$239 Cheap Flights from Boston (BOS) to Barcelona (BCN)

View $239 flight on Sun, Jul 27, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Boston to Barcelona (BOS-BCN)

Prices were available within the past 7 days and start at $239 for one-way flights and $366 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fly Play
Sat, Nov 15 - Sun, Nov 23
BOS
Boston
BCN
Barcelona
$366 Roundtrip, found 1 day ago
$366
Roundtrip
found 1 day ago
Select Fly Play flight, departing Sat, Nov 15 from Boston to Barcelona, returning Sun, Nov 23, priced at $366 found 1 day ago
Scandinavian Airlines
Wed, Nov 5 - Wed, Nov 12
BOS
Boston
BCN
Barcelona
$409 Roundtrip, found 6 hours ago
$409
Roundtrip
found 6 hours ago
Select Scandinavian Airlines flight, departing Wed, Nov 5 from Boston to Barcelona, returning Wed, Nov 12, priced at $409 found 6 hours ago
TAP Portugal
Sun, Aug 24 - Thu, Sep 4
BOS
Boston
BCN
Barcelona
$412 Roundtrip, found 2 hours ago
$412
Roundtrip
found 2 hours ago
Select TAP Portugal flight, departing Sun, Aug 24 from Boston to Barcelona, returning Thu, Sep 4, priced at $412 found 2 hours ago
LEVEL
Mon, Sep 22 - Fri, Sep 26
BOS
Boston
BCN
Barcelona
$422 Roundtrip, just found
$422
Roundtrip
just found
Select LEVEL flight, departing Mon, Sep 22 from Boston to Barcelona, returning Fri, Sep 26, priced at $422 just found
Iberia
Mon, Sep 22 - Mon, Sep 29
BOS
Boston
BCN
Barcelona
$428 Roundtrip, just found
$428
Roundtrip
just found
Select Iberia flight, departing Mon, Sep 22 from Boston to Barcelona, returning Mon, Sep 29, priced at $428 just found
Virgin Atlantic
Tue, Sep 23 - Wed, Oct 1
BOS
Boston
BCN
Barcelona
$459 Roundtrip, just found
$459
Roundtrip
just found
Select Virgin Atlantic flight, departing Tue, Sep 23 from Boston to Barcelona, returning Wed, Oct 1, priced at $459 just found
Icelandair
Wed, Nov 19 - Fri, Nov 28
BOS
Boston
BCN
Barcelona
$468 Roundtrip, found 4 hours ago
$468
Roundtrip
found 4 hours ago
Select Icelandair flight, departing Wed, Nov 19 from Boston to Barcelona, returning Fri, Nov 28, priced at $468 found 4 hours ago
American Airlines
Wed, Oct 1 - Tue, Oct 7
BOS
Boston
BCN
Barcelona
$472 Roundtrip, found 2 hours ago
$472
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Oct 1 from Boston to Barcelona, returning Tue, Oct 7, priced at $472 found 2 hours ago
Delta
Wed, Oct 1 - Tue, Oct 7
BOS
Boston
BCN
Barcelona
$473 Roundtrip, found 2 hours ago
$473
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Oct 1 from Boston to Barcelona, returning Tue, Oct 7, priced at $473 found 2 hours ago
British Airways
Wed, Sep 10 - Fri, Sep 12
BOS
Boston
BCN
Barcelona
$487 Roundtrip, just found
$487
Roundtrip
just found
Select British Airways flight, departing Wed, Sep 10 from Boston to Barcelona, returning Fri, Sep 12, priced at $487 just found
Flights from Boston (BOS) to Barcelona (BCN)
Origin airport
Logan Intl.
Destination airport
Barcelona Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, ITA Airways, Iberia, KLM, LEVEL, Lufthansa, Royal Air Maroc, SATA International-Azores Airlines S.A., Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$365
Distance
3640 mi

Boston to Barcelona Flights

The cheapest times to fly from Boston to Barcelona

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Barcelona are during the month of November. You can find some of the cheapest flights from Boston to Barcelona with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Boston to Barcelona

Sunday is one of the best days to book for cheap flights from Boston to Barcelona: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Boston to Barcelona

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Barcelona in 2025. You can also book with separate airlines for your outbound and return journeys, from $239 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Barcelona flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Barcelona airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Barcelona Intl. Airport (BCN) cost?
Pick up cheap return tickets starting at $474 from Logan Intl. Airport (BOS) to Barcelona Intl. Airport (BCN). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Iberia flight leaving BOS on May 5 2025 and touching down at BCN. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from BOS to BCN?
The cheapest flights from BOS to BCN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Logan Intl. Airport (BOS) to Barcelona Intl. Airport (BCN)?
When flying out of Logan Intl. Airport (BOS), you can get on a nonstop flight to Barcelona Intl. Airport (BCN) with Iberia.
What is the cheapest airline that flies from BOS to BCN?
With tickets starting at $281 for a one-way flight from BOS to BCN, LEVEL is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BOS on July 19 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Logan Intl. Airport (BOS) to Barcelona Intl. Airport (BCN)?
On average, you can take your pick of 3 direct flights departing from Logan Intl. Airport (BOS) to Barcelona Intl. Airport (BCN) weekly. If you don’t see one that fits your schedule, think about hopping on a flight with a layover. Customize your search on Expedia to include one or two stops and opt for the next best option.
What are the most popular departure times for flights from Logan Intl. Airport (BOS) to Barcelona Intl. Airport (BCN)?
The 11 PM departures from BOS to BCN are the busiest. Greater demand means you’ll likely pay more for these departures. If you’re hoping to save money, book during off-peak hours.
What day of the week has the most flights from BOS to BCN?
Travel on a Thursday if you’re searching for the best choice of flights from Logan Intl. Airport (BOS) to Barcelona Intl. Airport (BCN).
What is the earliest flight from Logan Intl. Airport (BOS) to Barcelona Intl. Airport (BCN)?
Catch the earliest flight at around 10:40PM UTC-5, departing from Logan Intl. Airport (BOS). You’ll be flying for around 7h 10m, reaching Barcelona Intl. Airport (BCN) at approximately 11:50AM UTC+1.
How long does it take to fly from Logan Intl. Airport (BOS) to Barcelona Intl. Airport (BCN)?
It takes about 7 hours and 10 minutes to travel the 3,600 mi from BOS to BCN.
What is the best time to fly from Logan Intl. Airport (BOS) to Barcelona Intl. Airport (BCN)?
To arrive at Barcelona Intl. Airport (BCN) on time, select a flight that takes off from Logan Intl. Airport (BOS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Barcelona from Logan Intl. Airport (BOS)?
Barcelona Intl. Airport (BCN) is the only airport in Barcelona with direct flights from Logan Intl. Airport (BOS). Browse the options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Barcelona Intl. Airport (BCN) last-minute?
Booking your ticket from BOS to BCN shortly before your journey is generally more expensive. However, if you’re flexible with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a BOS to BCN flight and hotel package?
Securing a BOS to BCN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our impressive range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Barcelona Intl. Airport (BCN)?
Usually, it’s possible to cancel or reschedule your BOS to BCN flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.