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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 7/3. 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
Wed 6/5
Wed 6/12

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In the last 7 days travelers have searched 42,573,820 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

7/16Tue
nonstopUnited Airlines
2h 24mLWS-DEN
7/21Sun
nonstopUnited Airlines
2h 23mDEN-LWS
$179
6/18Tue
1 stopDelta
5h 51mBOI-DEN
6/19Wed
1 stopDelta
3h 50mDEN-BOI
$196
9/5Thu
1 stopAlaska Airlines
5h 03mBOI-DEN
9/9Mon
1 stopAlaska Airlines
8h 24mDEN-BOI
$226
9/7Sat
1 stopAlaska Airlines
5h 17mBOI-DEN
9/9Mon
1 stopAlaska Airlines
6h 24mDEN-BOI
$278
9/20Fri
1 stopAmerican Airlines
5h 44mGEG-DEN
9/24Tue
2 stopsAmerican Airlines
10h 58mDEN-GEG
$296
8/3Sat
1 stopAmerican Airlines
5h 44mGEG-DEN
8/6Tue
1 stopAmerican Airlines
6h 50mDEN-GEG
$315
6/9Sun
1 stopSun Country Air
21h 20mGEG-DEN
6/13Thu
1 stopSun Country Air
6h 54mDEN-GEG
$325
6/13Thu
1 stopSun Country Air
14h 25mGEG-DEN
6/16Sun
1 stopSun Country Air
9h 23mDEN-GEG
$360
6/2Sun
2 stops
25h 15mBOI-DEN
6/9Sun
3 stops
25h 28mDEN-BOI
$432
8/8Thu
2 stops
14h 50mBOI-DEN
8/12Mon
3 stops
28h 04mDEN-BOI
$464

Search by stops

Search by airline

Search by price

Recent one-way flight deals

7/3Wed
nonstopUnited Airlines
1h 58mBOI-DEN
$89
6/4Tue
1 stopDelta
5h 15mBOI-DEN
$98
6/4Tue
3 stops
22h 28mBOI-DEN
$125
6/5Wed
3 stops
26h 27mBOI-DEN
$128
6/20Thu
1 stopSun Country Air
24h 06mGEG-DEN
$133
8/7Wed
1 stopAmerican Airlines
5h 35mGEG-DEN
$138
6/4Tue
2 stopsAlaska Airlines
7h 03mBOI-DEN
$152
6/23Sun
1 stopSun Country Air
21h 40mGEG-DEN
$163
6/3Mon
2 stopsAlaska Airlines
16h 19mBOI-DEN
$178
6/27Thu
2 stopsAmerican Airlines
10h 28mGEG-DEN
$182

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to Denver

Last minute flight, train and bus deals

5/11Sat
multi-stopAlaska Airlines
7h 21mBOI-DEN
5/15Wed
multi-stopAlaska Airlines
7h 20mDEN-BOI
$386
5/11Sat
multi-stop
16h 25mBOI-DEN
5/13Mon
multi-stop
23h 00mDEN-BOI
$407
5/11Sat
multi-stopAlaska Airlines
7h 21mBOI-DEN
5/20Mon
multi-stopAlaska Airlines
5h 27mDEN-BOI
$411
5/11Sat
multi-stopAmerican Airlines
10h 50mBOI-DEN
5/18Sat
multi-stopAmerican Airlines
4h 39mDEN-BOI
$444
5/11Sat
nonstopUnited Airlines
2h 04mBOI-DEN
5/20Mon
nonstopUnited Airlines
1h 59mDEN-BOI
$446
5/11Sat
nonstopUnited Airlines
1h 57mBOI-DEN
5/14Tue
nonstopUnited Airlines
1h 59mDEN-BOI
$449
5/11Sat
multi-stopUnited Airlines
5h 35mBOI-DEN
5/11Sat
nonstopUnited Airlines
1h 59mDEN-BOI
$453
5/11Sat
multi-stopDelta
5h 51mBOI-DEN
5/11Sat
multi-stopDelta
5h 05mDEN-BOI
$468
5/7Tue
multi-stopAmerican Airlines
4h 58mBOI-DEN
5/12Sun
multi-stopAmerican Airlines
5h 10mDEN-BOI
$480
5/9Thu
multi-stopDelta
5h 51mBOI-DEN
5/12Sun
multi-stopDelta
6h 04mDEN-BOI
$548

Search by stops

Search by airline

Search by price

Flights to Denver

Destination:

Denver (DEN)United States

Return flight deals:

Denver - Idaho

Cabin classes:

$541
$814
$766
$233

Browse destinations: