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

View AU$383 flight on Fri, 26 Sept 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
Tue, 13 Jan - Tue, 20 Jan
BOS
Boston
BCN
Barcelona
AU$545 Return, found 8 hours ago
AU$545
Return
found 8 hours ago
Select United flight, departing Tue, 13 Jan from Boston to Barcelona, returning Tue, 20 Jan, priced at AU$545 found 8 hours ago
United
Tue, 13 Jan - Tue, 20 Jan
BOS
Boston
BCN
Barcelona
AU$545 Return, found 8 hours ago
AU$545
Return
found 8 hours ago
Select United flight, departing Tue, 13 Jan from Boston to Barcelona, returning Tue, 20 Jan, priced at AU$545 found 8 hours ago
Air Canada
Tue, 13 Jan - Tue, 20 Jan
BOS
Boston
BCN
Barcelona
AU$555 Return, found 8 hours ago
AU$555
Return
found 8 hours ago
Select Air Canada flight, departing Tue, 13 Jan from Boston to Barcelona, returning Tue, 20 Jan, priced at AU$555 found 8 hours ago
Aer Lingus
Tue, 13 Jan - Tue, 20 Jan
BOS
Boston
BCN
Barcelona
AU$557 Return, found 8 hours ago
AU$557
Return
found 8 hours ago
Select Aer Lingus flight, departing Tue, 13 Jan from Boston to Barcelona, returning Tue, 20 Jan, priced at AU$557 found 8 hours ago
TAP Portugal
Tue, 13 Jan - Tue, 20 Jan
BOS
Boston
BCN
Barcelona
AU$610 Return, found 8 hours ago
AU$610
Return
found 8 hours ago
Select TAP Portugal flight, departing Tue, 13 Jan from Boston to Barcelona, returning Tue, 20 Jan, priced at AU$610 found 8 hours ago
Delta
Tue, 13 Jan - Tue, 20 Jan
BOS
Boston
BCN
Barcelona
AU$617 Return, found 8 hours ago
AU$617
Return
found 8 hours ago
Select Delta flight, departing Tue, 13 Jan from Boston to Barcelona, returning Tue, 20 Jan, priced at AU$617 found 8 hours ago
Swiss International Air Lines
Tue, 13 Jan - Tue, 20 Jan
BOS
Boston
BCN
Barcelona
AU$630 Return, found 8 hours ago
AU$630
Return
found 8 hours ago
Select Swiss International Air Lines flight, departing Tue, 13 Jan from Boston to Barcelona, returning Tue, 20 Jan, priced at AU$630 found 8 hours ago
Lufthansa
Tue, 13 Jan - Tue, 20 Jan
BOS
Boston
BCN
Barcelona
AU$643 Return, found 8 hours ago
AU$643
Return
found 8 hours ago
Select Lufthansa flight, departing Tue, 13 Jan from Boston to Barcelona, returning Tue, 20 Jan, priced at AU$643 found 8 hours ago
KLM
Tue, 13 Jan - Tue, 20 Jan
BOS
Boston
BCN
Barcelona
AU$781 Return, found 8 hours ago
AU$781
Return
found 8 hours ago
Select KLM flight, departing Tue, 13 Jan from Boston to Barcelona, returning Tue, 20 Jan, priced at AU$781 found 8 hours ago
Austrian Airlines
Mon, 6 Oct - Tue, 14 Oct
BOS
Boston
BCN
Barcelona
AU$822 Return, found 5 days ago
AU$822
Return
found 5 days ago
Select Austrian Airlines flight, departing Mon, 6 Oct from Boston to Barcelona, returning Tue, 14 Oct, priced at AU$822 found 5 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$544
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$545 to AU$822, 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 January.

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$545. 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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