Cheap Flights from Denver Intl. Airport (DEN)

View £36 flight on Wed, 29 Apr 2026Opens in a new window

Popular airlines from Denver International Airport (DEN)

  • American Airlines

  • United

  • Frontier Airlines

  • Delta

  • Alaska Airlines

  • Southwest Airlines

  • JetBlue Airways

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Flights from Denver Intl. Airport

Prices were available within the past 7 days and start at £36 for one-way flights and £73 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 18 Apr - Tue, 21 Apr
DEN
Denver
SAN
San Diego
£73 Return, found 4 hours ago
£73
Return
found 4 hours ago
Select Alaska Airlines flight, departing Sat, 18 Apr from Denver to San Diego, returning Tue, 21 Apr, priced at £73 found 4 hours ago
Hawaiian Airlines
Wed, 1 Apr - Sat, 18 Apr
DEN
Denver
SAN
San Diego
£86 Return, found 5 days ago
£86
Return
found 5 days ago
Select Hawaiian Airlines flight, departing Wed, 1 Apr from Denver to San Diego, returning Sat, 18 Apr, priced at £86 found 5 days ago
Alaska Airlines
Sat, 18 Apr - Tue, 21 Apr
DEN
Denver
LAS
Las Vegas
£101 Return, found 3 days ago
£101
Return
found 3 days ago
Select Alaska Airlines flight, departing Sat, 18 Apr from Denver to Las Vegas, returning Tue, 21 Apr, priced at £101 found 3 days ago
Alaska Airlines
Sat, 7 Mar - Tue, 17 Mar
DEN
Denver
PHX
Phoenix
£122 Return, found 1 day ago
£122
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 7 Mar from Denver to Phoenix, returning Tue, 17 Mar, priced at £122 found 1 day ago
Delta
Tue, 17 Mar - Tue, 17 Mar
DEN
Denver
DFW
Dallas
£130 Return, found 1 day ago
£130
Return
found 1 day ago
Select Delta flight, departing Tue, 17 Mar from Denver to Dallas, returning Tue, 17 Mar, priced at £130 found 1 day ago
Delta
Tue, 21 Apr - Tue, 5 May
DEN
Denver
LAX
Los Angeles
£131 Return, found 1 day ago
£131
Return
found 1 day ago
Select Delta flight, departing Tue, 21 Apr from Denver to Los Angeles, returning Tue, 5 May, priced at £131 found 1 day ago
United
Wed, 22 Apr - Thu, 14 May
DEN
Denver
SAN
San Diego
£137 Return, found 5 days ago
£137
Return
found 5 days ago
Select United flight, departing Wed, 22 Apr from Denver to San Diego, returning Thu, 14 May, priced at £137 found 5 days ago
American Airlines
Thu, 26 Mar - Mon, 30 Mar
DEN
Denver
PHX
Phoenix
£156 Return, found 5 days ago
£156
Return
found 5 days ago
Select American Airlines flight, departing Thu, 26 Mar from Denver to Phoenix, returning Mon, 30 Mar, priced at £156 found 5 days ago
Delta
Sat, 28 Feb - Sat, 7 Mar
DEN
Denver
MIA
Miami
£193 Return, found 5 days ago
£193
Return
found 5 days ago
Select Delta flight, departing Sat, 28 Feb from Denver to Miami, returning Sat, 7 Mar, priced at £193 found 5 days ago
Alaska Airlines
Tue, 7 Apr - Tue, 14 Apr
DEN
Denver
MCO
Orlando
£197 Return, found 1 hour ago
£197
Return
found 1 hour ago
Select Alaska Airlines flight, departing Tue, 7 Apr from Denver to Orlando, returning Tue, 14 Apr, priced at £197 found 1 hour ago

Frequently asked questions

What is the airport code for Denver Intl. Airport (DEN)?
Denver Intl. Airport (DEN) uses the airport code: DEN.
Does DEN have a hotel?
The The Westin Denver International Airport is moments from your departure gate at Denver Airport. Offering a wardrobe or closet, a wheelchair-accessible registration desk and cable TV services, this upmarket option is the ideal place to rest before you jet off. Unfortunately, you won't find any hotels within a stone's throw of the terminal, so you'll need to look further out for a place to lay your head. The Luxe 5 Bedroom Home with Roof Top Deck, Hot Tub, Mountain Views, 10 min from DIA is a good option, but be sure to leave enough time to reach the airport and catch your flight. And if that hotel doesn't meet your needs try another option on Denver, CO (DEN-Denver Intl.).
Are there private lounges in DIA airport?
Yes, Denver Intl. Airport (DEN) has one private lounge at least. Before you take off, look up what amenities are available and your eligibility for access by visiting the airport's website.
What airlines fly out of DIA airport?
Lock in a flight from Denver Intl. Airport (DEN) with one of these leading domestic airlines and you can relax knowing you're in great hands:

  • United Airlines
  • Frontier Airlines
  • American Airlines

With a good selection of international carriers operating flights out of Denver Intl. Airport (DEN), your ticket to an amazing holiday is a couple of clicks away:

  • United Airlines
  • Lufthansa
  • British Airways

How many flights per day fly out of DEN?
Clock up some more air miles on one of the 909 flights departing Denver Intl. Airport (DEN) a day. If you're planning your next holiday, check out this airport's destination list.
How to find cheap flights from DEN with Expedia?
After entering your destination and travel dates, you can sort your results by price, along with filter by departure time, preferred airline and more. The cheapest one-way flight from Denver, CO (DEN-Denver Intl.) was to San Diego (SAN) at £36. These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. Expedia makes it a walk in the park to land a cheap flight from your departure airport to wherever you're travelling. After you've entered your dates and destination, use our filters and sort by "Price (Lowest)" to see your cheapest options. You can also click on "Flexible dates" above the search results to explore the best prices for days surrounding your trip.
Where can you fly to from DIA airport?
Flights from DIA airport travel around the globe, but the three most frequented destinations for international travellers are Cancun, London and Cabo San Lucas. Domestic flights to Chicago, Phoenix and Dallas are also quick to be fully booked. Go on a trip to one of these fantastic destinations. There's nothing like the gift of travel to rejuvenate your soul.
What is the cancellation policy on flights and how do I cancel my flight on Expedia?
Most flights are free to cancel within 24 hours of making the reservation. However, some flights are non-refundable, and you may receive a flight credit from the airline to use for a future booking. For more information, please visit our Customer Service Portal.

Travel information

Denver Intl. Airport Information

Airport Name
Airport Location
Airport Code
Latitude
Longitude
Altitude
Denver Intl.Denver, USIATA: DEN, ICAO: KDEN, GPS Code: KDEN39.861698-104.6729971,655.37 meters

Denver Intl., DEN airport, offers flights from multiple airline carriers to many popular global destinations. Above you'll find some useful information about Denver’s airports that can help you in planning your next trip. Expedia offers flights from Denver Intl. on multiple airline carriers, and makes it easy and affordable for you to book.

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