CA $179 Cheap Flights from Denver (DEN) to Washington (IAD)

Flight 1

Popular airlines from Denver International Airport (DEN) to Washington Dulles International Airport (IAD)

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Cheap flights from Denver (DEN) to Washington (IAD)

Prices were available within the past 7 days and start at CA $179 for one-way flights and CA $446 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
American Airlines
Alaska Airlines
American Airlines
American Airlines
Delta
American Airlines
Delta
American Airlines
United

Alternative airports near Washington

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

Frequently asked questions

How much is a flight from Denver Airport to Dulles Intl. Airport?
If you're planning on travelling from Denver Airport to IAD, round-trip flights start from CA $446. This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DIA airport to IAD?
Most flights can be cancelled online, but whether or not you incur a fee depends on your airline. If you do need to cancel your vacation, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from DEN to Dulles Intl. Airport that have flexible change policies?
Flights from DIA airport to IAD offering flexible change policies are available with many carriers. Simply use our "No change fees" filter when searching. You'll only need to pay the cost difference between flights, without any extra fees to worry about.
How many hours is the flight from DEN to Dulles Intl. Airport?
There are plenty of ways to make the 3 hours and 20 minutes between DIA airport and Dulles Intl. Airport fly by. Be productive and organize your camera roll or clear out all those backed-up emails. A snooze also helps pass the time!
How far is the flight from Denver Airport to IAD?
It's around 2,300 kilometres between Denver and Chantilly, so you'll be in your seat for a while. Keep yourself occupied with things like crossword puzzles or a gripping book.
Which airlines fly direct from Denver Intl. Airport (DEN) to IAD?
United Airlines (UA) is the number one choice for many travellers. It offers 182 flights between DIA airport and Washington Dulles Intl. Airport (IAD) each month. Another airline servicing this route is Southwest Airlines (WN). You'll have 56 flights every month to choose from.
Are Denver Airport to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so it's no sure thing. While last-minute flight deals between DEN and IAD are of course possible, it's also a good idea to keep an eye on prices well before you fly. In fact, some carriers publicize their prices up to 12 months ahead of the departure date. Expedia is constantly updating the biggest airfare bargains around, so check back often and be ready to grab your seat when the price dips.

Travel information

Origin airport
Denver Intl.
Destination airport
Washington Dulles Intl.
Roundtrip price
CA $445
Distance
2318 km
Average flight time
5 hours 27 mins

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