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Cheap flights from Boston to Barcelona-El Prat Airport from C$ 603

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 18/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BCN
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from Boston Logan Intl to Barcelona-El Prat are usually found in January or February, booked 56 days in advance, depart on a Sunday or Saturday 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 29 April 2025.

Round-trip from

C$ 610

Popular in

June

Cheapest in

January

Average price

C$ 904

Good round-trip deal

C$ 578 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 1/9-10/9
  • 2 total stops
  • 45h 05m total
  • Boston to Barcelona
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Highest demand for flights based on searches. 20% potential increase in price (C$ 284 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Barcelona-El Prat.
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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 29 April 2025.

Tue 18/115:35 p.m.BOS - BCN
1 stop18h 45mScandinavian Airlines
Sun 23/112:45 p.m.BCN - BOS
2 stops31h 05mScandinavian Airlines
Deal found 28/4C$ 603
Sun 9/116:10 p.m.BOS - BCN
1 stop11h 35mTAP AIR PORTUGAL
Sat 15/116:05 p.m.BCN - BOS
1 stop32h 00mTAP AIR PORTUGAL
Deal found 28/4C$ 619
Wed 8/107:40 p.m.BOS - BCN
1 stop12h 35mMultiple Airlines
Fri 17/106:30 p.m.BCN - BOS
Nonstop8h 45mMultiple Airlines
Deal found 28/4C$ 621
Tue 7/108:50 p.m.BOS - BCN
1 stop11h 55mIcelandair
Mon 13/103:45 p.m.BCN - BOS
1 stop12h 15mIcelandair
Deal found 28/4C$ 626
Sun 9/119:20 p.m.BOS - BCN
1 stop11h 00mIberia
Sat 15/116:10 p.m.BCN - BOS
Nonstop8h 45mIberia
Deal found 28/4C$ 629
Tue 7/106:05 p.m.BOS - BCN
Nonstop7h 10mDelta
Fri 17/109:30 a.m.BCN - BOS
Nonstop8h 30mDelta
Deal found 28/4C$ 635
Wed 15/107:40 p.m.BOS - BCN
1 stop10h 25mBritish Airways
Tue 28/102:35 p.m.BCN - BOS
1 stop13h 20mBritish Airways
Deal found 28/4C$ 675
Sun 21/97:12 p.m.BOS - BCN
1 stop31h 08mUnited Airlines
Fri 26/912:10 p.m.BCN - BOS
1 stop27h 25mUnited Airlines
Deal found 28/4C$ 687
Mon 13/1011:00 p.m.BOS - BCN
Nonstop7h 15mFinnair
Sat 25/106:30 p.m.BCN - BOS
1 stop11h 49mFinnair
Deal found 28/4C$ 719
Tue 2/123:34 p.m.BOS - BCN
1 stop10h 26mKLM
Mon 19/17:55 p.m.BCN - BOS
1 stop23h 25mKLM
Deal found 27/4C$ 740
Tue 7/105:05 p.m.BOS - BCN
1 stop9h 45mSWISS
Mon 20/108:00 p.m.BCN - BOS
1 stop25h 25mSWISS
Deal found 27/4C$ 754
Sun 7/95:05 p.m.BOS - BCN
1 stop11h 45mITA Airways
Thu 11/96:20 a.m.BCN - BOS
1 stop13h 20mITA Airways
Deal found 28/4C$ 805

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 29 April 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

Mon 1/9

5:40 p.m.-6:10 p.m.

1 stop18h 30m

Barcelona-El Prat

Wed 10/9

7:00 p.m.-3:35 p.m.

1 stop26h 35m

C$ 610

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Wed 8/10

7:40 p.m.-2:15 p.m.

1 stop12h 35m

Barcelona-El Prat

Fri 17/10

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

Nonstop8h 45m

C$ 621

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Tue 7/10

8:50 p.m.-2:45 p.m.

1 stop11h 55m

Barcelona-El Prat

Mon 13/10

3:45 p.m.-10:00 p.m.

1 stop12h 15m

C$ 626

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Tue 7/10

6:05 p.m.-7:15 a.m.

Nonstop7h 10m

Barcelona-El Prat

Fri 17/10

9:30 a.m.-12:00 p.m.

Nonstop8h 30m

C$ 635

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Wed 15/10

7:40 p.m.-12:05 p.m.

1 stop10h 25m

Barcelona-El Prat

Tue 28/10

2:35 p.m.-10:55 p.m.

1 stop13h 20m

C$ 675

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 21/9

7:12 p.m.-8:20 a.m.

1 stop31h 08m

Barcelona-El Prat

Fri 26/9

12:10 p.m.-9:35 a.m.

1 stop27h 25m

C$ 687

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Mon 13/10

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

Nonstop7h 15m

Barcelona-El Prat

Sat 25/10

6:30 p.m.-12:19 a.m.

1 stop11h 49m

C$ 719

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Tue 7/10

5:05 p.m.-8:50 a.m.

1 stop9h 45m

Barcelona-El Prat

Mon 20/10

8:00 p.m.-3:25 p.m.

1 stop25h 25m

C$ 754

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$ 784

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 7/9

5:05 p.m.-10:50 a.m.

1 stop11h 45m

Barcelona-El Prat

Fri 12/9

6:20 a.m.-1:40 p.m.

1 stop13h 20m

C$ 805

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 21 results
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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 25 April 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 56 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$ 802). 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 29 April 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.

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 29 April 2025.
To help decide which airline to fly from Boston to Barcelona, see what other customers have to say about Delta, KLM 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
7,929 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,587 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Cathay Pacific
7.5
Good
852 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 Scandinavian Airlines. Our recent data shows that you can find tickets from as low as C$ 610 on this airline. Additional options worth looking into are Icelandair and Delta, starting at C$ 626 and C$ 635 round-trip. Users have found that Scandinavian Airlines is 25% 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$ 849 on Iberia. Other airlines that offer cheap prices include Icelandair from C$ 851 and Virgin Atlantic from C$ 905 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 (90%), Qatar Airways (90%), Vueling (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$ 463. While the most popular route (Boston Logan Intl - Barcelona-El Prat) can be booked for C$ 807 on average our data indicates C$ 635 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$ 802). 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

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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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapestC$ 383AverageC$ 658FlexibilityNo cancel feeOn-time77%
Search Iberia flights
LEVELCheapestC$ 427AverageC$ 592FlexibilityNo cancel feeOn-timeN/A
Search LEVEL flights
VuelingCheapestC$ 486AverageC$ 614FlexibilityNo 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.

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