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Find cheap flights from Idaho to Barcelona from $423

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Barcelona departing on 5/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 6/6
Thu 6/13

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In the last 7 days travelers have searched 43,707,506 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$423
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly with an average 44% increase in price.
Flight from Boise to Barcelona

FAQs for booking Idaho to Barcelona flights

  • How does KAYAK find such low prices on flights from Idaho to Barcelona?

    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 Idaho to Barcelona.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Barcelona?

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

  • What is the Hacker Fare option on flights from Idaho to Barcelona?

    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 Barcelona with an airline and back to Idaho with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to Barcelona?

    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 Barcelona from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Idaho to Barcelona?

Find which airlines fly direct from Idaho to Barcelona-El Prat, which days they fly and book direct flights.

Nonstop departures

Idaho to Barcelona-El Prat

Monday

ANA, AccesRail, Aegean Airlines, +97 more

ANA, AccesRail, +98 more

Tuesday

ANA, AccesRail, Aegean Airlines, +92 more

ANA, AccesRail, +93 more

Wednesday

ANA, AccesRail, Aegean Airlines, +95 more

ANA, AccesRail, +96 more

Thursday

ANA, AccesRail, Aegean Airlines, +101 more

ANA, AccesRail, +102 more

Friday

ANA, AccesRail, Aegean Airlines, +96 more

ANA, AccesRail, +97 more

Saturday

ANA, AccesRail, Aegean Airlines, +88 more

ANA, AccesRail, +89 more

Sunday

ANA, AccesRail, Aegean Airlines, +102 more

ANA, AccesRail, +103 more

See more direct flights

Nonstop returns

Barcelona-El Prat to Idaho

Monday

ANA, AccesRail, Aegean Airlines, +97 more

ANA, AccesRail, +98 more

Tuesday

ANA, AccesRail, Aegean Airlines, +92 more

ANA, AccesRail, +93 more

Wednesday

ANA, AccesRail, Aegean Airlines, +95 more

ANA, AccesRail, +96 more

Thursday

ANA, AccesRail, Aegean Airlines, +101 more

ANA, AccesRail, +102 more

Friday

ANA, AccesRail, Aegean Airlines, +96 more

ANA, AccesRail, +97 more

Saturday

ANA, AccesRail, Aegean Airlines, +88 more

ANA, AccesRail, +89 more

Sunday

ANA, AccesRail, Aegean Airlines, +102 more

ANA, AccesRail, +103 more

See more direct flights
See more direct flights

Book cheap flights from Idaho to Barcelona

Recent round-trip flight deals

8/21Wed
1 stopUnited Airlines
22h 35mGEG-BCN
8/31Sat
2 stopsUnited Airlines
35h 42mBCN-GEG
$741
8/21Wed
1 stopUnited Airlines
22h 35mGEG-BCN
8/31Sat
2 stopsUnited Airlines
35h 47mBCN-GEG
$747
8/21Wed
3 stops
20h 20mGEG-BCN
8/31Sat
2 stops
33h 11mBCN-GEG
$752
10/6Sun
2 stopsAmerican Airlines
19h 36mBOI-BCN
10/17Thu
2 stopsAmerican Airlines
25h 46mBCN-BOI
$832
10/18Fri
2 stopsAmerican Airlines
20h 44mBOI-BCN
10/29Tue
2 stopsAmerican Airlines
26h 57mBCN-BOI
$884
10/13Sun
3 stopsAir Canada
19h 25mBOI-BCN
10/23Wed
3 stopsAir Canada
29h 32mBCN-BOI
$901
9/19Thu
2 stopsAir Canada
20h 40mBOI-BCN
10/4Fri
2 stopsAir Canada
42h 05mBCN-BOI
$934
10/18Fri
3 stops
19h 25mBOI-BCN
10/29Tue
2 stops
33h 22mBCN-BOI
$945
6/2Sun
2 stopsDelta
16h 35mBOI-BCN
6/13Thu
1 stopDelta
19h 04mBCN-BOI
$1,092
6/7Fri
1 stopDelta
25h 13mGEG-BCN
6/16Sun
2 stopsDelta
21h 52mBCN-GEG
$1,107

Search by stops

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Recent one-way flight deals

5/30Thu
3 stops
42h 05mBOI-BCN
$423
10/12Sat
2 stopsWestJet
22h 45mBOI-BCN
$484
5/30Thu
2 stops
53h 37mBOI-BCN
$539
5/29Wed
2 stops
55h 39mBOI-BCN
$574
5/30Thu
3 stops
39h 10mBOI-BCN
$615
10/12Sat
1 stopUnited Airlines
34h 50mBOI-BCN
$786
10/12Sat
3 stopsAir Canada
19h 25mBOI-BCN
$828
5/29Wed
1 stopUnited Airlines
23h 06mBOI-BCN
$960
5/30Thu
1 stopUnited Airlines
23h 06mBOI-BCN
$1,060
5/29Wed
1 stopLufthansa
20h 13mBOI-BCN
$1,381

Search by stops

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Search by price

Last minute flights from Idaho to Barcelona

Last minute flight, train and bus deals

5/10Fri
multi-stop
16h 20mGEG-BCN
5/11Sat
multi-stop
33h 41mBCN-GEG
$1,545
5/11Sat
multi-stop
23h 40mBOI-BCN
5/12Sun
multi-stop
35h 08mBCN-BOI
$2,011
5/11Sat
multi-stop
20h 50mBOI-BCN
5/12Sun
multi-stop
33h 25mBCN-BOI
$2,213
5/10Fri
multi-stopAmerican Airlines
18h 30mGEG-BCN
5/11Sat
multi-stopAmerican Airlines
16h 30mBCN-GEG
$2,404
5/11Sat
multi-stopBritish Airways
22h 00mBOI-BCN
5/12Sun
multi-stopBritish Airways
30h 10mBCN-BOI
$2,524
5/11Sat
multi-stop
30h 15mBOI-BCN
5/12Sun
multi-stop
32h 03mBCN-BOI
$3,572
5/11Sat
multi-stop
22h 00mBOI-BCN
5/12Sun
multi-stop
30h 37mBCN-BOI
$3,774
5/11Sat
multi-stopLufthansa
16h 12mBOI-BCN
5/12Sun
multi-stopLufthansa
15h 55mBCN-BOI
$4,793
5/10Fri
multi-stop
19h 25mGEG-BCN
5/11Sat
multi-stop
33h 15mBCN-GEG
$6,183
5/11Sat
multi-stopAir Canada
19h 05mBOI-BCN
5/12Sun
multi-stopAir Canada
29h 34mBCN-BOI
$6,233

Search by stops

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Flights to Barcelona

Destination:

Barcelona (BCN)Spain

Return flight deals:

Barcelona - Idaho

Cabin classes: