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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 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
sáb. 6/22
sáb. 6/29

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In the last 7 days travelers have searched 43,800,826 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

10/29mar.
2 stopsAmerican Airlines
21h 29mGEG-MAD
11/12mar.
2 stopsAmerican Airlines
32h 11mMAD-GEG
$735
7/6sáb.
1 stopAmerican Airlines
24h 14mBOI-MAD
7/17mié.
1 stopAmerican Airlines
17h 01mMAD-BOI
$749
10/9mié.
1 stopUnited Airlines
22h 37mGEG-BCN
10/16mié.
2 stopsUnited Airlines
42h 35mBCN-GEG
$763
10/9mié.
2 stops
26h 40mGEG-BCN
10/16mié.
2 stops
35h 02mBCN-GEG
$765
6/9dom.
2 stopsDelta
25h 25mGEG-MAD
6/18mar.
2 stopsDelta
32h 45mMAD-GEG
$769
10/9mié.
1 stopUnited Airlines
22h 37mGEG-BCN
10/16mié.
1 stopUnited Airlines
16h 00mBCN-GEG
$780
9/24mar.
3 stops
29h 41mBOI-MAD
10/8mar.
2 stops
22h 34mMAD-BOI
$789
11/14jue.
3 stopsAir Canada
20h 10mBOI-MAD
11/22vie.
3 stopsAir Canada
31h 59mMAD-BOI
$796
11/3dom.
3 stopsAir Canada
19h 10mGEG-MAD
11/17dom.
3 stopsAir Canada
33h 25mMAD-GEG
$796
6/6jue.
2 stopsDelta
18h 39mBOI-BCN
6/19mié.
2 stopsDelta
25h 40mBCN-BOI
$827

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Recent one-way flight deals

5/30jue.
3 stops
42h 50mBOI-BCN
$484
5/29mié.
2 stops
31h 19mBOI-BCN
$520
5/30jue.
2 stops
35h 05mBOI-BCN
$590
7/1lun.
1 stopIberia
24h 10mGEG-BCN
$619
7/1lun.
2 stopsBritish Airways
32h 28mGEG-BCN
$630
10/19sáb.
2 stopsDelta
37h 40mBOI-AGP
$653
10/18vie.
2 stopsDelta
16h 26mBOI-AGP
$684
5/30jue.
2 stopsBritish Airways
19h 15mBOI-BCN
$716
6/13jue.
2 stopsAmerican Airlines
17h 46mJAC-MAD
$716
6/13jue.
1 stopAmerican Airlines
15h 27mJAC-MAD
$717

Search by stops

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Search by price

Last minute flights from Idaho to Spain

Last minute flight, train and bus deals

5/28mar.
multi-stopDelta
16h 24mBOI-BCN
6/9dom.
multi-stopDelta
18h 07mBCN-BOI
$836
5/26dom.
multi-stopDelta
18h 24mBOI-MAD
6/8sáb.
multi-stopDelta
19h 39mMAD-BOI
$837
5/25sáb.
multi-stopAmerican Airlines
22h 25mGEG-MAD
6/1sáb.
multi-stopAmerican Airlines
28h 50mMAD-GEG
$865
5/28mar.
multi-stop
54h 50mBOI-BCN
6/9dom.
multi-stop
43h 29mBCN-BOI
$1,317
5/26dom.
multi-stopAmerican Airlines
17h 40mBOI-MAD
6/8sáb.
multi-stopAmerican Airlines
20h 51mMAD-BOI
$1,362
5/28mar.
multi-stop
55h 10mBOI-BCN
6/9dom.
multi-stop
43h 29mBCN-BOI
$1,393
5/27lun.
multi-stopUnited Airlines
20h 00mBOI-MAD
6/1sáb.
multi-stopUnited Airlines
41h 37mMAD-BOI
$1,678
5/27lun.
multi-stopUnited Airlines
16h 11mBOI-BCN
6/9dom.
multi-stopUnited Airlines
15h 47mBCN-BOI
$1,910
5/27lun.
multi-stopIberia
19h 05mBOI-MAD
6/1sáb.
multi-stopIberia
17h 33mMAD-BOI
$3,134
5/24vie.
multi-stopIberia
21h 25mGEG-MAD
8/23vie.
multi-stopIberia
19h 26mMAD-GEG
$3,365

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Flights to Spain

Return flight deals:

Spain - Idaho

Cabin classes: