$25 Cheap Flights to Mountain States

View $25 flight on Tue, May 12, 2026Opens in a new window

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  • Frontier Airlines

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

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How much is the cheapest flight to Mountain States?

Prices were available within the past 7 days and start at $25 for one-way flights and $53 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, May 13 - Wed, May 20
ORD
Chicago
DEN
Denver
$56 Roundtrip, found 1 hour ago
$56
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, May 13 from Chicago to Denver, returning Wed, May 20, priced at $56 found 1 hour ago
United
Tue, Sep 8 - Wed, Sep 9
ORD
Chicago
DEN
Denver
$159 Roundtrip, just found
$159
Roundtrip
just found
Select United flight, departing Tue, Sep 8 from Chicago to Denver, returning Wed, Sep 9, priced at $159 just found
American Airlines
Tue, Sep 1 - Wed, Sep 9
ORD
Chicago
DEN
Denver
$159 Roundtrip, just found
$159
Roundtrip
just found
Select American Airlines flight, departing Tue, Sep 1 from Chicago to Denver, returning Wed, Sep 9, priced at $159 just found
Spirit Airlines
Sat, Oct 3 - Sat, Oct 10
ORD
Chicago
LAS
Las Vegas
$170 Roundtrip, just found
$170
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, Oct 3 from Chicago to Las Vegas, returning Sat, Oct 10, priced at $170 just found
Delta
Tue, Sep 1 - Tue, Sep 8
ORD
Chicago
DEN
Denver
$197 Roundtrip, just found
$197
Roundtrip
just found
Select Delta flight, departing Tue, Sep 1 from Chicago to Denver, returning Tue, Sep 8, priced at $197 just found

Alternative airports

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Flights from $267
LAS
McCarran Intl.
Flights from $267
Select flight to Denver Intl. DEN. Flights from $269
DEN
Denver Intl.
Flights from $269
Select flight to Salt Lake City Intl. SLC. Cheapest option available. Flights from $221
SLC
Salt Lake City Intl.
Cheapest
Flights from $221
Select flight to Colorado Springs Airport COS. Flights from $477
COS
Colorado Springs Airport
Flights from $477
Select flight to Reno-Tahoe Intl. RNO. Flights from $597
RNO
Reno-Tahoe Intl.
Flights from $597
Select flight to Boise Airport BOI. Flights from $488
BOI
Boise Airport
Flights from $488
Select flight to Gallatin Field BZN. Flights from $374
BZN
Gallatin Field
Flights from $374

Frequently asked questions

What month is the cheapest to fly to Mountain States?
Plan your trip for May if you're looking for a good price on your fare. It's the cheapest month to fly to Mountain States. If possible, avoid traveling during busy periods such as public holidays or major events.
Which US cities have the cheapest flights to Mountain States?
Score cheap flights to Mountain States from New York, Washington and Dallas. These cities generally offer the lowest fares to this exciting destination. But keep in mind that stopovers, seasonality and demand will also have an influence on rates, so remain flexible and book when you spot a bargain.
Which US cities fly direct to Mountain States?
Take your pick of 150 US cities providing direct flights to Mountain States. When reserving on Expedia, check the "Direct flights only" filter to find nonstop itineraries. Fly to Mountain States from any of these leading cities:

  • New York
  • Washington
  • Dallas
  • Boston
  • Phoenix

How to find a cheap flight to Mountain States?
To secure cheap flights to Mountain States, book well in advance and visit during the off-season months of January and April. Want an insider tip? Depart on a Thursday and save 16% on average compared to traveling on a Sunday.* Set up price tracking on the Expedia app and we'll update you as soon as your fares drop.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Mountain States?
You can find cheap deals on last-minute flights to Mountain States, especially if your plans aren't set in stone. Think about jetting out of a different hub, tweaking your trip dates or picking another airline to get a cheap flight to Mountain States.
How far in advance should I book a flight to Mountain States?
Secure the departure dates you want and a fare that suits your budget by booking your domestic flight to Mountain States up to 28 days in advance. Lock in tickets two to four months ahead if you're headed to Mountain States from an international destination.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Mountain States?
You can save an average of 8% if you buy plane tickets on a Sunday instead of Fridays, which tend to be the most expensive day to book.* When it comes to getting a cheap flight to Mountain States, it's all about timing.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Mountain States?
Traveling to Mountain States is as easy as choosing between two leading carriers. Book your fare with either of the following:

  • United Airlines - 15,967 flights to Mountain States each month, including 13,169 flights to Denver Intl. Airport (DEN) per month.
  • Delta Air Lines - 10,494 flights to Mountain States each month, including 6,610 flights to Salt Lake City Intl. Airport (SLC) per month.

Can I save money by booking a Mountain States trip package?
Book a Mountain States, United States of America flight and hotel package deal on Expedia, and you could benefit from significant savings. It's simple to bundle your flights and accommodations, and you can add car rentals and tours to create your own customized Mountain States getaway. Plus, there's nothing like the convenience of booking everything in one place.
Can I change or cancel my flight to Mountain States?
If you reserved your flight to Mountain States in the last 24 hours, you can usually cancel or change it for free. After that, additional costs may apply depending on the airline's rules and restrictions. For more information, visit our Customer Service Portal. Keep in mind that some flights are non-refundable, so you may be issued a credit for future flights in place of a direct refund. When browsing Expedia, select the "No cancel fee" or "Changes included" filters to compare fares with flexible change policies.

*Flight schedules are subject to change.

*Available to One Key members.

 

Travel information

Destination airport
Denver Intl.
Destination airport IATA code
DEN
Destination city name
Denver
Roundtrip price
$56

Trending flights to Mountain States

Prices were available within the past 7 days and start at $25 for one-way flights and $53 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Tue, May 19 - Sat, May 23
LAX
Los Angeles
LAS
Las Vegas
$53 Roundtrip, just found
$53
Roundtrip
just found
Select Spirit Airlines flight, departing Tue, May 19 from Los Angeles to Las Vegas, returning Sat, May 23, priced at $53 just found