Cheap Flights from Denver Intl. Airport (DEN)

View NZ$101 flight on Thu, 22 Jan 2026Opens in a new window

Popular airlines from Denver International Airport (DEN)

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Frontier Airlines

    Frontier Airlines

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

  • Air Canada

    Air Canada

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Flights from Denver Intl. Airport

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, 22 Jan - Wed, 28 Jan
DEN
Denver
SAN
San Diego
NZ$202 Return, found 4 days ago
NZ$202
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu, 22 Jan from Denver to San Diego, returning Wed, 28 Jan, priced at NZ$202 found 4 days ago
Alaska Airlines
Fri, 23 Jan - Mon, 26 Jan
DEN
Denver
SAN
San Diego
NZ$204 Return, found 2 days ago
NZ$204
Return
found 2 days ago
Select Alaska Airlines flight, departing Fri, 23 Jan from Denver to San Diego, returning Mon, 26 Jan, priced at NZ$204 found 2 days ago
Alaska Airlines
Sat, 21 Feb - Sat, 28 Feb
DEN
Denver
PHX
Phoenix
NZ$235 Return, found 4 days ago
NZ$235
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat, 21 Feb from Denver to Phoenix, returning Sat, 28 Feb, priced at NZ$235 found 4 days ago
American Airlines
Sat, 21 Feb - Sat, 28 Feb
DEN
Denver
PHX
Phoenix
NZ$237 Return, found 4 days ago
NZ$237
Return
found 4 days ago
Select American Airlines flight, departing Sat, 21 Feb from Denver to Phoenix, returning Sat, 28 Feb, priced at NZ$237 found 4 days ago
Alaska Airlines
Thu, 22 Jan - Wed, 28 Jan
DEN
Denver
SAN
San Diego
NZ$253 Return, found 4 days ago
NZ$253
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu, 22 Jan from Denver to San Diego, returning Wed, 28 Jan, priced at NZ$253 found 4 days ago
United
Thu, 22 Jan - Wed, 28 Jan
DEN
Denver
SAN
San Diego
NZ$262 Return, found 4 days ago
NZ$262
Return
found 4 days ago
Select United flight, departing Thu, 22 Jan from Denver to San Diego, returning Wed, 28 Jan, priced at NZ$262 found 4 days ago
Alaska Airlines
Sat, 21 Feb - Sat, 28 Feb
DEN
Denver
PHX
Phoenix
NZ$270 Return, found 4 days ago
NZ$270
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat, 21 Feb from Denver to Phoenix, returning Sat, 28 Feb, priced at NZ$270 found 4 days ago
Delta
Thu, 22 Jan - Wed, 28 Jan
DEN
Denver
SAN
San Diego
NZ$270 Return, found 4 days ago
NZ$270
Return
found 4 days ago
Select Delta flight, departing Thu, 22 Jan from Denver to San Diego, returning Wed, 28 Jan, priced at NZ$270 found 4 days ago
United
Thu, 22 Jan - Wed, 28 Jan
DEN
Denver
SAN
San Diego
NZ$271 Return, found 4 days ago
NZ$271
Return
found 4 days ago
Select United flight, departing Thu, 22 Jan from Denver to San Diego, returning Wed, 28 Jan, priced at NZ$271 found 4 days ago
Turkish Airlines
Sat, 24 Jan - Sat, 31 Jan
DEN
Denver
FCO
Rome
NZ$1,295 Return, found 1 day ago
NZ$1,295
Return
found 1 day ago
Select Turkish Airlines flight, departing Sat, 24 Jan from Denver to Rome, returning Sat, 31 Jan, priced at NZ$1,295 found 1 day ago

Denver Intl. Airport Information

Airport Name
Airport Location
Airport Code
Latitude
Longitude
Altitude
Denver International AirportDenver, USAIATA: DEN, ICAO: DEN39.861698-104.6729971,655.37 meters

Denver Airport is also known by its International Air Transport Association code as DEN Airport and is located in the city of Denver. Flights are handled by 67 airlines offering both international and domestic travel. The most common airline flying in and out of Denver is American Airlines with 4,057 Denver flights every month! Check out our helpful Denver International Airport information, including individual terminal maps and local weather information. It’s everything you need to book cheap Denver flights for your next business trip or holiday!

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 NZ$101. 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.

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