BOS - BCN

C$ 397 Find Cheap Flights from Boston to Barcelona – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 826
Typical prices: C$ 789-C$ 1,250
TAP AIR PORTUGAL
Wed 28/2Wed 7/3
BOS - BCN • 1 stop
Cheapest direct flights
C$ 900
Typical prices: C$ 795-C$ 1,268
KLM
Thu 18/10Mon 22/10
BOS - BCN • Direct
Direct flights
You can fly direct with JetBlue, Delta, and Iberia. Average duration is 7h 13m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 88% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 14 weeks in advance save around 21% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 26% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 717 (round-trip)
Shortest trip • 10h 39m (one-way)
Insights
Insights
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We hope you enjoy your trip to Barcelona-El Prat Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Boston to Barcelona (BOS-BCN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Barcelona

Sun, 28 Feb - Sun, 7 Mar
TAP AIR PORTUGAL Logo
6:00 p.m. - 1:45 p.m.BOS  Boston Logan Intl-BCN Barcelona-El Prat
13h 45m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:05 p.m. - 3:05 p.m.BCN  Barcelona-El Prat-BOS Boston Logan Intl
27h 00m1 stop Lisbon Humberto Delgado
C$ 826TAP AIR PORTUGAL
1 day ago
Wed, 3 Mar - Mon, 8 Mar
TAP AIR PORTUGAL Logo
6:00 p.m. - 1:45 p.m.BOS  Boston Logan Intl-BCN Barcelona-El Prat
13h 45m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
12:35 p.m. - 7:55 p.m.BCN  Barcelona-El Prat-BOS Boston Logan Intl
13h 20m1 stop Lisbon Humberto Delgado
C$ 835TAP AIR PORTUGAL
1 hour ago
Thu, 11 Mar - Tue, 16 Mar
TAP AIR PORTUGAL Logo
10:20 p.m. - 5:15 p.m.BOS  Boston Logan Intl-BCN Barcelona-El Prat
12h 55m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:45 a.m. - 3:45 p.m.BCN  Barcelona-El Prat-BOS Boston Logan Intl
14h 00m1 stop Lisbon Humberto Delgado
C$ 835TAP AIR PORTUGAL
1 hour ago
Wed, 17 Mar - Mon, 22 Mar
TAP AIR PORTUGAL Logo
7:00 p.m. - 5:15 p.m.BOS  Boston Logan Intl-BCN Barcelona-El Prat
17h 15m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
10:55 a.m. - 8:55 p.m.BCN  Barcelona-El Prat-BOS Boston Logan Intl
15h 00m1 stop Lisbon Humberto Delgado
C$ 835TAP AIR PORTUGAL
1 hour ago
Mon, 1 Mar - Sun, 7 Mar
TAP AIR PORTUGAL Logo
6:00 p.m. - 11:45 p.m.BOS  Boston Logan Intl-BCN Barcelona-El Prat
23h 45m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:45 a.m. - 2:00 p.m.BCN  Barcelona-El Prat-BOS Boston Logan Intl
13h 15m1 stop Lisbon Humberto Delgado
C$ 835TAP AIR PORTUGAL
20 hours ago
Mon, 1 Mar - Mon, 8 Mar
TAP AIR PORTUGAL Logo
6:00 p.m. - 10:05 a.m.BOS  Boston Logan Intl-BCN Barcelona-El Prat
10h 05m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:45 a.m. - 7:55 p.m.BCN  Barcelona-El Prat-BOS Boston Logan Intl
19h 10m1 stop Lisbon Humberto Delgado
C$ 836TAP AIR PORTUGAL
1 day ago
Sun, 28 Feb - Mon, 8 Mar
TAP AIR PORTUGAL Logo
6:00 p.m. - 1:45 p.m.BOS  Boston Logan Intl-BCN Barcelona-El Prat
13h 45m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:45 a.m. - 7:55 p.m.BCN  Barcelona-El Prat-BOS Boston Logan Intl
19h 10m1 stop Lisbon Humberto Delgado
C$ 836TAP AIR PORTUGAL
1 day ago
Mon, 1 Mar - Sun, 7 Mar
TAP AIR PORTUGAL Logo
6:00 p.m. - 1:45 p.m.BOS  Boston Logan Intl-BCN Barcelona-El Prat
13h 45m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
12:35 p.m. - 7:55 p.m.BCN  Barcelona-El Prat-BOS Boston Logan Intl
13h 20m1 stop Lisbon Humberto Delgado
C$ 836TAP AIR PORTUGAL
1 day ago
Wed, 18 Nov - Sun, 22 Nov
Icelandair Logo
7:50 p.m. - 1:40 p.m.BOS  Boston Logan Intl-BCN Barcelona-El Prat
11h 50m1 stop Reykjavik Keflavik Intl
Icelandair Logo
2:45 p.m. - 5:50 p.m.BCN  Barcelona-El Prat-BOS Boston Logan Intl
33h 05m1 stop Reykjavik Keflavik Intl
C$ 839Icelandair
3+ days ago
Wed, 13 Jan - Wed, 20 Jan
TAP AIR PORTUGAL Logo
6:00 p.m. - 1:45 p.m.BOS  Boston Logan Intl-BCN Barcelona-El Prat
13h 45m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:05 p.m. - 2:30 p.m.BCN  Barcelona-El Prat-BOS Boston Logan Intl
26h 25m1 stop Lisbon Humberto Delgado
C$ 841TAP AIR PORTUGAL
3+ days ago
Booking Insights

Price, demand, and travel trends for Boston to Barcelona-El Prat Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Boston to Barcelona-El Prat Airport?

Round-trip flights from Boston to Barcelona-El Prat Airport typically range from C$ 789 to C$ 1,250. The lowest price found in the past 5 days was C$ 826, on TAP AIR PORTUGAL.

What's the cheapest day of the week to fly from Boston to Barcelona-El Prat Airport?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Boston to Barcelona-El Prat Airport. It’s 5% cheaper than the average day, while Friday is the most expensive, with prices 6% higher.

What is the cheapest month to fly from Boston to Barcelona-El Prat Airport?

•January is the cheapest month to fly from Boston to Barcelona-El Prat Airport at C$ 751 round-trip.
•June (C$ 1,229) and December (C$ 1,158) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 63% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Boston to Barcelona-El Prat Airport the cheapest?

Flights from Boston to Barcelona-El Prat Airport are cheapest 14 weeks before departure. Booking in this window typically costs about 21% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Boston to Barcelona

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on BOS and BCN

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Key details for Boston to Barcelona-El Prat Airport flights

Low season

December

Cheapest flight

C$ 416
Beat the crowds with an average 46% drop in traveller numbers.
The most popular month to fly with an average 67% increase in traveller numbers.
One-way flight from Boston to Barcelona-El Prat Airport

When to book flights from Boston to Barcelona

Are your dates flexible? Find out the best times to travel from Boston to Barcelona based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boston to Barcelona-El Prat Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Boston to Barcelona-El Prat Airport?

    These are the earliest and latest flight times available from Boston to Barcelona-El Prat Airport:

    • Earliest: departs at 7:20 pm and lands at 2:33 am
    • Latest: departs at 11:35 pm and lands at 6:48 am.

    The flight takes about 7h 13m.

  • Which cabin classes can I book on flights from Boston to Barcelona-El Prat Airport?

    Two cabin classes are available on flights from Boston to Barcelona-El Prat Airport:

    • Economy Class
    • Premium Economy Class

  • How long does a flight from Boston to Barcelona-El Prat Airport take?

    A direct flight from Boston to Barcelona-El Prat Airport takes 7h 13m, covering 9,422 km.

  • Do I need a passport to fly from Boston to Barcelona-El Prat Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Boston to Barcelona-El Prat Airport flight?

    Round-trip flights from Boston to Barcelona-El Prat Airport range from C$ 789 to C$ 1,250, with an average of C$ 1,009 over the past 12 months. Anything below C$ 789 counts as a good deal.

  • How expensive are last-minute Boston to Barcelona-El Prat Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 11% above the C$ 1,009 route average. Book 14 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Boston to Barcelona-El Prat Airport?

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 717 round-trip via Kastrup Copenhagen (CPH), compared to C$ 1,025 for direct.

  • How does on-time performance compare across airlines flying from Boston to Barcelona-El Prat Airport?

    LEVEL is slightly above the route average for timely arrivals, while JetBlue has a lower on-time arrival rate. On-time arrival rates on Boston to Barcelona-El Prat Airport flights are:

    • LEVEL: 88% on time
    • JetBlue: 83% on time
    • Delta: 72% on time

    On average, flights on this route are punctual 82% of the time.

  • What is the standard checked bag allowance on flights from Boston to Barcelona-El Prat Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 78–C$ 142 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Boston to Barcelona-El Prat Airport?

    The Airbus A330-300 family is used most often on this route, operated mainly by Delta and Virgin Atlantic. Other aircraft seen on the route include Airbus A321neo variants.

  • Which airlines offer Wi-Fi on Boston to Barcelona-El Prat Airport flights?

    Four airlines offer in-flight Wi-Fi on Boston to Barcelona-El Prat Airport flights:

    • Delta
    • Virgin Atlantic
    • JetBlue
    • Iberia

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

  • How are flight prices from Boston to Barcelona-El Prat Airport looking right now?

    One-way fares from Boston to Barcelona-El Prat Airport are currently lower than usual. Average one-way flight prices are about C$ 495, which is 16% below the typical average for this route.

  • What car rental options are available at Barcelona-El Prat Airport (BCN)?

    Barcelona-El Prat Airport (BCN) hosts 5 major car rental companies, with daily rates starting from around C$ 2 for economy cars. Top options include:

    • Record go
    • NIZACARS
    • Goldcar Rental SP
    • CLICK RENT
    • DRIVALIA

  • Which airports can I use when flying from Boston to Barcelona-El Prat Airport?

    Flights from Boston to Barcelona-El Prat Airport usually depart from Boston Logan Intl (BOS) and arrive at Barcelona-El Prat (BCN).

  • What time of day has the fewest delays on flights from Boston to Barcelona-El Prat Airport?

    Night flights have the fewest delays on this route, while evening departures tend to have the most.

  • At what point is a flight considered delayed on the route from Boston to Barcelona-El Prat Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Boston to Barcelona-El Prat Airport route, 18% of flights were delayed in the past three months, with delays averaging 2h 11m.

  • Which airports do connecting flights from Boston to Barcelona-El Prat Airport pass through?

    One-stop flights from Boston to Barcelona-El Prat Airport most commonly connect through:

    • Lisbon Humberto Delgado (LIS) – 29% of one-stop connections
    • Frankfurt am Main (FRA) – 21% of one-stop connections
    • London Heathrow (LHR) – 9% of one-stop connections
    • Reykjavik Keflavik Intl (KEF) – 8% of one-stop connections

  • Can I save money by using flexible dates for flights from Boston to Barcelona-El Prat Airport?

    Yes. Flexible dates can save you up to 11% on flights from Boston to Barcelona-El Prat Airport. Wednesday is the cheapest departure day at C$ 959 round-trip on average, while Friday is the most expensive at C$ 1,077, a difference of C$ 118.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Boston to Barcelona-El Prat Airport?

    3 airlines operate flights between Boston and Barcelona-El Prat Airport. The airlines offering direct flights on this route include:

    • JetBlue
    • Delta
    • Iberia

  • How much time can I save by choosing a different layover airport when travelling from Boston to Barcelona-El Prat Airport?

    Flying via Madrid Barajas (MAD) gives the shortest average 1-stop total travel time at 10h 39m, compared with 10h 51m via Ponta Delgada Nordela (PDL) and 11h 20m via Paris Charles de Gaulle (CDG).

  • What is the time difference between Boston and Barcelona-El Prat Airport?

    Barcelona-El Prat Airport is 6 hours ahead of Boston (Central European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which popular places can I visit in Barcelona-El Prat Airport?

    Some of the most popular sights in Barcelona-El Prat Airport are La Rambla, Sagrada Familia, and Placa de Catalunya. These are among the most viewed places in Barcelona-El Prat Airport on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Boston to Barcelona-El Prat Airport flights?

    Among airlines operating Boston to Barcelona-El Prat Airport flights:

    • Delta: offers extra legroom; offers free seat selection
    • LEVEL: offers extra legroom; offers free seat selection
    • Virgin Atlantic: offers extra legroom; offers free seat selection
    • JetBlue: offers extra legroom; offers free seat selection
    • Iberia: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Boston to Barcelona-El Prat Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Delta: a carry-on bag and a checked bag in Economy Class
    • LEVEL: a carry-on bag and a checked bag in Economy Class
    • Virgin Atlantic: a carry-on bag and a checked bag in Economy Class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

  • How do I get to downtown Barcelona from El Prat Airport?

    El Prat Airport is accessible by several public transportation options. Aerobus, taxi services, and Metro L11 are all conveniently connected to downtown Barcelona. If you wish to hire a car, many car rental companies operate out of BNC. The car hire kiosks can be found at both terminals near the baggage claim.

  • Can I fly non-stop from Boston to Barcelona?

    There are no non-stop flights from Boston Logan to Barcelona, but several airlines provide flights with only one stop, including Tap Air Portugal, Lufthansa, Iberia, and Delta.

  • I have a long wait for a connecting flight. Is there an on-site hotel at Boston Logan?

    There are two hotels on Boston Logan property for guests to stay between flights: The Hilton Boston Logan and the Hyatt Harborside. The Hilton connects to Boston Logan via an enclosed sky bridge, and provides complimentary shuttle service to all terminals. The Hyatt also has shuttle service, and includes a business center and fitness center for its guests.

  • Is there a passenger lounge at BNC where I can wait for my flight?

    Yes, passengers flying with any airline are free to use a selection of lounges at Barcelona El Prat. The lounges have comfortable seating and provide guests with food, drink, and wi-fi. Some lounges even include showers.

Your guide to booking Boston to Barcelona-El Prat Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Friday. On this route, Wednesday flights average C$ 959, about C$ 118 less than Friday fares (11% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 14 weeks before you fly. On this route, that window historically saves about 21% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boston to Barcelona-El Prat Airport trip for January. Fares historically average C$ 751 round-trip in that month – typically C$ 479 less than the most expensive month, which is June (based on the last 12 months).
  • For the best chance of arriving on time, fly with LEVEL. Over the past three months, 88% of LEVEL flights from Boston to Barcelona-El Prat Airport arrived on time, slightly above the route average of 82%. When flights on this route arrive late, they're delayed by an average of 2h 11m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Kastrup Copenhagen Airport (CPH) can be cheaper than flying direct. The cheapest layover option averages C$ 717 round-trip on this route – about C$ 308 less than direct flights (based on the last 12 months).
  • Boston Logan International Airport (BOS) is a comfortable hub for passengers, with art exhibits, a spa, and a children’s play area. Boston Logan is the location of Our Lady of the Airways, a non-denominational chapel and 9/11 memorial that travelers can visit before their flight.
  • The Silver Line between Logan Airport and South Station is a free bus service for travelers who need to take public transportation in Boston. South Station provides connections to a number of bus and train services. Boston Logan is also accessible by water taxi and ferry, and bike racks are available in multiple convenient locations for those commuting to the airport by bike.
  • For those driving themselves to the airport, Boston Logan has short-term and extended stay parking options depending on the length of your trip. There is also an economy parking lot with free shuttle bus transportation to every terminal.
  • In order to better assist passengers who are blind, Boston Logan is partnered with Aira, a convenient service that provides live assistance via mobile app and smart glasses. Signage is equipped with Braille as well. The airport also allows service animals, and animal relief areas are provided outside all terminals.
  • Barcelona El Prat Airport (BNC) services the majority of Spain’s international flights, and is the second-busiest airport in Spain. The airport provides a number of services for passengers, including restaurants, currency exchange, chapel, and a play area for kids. Passengers who need to wait for a connecting flight have their choice of hotels near El Prat, including an on-site hotel located in Terminal 1’s business center area. BNC also offers free shuttle services for passengers transferring from one terminal to another.

More options for your flight from Boston to Barcelona

Complete your trip to Barcelona with a hotel stay or car rental