BOS10:40 pmBoston Logan Intl
7h 15m
BCN11:55 amBarcelona-El Prat
Mar 24
BCN6:10 pmBarcelona-El Prat
8h 45m
BOS9:55 pmBoston Logan Intl
$446
Find similar
Iberia
Apr 8
BOS10:50 pmBoston Logan Intl
7h 25m
BCN12:15 pmBarcelona-El Prat
Apr 15
BCN6:30 pmBarcelona-El Prat
8h 35m
BOS9:05 pmBoston Logan Intl
$447
Find similar

Air Canada flights from Boston to Barcelona

Our best Air Canada deals on Boston to Barcelona flight tickets
Air Canada
Jan 20
BOS6:55 pmBoston Logan Intl
32h 40m
2 stops
BCN9:35 amBarcelona-El Prat
Jan 29
BCN1:35 pmBarcelona-El Prat
25h 57m
1 stop
BOS9:32 amBoston Logan Intl
$460
Find similar
Air Canada
Jan 12
BOS1:00 pmBoston Logan Intl
14h 35m
2 stops
BCN9:35 amBarcelona-El Prat
Jan 26
BCN1:35 pmBarcelona-El Prat
15h 02m
2 stops
BOS10:37 pmBoston Logan Intl
$474
Find similar
Air Canada
Feb 5
BOS6:55 pmBoston Logan Intl
32h 40m
2 stops
BCN9:35 amBarcelona-El Prat
Feb 9
BCN1:35 pmBarcelona-El Prat
26h 27m
2 stops
BOS10:02 amBoston Logan Intl
$482
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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 13, 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

Thu 1/8

10:40 pm-11:55 am

Nonstop7h 15m

Barcelona-El Prat

Thu 4/30

6:30 pm-9:05 pm

Nonstop8h 35m

$438

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Thu 1/15

10:40 pm-11:55 am

Nonstop7h 15m

Barcelona-El Prat

Tue 1/20

9:15 pm-7:50 pm

1 stop28h 35m

$439

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Mon 1/12

5:10 pm-10:50 am

1 stop11h 40m

Barcelona-El Prat

Mon 1/26

11:30 am-6:59 pm

1 stop13h 29m

$440

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Tue 11/25

6:05 pm-10:05 am

1 stop10h 00m

Barcelona-El Prat

Wed 12/10

6:45 am-2:35 pm

1 stop13h 50m

$442

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Wed 1/7

1:50 pm-6:20 pm

2 stops22h 30m

Barcelona-El Prat

Fri 5/1

7:35 pm-3:35 pm

2 stops26h 00m

$443

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Thu 11/27

10:45 pm-11:45 pm

1 stop19h 00m

Barcelona-El Prat

Thu 12/4

12:35 pm-8:10 pm

1 stop13h 35m

$444

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Mon 12/1

7:30 am-9:35 am

2 stops20h 05m

Barcelona-El Prat

Thu 12/11

1:35 pm-12:33 pm

2 stops28h 58m

$445

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Tue 12/30

10:40 pm-11:55 am

Nonstop7h 15m

Barcelona-El Prat

Thu 3/26

6:10 pm-9:55 pm

Nonstop8h 45m

$446

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Wed 4/8

10:50 pm-12:15 pm

Nonstop7h 25m

Barcelona-El Prat

Wed 4/15

6:30 pm-9:05 pm

Nonstop8h 35m

$447

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Thu 3/26

11:40 pm-11:55 am

Nonstop7h 15m

Barcelona-El Prat

Thu 4/2

6:30 pm-9:05 pm

Nonstop8h 35m

$448

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 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 $568 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 $473 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
2,059 reviews
Search TAP AIR PORTUGAL flights
LEVELPriceFrom $349Free CancellationRating
0.0
0 reviews
Search LEVEL flights
FinnairPriceFrom $349Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
IcelandairPriceFrom $355Free CancellationRating
7.1
578 reviews
Search Icelandair flights
Air CanadaPriceFrom $399Free CancellationRating
7.1
10,444 reviews
Search Air Canada flights
SWISSPriceFrom $409Free CancellationRating
7.5
1,784 reviews
Search SWISS flights
Air FrancePriceFrom $423Free CancellationRating
7.4
1,486 reviews
Search Air France flights
ITA AirwaysPriceFrom $429Free CancellationRating
6.7
1,082 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