Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Boston to Barcelona-El Prat Airport from C$ 581

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BCN
17 Jun — 24 Jun1
1 adult

Cheapflights Tip: The best prices from Boston Logan Intl to Barcelona-El Prat are usually found in January or March, booked 72 days in advance, depart on a Thursday or Monday and return on a Monday

Cheap flight deals from Boston to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Barcelona-El Prat (BCN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 June 2025.

Round-trip from

C$ 581

Popular in

June

Cheapest in

January

Average price

C$ 1,071

Good round-trip deal

C$ 576 or less
Vueling
  • Vueling
  • 7/8-18/8
  • Nonstop
  • 16h 00m total
  • Boston to Barcelona
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 217 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Barcelona-El Prat.
Search Deals

Find flight deals from Boston to Barcelona-El Prat

Cheapest flights from Boston to Barcelona-El Prat
Explore the most affordable flight options available from Boston to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

Thu 7/811:00 p.m.BOS - BCN
Nonstop7h 15mVueling
Mon 18/86:30 p.m.BCN - BOS
Nonstop8h 45mVueling
Deal found 11/6C$ 581
Fri 14/115:35 p.m.BOS - BCN
1 stop18h 45mScandinavian Airlines
Sun 23/112:45 p.m.BCN - BOS
2 stops31h 05mScandinavian Airlines
Deal found 11/6C$ 595
Wed 12/115:50 p.m.BOS - BCN
1 stop11h 00mAer Lingus
Wed 19/1111:30 a.m.BCN - BOS
1 stop13h 25mAer Lingus
Deal found 11/6C$ 610
Sat 27/1210:40 p.m.BOS - BCN
Nonstop7h 15mIberia
Thu 5/26:10 p.m.BCN - BOS
Nonstop8h 45mIberia
Deal found 10/6C$ 613
Mon 10/115:40 p.m.BOS - BCN
1 stop9h 55mUnited Airlines
Fri 14/111:35 p.m.BCN - BOS
2 stops27h 08mUnited Airlines
Deal found 11/6C$ 623
Wed 12/1112:55 p.m.BOS - BCN
2 stops14h 40mAir Canada
Wed 19/111:35 p.m.BCN - BOS
2 stops26h 22mAir Canada
Deal found 11/6C$ 658
Wed 6/89:40 p.m.BOS - BCN
1 stop19h 55mSWISS
Mon 20/106:35 p.m.BCN - BOS
1 stop26h 50mSWISS
Deal found 10/6C$ 689
Sun 28/128:40 p.m.BOS - BCN
1 stop12h 05mLufthansa
Mon 9/26:20 p.m.BCN - BOS
1 stop30h 15mLufthansa
Deal found 11/6C$ 700
Mon 20/102:36 p.m.BOS - BCN
2 stops23h 14mAustrian Airlines
Mon 27/108:30 p.m.BCN - BOS
2 stops27h 18mAustrian Airlines
Deal found 11/6C$ 725
Sat 16/86:40 p.m.BOS - BCN
1 stop31h 10mMultiple Airlines
Mon 1/96:35 p.m.BCN - BOS
1 stop26h 50mMultiple Airlines
Deal found 11/6C$ 738
Fri 26/128:00 p.m.BOS - BCN
1 stop11h 10mIcelandair
Fri 6/211:45 a.m.BCN - BOS
1 stop12h 00mIcelandair
Deal found 11/6C$ 762
Sun 28/128:40 p.m.BOS - BCN
2 stops17h 45mBrussels Airlines
Mon 2/23:05 p.m.BCN - BOS
2 stops33h 30mBrussels Airlines
Deal found 11/6C$ 774

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Barcelona-El Prat 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, Cheapflights users made 629,999 searches. Data last updated 12 June 2025.
Use the filters below to find and compare flights from Boston to Barcelona-El Prat Airport that are best for you.

Fly from

Boston

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Thu 7/8

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

Nonstop7h 15m

Barcelona-El Prat

Mon 18/8

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

Nonstop8h 45m

C$ 581

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Fri 14/11

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

1 stop18h 45m

Barcelona-El Prat

Sun 23/11

2:45 p.m.-3:50 p.m.

2 stops31h 05m

C$ 595

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Wed 12/11

5:50 p.m.-10:50 a.m.

1 stop11h 00m

Barcelona-El Prat

Wed 19/11

11:30 a.m.-6:55 p.m.

1 stop13h 25m

C$ 610

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Mon 10/11

10:40 p.m.-11:55 a.m.

Nonstop7h 15m

Barcelona-El Prat

Thu 20/11

6:10 p.m.-8:55 p.m.

Nonstop8h 45m

C$ 613

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Mon 10/11

7:38 p.m.-8:20 a.m.

1 stop30h 42m

Barcelona-El Prat

Fri 14/11

1:35 p.m.-2:38 p.m.

1 stop31h 03m

C$ 623

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Wed 12/11

12:55 p.m.-9:35 a.m.

2 stops14h 40m

Barcelona-El Prat

Wed 19/11

1:35 p.m.-9:57 a.m.

2 stops26h 22m

C$ 658

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Wed 6/8

9:40 p.m.-11:35 p.m.

1 stop19h 55m

Barcelona-El Prat

Mon 20/10

6:35 p.m.-3:25 p.m.

1 stop26h 50m

C$ 689

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Tue 5/8

8:05 p.m.-12:45 p.m.

1 stop10h 40m

Barcelona-El Prat

Mon 13/10

4:25 p.m.-8:10 p.m.

1 stop33h 45m

C$ 708

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Mon 20/10

2:36 p.m.-7:50 p.m.

2 stops23h 14m

Barcelona-El Prat

Mon 27/10

8:30 p.m.-6:48 p.m.

2 stops27h 18m

C$ 725

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sat 16/8

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

1 stop31h 10m

Barcelona-El Prat

Mon 1/9

6:35 p.m.-3:25 p.m.

1 stop26h 50m

C$ 738

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from Boston to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Barcelona-El Prat Airport

How far ahead should I book a flight from Boston to Barcelona-El Prat Airport?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Barcelona-El Prat. Price data was last updated on 9 June 2025.

The price you pay for your flight from Boston to Barcelona-El Prat Airport may vary depending on when you book. For the best chance of a lower fare, look to book 72 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Boston to Barcelona-El Prat Airport?

Currently, January is the cheapest month in which you can book a flight from Boston to Barcelona-El Prat Airport (average of C$ 604). Flying from Boston to Barcelona-El Prat Airport in July is currently the most expensive (average of C$ 789). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to BCN?

Find hourly flight availability from Boston to Barcelona-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 June 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to Barcelona-El Prat Airport as you normally would.

Weekly flight availability from Boston to Barcelona-El Prat Airport

Explore weekly flight availability from Boston to Barcelona-El Prat. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 June 2025.

The most flights from BOS to BCN are scheduled on a Thursday (7 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Barcelona-El Prat by month

Plan your trip to Barcelona-El Prat by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona-El Prat Airport ranges from 20.0 - 91.0 mm per month. October is typically the wettest month, when rainfall can reach 91.0 mm. July is typically the driest time to visit Barcelona-El Prat Airport when rainfall is around 20.0 mm.

Temperature in Barcelona-El Prat by month

Plan your trip to Barcelona-El Prat by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona-El Prat Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

Reviews of airlines servicing Barcelona-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Barcelona-El Prat. Reviews last updated 12 June 2025.
To help decide which airline to fly from Boston to Barcelona, see what other customers have to say about Delta, Austrian Airlines and Finnair. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews
Check prices

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Cathay Pacific
7.6
Good
892 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,624 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Boston to Barcelona-El Prat. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Barcelona-El Prat?

    Boston Logan Intl (BOS) is the airport you will fly out of if you book a flight from Boston to Barcelona-El Prat. You should not have trouble finding flights to Barcelona-El Prat from Logan Intl; the airport handles an average of 3 outbound flights to Barcelona-El Prat per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Boston airport to Barcelona-El Prat. It is only a 4.2 km journey to Logan Intl (BOS) from Boston’s city centre.

  • What are the cheapest airlines flying from Boston to Barcelona-El Prat Airport round-trip?

    Our cheapest airline available from Boston to Barcelona-El Prat Airport is Vueling. Our recent data shows that you can find tickets from as low as C$ 581 on this airline. Additional options worth looking into are Scandinavian Airlines and Aer Lingus, starting at C$ 595 and C$ 610 round-trip. Users have found that Vueling is 27% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Boston to Barcelona-El Prat Airport one-way?

    One-way options have recently been found by users for as low as C$ 1,323 on Iberia. Other airlines that offer cheap prices include Icelandair from C$ 1,713 and WestJet from C$ 1,809 one-way.

  • What are the most reliable airlines from Boston to Barcelona-El Prat Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Barcelona-El Prat Airport on time: American Airlines (91%), Vueling (90%), Iberia (90%).

  • What are the cheapest flights from Boston to Barcelona-El Prat Airport?

    Looking at all options, your cheapest flight can be booked for C$ 408. While the most popular route (Boston Logan Intl - Barcelona-El Prat) can be booked for C$ 864 on average our data indicates C$ 658 when flying from Boston to Barcelona-El Prat Airport.

  • Can I find deals for flights from Boston to Barcelona-El Prat that include hotel bookings?

    Yes. In addition to deals on Boston to Barcelona-El Prat flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Barcelona-El Prat?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Barcelona-El Prat.

  • Can I find deals for business class flights from Boston to Barcelona-El Prat?

    Yes. Cheapflights offers flight deals from Boston to Barcelona-El Prat by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Barcelona-El Prat Airport?

    Currently, January is the cheapest month in which you can book a flight from Boston to Barcelona-El Prat Airport (average of C$ 604). Flying from Boston to Barcelona-El Prat Airport in July is currently the most expensive (average of C$ 789). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
L'Hospitalet de Llobregat
Badalona

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Other flights to Barcelona-El Prat

Explore flights to Barcelona-El Prat departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 June 2025.
Halifax to Barcelona-El Prat flights
Calgary to Barcelona-El Prat flights
Pierre Elliott Trudeau Intl to Barcelona-El Prat flights
Pearson Intl to Barcelona-El Prat flights
Barcelona-El Prat Airport to Palma de Mallorca flights
Barcelona-El Prat Airport to Málaga flights
Barcelona-El Prat Airport to Venice Marco Polo Airport flights
Barcelona-El Prat Airport to Porto flights
Barcelona-El Prat Airport to Tangier flights
Barcelona-El Prat Airport to Rome Fiumicino Airport flights
Barcelona-El Prat Airport to London Gatwick Airport flights
Barcelona-El Prat Airport to Nice flights
Barcelona-El Prat Airport to Ibiza flights
Barcelona-El Prat Airport to Nantes flights
Barcelona-El Prat Airport to Palma de Mallorca flights
Barcelona-El Prat Airport to Málaga flights
Barcelona-El Prat Airport to Lisbon flights
Barcelona-El Prat Airport to Marseille flights
Barcelona-El Prat Airport to Seville flights
Barcelona-El Prat Airport to Faro flights
Barcelona-El Prat Airport to Paris Orly Airport flights
Barcelona-El Prat Airport to Brussels Bruxelles-National Airport flights

Top 3 airlines flying from Boston to Barcelona-El Prat

Discover the top 3 airlines that operate flights from Boston to Barcelona-El Prat. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapestC$ 378AverageC$ 595FlexibilityNo cancel feeOn-time77%
Search Iberia flights
LEVELCheapestC$ 411AverageC$ 576FlexibilityNo cancel feeOn-timeN/A
Search LEVEL flights
VuelingCheapestC$ 554AverageC$ 626FlexibilityNo cancel feeOn-time88%
Search Vueling flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boston to Barcelona-El Prat?

When you search for this flight from Boston to Barcelona-El Prat, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Boston to Barcelona-El Prat?

Cheapflights helps you find that perfect flight to Barcelona-El Prat from Boston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Boston to Barcelona-El Prat with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to Barcelona-El Prat, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Boston to Barcelona-El Prat become cheaper?

Not ready to book yet? You can track prices for flights from Boston to Barcelona-El Prat on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights