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

View AU$383 flight on Fri, 26 Sep. 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Barcelona El Prat Airport (BCN)

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 6 Oct. - Tue, 14 Oct.
BOS
Boston
BCN
Barcelona
AU$744 Return, found 2 days ago
AU$744
Return
found 2 days ago
Select United flight, departing Mon, 6 Oct. from Boston to Barcelona, returning Tue, 14 Oct., priced at AU$744 found 2 days ago
United
Mon, 6 Oct. - Tue, 14 Oct.
BOS
Boston
BCN
Barcelona
AU$750 Return, found 2 days ago
AU$750
Return
found 2 days ago
Select United flight, departing Mon, 6 Oct. from Boston to Barcelona, returning Tue, 14 Oct., priced at AU$750 found 2 days ago
United
Mon, 6 Oct. - Tue, 14 Oct.
BOS
Boston
BCN
Barcelona
AU$754 Return, found 2 days ago
AU$754
Return
found 2 days ago
Select United flight, departing Mon, 6 Oct. from Boston to Barcelona, returning Tue, 14 Oct., priced at AU$754 found 2 days ago
United
Mon, 6 Oct. - Tue, 14 Oct.
BOS
Boston
BCN
Barcelona
AU$760 Return, found 2 days ago
AU$760
Return
found 2 days ago
Select United flight, departing Mon, 6 Oct. from Boston to Barcelona, returning Tue, 14 Oct., priced at AU$760 found 2 days ago
Aer Lingus
Thu, 27 Nov. - Tue, 2 Dec.
BOS
Boston
BCN
Barcelona
AU$772 Return, found 3 days ago
AU$772
Return
found 3 days ago
Select Aer Lingus flight, departing Thu, 27 Nov. from Boston to Barcelona, returning Tue, 2 Dec., priced at AU$772 found 3 days ago
United
Mon, 6 Oct. - Tue, 14 Oct.
BOS
Boston
BCN
Barcelona
AU$779 Return, found 2 days ago
AU$779
Return
found 2 days ago
Select United flight, departing Mon, 6 Oct. from Boston to Barcelona, returning Tue, 14 Oct., priced at AU$779 found 2 days ago
Swiss International Air Lines
Mon, 6 Oct. - Tue, 14 Oct.
BOS
Boston
BCN
Barcelona
AU$804 Return, found 2 days ago
AU$804
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Mon, 6 Oct. from Boston to Barcelona, returning Tue, 14 Oct., priced at AU$804 found 2 days ago
Lufthansa
Mon, 6 Oct. - Tue, 14 Oct.
BOS
Boston
BCN
Barcelona
AU$813 Return, found 2 days ago
AU$813
Return
found 2 days ago
Select Lufthansa flight, departing Mon, 6 Oct. from Boston to Barcelona, returning Tue, 14 Oct., priced at AU$813 found 2 days ago
Austrian Airlines
Mon, 6 Oct. - Tue, 14 Oct.
BOS
Boston
BCN
Barcelona
AU$822 Return, found 2 days ago
AU$822
Return
found 2 days ago
Select Austrian Airlines flight, departing Mon, 6 Oct. from Boston to Barcelona, returning Tue, 14 Oct., priced at AU$822 found 2 days ago
TAP Portugal
Thu, 27 Nov. - Tue, 2 Dec.
BOS
Boston
BCN
Barcelona
AU$837 Return, found 3 days ago
AU$837
Return
found 3 days ago
Select TAP Portugal flight, departing Thu, 27 Nov. from Boston to Barcelona, returning Tue, 2 Dec., priced at AU$837 found 3 days ago

Find the cheapest month to fly from Boston (BOS) to Barcelona (BCN)

September is typically the cheapest month to fly

From AU$476 - AU$1,401 per traveller.

Graph displaying average flight prices per month

Flight from Boston to Barcelona route information
Origin airport
Logan Intl.
Destination airport
Barcelona Intl.
Return price
AU$744
Distance
5824 km
Average flight time
13 hours 15 mins

Your quick guide to flights from Boston to Barcelona

Pick up great flights from Boston to Barcelona

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Boston to Barcelona. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Boston to Barcelona that take around hours.

Find cheap flights from Boston to Barcelona

From the great flight deals with prices currently ranging from AU$744 to AU$837, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Boston to Barcelona around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Barcelona is normally in October.

Reasons to book your flight from Boston to Barcelona with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Boston to Barcelona across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Barcelona right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Logan Intl. Airport to BCN?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight between Logan Intl. Airport (BOS) and Barcelona Intl. Airport (BCN) was AU$744. Great fares don't hang around forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Logan Intl. Airport to Barcelona Airport?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from BOS to Josep Tarradellas Barcelona–El Prat Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Logan Intl. Airport to Barcelona Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Logan Intl. Airport (BOS) to Barcelona Intl. Airport (BCN)?
The distance is around 5 900 kilometres. Neck pillow? Check. Noise-cancelling headphones? Double check. We recommend you pack all the essentials for this long-haul Boston to El Prat de Llobregat flight.
Which airlines fly direct from Logan Intl. Airport (BOS) to BCN?
Check out the fares with Iberia (IB) if you want to fly straight from BOS to Josep Tarradellas Barcelona–El Prat Airport. This top airline offers 13 flights monthly, so you're sure to find one that fits your travel schedule.
Are Logan Intl. Airport (BOS) to Barcelona Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices always go up and down, so not always. While last-minute deals between Logan Intl. Airport and Barcelona Airport are of course possible, it also makes sense to keep an eye on prices well before you fly. In fact, some air carriers advertise their prices up to 12 months ahead of the departure date. Expedia is constantly updating the best bargains around, so keep checking and be ready to secure your seat when the fares dip.

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