Barcelona

$202+ Cheap flights from Boston (BOS) to Barcelona

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BCN
feb. 11 — feb. 181
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Barcelona with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Boston Logan Intl to Barcelona are usually found in January or February, booked 11 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Boston to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Barcelona (S37). 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 febrero 6, 2025.

Round-trip from

$390
(Kiwi.com)

One-way from

$202
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$467
From Boston Logan Intl to Barcelona
One-way flight from Boston Logan Intl to Barcelona
Highest demand for flights based on searches. 22% potential increase in price ($175 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in February 2025

Find flight deals from Boston to Barcelona

Cheapest flights from Boston to Barcelona
Explore the most affordable flight options available from Boston to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 6, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/810:40 pmBOS - BCN
Nonstop7h 10mVueling
sáb. 2/156:00 pmBCN - BOS
Nonstop8h 55mVueling
Deal found 2/5$384
This Mytrip deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/307:15 pmBOS - BCN
2 stops20h 35mMultiple Airlines
vie. 4/47:20 amBCN - BOS
2 stops16h 40mMultiple Airlines
Deal found 2/5$395
This Booking.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/77:15 pmBOS - BCN
1 stop20h 25mPLAY
vie. 10/1710:40 pmBCN - BOS
1 stop25h 20mPLAY
Deal found 2/5$397
This Gotogate deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/308:50 pmBOS - BCN
1 stop11h 55mIcelandair
mar. 4/83:45 pmBCN - BOS
1 stop25h 50mIcelandair
Deal found 2/4$430
This Iberia deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/310:50 pmBOS - BCN
Nonstop7h 25mIberia
lun. 4/76:30 pmBCN - BOS
Nonstop8h 35mIberia
Deal found 2/4$435
This Mytrip deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/196:45 pmBOS - BCN
1 stop18h 35mScandinavian Airlines
mar. 3/257:10 pmBCN - BOS
1 stop26h 40mScandinavian Airlines
Deal found 2/4$448
This Gotogate deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/257:10 pmBOS - BCN
1 stop11h 35mTAP AIR PORTUGAL
mar. 4/110:40 pmBCN - BOS
1 stop27h 25mTAP AIR PORTUGAL
Deal found 2/5$477
This StudentUniverse deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/257:39 pmBOS - BCN
2 stops19h 26mFinnair
mar. 4/16:30 pmBCN - BOS
Nonstop8h 35mFinnair
Deal found 2/4$478
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/236:20 pmBOS - BCN
1 stop23h 55mITA Airways
jue. 3/276:25 amBCN - BOS
1 stop12h 35mITA Airways
Deal found 2/4$484
This oojo deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/127:25 pmBOS - BCN
1 stop10h 00mBritish Airways
jue. 4/312:50 pmBCN - BOS
1 stop12h 06mBritish Airways
Deal found 2/5$489
This United Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/157:36 pmBOS - BCN
1 stop31h 44mUnited Airlines
mié. 3/1911:15 amBCN - BOS
1 stop32h 43mUnited Airlines
Deal found 2/5$494
This Air Canada deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/103:40 pmBOS - BCN
1 stop12h 10mAir Canada
mar. 2/185:55 amBCN - BOS
2 stops15h 03mAir Canada
Deal found 2/5$512

Find flights from Boston to Barcelona within your budget

Customize your flight search to find flights from Boston to Barcelona 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 2,558,603 searches. Data last updated febrero 6, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

sáb. 2/22

10:40 pm-11:50 am

Nonstop7h 10m

Barcelona-El Prat

jue. 2/27

6:45 pm-9:40 pm

Nonstop8h 55m

$389

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

dom. 3/30

7:15 pm-9:50 pm

2 stops20h 35m

Barcelona-El Prat

vie. 4/4

7:20 am-6:00 pm

2 stops16h 40m

$395

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

mar. 4/8

7:15 pm-9:40 pm

1 stop20h 25m

Barcelona-El Prat

mié. 4/23

10:40 pm-6:00 pm

1 stop25h 20m

$417

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

dom. 3/30

8:50 pm-2:45 pm

1 stop11h 55m

Barcelona-El Prat

mar. 4/8

3:45 pm-11:35 am

1 stop25h 50m

$430

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

jue. 4/3

10:50 pm-12:15 pm

Nonstop7h 25m

Barcelona-El Prat

lun. 4/7

6:30 pm-9:05 pm

Nonstop8h 35m

$435

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

mié. 3/19

6:45 pm-6:20 pm

1 stop18h 35m

Barcelona-El Prat

mar. 3/25

7:10 pm-4:50 pm

1 stop26h 40m

$448

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

mar. 3/25

7:10 pm-11:45 am

1 stop11h 35m

Barcelona-El Prat

mar. 4/1

10:40 pm-8:05 pm

1 stop27h 25m

$477

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

mar. 3/25

7:39 pm-8:05 pm

2 stops19h 26m

Barcelona-El Prat

mar. 4/1

6:30 pm-9:05 pm

Nonstop8h 35m

$478

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

dom. 3/23

6:20 pm-11:15 pm

1 stop23h 55m

Barcelona-El Prat

jue. 3/27

6:25 am-2:00 pm

1 stop12h 35m

$484

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

mié. 3/12

7:25 pm-10:25 am

1 stop10h 00m

Barcelona-El Prat

jue. 4/3

12:50 pm-6:56 pm

1 stop12h 06m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Showing 1-10 of 27 results
1
2
3

Best time to book a flight from Boston to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona 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.

Travel insights for flights from Boston to Barcelona

Get recent, data-driven insights about flights from Boston to Barcelona including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Boston to Barcelona?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Barcelona. Price data was last updated on January 31, 2025.

The best time to book flights from Boston to Barcelona is 11 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Boston to Barcelona?

Currently, January is the cheapest month in which you can book a flight from Boston to Barcelona (average of $523). Flying from Boston to Barcelona in June is currently the most expensive (average of $1,096). 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated febrero 6, 2025.

It’s typically best to fly out from Boston to Barcelona in the evening. Doing so could potentially save you 40% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Boston to Barcelona?

Use this chart to determine the cheapest time to fly round-trip from Boston to Barcelona. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Barcelona flight should consider departing on Sunday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Barcelona by month

Plan your trip to Barcelona by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona when rainfall is around 0.8 in.

Temperature in Barcelona by month

Plan your trip to Barcelona by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona, 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 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. 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. Reviews last updated febrero 6, 2025.
Read through reviews of airlines operating flights from Boston to Barcelona, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

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.

8.0
Very good
8.0
Very good

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20