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Cheap flights from Boise to Denver from $66

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Denver departing on 8/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boise to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:33 pm - 3:49 pm
BOI
-
DEN
2h 16mnonstop
Frontier Logo
10:33 am - 12:38 pm
DEN
-
BOI
2h 05mnonstop
$171Frontier
Thu, Jun 4 - Sun, Jun 7
Frontier Logo
12:59 pm - 3:00 pm
BOI
-
DEN
2h 01mnonstop
Frontier Logo
9:55 am - 12:04 pm
DEN
-
BOI
2h 09mnonstop
$174Frontier
Tue, Sep 15 - Thu, Sep 17
Frontier Logo
1:25 pm - 3:31 pm
BOI
-
DEN
2h 06mnonstop
Frontier Logo
10:29 am - 12:29 pm
DEN
-
BOI
2h 00mnonstop
$178Frontier
Thu, Jul 30 - Tue, Aug 4
Frontier Logo
1:33 pm - 3:49 pm
BOI
-
DEN
2h 16mnonstop
Frontier Logo
10:29 am - 12:30 pm
DEN
-
BOI
2h 01mnonstop
$183Frontier
Thu, Jun 4 - Thu, Jun 11
Frontier Logo
1:25 pm - 3:48 pm
BOI
-
DEN
2h 23mnonstop
Frontier Logo
10:29 am - 12:30 pm
DEN
-
BOI
2h 01mnonstop
$186Frontier
Thu, Jun 11 - Sun, Jun 14
Frontier Logo
1:25 pm - 3:48 pm
BOI
-
DEN
2h 23mnonstop
Frontier Logo
10:29 am - 12:30 pm
DEN
-
BOI
2h 01mnonstop
$188Frontier
Thu, Jun 25 - Sun, Jun 28
Frontier Logo
1:25 pm - 3:48 pm
BOI
-
DEN
2h 23mnonstop
Frontier Logo
10:29 am - 12:29 pm
DEN
-
BOI
2h 00mnonstop
$191Frontier
Thu, Jul 2 - Thu, Jul 9
Multiple Airlines Logo
6:07 pm - 11:59 pm
BOI
-
DEN
5h 52m
1 stop
Multiple Airlines Logo
10:29 am - 12:30 pm
DEN
-
BOI
2h 01mnonstop
$194Multiple Airlines
Tue, Jun 2 - Tue, Jun 9
Frontier Logo
1:33 pm - 3:49 pm
BOI
-
DEN
2h 16mnonstop
Frontier Logo
10:29 am - 12:30 pm
DEN
-
BOI
2h 01mnonstop
$195Frontier
Sun, Jun 7 - Sun, Jun 14
Frontier Logo
1:25 pm - 3:41 pm
BOI
-
DEN
2h 16mnonstop
Frontier Logo
10:25 am - 12:30 pm
DEN
-
BOI
2h 05mnonstop
$196Frontier
Thu, May 28 - Tue, Jun 2

Delta flights from Boise to Denver

Our best Delta deals on Boise to Denver flight tickets
Delta
Jul 1
BOI10:36 amBoise Air Term. Gowen Fld
7h 10m
1 stop
DEN5:46 pmDenver Intl
Jul 7
DEN6:30 amDenver Intl
5h 08m
1 stop
BOI11:38 amBoise Air Term. Gowen Fld
$282
Delta
Jun 16
BOI10:36 amBoise Air Term. Gowen Fld
7h 10m
1 stop
DEN5:46 pmDenver Intl
Jun 23
DEN6:30 amDenver Intl
8h 42m
1 stop
BOI3:12 pmBoise Air Term. Gowen Fld
$283
Delta
May 24
BOI10:50 amBoise Air Term. Gowen Fld
4h 08m
1 stop
DEN2:58 pmDenver Intl
May 27
DEN6:19 pmDenver Intl
5h 45m
1 stop
BOI12:04 amBoise Air Term. Gowen Fld
$411

United Airlines flights from Boise to Denver

Our best United Airlines deals on Boise to Denver flight tickets
United Airlines
Jun 16
BOI5:00 amBoise Air Term. Gowen Fld
2h 05m
DEN7:05 amDenver Intl
Jun 23
DEN7:45 amDenver Intl
2h 00m
BOI9:45 amBoise Air Term. Gowen Fld
$263
United Airlines
Sep 2
BOI6:30 amBoise Air Term. Gowen Fld
2h 01m
DEN8:31 amDenver Intl
Sep 7
DEN7:40 amDenver Intl
1h 55m
BOI9:35 amBoise Air Term. Gowen Fld
$267
United Airlines
Aug 29
BOI2:44 pmBoise Air Term. Gowen Fld
2h 00m
DEN4:44 pmDenver Intl
Aug 31
DEN7:25 pmDenver Intl
2h 00m
BOI9:25 pmBoise Air Term. Gowen Fld
$271

momondo Fare Finder

 
Customize your flight search to find flights from Boise to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 12, 2026.
Use the filters below to find and compare flights from Boise to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 6/4

1:33 pm-3:49 pm

Nonstop2h 16m

Denver Intl

Sun 6/7

10:33 am-12:38 pm

Nonstop2h 05m

$171

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Tue 9/15

12:59 pm-3:00 pm

Nonstop2h 01m

Denver Intl

Thu 9/17

9:55 am-12:04 pm

Nonstop2h 09m

$174
Quickest round-trip

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 7/30

1:25 pm-3:31 pm

Nonstop2h 06m

Denver Intl

Tue 8/4

10:29 am-12:29 pm

Nonstop2h 00m

$178

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 6/4

1:33 pm-3:49 pm

Nonstop2h 16m

Denver Intl

Thu 6/11

10:29 am-12:30 pm

Nonstop2h 01m

$183

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 6/11

1:25 pm-3:48 pm

Nonstop2h 23m

Denver Intl

Sun 6/14

10:29 am-12:30 pm

Nonstop2h 01m

$186

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 6/25

1:25 pm-3:48 pm

Nonstop2h 23m

Denver Intl

Sun 6/28

10:29 am-12:30 pm

Nonstop2h 01m

$188

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 7/2

1:25 pm-3:48 pm

Nonstop2h 23m

Denver Intl

Thu 7/9

10:29 am-12:29 pm

Nonstop2h 00m

$191

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Tue 6/2

6:07 pm-11:59 pm

1 stop5h 52m

Denver Intl

Tue 6/9

10:29 am-12:30 pm

Nonstop2h 01m

$194

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Sun 6/7

1:33 pm-3:49 pm

Nonstop2h 16m

Denver Intl

Sun 6/14

10:29 am-12:30 pm

Nonstop2h 01m

$195

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 5/28

1:25 pm-3:41 pm

Nonstop2h 16m

Denver Intl

Tue 6/2

10:25 am-12:30 pm

Nonstop2h 05m

$196

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from Boise to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Boise and Denver?

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Boise is in October. Flight prices, which tend to average around $193, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in October, then you should wait until August to fly from Boise, when ticket prices are also cheap, with an average price of $214.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Thursday when prices can be found for as low as $396. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Monday, with ticket prices averaging around $536.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $242. Flights in the morning are often more expensive with an average ticket price of $464.

What is the cheapest Boise Air Term. Gowen Fld to Denver Intl flight route?

Fly from Boise Air Term. Gowen Fld to Denver Intl for the best Boise Air Term. Gowen Fld - Denver Intl flight prices

How far in advance should I book a flight from Boise to Denver?

You are more likely to see cheaper flights to Denver from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $263 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Boise for as low as $217 on momondo.

How have Boise to Denver flight prices changed over time?

As of May 2026, prices for Boise to Denver flights are approximately 33% cheaper when compared to flights at the same time last year.

When to book flights from Boise to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to Denver (BOI to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to Denver

Best Price Found

$201

Fastest flight time

1h 53m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Boise in the past 72 hours is $201. The best round-trip flight deal from Boise to Denver found on momondo in the last 72 hours is $363.
The fastest flight from Boise to Denver takes 1h 53m
Direct flights go from Boise to Denver every day.
There is 1 airport in Denver. From Boise there are direct flights to Denver Intl (DEN).
Search flight deals

Frequently asked questions about flying from Boise to Denver

  • How far is Boise Air Term. Gowen Fld to Denver Intl by plane?

    The distance between Boise Air Term. Gowen Fld and Denver Intl is about 636.7 mi. A reasonable flight in good conditions will take 1h 53m.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Denver Intl Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Denver Intl Airport refresh daily.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Denver Intl Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Denver Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The travel and health documents you'll need for your trip to Denver Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Denver Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boise to Denver?

  • What is the most popular airline from Boise to Denver?

Best airlines flying from Boise to Denver

Compare and see reviews for airlines that fly from Boise to Denver with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $53Free CancellationRating
5.6
2,952 reviews
Search Frontier flights
DeltaPriceFrom $104Free CancellationRating
7.9
8,446 reviews
Search Delta flights
Alaska AirlinesPriceFrom $154Free CancellationRating
7.9
12,354 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $165Free CancellationRating
7.4
9,701 reviews
Search United Airlines flights
SouthwestPriceFrom $187Free CancellationRating
8.0
4,295 reviews
Search Southwest flights

  • Southwest Flights From Boise to Denver

    Southwest flight deals from Boise to Denver start from $187 round-trip. Over the 17 Southwest flights for this route in a normal week, average airfare is usually $293 round-trip - but some users have found much cheaper deals with momondo.

  • United Airlines Flights From Boise to Denver

    Across 9,701 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Boise to Denver about 35 times each week, with ticket deals ranging from $165 to $310. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Manitou Springs
Boulder
Longmont
Greeley
Keystone
Lakewood
Westminster
Cripple Creek
Thornton
Frisco
Centennial
Englewood
Winter Park
Grand Lake
Copper Mountain

Why use momondo?

Why should I use momondo to find a flight deal from Boise to Denver?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boise to Denver. momondo saves you time and could save you money on your trip.

Can I find flights from Boise to Denver with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Denver from Boise with this policy.

How can momondo help me find flights from Boise to Denver?

momondo provides multiple filters to help you find the best flight to Denver from Boise. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boise to Denver right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boise to Denver flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Denver trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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