S$399 Cheap Flights from Boston to Barcelona

View S$399 flight on Mon, 29 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 to Barcelona (BOS-BCN)

Prices were available within the past 7 days and start at S$399 for one-way flights and S$455 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, 21 Sep - Tue, 30 Sep
BOS
Boston
BCN
Barcelona
S$455 Return, found 6 days ago
S$455
Return
found 6 days ago
Select Air Canada flight, departing Sun, 21 Sep from Boston to Barcelona, returning Tue, 30 Sep, priced at S$455 found 6 days ago
Air Canada
Sun, 21 Sep - Tue, 30 Sep
BOS
Boston
BCN
Barcelona
S$455 Return, found 6 days ago
S$455
Return
found 6 days ago
Select Air Canada flight, departing Sun, 21 Sep from Boston to Barcelona, returning Tue, 30 Sep, priced at S$455 found 6 days ago
Swiss International Air Lines
Sun, 21 Sep - Tue, 30 Sep
BOS
Boston
BCN
Barcelona
S$472 Return, found 6 days ago
S$472
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Sun, 21 Sep from Boston to Barcelona, returning Tue, 30 Sep, priced at S$472 found 6 days ago
Air Canada
Sun, 21 Sep - Tue, 30 Sep
BOS
Boston
BCN
Barcelona
S$476 Return, found 6 days ago
S$476
Return
found 6 days ago
Select Air Canada flight, departing Sun, 21 Sep from Boston to Barcelona, returning Tue, 30 Sep, priced at S$476 found 6 days ago
Air Canada
Sun, 21 Sep - Tue, 30 Sep
BOS
Boston
BCN
Barcelona
S$480 Return, found 6 days ago
S$480
Return
found 6 days ago
Select Air Canada flight, departing Sun, 21 Sep from Boston to Barcelona, returning Tue, 30 Sep, priced at S$480 found 6 days ago
Air Canada
Sun, 21 Sep - Tue, 30 Sep
BOS
Boston
BCN
Barcelona
S$491 Return, found 6 days ago
S$491
Return
found 6 days ago
Select Air Canada flight, departing Sun, 21 Sep from Boston to Barcelona, returning Tue, 30 Sep, priced at S$491 found 6 days ago
Lufthansa
Sun, 21 Sep - Tue, 30 Sep
BOS
Boston
BCN
Barcelona
S$504 Return, found 6 days ago
S$504
Return
found 6 days ago
Select Lufthansa flight, departing Sun, 21 Sep from Boston to Barcelona, returning Tue, 30 Sep, priced at S$504 found 6 days ago
Swiss International Air Lines
Sun, 21 Sep - Tue, 30 Sep
BOS
Boston
BCN
Barcelona
S$508 Return, found 6 days ago
S$508
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Sun, 21 Sep from Boston to Barcelona, returning Tue, 30 Sep, priced at S$508 found 6 days ago
British Airways
Sun, 21 Sep - Tue, 30 Sep
BOS
Boston
BCN
Barcelona
S$560 Return, found 6 days ago
S$560
Return
found 6 days ago
Select British Airways flight, departing Sun, 21 Sep from Boston to Barcelona, returning Tue, 30 Sep, priced at S$560 found 6 days ago
United
Sun, 21 Sep - Tue, 30 Sep
BOS
Boston
BCN
Barcelona
S$573 Return, found 6 days ago
S$573
Return
found 6 days ago
Select United flight, departing Sun, 21 Sep from Boston to Barcelona, returning Tue, 30 Sep, priced at S$573 found 6 days ago

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

May is typically the cheapest month to fly

From S$435 - S$864 per traveller.

Graph displaying average flight prices per month

Boston to Barcelona route information
Origin airport
Logan Intl.
Destination airport
Barcelona Intl.
Return price
S$454
Distance
5824 km
Average flight time
13 hours 15 mins

Flights from Boston to Barcelona

There are several airlines that operate frequent flights from Boston (BOS) to Barcelona (BCN) including

The earliest flight leaves Logan Intl. Airport at 13:00 and arrives at Barcelona Intl. Airport at 06:10. The last flight of the day departs Boston at 23:40 and arrives at Barcelona at 18:45.

The flight distance from Boston to Barcelona is about 6565 km, the shortest flight is 09 hours with Virgin Atlantic.

Expedia lets you search across the largest number of airlines and Barcelona flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Boston Barcelona flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Boston to Barcelona trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Barcelona flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Boston to Barcelona with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

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 S$455. 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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