Cheap flights from Boise to Denver

Flights overview

Useful information for finding cheap flights from Boise to Denver and booking your next trip
Cheapest round-trip flights $165
Frontier Nonstop 3 hr Thu, Jun 4 — Sun, Jun 7
The cheapest round-trip flight from Boise to Denver is currently $165
Cheapest one-way flight $57
Frontier Nonstop 3 hr Tue, Jun 9
The cheapest one-way flight from Boise to Denver is currently $57
Last-minute weekend getaway $277
United 2 stops 18 hr Sat, May 9 — Sun, May 10
The cheapest last-minute weekend getaway from Boise to Denver is currently $277
Cheapest business class flights $550
Frontier Nonstop 3 hr Thu, May 21 — Sun, May 24
The cheapest business class round-trip flight from Boise to Denver is currently $550
Fastest flight 1 hr 50 min The fastest nonstop flight from Boise to Denver takes 1 hr 50 min
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Boise to Denver is typically February. The most expensive month to fly is typically May.
February
Cheapest
Typical prices: $95–270
May
Most expensive
Typical prices: $205–370

Popular airlines from Boise to Denver

  • United
    Nonstop
    from $286
    Typical price: $215–460
    35 weekly nonstop flights
    BOI - DEN Every day
    286 weekly connecting flights
    BOI - DEN Every day
  • Southwest
    Nonstop
    from $281
    Typical price: $210–440
    22 weekly nonstop flights
    BOI - DEN Every day
    465 weekly connecting flights
    BOI - DEN Every day
  • Delta
    from $291
    Typical price: $215–495
    179 weekly connecting flights
    BOI - DEN Every day
  • Alaska
    from $334
    Typical price: $235–495
    151 weekly connecting flights
    BOI - DEN Every day
  • American
    from $423
    Typical price: $295–620
    115 weekly connecting flights
    BOI - DEN Every day
  • Frontier
    Nonstop
    from $165
    Typical price: $85–220
    1 weekly nonstop flight
    BOI - DEN Every Thu

Popular airports near Boise

  • Boise Airport (BOI)
    Boise United States 19 min 3 mi
  • Friedman Memorial Airport (SUN) (SUN)
    Sun Valley United States 2 hr 16 min 96 mi
  • Magic Valley Regional Airport (TWF)
    Twin Falls United States 2 hr 9 min 116 mi
  • Pocatello Regional Airport (PIH)
    Pocatello United States 3 hr 16 min 188 mi

Popular airports near Denver

  • Denver International Airport (DEN)
    Denver United States 38 min 19 mi
  • Colorado Springs Airport (COS)
    Colorado Springs United States 1 hr 27 min 66 mi
  • Centennial Airport (APA)
    Denver United States 27 min 14 mi
  • Eagle County Regional Airport (EGE)
    Vail United States 2 hr 19 min 103 mi

Frequently asked questions about flying from Boise to Denver

The cheapest flights from Boise to Denver are usually in February. Typical ticket prices in February range from $95 to $270.
The cheapest round-trip flight from Boise to Denver recently found on Google Flights was with Frontier from $165. The cheapest one-way flight was with Frontier from $57.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest United flight from Boise to Denver is $286, flying from Jun 4 to Jun 8.
  • The cheapest Southwest flight from Boise to Denver is $281, flying from Jun 4 to Jun 8.
  • The cheapest Delta flight from Boise to Denver is $291, flying from Jun 4 to Jun 8.
  • The cheapest Alaska flight from Boise to Denver is $334, flying from Jun 4 to Jun 8.
  • The cheapest American flight from Boise to Denver is $423, flying from Jun 11 to Jun 14.
  • The cheapest Frontier flight from Boise to Denver is $165, flying from Jun 4 to Jun 7.
The cheapest round-trip flight from Boise to Denver starts at $165 from Thu, Jun 4 to Sun, Jun 7. The cheapest one-way flight starts at $57 and departs on Tue, Jun 9.
1 hr 50 min is the shortest flight time from Boise to Denver.
Denver’s mild summer months (Jun–Aug) are a popular time for visitors exploring the city and nearby national parks. The ski season runs through winter (Nov–Mar). Major events include the National Western Stock Show & Rodeo (Jan) and A Taste of Colorado (Sep) food and arts festival.
It's easy to use Google Flights to find the cheapest days to fly from Boise to Denver.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Boise to Denver really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Boise to Denver.

In terms of nonstop flights, United is the most popular. United offers 35 nonstop flights and 286 connecting flights per week. United flies from Boise Airport (BOI) to Denver International Airport (DEN) .

In terms of flights, Southwest is the most popular. Southwest offers 22 nonstop flights and 465 connecting flights per week. Southwest flies from Boise Airport (BOI) to Denver International Airport (DEN) .

Other popular airlines flying from Boise to Denver are:
  • Delta offers 179 connecting flights per week. Delta flies from Boise Airport (BOI) to Denver International Airport (DEN) .
  • Alaska offers 151 connecting flights per week. Alaska flies from Boise Airport (BOI) to Denver International Airport (DEN) .
  • American offers 115 connecting flights per week. American flies from Boise Airport (BOI) to Denver International Airport (DEN) .
  • Frontier offers 1 nonstop flights per week. Frontier flies from Boise Airport (BOI) to Denver International Airport (DEN) .
The number of connecting flights refers to distinct flights with at least one stop between Boise and Denver.
The cheapest round-trip flight from Boise to Denver recently found on Google Flights was with Frontier from $165. The cheapest one-way flight was with Frontier from $57.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest United flight from Boise to Denver is $286, flying from Jun 4 to Jun 8.
  • The cheapest Southwest flight from Boise to Denver is $281, flying from Jun 4 to Jun 8.
  • The cheapest Delta flight from Boise to Denver is $291, flying from Jun 4 to Jun 8.
  • The cheapest Alaska flight from Boise to Denver is $334, flying from Jun 4 to Jun 8.
  • The cheapest American flight from Boise to Denver is $423, flying from Jun 11 to Jun 14.
  • The cheapest Frontier flight from Boise to Denver is $165, flying from Jun 4 to Jun 7.
United, Southwest and Frontier fly direct from Boise to Denver.
  • There are 35 United direct flights from Boise to Denver per week. Flights are available every day.
  • There are 22 Southwest direct flights from Boise to Denver per week. Flights are available every day.
  • There are 1 Frontier direct flights from Boise to Denver per week. Flights are available on Thursday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Boise and Denver at price $277 is offered by United from Sat, May 9 to Sun, May 10.
United, Southwest and Frontier fly direct from Boise to Denver.
  • There are 35 United direct flights from Boise to Denver per week. Flights are available every day.
  • There are 22 Southwest direct flights from Boise to Denver per week. Flights are available every day.
  • There are 1 Frontier direct flights from Boise to Denver per week. Flights are available on Thursday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from Boise to Denver on a daily basis.
The cheapest direct (nonstop) round-trip flights between Boise and Denver start at $165 from Thu, Jun 4 to Sun, Jun 7 with Frontier.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Boise to Denver, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Boise and Denver start at $550 from Thu, May 21 to Sun, May 24 with Frontier.
The cheapest economy class round-trip flights between Boise and Denver start at $165 from Thu, Jun 4 to Sun, Jun 7.
To book business class trips from Boise to Denver, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Boise and Denver starts at $277 from Sat, May 9 to Sun, May 10 with United.
The cheapest last-minute deal between Boise and Denver at price $277 is offered by United from Sat, May 9 to Sun, May 10.
To find last-minute flight deals from Boise to Denver, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

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