$334 Find Cheap Flights from Idaho to Spain

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1 adult, Economy

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Useful Info

Good to know

Low seasonJanuary
High seasonJune
Cheapest flight$334
Best time to beat the crowds with an average 21% drop in price.
Most popular time to fly with an average 29% 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 from Idaho to Spain 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 from Idaho to Spain with an airline and back 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 from Idaho to Spain up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Spain?

    Based on KAYAK data, the cheapest day to fly to Spain is Sunday where round-trip tickets can be as cheap as $813. On the other hand, the most expensive day to fly is Friday, where round-trip prices are $1,459 on average.

  • What is the cheapest time of day to fly to Spain?

    The cheapest time of day to fly to Spain is generally at night, when round-trip flights cost $842 on average. Morning departures are around 16% more expensive than evening flights, on average. The most expensive time of day to fly to Spain is generally in the morning, which is peak travel time and where the average cost of a ticket is $1,010.

  • What is the cheapest month to fly from Idaho to Spain?

    The cheapest month for flights from Idaho to Spain is February, when tickets cost $482 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is $1,647 and $1,349 respectively.

  • How long is the flight to Spain?

    An average nonstop flight from Idaho to Spain takes 25h 21m, covering a distance of 5265 miles. The shortest route is Boise (BOI) to Barcelona-El Prat Airport (BCN) with an average flight time of 13h 20m.

  • What are the most popular destinations in Spain?

    Based on KAYAK flight searches, the most popular destination is Madrid (51% of total searches to Spain). The next most popular destinations are Bilbao (23%) and Málaga (21%). Searches for flights to Valencia (4%) and to Santiago de Compostela (1%) are also popular.

Book cheap flights from Idaho to Spain

Recent round-trip flight deals

9/16Tue
2 stopsUnited Airlines
38h 13mBOI-MAD
9/23Tue
2 stopsUnited Airlines
30h 46mMAD-BOI
$470
8/10Sun
2 stopsAir Canada
41h 40mBOI-MAD
8/26Tue
2 stopsAir Canada
41h 36mMAD-BOI
$495
8/10Sun
1 stopFinnair
18h 05mBOI-MAD
8/26Tue
1 stopFinnair
17h 03mMAD-BOI
$529
8/11Mon
1 stopIberia
18h 05mBOI-MAD
8/27Wed
1 stopIberia
17h 03mMAD-BOI
$538
8/19Tue
1 stopAmerican Airlines
16h 15mBOI-MAD
11/19Wed
2 stopsAmerican Airlines
18h 21mMAD-BOI
$543
9/30Tue
1 stop
15h 55mGEG-MAD
10/15Wed
2 stops
19h 33mMAD-GEG
$543
9/16Tue
1 stop
16h 42mBOI-MAD
9/23Tue
1 stop
28h 48mMAD-BOI
$548
8/10Sun
1 stopAmerican Airlines
18h 05mBOI-MAD
8/26Tue
2 stopsAmerican Airlines
28h 06mMAD-BOI
$561
9/30Tue
1 stopIberia
16h 45mGEG-MAD
10/15Wed
1 stopIberia
28h 43mMAD-GEG
$569
8/15Fri
1 stopFinnair
13h 20mBOI-BCN
8/22Fri
1 stopFinnair
17h 23mBCN-BOI
$688

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Recent one-way flight deals

8/18Mon
3 stops
46h 15mBOI-MAD
$334
10/8Wed
3 stops
27h 35mGEG-BCN
$336
8/11Mon
2 stopsAir Canada
27h 25mBOI-MAD
$399
8/17Sun
2 stopsUnited Airlines
30h 23mBOI-MAD
$405
8/11Mon
1 stopIberia
18h 05mBOI-MAD
$419
8/16Sat
1 stopDelta
36h 00mBOI-MAD
$434
8/11Mon
2 stopsIberia
30h 00mBOI-MAD
$438
9/17Wed
2 stopsUnited Airlines
18h 00mBOI-BCN
$468
10/12Sun
3 stopsAir Canada
35h 30mGEG-BCN
$475
9/19Fri
1 stopDelta
26h 00mBOI-MAD
$480

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Last minute flights from Idaho to Spain

Last minute flight, train and bus deals

7/3Thu
multi-stop
35h 23mGEG-MAD
7/17Thu
multi-stop
36h 47mMAD-GEG
$1,415
7/3Thu
multi-stop
32h 33mGEG-MAD
7/17Thu
multi-stop
36h 47mMAD-GEG
$1,530
7/3Thu
multi-stop
24h 50mGEG-MAD
7/17Thu
multi-stop
25h 19mMAD-GEG
$1,547
7/4Fri
multi-stopIberia
18h 34mBOI-MAD
7/6Sun
multi-stopIberia
18h 36mMAD-BOI
$2,932
7/5Sat
multi-stopFinnair
14h 26mBOI-BCN
7/6Sun
multi-stopFinnair
18h 56mBCN-BOI
$2,958
7/5Sat
multi-stopAmerican Airlines
18h 05mBOI-BCN
7/6Sun
multi-stopAmerican Airlines
18h 43mBCN-BOI
$2,962
7/7Mon
multi-stopIcelandair
33h 59mBOI-BCN
7/11Fri
multi-stopIcelandair
32h 25mBCN-BOI
$5,818
7/6Sun
multi-stopIcelandair
57h 59mBOI-BCN
7/11Fri
multi-stopIcelandair
32h 25mBCN-BOI
$5,837
7/7Mon
multi-stopAmerican Airlines
34h 35mBOI-BCN
7/14Mon
multi-stopAmerican Airlines
30h 34mBCN-BOI
$10,047
7/6Sun
multi-stopFinnair
13h 13mBOI-BCN
7/10Thu
multi-stopFinnair
18h 56mBCN-BOI
$11,271

Search by stops

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Everything you need to know for your flight to Spain

Cabin class types available on flights to Idaho

Cabin classes available on flights to Idaho. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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