BOI - BCN

$434 Find Cheap Flights from Boise to Barcelona - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$578
Typical prices: $779-$1,071
Multiple Airlines
Wed 11/7Sun 11/18
BOI - BCN • 2 stops
Cheapest one-way
$362
Typical prices: $452-$787
Finnair
Thu 12/27
BOI - BCN • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Boise and Barcelona-El Prat Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 43% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
San Francisco (SFO)
Cheapest • Avg $819 (round-trip)
Seattle/Tacoma Intl (SEA)
Shortest trip • 15h 28m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Barcelona-El Prat Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Boise to Barcelona (BOI-BCN)

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

Recent round-trip flight deals from Boise to Barcelona

Sat, Nov 7 - Wed, Nov 18
Multiple Airlines Logo
12:31 pm - 9:35 amBOI  Boise Air Term. Gowen Fld-BCN Barcelona-El Prat
37h 04m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
1:35 pm - 11:31 amBCN  Barcelona-El Prat-BOI Boise Air Term. Gowen Fld
29h 56m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$578Multiple Airlines
Sat, Nov 7 - Wed, Nov 18
Multiple Airlines Logo
12:31 pm - 9:35 amBOI  Boise Air Term. Gowen Fld-BCN Barcelona-El Prat
37h 04m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
1:35 pm - 11:31 amBCN  Barcelona-El Prat-BOI Boise Air Term. Gowen Fld
29h 56m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$585Multiple Airlines
Sat, Nov 7 - Wed, Nov 18
United Airlines Logo
5:44 pm - 9:00 amBOI  Boise Air Term. Gowen Fld-BCN Barcelona-El Prat
31h 16m2 stops Denver Intl Washington, D.C. Dulles Intl
United Airlines Logo
3:10 pm - 10:51 pmBCN  Barcelona-El Prat-BOI Boise Air Term. Gowen Fld
15h 41m1 stop Chicago O'Hare Intl
$599United Airlines
Sun, Oct 11 - Wed, Oct 21
Delta Logo
11:10 pm - 12:50 pmBOI  Boise Air Term. Gowen Fld-BCN Barcelona-El Prat
29h 40m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:20 pm - 10:08 pmBCN  Barcelona-El Prat-BOI Boise Air Term. Gowen Fld
16h 48m1 stop Seattle/Tacoma Intl
$600Delta
Wed, Nov 11 - Thu, Nov 26
United Airlines Logo
12:31 pm - 1:15 pmBOI  Boise Air Term. Gowen Fld-BCN Barcelona-El Prat
16h 44m1 stop Chicago O'Hare Intl
United Airlines Logo
3:10 pm - 11:31 amBCN  Barcelona-El Prat-BOI Boise Air Term. Gowen Fld
28h 21m1 stop Chicago O'Hare Intl
$602United Airlines
Sun, Oct 11 - Wed, Oct 21
Delta Logo
11:10 pm - 12:50 pmBOI  Boise Air Term. Gowen Fld-BCN Barcelona-El Prat
29h 40m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:10 am - 10:08 pmBCN  Barcelona-El Prat-BOI Boise Air Term. Gowen Fld
23h 58m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl
$627Delta
Tue, Dec 8 - Sun, Apr 25
Air Canada Logo
5:35 pm - 9:35 amBOI  Boise Air Term. Gowen Fld-BCN Barcelona-El Prat
32h 00m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
12:15 pm - 9:43 amBCN  Barcelona-El Prat-BOI Boise Air Term. Gowen Fld
29h 28m2 stops Montreal Pierre Elliott Trudeau Intl Denver Intl
$642Air Canada
Sun, Dec 6 - Sun, Jan 10
Air Canada Logo
6:15 am - 9:35 amBOI  Boise Air Term. Gowen Fld-BCN Barcelona-El Prat
19h 20m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
1:15 pm - 9:39 amBCN  Barcelona-El Prat-BOI Boise Air Term. Gowen Fld
52h 24m2 stops Toronto Pearson Intl Denver Intl
$646Air Canada
Sat, Nov 7 - Wed, Nov 18
Iberia Logo
7:00 am - 8:50 amBOI  Boise Air Term. Gowen Fld-BCN Barcelona-El Prat
17h 50m1 stop Dallas/Fort Worth
Iberia Logo
10:40 am - 10:42 pmBCN  Barcelona-El Prat-BOI Boise Air Term. Gowen Fld
20h 02m1 stop Dallas/Fort Worth
$710Iberia
Tue, Mar 2 - Fri, Mar 5
Iberia Logo
7:00 am - 9:45 amBOI  Boise Air Term. Gowen Fld-BCN Barcelona-El Prat
18h 45m2 stops Dallas/Fort Worth Madrid Barajas
Iberia Logo
10:40 am - 9:30 pmBCN  Barcelona-El Prat-BOI Boise Air Term. Gowen Fld
18h 50m1 stop Dallas/Fort Worth
$721Iberia
Booking Insights

Price, demand and travel trends for Boise 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.

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

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Boise to Barcelona-El Prat Airport. It’s 11% cheaper than the average day, while Friday is the most expensive, with prices 13% higher.

What’s the cheapest month to fly from Boise to Barcelona-El Prat Airport?

•February is the cheapest month to fly from Boise to Barcelona-El Prat Airport at $495 round-trip.
•May ($1,207) and June ($1,178) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 143% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Boise to Barcelona-El Prat Airport flights

Low season

December

Cheapest flight

$362
Beat the crowds with an average 48% drop in travelers.
One-way flight from Boise to Barcelona-El Prat Airport

When to book flights from Boise to Barcelona

Are your dates flexible? Find out the best times to travel from Boise 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 Boise to Barcelona-El Prat Airport flight questions, answered

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

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

    Four cabin classes are available on flights from Boise to Barcelona-El Prat Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Boise to Barcelona-El Prat Airport?

    A nonstop flight from Boise to Barcelona-El Prat Airport takes 00m, covering 5,431 miles.

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

    Round-trip flights from Boise to Barcelona-El Prat Airport range from $779 to $1,071, with an average of $869 over the past 12 months. Anything below $779 counts as a good deal.

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

    One-way fares from Boise to Barcelona-El Prat Airport are currently lower than usual. Average one-way flight prices are about $512, 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 $2 for economy cars. Top options include:

    • Record go
    • NIZACARS
    • Goldcar Rental SP
    • CLICK RENT
    • Ok Mobility

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

    Flights from Boise to Barcelona-El Prat Airport usually depart from Boise Air Term. Gowen Fld (BOI) and arrive at Barcelona-El Prat (BCN).

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

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

    • Dallas/Fort Worth (DFW) - 56% of one-stop connections
    • San Francisco (SFO) - 21% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 13% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 4% of one-stop connections

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

    Yes. Flexible dates can save you up to 22% on flights from Boise to Barcelona-El Prat Airport. Monday is the cheapest departure day at $778 round-trip on average, while Friday is the most expensive at $990, a difference of $212.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

    Flying via Seattle/Tacoma Intl (SEA) gives the shortest average 1-stop total travel time at 15h 28m, compared with 15h 49m via San Francisco (SFO) and 16h 12m via Chicago O'Hare Intl (ORD).

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

    Barcelona-El Prat Airport is 8 hours ahead of Boise (Central European Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What 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.

Your guide to booking Boise 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 Monday departure and avoid flying on Friday. On this route, Monday flights average $778, about $212 less than Friday fares (21% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boise to Barcelona-El Prat Airport trip for February. Fares historically average $495 round-trip in that month - typically $712 less than the most expensive month, which is May (based on the last 12 months).

More options for your flight from Boise to Barcelona

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

Car rentals in Barcelona
Hotels in Barcelona
Vacations in Barcelona