662 € Cheap Flights from Boise to Barcelona

Compare Boise to Barcelona flight deals

Find the cheapest month or even day of the year to fly to Barcelona

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Flight deals from Boise to Barcelona

Looking for a cheap last-minute deal or the best return flight from Boise to Barcelona? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Boise to Barcelona

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boise to Barcelona flights are currently cheapest in October.

Boise to Barcelona: Alternative routes

Compare routes from Boise to Barcelona below. You may find an airport to fly into that's cheaper, faster, or easier than Barcelona.

Boise to Barcelona: Flight information

The things to know before you go.
Cheapest flight found662 €
Cheapest month to flyOctober

Finding cheap flights from Boise to Barcelona: Frequently asked questions

The best price we found for a return flight from Boise to Barcelona is 662 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Boise to Barcelona. But we found flights with one or more stops from 662 €.
As of February 2026, there are no flights flying from Boise to Barcelona.
The cheapest month to fly from Boise to Barcelona is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boise Airport to Barcelona Airport on Monday, 19 October 2026.
No airlines currently offer direct flights between Boise Airport and Barcelona Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Barcelona but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Barcelona is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Barcelona.

Travelling from Boise Air Terminal (Gowen Field) Airport (BOI) to Barcelona-El Prat Airport (BCN): what you need to know

  • The timezone in Barcelona is UTC+1, which is seven hours ahead of Boise.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This way, you can comfortably catch your BOI to BCN flight.

  • Be prepared for bigger queues during popular months such as July. Arriving up to four hours ahead of international flights and two hours for domestic departures will give you ample time for security and boarding.

  • We make it a cinch to book a flight with a stopover. To see all your options for tickets from Boise Air Terminal (Gowen Field) Airport to Barcelona-El Prat Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to explore your chosen city. Top stopovers between BOI and BCN include:

    • O'Hare International Airport

    • Los Angeles International Airport

    • San Francisco International Airport

How to find the cheapest flights from Boise Air Terminal (Gowen Field) Airport (BOI) to Barcelona-El Prat Airport (BCN)

  • The cheapest price we've found for a one-way Boise Air Terminal (Gowen Field) Airport to Barcelona-El Prat Airport flight is 277 €. A return plane ticket is currently 662 €. Depending on the availability when you book, these fares could change.

  • To get your hands on cheap tickets from BOI to BCN, book as early as you can. Airlines generally offer their most competitively priced fares when flights are first released.

  • If you can be flexible with your travel dates, try using the 'Whole month' search function. It'll find the lowest price across every month when looking for a flight from Boise Air Terminal (Gowen Field) Airport to Barcelona-El Prat Airport.

  • You won't have to check back in every day to see if fares have dropped when you create a Price Alert. We'll notify you as soon as there's a better deal on cheap flights from BOI to BCN.

  • Tailor your trip using filters. Select your arrival and departure times, total journey duration and airlines. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from Boise Air Terminal (Gowen Field) Airport to Barcelona-El Prat Airport.

Handy information about Boise Air Terminal (Gowen Field) Airport (BOI)

  • BOI's address is 3201 Airport Way.

  • Boise Air Terminal (Gowen Field) Airport gets top marks for its on-time performance. 83.53% of flights that take off from BOI arrive at their destination as scheduled.

  • Boise Air Terminal (Gowen Field) Airport is around 18 kilometres from central Boise. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 20 minutes or so to get there, depending on the traffic.

  • The trip on public transport takes roughly 1 hour 35 minutes.

  • Get your journey off to a hassle-free start by staying near BOI. Whether you have an early flight from Boise Air Terminal (Gowen Field) Airport to Barcelona-El Prat Airport or want to avoid feeling rushed, these stays are the answer:

Arriving at Barcelona-El Prat Airport (BCN)

Getting from Barcelona-El Prat Airport (BCN) to central Barcelona

  • Barcelona-El Prat Airport to central Barcelona has a drive time of around 25 minutes. It's approximately 18 kilometres away.

  • Travelling to the centre by public transport typically takes 35 minutes.

When to fly to Barcelona-El Prat Airport (BCN)

  • July is the most popular month for flights from Boise Air Terminal (Gowen Field) Airport to Barcelona-El Prat Airport. To skip the crowds, travel to Barcelona in January.

  • Book your flight from Boise Air Terminal (Gowen Field) Airport to Barcelona-El Prat Airport for August if you'd like to explore Barcelona during its warmest month. Expect temperatures of between 20ºC (68ºF) and 31ºC (88ºF).

  • January sees average temperatures of between 5ºC (41ºF) and 14ºC (57ºF). Look for cheap tickets from BOI to BCN sometime around then if you'd rather travel in cooler conditions.

Explore more of Spain

  • You've seen Barcelona, now it's time to explore other corners of Spain. Journey around 257 kilometres west to Zaragoza to check off its top sights. From Puente de Piedra to Museo Pablo Gargallo and El Tubo, your itinerary will be busy.

  • Logroño is another essential stop in Spain and is around 402 kilometres west of Barcelona. No trip is complete without visiting Concatedral de Santa Maria de la Redonda, Museo de la Rioja and Iglesia de Santiago el Real.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.