To Barcelona

Cheap Flights from Boise to Barcelona

Browse current best options from Boise. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Boise

RatePunk searches hundreds of travel sites at once for deals on flights to Barcelona

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Boise to Barcelona

Explore current cheapest deals departing from Boise to Barcelona

Round trip

Sort by: Cheapest

October 8 - October 21

Cheapest

Best

BOI - Barcelona

$970

$745

Round trip

October 7 - October 20

BOI - Barcelona

$963

$758

Round trip

November 3 - November 11

BOI - Barcelona

$865

$770

Round trip

October 14 - October 21

BOI - Barcelona

$983

$791

Round trip

September 22 - September 30

BOI - Barcelona

$953

$792

Round trip

October 12 - October 21

BOI - Barcelona

$982

$799

Round trip

October 5 - October 15

BOI - Barcelona

$955

$799

Round trip

September 20 - September 30

Earliest

BOI - Barcelona

$928

$799

Round trip

November 17 - November 24

BOI - Barcelona

$874

$799

Round trip

November 15 - November 24

BOI - Barcelona

$874

$799

Round trip

Unlock all 500+ flight deals to Barcelona and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Boise to Barcelona

For travelers looking for cheap flights from Boise to Barcelona, prices right now are above the typical level. Fares typically range from $708–$1201, with a median of $873. Only 1% of recent fares were classified as a good price, indicating that finding lower prices may require flexibility or advance planning. New deals appear almost daily, suggesting consistent opportunities for price monitoring.

When is the cheapest time to fly from Boise to Barcelona? The most affordable month to fly is January, with a median fare of $458. Other cost-effective options include December, with a median of $569, and July, where the median fare is $577. These months offer significantly lower prices compared to the overall median.

A typical journey from Boise to Barcelona takes about 35h 17m, including connections. Most itineraries connect at least once, with a median of 3 stopovers for connecting flights. There are no direct flights from Boise to Barcelona, so all travel plans will involve at least one stop.

The route from Boise to Barcelona covers a significant distance of 8746 km, classifying it as a long-haul journey. This considerable distance contributes to the longer travel times and the necessity for connecting flights.

How much is a round trip from Boise to Barcelona

Regular price: $811 - $1,508

Prices for flights from Boise to Barcelona are currently below the regular range.

The regular price range for this route is $811 to $1508. The current lowest deal is $745 with Condor Flugdienst, for travel from Oct 8 to Oct 21.

now $745

Low $811

High $1,508

The cheapest time to fly from Boise to Barcelona

The cheapest month to fly from Boise to Barcelona is January, with a median price of $458. The most expensive month is September, with a median price of $1168. Prices are generally lower from January to December.

January

Cheapest

Flights from $458

September

Most Expensive

Flights from $1,168

Jan

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Boise to Barcelona

United Airlines

Icelandair

Alaska Airlines, Inc.

Frontier Airlines

Last-minute flights going from Boise to Barcelona

Sat, Jun 20

⌛ Last-Minute

BOI - Barcelona

Boise (BOI) - Barcelona (BCN)

Icelandair

$1,434

$2,763

One-way

Sat, Jun 20

⌛ Last-Minute

BOI - Barcelona

Boise (BOI) - Barcelona (BCN)

Icelandair

$1,443

$2,894

One-way

Mon, Jun 22

⌛ Last-Minute

BOI - Barcelona

Boise (BOI) - Barcelona (BCN)

Condor Flugdienst

$1,254

$1,319

One-way

Tue, Jun 23

⌛ Last-Minute

BOI - Barcelona

Boise (BOI) - Barcelona (BCN)

Icelandair

$1,390

$2,758

One-way

Thu, Jun 25

⌛ Last-Minute

BOI - Barcelona

Boise (BOI) - Barcelona (BCN)

United Airlines

$1,206

$1,579

One-way

Tue, Jul 7

⌛ Last-Minute

BOI - Barcelona

Boise (BOI) - Barcelona (BCN)

Alaska Airlines, Inc., Air France

$1,119

$3,130

One-way

Biggest price drops on these dates for flights from Boise to Barcelona

7 nights

Dec 11 - Dec 18

$1,089 → $856

21%

7 nights

Dec 7 - Dec 14

$1,089 → $857

21%

7 nights

Dec 3 - Dec 10

$1,085 → $854

21%

7 nights

Dec 4 - Dec 11

$1,085 → $857

21%

Popular Airports to fly from Boise to Barcelona

Boise - Barcelona route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Boise to Barcelona are above the typical level at $745.

📅 Best time to fly

January is historically cheapest at $458

Historically, January is the cheapest month to fly from Boise to Barcelona, with a median price of $458.

⏱️ Flight duration

Connecting flights average 35h 17m

Connecting flights from Boise to Barcelona typically average 35 hours and 17 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant on this route, with a median of 3 stopovers.

🏆 Airline highlight

United Airlines has 26 deals

United Airlines has 26 deals for connecting flights from Boise to Barcelona.

🎯 Booking tip

Frequent deals are available

Deals for flights from Boise to Barcelona are frequent, with over 1 deal per day.

Boise main airports to depart from

Boise (BOI)

Cheapest

Boise Airport (BOI) is a good option for flights from Boise to Barcelona.

📍 ~5 km from city center (reachable by car)

💸 Flights from ~$745

Barcelona main airports to arrive at

Barcelona–El Prat (BCN)

Cheapest

Barcelona–El Prat Airport is a primary gateway to Barcelona and the surrounding Catalonia region.

📍 ~12 km from city center (reachable by car, bus, train, metro)

💸 Flights from ~$745

Airports nearby Barcelona used as alternative

Girona–Costa Brava (GRO)

Girona–Costa Brava Airport is a useful alternative, especially for travelers using low-cost carriers to the region.

📍 ~75 km from Barcelona (reachable by bus and rail)

💸 Flights from ~$1127

Reus (REU)

Cheapest

Reus Airport is a reliable secondary option, offering good accessibility for southern Catalonia.

📍 ~90 km from Barcelona (reachable by road)

💸 Flights from ~$1017

Perpignan–Rivesaltes (PGF)

Perpignan–Rivesaltes Airport can be a viable cross-border alternative, accessible via high-speed rail.

📍 ~160 km from Barcelona (reachable by high-speed rail)

💸 Flights from ~$1059

Lleida–Alguaire (ILD)

Lleida–Alguaire Airport is a regional alternative within Catalonia, though with infrequent commercial flights.

📍 ~135 km from Barcelona (reachable by car)

💸 Flights from ~$1356

Castellón–Costa Azahar (CDT)

Castellón–Costa Azahar Airport is an option for the southernmost part of the region, despite its distance.

📍 ~240 km from Barcelona (reachable by car)

💸 Flights from ~$1143

Business & First Class Flight Deals to Barcelona

Barcelona, Spain

68% AI deal score

$39,173

From BOI

Elite

Jun 25

Barcelona, Spain

68% AI deal score

$6,824

Frequently Asked Questions About Flights to Barcelona

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking flights in advance, often several months out, may help you secure better prices. However, prices can fluctuate, so monitoring fares over time is usually a good strategy. Mid-week bookings might also present more favorable rates.

Comparing nearby airports at both your origin and destination can sometimes lead to more affordable flight options. While it may add to your travel time, the potential savings on airfare can be significant. Always factor in the cost and convenience of ground transportation.

Related routes

Consider alternative routes from Boise

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