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Find cheap flights from Idaho to the United States from $39

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 the United States departing on 6/7. 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
lun. 7/1
lun. 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

$39
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 12% increase in price.
Flight from Boise to Las Vegas

FAQs for booking flights from Idaho to the United States

  • How does KAYAK find such low prices on flights from Idaho to the United States?

    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 the United States.

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

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

    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 the United States 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 the United States?

    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 the United States 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 the United States

Recent round-trip flight deals

6/12mer.
nonstopSpirit Airlines
1h 56mBOI-LAS
6/19mer.
nonstopSpirit Airlines
1h 58mLAS-BOI
$65
6/22sam.
nonstopSpirit Airlines
1h 55mBOI-LAS
6/24lun.
nonstopSpirit Airlines
1h 58mLAS-BOI
$66
7/2mar.
nonstop
1h 54mBOI-LAS
7/11jeu.
nonstop
1h 53mLAS-BOI
$68
6/20jeu.
nonstop
1h 49mBOI-LAS
6/25mar.
nonstop
1h 58mLAS-BOI
$69
8/1jeu.
nonstopAllegiant Air
1h 52mBOI-LAS
8/4dim.
nonstopAllegiant Air
1h 53mLAS-BOI
$75
8/1jeu.
nonstopAllegiant Air
1h 52mBOI-LAS
8/4dim.
nonstopAllegiant Air
1h 53mLAS-BOI
$85
9/17mar.
nonstopDelta
1h 40mBOI-SEA
10/16mer.
nonstopDelta
1h 33mSEA-BOI
$137
8/24sam.
nonstopDelta
1h 21mGEG-SEA
9/11mer.
nonstopDelta
1h 12mSEA-GEG
$137
7/17mer.
nonstopSun Country Air
2h 46mBOI-MSP
7/24mer.
nonstopSun Country Air
3h 07mMSP-BOI
$155
7/20sam.
nonstopSun Country Air
2h 46mBOI-MSP
8/3sam.
nonstopSun Country Air
3h 07mMSP-BOI
$158

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Recent one-way flight deals

6/7ven.
nonstopSpirit Airlines
1h 56mBOI-LAS
$39
6/25mar.
1 stopSpirit Airlines
24h 47mBOI-LAX
$39
6/30dim.
nonstopAllegiant Air
1h 49mBOI-LAS
$49
6/30dim.
nonstopAllegiant Air
1h 49mBOI-LAS
$56
9/10mar.
nonstopAlaska Airlines
1h 18mGEG-SEA
$66
8/31sam.
nonstopDelta
1h 17mGEG-SEA
$69
6/25mar.
nonstopDelta
1h 17mGEG-SEA
$70
7/17mer.
nonstopSun Country Air
2h 46mBOI-MSP
$78
6/25mar.
nonstopAlaska Airlines
1h 29mBOI-SEA
$79
7/25jeu.
1 stopSun Country Air
13h 12mGEG-DFW
$145

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Search by price

Last minute flights from Idaho to the United States

Last minute flight, train and bus deals

6/6jeu.
nonstop
1h 49mBOI-LAS
6/12mer.
nonstop
1h 58mLAS-BOI
$123
6/6jeu.
nonstopSpirit Airlines
1h 56mBOI-LAS
6/13jeu.
nonstopSpirit Airlines
1h 58mLAS-BOI
$124
6/6jeu.
nonstop
1h 56mBOI-LAS
6/16dim.
nonstop
1h 53mLAS-BOI
$130
6/6jeu.
nonstopAllegiant Air
1h 49mBOI-LAS
6/9dim.
nonstopAllegiant Air
1h 53mLAS-BOI
$177
6/6jeu.
nonstopAllegiant Air
1h 49mBOI-LAS
6/9dim.
nonstopAllegiant Air
1h 53mLAS-BOI
$186
6/5mer.
nonstopAlaska Airlines
1h 09mGEG-SEA
7/7dim.
nonstopAlaska Airlines
1h 04mSEA-GEG
$357
6/4mar.
multi-stopAmerican Airlines
6h 17mBOI-SFO
6/5mer.
multi-stopAmerican Airlines
6h 31mSFO-BOI
$360
6/5mer.
multi-stopAlaska Airlines
5h 19mGEG-SEA
7/7dim.
nonstopAlaska Airlines
1h 08mSEA-GEG
$366
6/4mar.
multi-stopAmerican Airlines
6h 17mBOI-SFO
6/5mer.
multi-stopAmerican Airlines
10h 56mSFO-BOI
$453
6/6jeu.
multi-stopSun Country Air
14h 23mGEG-SEA
6/9dim.
multi-stopSun Country Air
8h 40mSEA-GEG
$490

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Flights to the United States

Return flight deals:

United States - Idaho

Cabin classes:

$248
$336
$303
$45

Browse destinations:

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