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Find cheap flights from Idaho to Spain from $492

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
Sat 6/29
Sat 7/6

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In the last 7 days travelers have searched 42,686,544 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$492
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
22h 34mBOI-BCN
11/22Fri
2 stopsAmerican Airlines
28h 17mBCN-BOI
$623
10/29Tue
2 stopsAmerican Airlines
20h 05mGEG-MAD
11/12Tue
2 stopsAmerican Airlines
29h 01mMAD-GEG
$627
10/3Thu
2 stops
26h 40mGEG-BCN
10/14Mon
2 stops
36h 22mBCN-GEG
$660
11/3Sun
1 stop
23h 49mGEG-MAD
11/17Sun
2 stops
19h 39mMAD-GEG
$678
10/6Sun
1 stopIberia
35h 26mBOI-MAD
11/6Wed
2 stopsIberia
32h 35mMAD-BOI
$681
6/30Sun
2 stopsAir Canada
18h 40mBOI-BCN
7/11Thu
2 stopsAir Canada
37h 30mBCN-BOI
$683
9/9Mon
1 stopIberia
22h 54mBOI-MAD
10/24Thu
1 stopIberia
16h 56mMAD-BOI
$725
7/6Sat
2 stopsUnited Airlines
29h 00mBOI-MAD
7/16Tue
2 stopsUnited Airlines
19h 40mMAD-BOI
$753
7/17Wed
2 stopsUnited Airlines
17h 35mGEG-MAD
9/3Tue
2 stopsUnited Airlines
32h 51mMAD-GEG
$759
9/17Tue
2 stopsAir Canada
20h 40mBOI-BCN
10/8Tue
2 stopsAir Canada
40h 59mBCN-BOI
$766

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Recent one-way flight deals

9/12Thu
3 stops
36h 21mBOI-BCN
$492
8/27Tue
3 stops
29h 41mBOI-MAD
$501
10/12Sat
2 stops
33h 11mBOI-BCN
$519
7/7Sun
3 stops
41h 15mGEG-MAD
$531
8/27Tue
2 stopsIberia
20h 10mBOI-MAD
$563
7/7Sun
1 stopAmerican Airlines
22h 37mGEG-MAD
$576
8/27Tue
1 stop
22h 35mBOI-MAD
$577
10/26Sat
2 stopsAmerican Airlines
39h 04mJAC-BCN
$578
10/12Sat
1 stopUnited Airlines
34h 50mBOI-BCN
$721
8/14Wed
3 stopsAir Canada
24h 00mGEG-MAD
$1,053

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Last minute flights from Idaho to Spain

Last minute flight, train and bus deals

6/2Sun
multi-stopUnited Airlines
20h 13mBOI-BCN
6/13Thu
multi-stopUnited Airlines
37h 12mBCN-BOI
$711
6/2Sun
multi-stop
18h 15mBOI-BCN
6/13Thu
multi-stop
29h 30mBCN-BOI
$716
6/2Sun
multi-stopUnited Airlines
23h 06mBOI-BCN
6/13Thu
multi-stopUnited Airlines
23h 12mBCN-BOI
$719
6/2Sun
multi-stopAmerican Airlines
21h 55mGEG-MAD
8/29Thu
multi-stopAmerican Airlines
17h 53mMAD-GEG
$728
6/2Sun
multi-stopUnited Airlines
23h 06mBOI-BCN
6/13Thu
multi-stopUnited Airlines
41h 02mBCN-BOI
$728
6/2Sun
multi-stopAmerican Airlines
17h 01mGEG-MAD
8/28Wed
multi-stopAmerican Airlines
17h 15mMAD-GEG
$729
6/2Sun
multi-stopUnited Airlines
35h 46mBOI-BCN
6/13Thu
multi-stopUnited Airlines
23h 12mBCN-BOI
$737
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-stopAmerican Airlines
17h 01mGEG-MAD
9/2Mon
multi-stopAmerican Airlines
19h 41mMAD-GEG
$778

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Flights to Spain

Return flight deals:

Spain - Idaho

Cabin classes: