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Find cheap flights from Idaho to Spain from $604

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 9/10. 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 6/27
Thu 7/4

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In the last 7 days travelers have searched 42,816,550 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$604
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 Madrid

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

10/15Tue
2 stops
26h 35mBOI-BCN
10/23Wed
2 stops
32h 27mBCN-BOI
$720
10/29Tue
2 stopsAmerican Airlines
25h 19mGEG-MAD
11/12Tue
1 stopAmerican Airlines
17h 00mMAD-GEG
$732
10/13Sun
1 stopUnited Airlines
21h 15mBOI-BCN
10/23Wed
2 stopsUnited Airlines
33h 02mBCN-BOI
$763
11/23Sat
2 stopsUnited Airlines
37h 22mBOI-MAD
12/3Tue
3 stopsUnited Airlines
32h 47mMAD-BOI
$764
10/6Sun
2 stopsAir Canada
35h 05mBOI-BCN
10/17Thu
2 stopsAir Canada
37h 41mBCN-BOI
$785
11/14Thu
2 stopsDelta
19h 05mBOI-MAD
11/22Fri
1 stopDelta
19h 53mMAD-BOI
$788
11/14Thu
1 stopDelta
24h 50mBOI-MAD
11/22Fri
1 stopDelta
19h 53mMAD-BOI
$789
9/10Tue
2 stopsAir Canada
30h 30mBOI-BCN
10/1Tue
2 stopsAir Canada
41h 04mBCN-BOI
$793
8/15Thu
1 stopIberia
17h 55mBOI-MAD
9/20Fri
1 stopIberia
16h 56mMAD-BOI
$884
8/13Tue
1 stopIberia
16h 54mBOI-MAD
9/18Wed
1 stopIberia
16h 56mMAD-BOI
$889

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Recent one-way flight deals

9/10Tue
1 stopIberia
22h 54mBOI-MAD
$604
9/10Tue
3 stops
29h 41mBOI-MAD
$614
9/10Tue
2 stopsAmerican Airlines
22h 14mBOI-MAD
$616
8/30Fri
2 stopsAmerican Airlines
45h 46mGEG-BCN
$646
9/12Thu
2 stops
29h 26mBOI-BCN
$646
10/12Sat
2 stopsUnited Airlines
30h 30mBOI-BCN
$707
9/12Thu
2 stopsBritish Airways
24h 16mBOI-BCN
$716
10/12Sat
1 stopUnited Airlines
34h 50mBOI-BCN
$721
11/13Wed
2 stopsLufthansa
19h 15mBOI-VLC
$746
8/30Fri
1 stopLufthansa
22h 35mGEG-BCN
$970

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Last minute flights from Idaho to Spain

Last minute flight, train and bus deals

6/2Sun
multi-stopAir Canada
42h 46mBOI-BCN
6/13Thu
multi-stopAir Canada
42h 12mBCN-BOI
$744
6/2Sun
multi-stopUnited Airlines
23h 06mBOI-BCN
6/13Thu
multi-stopUnited Airlines
32h 23mBCN-BOI
$751
6/2Sun
multi-stopUnited Airlines
21h 45mBOI-BCN
6/13Thu
multi-stopUnited Airlines
32h 23mBCN-BOI
$755
6/2Sun
multi-stopUnited Airlines
30h 45mBOI-BCN
6/13Thu
multi-stopUnited Airlines
32h 23mBCN-BOI
$769
5/29Wed
multi-stopUnited Airlines
22h 35mGEG-BCN
6/8Sat
multi-stopUnited Airlines
16h 40mBCN-GEG
$799
5/29Wed
multi-stop
28h 21mGEG-BCN
6/8Sat
multi-stop
37h 52mBCN-GEG
$1,248
6/2Sun
multi-stop
18h 40mBOI-BCN
6/13Thu
multi-stop
29h 30mBCN-BOI
$1,256
5/29Wed
multi-stop
24h 41mGEG-BCN
6/8Sat
multi-stop
37h 52mBCN-GEG
$1,279
6/2Sun
multi-stop
18h 15mBOI-BCN
6/13Thu
multi-stop
31h 12mBCN-BOI
$1,309
5/29Wed
multi-stopLufthansa
19h 49mBOI-BIO
7/2Tue
multi-stopLufthansa
31h 20mBIO-BOI
$1,654

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Flights to Spain

Return flight deals:

Spain - Idaho

Cabin classes: