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Cheap flights from Boston to Barcelona from C$ 276

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 5/9. 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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Cheap round-trip flights

TAP AIR PORTUGAL Logo
6:05 p.m. - 10:05 a.m.BOS-BCN
10h 00m1 stop
TAP AIR PORTUGAL Logo
2:35 p.m. - 8:10 p.m.BCN-BOS
11h 35m1 stop
C$ 528TAP AIR PORTUGAL
Find Deal
dom., 9 nov. - sáb., 15 nov.
TAP AIR PORTUGAL Logo
6:05 p.m. - 10:05 a.m.BOS-BCN
10h 00m1 stop
TAP AIR PORTUGAL Logo
2:35 p.m. - 8:10 p.m.BCN-BOS
11h 35m1 stop
C$ 531TAP AIR PORTUGAL
Find Deal
dom., 9 nov. - sáb., 15 nov.
LEVEL Logo
11:00 p.m. - 12:15 p.m.BOS-BCN
7h 15mdirect
LEVEL Logo
6:30 p.m. - 9:15 p.m.BCN-BOS
8h 45mdirect
C$ 532LEVEL
Find Deal
sáb., 23 ago. - vie., 29 ago.
LEVEL Logo
11:00 p.m. - 12:15 p.m.BOS-BCN
7h 15mdirect
LEVEL Logo
6:30 p.m. - 9:15 p.m.BCN-BOS
8h 45mdirect
C$ 534LEVEL
Find Deal
sáb., 6 sep. - mar., 9 sep.
United Airlines Logo
6:40 p.m. - 7:50 a.m.BOS-BCN
31h 10m1 stop
United Airlines Logo
12:10 p.m. - 9:46 a.m.BCN-BOS
27h 36m2 stops
C$ 612United Airlines
Find Deal
dom., 17 ago. - mié., 3 sep.
Iberia Logo
11:00 p.m. - 12:15 p.m.BOS-BCN
7h 15mdirect
Iberia Logo
6:30 p.m. - 9:15 p.m.BCN-BOS
8h 45mdirect
C$ 617Iberia
Find Deal
sáb., 23 ago. - mié., 10 sep.
United Airlines Logo
3:20 p.m. - 7:50 a.m.BOS-BCN
10h 30m1 stop
United Airlines Logo
12:10 p.m. - 5:55 p.m.BCN-BOS
11h 45m1 stop
C$ 618United Airlines
Find Deal
lun., 25 ago. - jue., 4 sep.
Iberia Logo
11:00 p.m. - 12:15 p.m.BOS-BCN
7h 15mdirect
Iberia Logo
6:30 p.m. - 9:15 p.m.BCN-BOS
8h 45mdirect
C$ 621Iberia
Find Deal
sáb., 13 sep. - jue., 18 sep.
Scandinavian Airlines Logo
5:35 p.m. - 6:20 p.m.BOS-BCN
18h 45m1 stop
Scandinavian Airlines Logo
7:10 p.m. - 3:50 p.m.BCN-BOS
26h 40m1 stop
C$ 625Scandinavian Airlines
Find Deal
jue., 6 nov. - mié., 19 nov.
Scandinavian Airlines Logo
5:35 p.m. - 6:20 p.m.BOS-BCN
18h 45m1 stop
Scandinavian Airlines Logo
7:10 p.m. - 3:50 p.m.BCN-BOS
26h 40m1 stop
C$ 639Scandinavian Airlines
Find Deal
lun., 10 nov. - sáb., 15 nov.

Iberia flights from Boston to Barcelona-El Prat Airport

Our best Iberia deals on Boston to Barcelona-El Prat Airport flight tickets
Iberia
23 Aug
BOS11:00 p.m.Boston Logan Intl
7h 15m
BCN12:15 p.m.Barcelona-El Prat
10 Sep
BCN6:30 p.m.Barcelona-El Prat
8h 45m
BOS9:15 p.m.Boston Logan Intl
C$ 617
Find similar
Iberia
13 Sep
BOS11:00 p.m.Boston Logan Intl
7h 15m
BCN12:15 p.m.Barcelona-El Prat
18 Sep
BCN6:30 p.m.Barcelona-El Prat
8h 45m
BOS9:15 p.m.Boston Logan Intl
C$ 621
Find similar
Iberia
20 Aug
BOS11:00 p.m.Boston Logan Intl
7h 15m
BCN12:15 p.m.Barcelona-El Prat
28 Aug
BCN6:30 p.m.Barcelona-El Prat
8h 45m
BOS9:15 p.m.Boston Logan Intl
C$ 654
Find similar

LEVEL flights from Boston to Barcelona-El Prat Airport

Our best LEVEL deals on Boston to Barcelona-El Prat Airport flight tickets
LEVEL
23 Aug
BOS11:00 p.m.Boston Logan Intl
7h 15m
BCN12:15 p.m.Barcelona-El Prat
29 Aug
BCN6:30 p.m.Barcelona-El Prat
8h 45m
BOS9:15 p.m.Boston Logan Intl
C$ 532
Find similar
LEVEL
6 Sep
BOS11:00 p.m.Boston Logan Intl
7h 15m
BCN12:15 p.m.Barcelona-El Prat
9 Sep
BCN6:30 p.m.Barcelona-El Prat
8h 45m
BOS9:15 p.m.Boston Logan Intl
C$ 534
Find similar
LEVEL
24 Aug
BOS11:00 p.m.Boston Logan Intl
7h 15m
BCN12:15 p.m.Barcelona-El Prat
29 Aug
BCN6:30 p.m.Barcelona-El Prat
8h 45m
BOS9:15 p.m.Boston Logan Intl
C$ 535
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Barcelona-El Prat Airport 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 96,600 searches. Data last updated 31 julio 2025.
Use the filters below to find and compare flights from Boston to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

dom. 9/11

6:05 p.m.-10:05 a.m.

1 stop10h 00m

Barcelona-El Prat

sáb. 15/11

2:35 p.m.-8:10 p.m.

1 stop11h 35m

C$ 528

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

dom. 9/11

6:05 p.m.-10:05 a.m.

1 stop10h 00m

Barcelona-El Prat

sáb. 15/11

2:35 p.m.-8:10 p.m.

1 stop11h 35m

C$ 531

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

sáb. 23/8

11:00 p.m.-12:15 p.m.

Nonstop7h 15m

Barcelona-El Prat

vie. 29/8

6:30 p.m.-9:15 p.m.

Nonstop8h 45m

C$ 532

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

sáb. 6/9

11:00 p.m.-12:15 p.m.

Nonstop7h 15m

Barcelona-El Prat

mar. 9/9

6:30 p.m.-9:15 p.m.

Nonstop8h 45m

C$ 534

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

dom. 17/8

6:40 p.m.-7:50 a.m.

1 stop31h 10m

Barcelona-El Prat

mié. 3/9

12:10 p.m.-9:46 a.m.

2 stops27h 36m

C$ 612

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

sáb. 23/8

11:00 p.m.-12:15 p.m.

Nonstop7h 15m

Barcelona-El Prat

mié. 10/9

6:30 p.m.-9:15 p.m.

Nonstop8h 45m

C$ 617

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

lun. 25/8

3:20 p.m.-7:50 a.m.

1 stop10h 30m

Barcelona-El Prat

jue. 4/9

12:10 p.m.-5:55 p.m.

1 stop11h 45m

C$ 618

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

sáb. 13/9

11:00 p.m.-12:15 p.m.

Nonstop7h 15m

Barcelona-El Prat

jue. 18/9

6:30 p.m.-9:15 p.m.

Nonstop8h 45m

C$ 621

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

jue. 6/11

5:35 p.m.-6:20 p.m.

1 stop18h 45m

Barcelona-El Prat

mié. 19/11

7:10 p.m.-3:50 p.m.

1 stop26h 40m

C$ 625

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

lun. 10/11

5:35 p.m.-6:20 p.m.

1 stop18h 45m

Barcelona-El Prat

sáb. 15/11

7:10 p.m.-3:50 p.m.

1 stop26h 40m

C$ 639

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-El Prat Airport

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-El Prat Airport?

The cheapest month to fly to Barcelona-El Prat Airport from Boston is in January. Flight prices, which tend to average around C$ 652, are often lower during this time because this is during the off-season. If you are unable to visit Barcelona-El Prat Airport during the month of January, then departing from Boston during the month March is also very affordable. Most momondo users find prices during this month for around C$ 657.

What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?

The cheapest day to depart from Boston to Barcelona-El Prat Airport is on a Monday. Travellers who choose to depart for Barcelona-El Prat Airport on a Monday will often find tickets for as low as C$ 617. On the other hand, Sunday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 693.

What is the cheapest Boston Logan Intl to Barcelona-El Prat flight route?

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

How far in advance should I book a flight to Barcelona-El Prat Airport?

You are more likely to see cheaper flights to Barcelona-El Prat Airport from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around C$ 792 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from Boston for as low as C$ 640 on momondo.

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

There are 1 cabin classes available to choose from on Boston Logan Intl to Barcelona-El Prat flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Barcelona-El Prat Airport flights?

No. A direct flight is the cheapest option for a flight between Boston to Barcelona-El Prat Airport.

How have Boston to Barcelona-El Prat Airport flight prices changed over time?

As of July 2025, prices for Boston to Barcelona-El Prat Airport flights are approximately 40% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Barcelona-El Prat Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Barcelona-El Prat Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Barcelona-El Prat Airport (BOS to BCN) flight deals and tips

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

Best price found

C$ 276

Fastest flight time

7h 10m

Direct flights

Every day
The best one-way flight to Barcelona-El Prat Airport from Boston in the past 72 hours is C$ 276. The best round-trip flight deal from Boston to Barcelona-El Prat Airport found on momondo in the last 72 hours is C$ 528.
The fastest flight from Boston to Barcelona-El Prat Airport takes 7h 10m
Direct flights go from Boston to Barcelona-El Prat Airport every day.
Search flight deals

  • How far is Boston Logan Intl to Barcelona-El Prat by plane?

    Boston Logan Intl and Barcelona-El Prat are 5858.5 km apart from one another. Typically, this will take 7h 15m by plane in normal conditions.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Barcelona-El Prat Airport.

  • What documentation or ID do you need to fly to Barcelona-El Prat Airport?

    The required travel and health documents for your Barcelona-El Prat Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona-El Prat Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Boston to Barcelona-El Prat Airport?

  • What is the most popular airline from Boston to Barcelona-El Prat Airport?

Best airlines flying from Boston to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from Boston to Barcelona-El Prat Airport with momondo
Airline
Rating
Free Cancellation
Price
LEVELPriceFrom C$ 434Free CancellationRating
4.0
4 reviews
Search LEVEL flights
IberiaPriceFrom C$ 461Free CancellationRating
7.0
2,859 reviews
Search Iberia flights
VuelingPriceFrom C$ 565Free CancellationRating
7.1
1,176 reviews
Search Vueling flights

  • Vueling Flights From Boston to Barcelona-El Prat Airport

    Vueling flies from Boston to Barcelona-El Prat Airport around 1 time per week, with 1,176 momondo users rating the airline 7.1/10. The cheapest Vueling deal from Boston to Barcelona-El Prat Airport in the last 72 hours was C$ 409 (round-trip), much lower than the average airfare cost of C$ 458 for Vueling flights on this route.

  • Iberia Flights From Boston to Barcelona-El Prat Airport

    Another popular option for Boston to Barcelona-El Prat Airport flights is Iberia (7.0/10, 2,859 ratings). Iberia flies from Boston to Barcelona-El Prat Airport around 2 times per week, with deals starting from C$ 334 round-trip and rising to an average price of around C$ 435.

Travelling to a place near Barcelona?

Book flights to Barcelona if you plan to visit one of these locations
Sitges
L'Hospitalet de Llobregat
Castelldefels
Salou
Tarragona
Cadaques
El Prat de Llobregat
Badalona
Calella de Palafrugell
Calella
Llafranc
Lloret de Mar
Tossa de Mar

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.

An easier way to manage your Barcelona-El Prat Airport trip

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