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Find cheap flights from Idaho to Spain from $484

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Idaho to Spain departing on 9/12. 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
Mon 7/1
Mon 7/8

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In the last 7 days travelers have searched 42,787,818 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$484
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly with an average 37% increase in price.
Flight from Boise to Barcelona

FAQs for booking flights from Idaho to Spain

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

    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 Spain.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Spain 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 Spain?

    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 Spain 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 Spain?

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

See more FAQs

Book cheap flights from Idaho to Spain

Recent round-trip flight deals

11/12Tue
2 stopsAmerican Airlines
18h 54mBOI-BCN
11/22Fri
2 stopsAmerican Airlines
28h 17mBCN-BOI
$623
10/29Tue
2 stopsAmerican Airlines
18h 30mGEG-MAD
11/12Tue
2 stopsAmerican Airlines
21h 04mMAD-GEG
$627
11/17Sun
2 stops
28h 52mBOI-BCN
11/27Wed
3 stops
32h 45mBCN-BOI
$637
10/15Tue
1 stopUnited Airlines
17h 30mBOI-BCN
10/25Fri
2 stopsUnited Airlines
42h 27mBCN-BOI
$662
10/15Tue
2 stopsUnited Airlines
18h 06mBOI-BCN
10/25Fri
2 stopsUnited Airlines
42h 27mBCN-BOI
$667
11/3Sun
1 stop
23h 49mGEG-MAD
11/17Sun
2 stops
19h 39mMAD-GEG
$678
10/6Sun
2 stopsAir Canada
32h 20mBOI-BCN
10/17Thu
2 stopsAir Canada
40h 59mBCN-BOI
$684
10/13Sun
3 stopsAir Canada
19h 25mBOI-BCN
10/23Wed
3 stopsAir Canada
29h 32mBCN-BOI
$695
11/17Sun
1 stopDelta
24h 45mBOI-BCN
11/27Wed
2 stopsDelta
32h 48mBCN-BOI
$704
7/10Wed
2 stopsDelta
17h 45mGEG-MAD
8/28Wed
1 stopDelta
33h 41mMAD-GEG
$735

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Recent one-way flight deals

9/12Thu
3 stops
36h 21mBOI-BCN
$484
9/12Thu
3 stops
36h 21mBOI-BCN
$490
10/12Sat
2 stops
33h 11mBOI-BCN
$519
8/1Thu
3 stops
28h 18mGEG-BCN
$537
9/12Thu
2 stopsWestJet
22h 25mBOI-BCN
$565
7/8Mon
1 stopIberia
21h 25mGEG-MAD
$577
10/12Sat
1 stopUnited Airlines
34h 50mBOI-BCN
$610
8/1Thu
2 stopsWestJet
36h 03mGEG-BCN
$644
6/29Sat
1 stopAmerican Airlines
21h 15mGEG-BCN
$677
6/29Sat
1 stopAmerican Airlines
31h 07mBOI-MAD
$861

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Last minute flights from Idaho to Spain

Last minute flight, train and bus deals

6/2Sun
multi-stopUnited Airlines
23h 06mBOI-BCN
6/13Thu
multi-stopUnited Airlines
42h 12mBCN-BOI
$683
6/3Mon
multi-stopUnited Airlines
18h 00mBOI-BCN
6/19Wed
multi-stopUnited Airlines
15h 47mBCN-BOI
$696
6/2Sun
multi-stopUnited Airlines
33h 54mBOI-BCN
6/13Thu
multi-stopUnited Airlines
42h 12mBCN-BOI
$700
6/2Sun
multi-stopDelta
19h 59mBOI-BCN
6/13Thu
multi-stopDelta
19h 04mBCN-BOI
$709
6/3Mon
multi-stopUnited Airlines
33h 50mBOI-MAD
6/12Wed
multi-stopUnited Airlines
34h 19mMAD-BOI
$714
6/2Sun
multi-stopUnited Airlines
35h 00mBOI-BCN
6/13Thu
multi-stopUnited Airlines
32h 23mBCN-BOI
$716
6/3Mon
multi-stopDelta
20h 50mBOI-MAD
6/12Wed
multi-stopDelta
33h 41mMAD-BOI
$731
6/2Sun
multi-stop
18h 40mBOI-BCN
6/13Thu
multi-stop
29h 30mBCN-BOI
$1,211
6/2Sun
multi-stop
56h 35mBOI-BCN
6/13Thu
multi-stop
52h 28mBCN-BOI
$1,224
6/3Mon
multi-stopIberia
35h 30mBOI-MAD
6/12Wed
multi-stopIberia
20h 51mMAD-BOI
$1,526

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Flights to Spain

Return flight deals:

Spain - Idaho

Cabin classes: