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Cheap flights from Boston to Barcelona from $178

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 10/22. 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

TAP AIR PORTUGAL Logo
10:20 pm - 4:55 pmBOS-BCN
12h 35m1 stop
TAP AIR PORTUGAL Logo
11:25 am - 8:05 pmBCN-BOS
14h 40m1 stop
$316TAP AIR PORTUGAL
Find Deal
Sun, Oct 5 - Tue, Oct 14
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
$322TAP AIR PORTUGAL
Find Deal
Tue, Nov 25 - Wed, Dec 3
TAP AIR PORTUGAL Logo
6:10 pm - 10:35 amBOS-BCN
10h 25m1 stop
TAP AIR PORTUGAL Logo
10:55 am - 9:10 pmBCN-BOS
15h 15m1 stop
$323TAP AIR PORTUGAL
Find Deal
Fri, Oct 17 - Sat, Nov 1
TAP AIR PORTUGAL Logo
10:45 pm - 8:20 pmBOS-BCN
15h 35m1 stop
TAP AIR PORTUGAL Logo
2:35 pm - 8:10 pmBCN-BOS
11h 35m1 stop
$325TAP AIR PORTUGAL
Find Deal
Sat, Nov 8 - Sat, Nov 15
LEVEL Logo
11:00 pm - 12:15 pmBOS-BCN
7h 15mnonstop
LEVEL Logo
6:10 pm - 9:55 pmBCN-BOS
8h 45mnonstop
$350LEVEL
Find Deal
Wed, Oct 22 - Tue, Oct 28
LEVEL Logo
11:55 pm - 1:10 pmBOS-BCN
7h 15mnonstop
LEVEL Logo
6:30 pm - 9:15 pmBCN-BOS
8h 45mnonstop
$388LEVEL
Find Deal
Sun, Oct 5 - Tue, Oct 14
British Airways Logo
7:25 am - 9:20 amBOS-BCN
19h 55m1 stop
British Airways Logo
2:00 pm - 8:35 pmBCN-BOS
12h 35m1 stop
$390British Airways
Find Deal
Wed, Oct 1 - Thu, Oct 2
Iberia Logo
11:00 pm - 12:15 pmBOS-BCN
7h 15mnonstop
Iberia Logo
6:10 pm - 9:55 pmBCN-BOS
8h 45mnonstop
$398Iberia
Find Deal
Thu, Oct 16 - Tue, Oct 28
Iberia Logo
11:55 pm - 1:10 pmBOS-BCN
7h 15mnonstop
Iberia Logo
7:25 pm - 10:10 pmBCN-BOS
8h 45mnonstop
$399Iberia
Find Deal
Sun, Oct 5 - Sun, Oct 12
Scandinavian Airlines Logo
5:35 pm - 6:20 pmBOS-BCN
18h 45m1 stop
Scandinavian Airlines Logo
2:45 pm - 3:50 pmBCN-BOS
31h 05m2 stops
$418Scandinavian Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 23

TAP AIR PORTUGAL flights from Boston to Barcelona

Our best TAP AIR PORTUGAL deals on Boston to Barcelona flight tickets
TAP AIR PORTUGAL
Oct 5
BOS10:20 pmBoston Logan Intl
12h 35m
1 stop
BCN4:55 pmBarcelona-El Prat
Oct 14
BCN11:25 amBarcelona-El Prat
14h 40m
1 stop
BOS8:05 pmBoston Logan Intl
$316
Find similar
TAP AIR PORTUGAL
Nov 25
BOS6:05 pmBoston Logan Intl
10h 00m
1 stop
BCN10:05 amBarcelona-El Prat
Dec 3
BCN6:45 amBarcelona-El Prat
13h 50m
1 stop
BOS2:35 pmBoston Logan Intl
$322
Find similar
TAP AIR PORTUGAL
Oct 17
BOS6:10 pmBoston Logan Intl
10h 25m
1 stop
BCN10:35 amBarcelona-El Prat
Nov 1
BCN10:55 amBarcelona-El Prat
15h 15m
1 stop
BOS9:10 pmBoston Logan Intl
$323
Find similar

LEVEL flights from Boston to Barcelona

Our best LEVEL deals on Boston to Barcelona flight tickets
LEVEL
Oct 22
BOS11:00 pmBoston Logan Intl
7h 15m
BCN12:15 pmBarcelona-El Prat
Oct 28
BCN6:10 pmBarcelona-El Prat
8h 45m
BOS9:55 pmBoston Logan Intl
$350
Find similar
LEVEL
Oct 5
BOS11:55 pmBoston Logan Intl
7h 15m
BCN1:10 pmBarcelona-El Prat
Oct 14
BCN6:30 pmBarcelona-El Prat
8h 45m
BOS9:15 pmBoston Logan Intl
$388
Find similar
LEVEL
Aug 21
BOS11:00 pmBoston Logan Intl
7h 15m
BCN12:15 pmBarcelona-El Prat
Sep 4
BCN6:30 pmBarcelona-El Prat
8h 45m
BOS9:15 pmBoston Logan Intl
$533
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 August 14, 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 10/5

10:20 pm-4:55 pm

1 stop12h 35m

Barcelona-El Prat

Tue 10/14

11:25 am-8:05 pm

1 stop14h 40m

$316

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Tue 11/25

6:05 pm-10:05 am

1 stop10h 00m

Barcelona-El Prat

Wed 12/3

6:45 am-2:35 pm

1 stop13h 50m

$322

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Fri 10/17

6:10 pm-10:35 am

1 stop10h 25m

Barcelona-El Prat

Sat 11/1

10:55 am-9:10 pm

1 stop15h 15m

$323

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sat 11/8

10:45 pm-8:20 pm

1 stop15h 35m

Barcelona-El Prat

Sat 11/15

2:35 pm-8:10 pm

1 stop11h 35m

$325

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Wed 10/22

11:00 pm-12:15 pm

Nonstop7h 15m

Barcelona-El Prat

Tue 10/28

6:10 pm-9:55 pm

Nonstop8h 45m

$350

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 10/5

11:55 pm-1:10 pm

Nonstop7h 15m

Barcelona-El Prat

Tue 10/14

6:30 pm-9:15 pm

Nonstop8h 45m

$388

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Wed 10/1

7:25 am-9:20 am

1 stop19h 55m

Barcelona-El Prat

Thu 10/2

2:00 pm-8:35 pm

1 stop12h 35m

$390

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Thu 10/16

11:00 pm-12:15 pm

Nonstop7h 15m

Barcelona-El Prat

Tue 10/28

6:10 pm-9:55 pm

Nonstop8h 45m

$398

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 10/5

11:55 pm-1:10 pm

Nonstop7h 15m

Barcelona-El Prat

Sun 10/12

7:25 pm-10:10 pm

Nonstop8h 45m

$399

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Thu 11/13

5:35 pm-6:20 pm

1 stop18h 45m

Barcelona-El Prat

Sun 11/23

2:45 pm-3:50 pm

2 stops31h 05m

$418

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 January is, on average, the cheapest month to fly to Barcelona from Boston, with most prices found around $475. If you don’t want to visit Barcelona in January, then you should wait until March to fly from Boston, when ticket prices are also cheap, with an average price of $484.

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

The cheapest day to depart from Boston to Barcelona is on a Tuesday when prices can be found for as low as $550. 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 $678.

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 $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 $470 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

Best Price Found

$178

Fastest flight time

7h 15m

Direct flights

Every day

Airports in Barcelona

2 airports
The best one-way flight to Barcelona from Boston in the past 72 hours is $178. The best round-trip flight deal from Boston to Barcelona found on momondo in the last 72 hours is $316.
The fastest flight from Boston to Barcelona takes 7h 15m
Direct flights go from Boston to Barcelona every day.
There are 2 airports near Barcelona: Girona Costa Brava (GRO), 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
Azores AirlinesPriceFrom $243Free CancellationRating
7.5
69 reviews
Search Azores Airlines flights
PLAYPriceFrom $308Free CancellationRating
7.0
103 reviews
Search PLAY flights
LEVELPriceFrom $327Free CancellationRating
0.0
0 reviews
Search LEVEL flights
FinnairPriceFrom $349Free CancellationRating
7.6
1,321 reviews
Search Finnair flights
TAP AIR PORTUGALPriceFrom $349Free CancellationRating
7.1
1,948 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $355Free CancellationRating
7.0
526 reviews
Search Icelandair flights
Air CanadaPriceFrom $405Free CancellationRating
7.1
9,949 reviews
Search Air Canada flights
SWISSPriceFrom $410Free CancellationRating
7.5
1,699 reviews
Search SWISS flights
Aer LingusPriceFrom $423Free CancellationRating
7.1
1,214 reviews
Search Aer Lingus flights
Air FrancePriceFrom $424Free CancellationRating
7.4
1,467 reviews
Search Air France 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