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Find cheap flights from Idaho to Denver from $89

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Denver departing on 8/6. 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 6/8
Sat 6/15

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In the last 7 days travelers have searched 43,895,468 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$89
Best time to beat the crowds with an average 16% drop in price.
Most popular time to fly with an average 16% increase in price.
Flight from Boise to Denver

FAQs for booking flights from Idaho to Denver

  • How does KAYAK find such low prices on flights from Idaho to Denver?

    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 Denver.

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

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

    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 Denver 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 Denver?

    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 Denver from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Idaho to Denver?

Find which airlines fly direct from Idaho to Denver Intl, which days they fly and book direct flights.

Nonstop departures

Idaho to Denver Intl

Monday

ANA, Aer Lingus, Aeromexico, +58 more

ANA, Aer Lingus, +59 more

Tuesday

ANA, Aer Lingus, Aeromexico, +58 more

ANA, Aer Lingus, +59 more

Wednesday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Thursday

ANA, Aer Lingus, Aeromexico, +58 more

ANA, Aer Lingus, +59 more

Friday

ANA, Aer Lingus, Aeromexico, +59 more

ANA, Aer Lingus, +60 more

Saturday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Sunday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

See more direct flights

Nonstop returns

Denver Intl to Idaho

Monday

ANA, Aer Lingus, Aeromexico, +58 more

ANA, Aer Lingus, +59 more

Tuesday

ANA, Aer Lingus, Aeromexico, +58 more

ANA, Aer Lingus, +59 more

Wednesday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Thursday

ANA, Aer Lingus, Aeromexico, +58 more

ANA, Aer Lingus, +59 more

Friday

ANA, Aer Lingus, Aeromexico, +59 more

ANA, Aer Lingus, +60 more

Saturday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Sunday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

See more direct flights
See more direct flights

Book cheap flights from Idaho to Denver

Recent round-trip flight deals

6/5Wed
nonstopUnited Airlines
2h 05mBOI-DEN
6/12Wed
nonstopUnited Airlines
2h 07mDEN-BOI
$177
8/6Tue
nonstopUnited Airlines
2h 24mLWS-DEN
8/10Sat
nonstopUnited Airlines
2h 23mDEN-LWS
$179
8/19Mon
nonstopUnited Airlines
1h 55mBOI-DEN
8/21Wed
nonstopUnited Airlines
2h 03mDEN-BOI
$192
6/5Wed
1 stopDelta
6h 34mBOI-DEN
6/12Wed
1 stopDelta
3h 50mDEN-BOI
$196
10/1Tue
1 stopDelta
4h 00mBOI-DEN
10/5Sat
1 stopDelta
5h 14mDEN-BOI
$211
10/1Tue
2 stopsAmerican Airlines
10h 04mBOI-DEN
10/5Sat
1 stopAmerican Airlines
5h 00mDEN-BOI
$256
5/29Wed
1 stopAlaska Airlines
5h 07mBOI-DEN
5/29Wed
2 stopsAlaska Airlines
17h 39mDEN-BOI
$294
8/27Tue
2 stopsAmerican Airlines
10h 08mGEG-DEN
8/31Sat
1 stopAmerican Airlines
8h 27mDEN-GEG
$296
6/3Mon
1 stopAlaska Airlines
5h 21mGEG-DEN
6/8Sat
1 stopAlaska Airlines
11h 42mDEN-GEG
$300
6/13Thu
1 stopSun Country Air
14h 25mGEG-DEN
6/16Sun
1 stopSun Country Air
9h 23mDEN-GEG
$360

Search by stops

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Recent one-way flight deals

8/6Tue
nonstopUnited Airlines
1h 58mBOI-DEN
$89
6/18Tue
1 stopDelta
4h 57mBOI-DEN
$98
6/4Tue
3 stops
22h 28mBOI-DEN
$123
6/4Tue
3 stops
22h 28mBOI-DEN
$136
8/21Wed
1 stopAmerican Airlines
5h 35mGEG-DEN
$138
6/11Tue
2 stopsAmerican Airlines
10h 28mGEG-DEN
$143
6/8Sat
1 stopAlaska Airlines
7h 08mGEG-DEN
$147
6/10Mon
1 stopAlaska Airlines
15h 24mGEG-DEN
$163
7/7Sun
1 stopSun Country Air
17h 44mGEG-DEN
$193
7/7Sun
1 stopSun Country Air
22h 09mGEG-DEN
$224

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to Denver

Last minute flight, train and bus deals

5/10Fri
nonstopUnited Airlines
2h 16mLWS-DEN
5/12Sun
nonstopUnited Airlines
2h 26mDEN-LWS
$349
5/11Sat
nonstopUnited Airlines
1h 57mBOI-DEN
5/17Fri
nonstopUnited Airlines
1h 59mDEN-BOI
$453
5/11Sat
multi-stopUnited Airlines
7h 41mBOI-DEN
5/17Fri
nonstopUnited Airlines
1h 59mDEN-BOI
$462
5/14Tue
multi-stopUnited Airlines
20h 12mBOI-DEN
5/15Wed
nonstopUnited Airlines
1h 59mDEN-BOI
$465
5/11Sat
multi-stopAlaska Airlines
7h 21mBOI-DEN
5/17Fri
multi-stopAlaska Airlines
8h 02mDEN-BOI
$472
5/10Fri
multi-stopDelta
5h 11mLWS-DEN
5/12Sun
multi-stopDelta
4h 38mDEN-LWS
$483
5/10Fri
multi-stopDelta
7h 30mLWS-DEN
5/12Sun
multi-stopDelta
4h 38mDEN-LWS
$488
5/11Sat
multi-stopAlaska Airlines
7h 21mBOI-DEN
5/14Tue
multi-stopAlaska Airlines
5h 35mDEN-BOI
$493
5/11Sat
multi-stopAmerican Airlines
10h 50mBOI-DEN
5/15Wed
multi-stopAmerican Airlines
5h 10mDEN-BOI
$512
5/14Tue
multi-stopAmerican Airlines
6h 08mIDA-DEN
5/16Thu
multi-stopAmerican Airlines
7h 44mDEN-IDA
$538

Search by stops

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Search by price

Flights to Denver

Destination:

Denver (DEN)United States

Return flight deals:

Denver - Idaho

Cabin classes:

$541
$814
$766
$233

Browse destinations: