$312 Find cheap flights from Barcelona to Boise

In the last 3 days, the lowest price for a flight from Barcelona-El Prat Airport to Boise was $312 for a one-way ticket and $990 for a round-trip.

Yes, you'll most likely have to show a valid passport before boarding the plane in Barcelona and on arrival in Boise.

Barcelona and Boise are both served by 1 main airport. You will leave Barcelona from Barcelona-El Prat and will be arriving at Boise Air Term. Gowen Fld.

We unfortunately don’t have that data for this specific route.

SkyTeam, and Star Alliance are the airline alliances operating flights between Barcelona and Boise, with SkyTeam being the most commonly used for this route.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Barcelona to Boise.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boise from Barcelona is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boise with an airline and back to Barcelona with another airline. Booking your flights between Barcelona and BOI can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boise from Barcelona up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.