Search & Compare - Denver to Washington Flights & Tickets

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Cheap flights from Denver to Washington (DEN to IAD)

Looking for a cheap last-minute deal or the best round-trip flight from Denver to Washington? Find the biggest savings on one-way and round-trip tickets right here.

Good to know

Useful information for finding cheap flights from Denver International to Washington Dulles International and booking your next trip

Cheapest Round Trip Flight

$218

B6 JetBlue Airways • 1 stop • 8h 47m

Jun 17 – Jun 21

The cheapest round trip flight from Denver International to Washington Dulles International is currently $218

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Cheapest Direct Flight

$375

F9 Frontier Airlines • nonstop • 5h 31m

Jun 17

The cheapest nonstop flight from Denver International to Washington Dulles International is currently $375

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Fastest Flight

5h 15m

The fastest nonstop flight from Denver International to Washington Dulles International takes 5h 15m

Recent airfare deals on Denver to Washington

Jun 17 - Jun 21, Economy
B6
Denver → Washington
8h 47m
11:25 AM - 10:59 PM • 1 stop
F9
Denver → Washington
10h 43m
1:29 PM - 11:19 PM • 1 stop
$218
JetBlue Airways
Jun 17 - Jun 21, Economy
DL
Denver → Washington
26h 49m
11:50 AM - 5:59 AM • 1 stop
DL
Denver → Washington
8h 51m
12:03 PM - 3:34 PM • 1 stop
$338
Delta Airlines
Jun 17 - Jun 21, Economy
AA
Denver → Washington
8h 23m
11:26 AM - 7:59 PM • 1 stop
F9
Denver → Washington
10h 43m
1:29 PM - 11:19 PM • 1 stop
$353
American Airlines
Jun 17 - Jun 21, Economy
WN
Denver → Washington
6h 40m
11:05 AM - 6:55 PM • 1 stop
F9
Denver → Washington
10h 24m
6:07 PM - 9:02 AM • 1 stop
$366
Southwest Airlines
Jun 17 - Jun 21, Economy
UA
Denver → Washington
12h 9m
11:38 AM - 9:07 PM • 1 stop
UA
Denver → Washington
5h 56m
7:59 PM - 9:55 PM • nonstop
$392
United Airlines
Jun 17 - Jun 21, Economy
UA
Denver → Washington
- • 1 stop
UA
Denver → Washington
- • nonstop
$597
United Airlines

Facts to know while booking flights from Denver to Washington

What are the airports in Denver?
DEN
What’s the most popular airline flying from DEN to IAD?
The most popular airline flying from Denver to Washington are
Can I fly from DEN to IAD non-stop?
Yes, you can fly DEN to IAD non-stop on
Which airlines fly nonstop between Denver and Washington?
The non-stop flights between Denver and Washington are .
What’s the earliest departure time from DEN to IAD Airport?
The earliest flight leaves DEN at 10:12 am and lands in IAD - Washington Dulles International
What are the airports in Washington?
IAD,BWI,DCA
Can I make changes to my Denver to Washington flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from DEN to IAD?
Read the fare rules of the Denver to Washington air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Denver and Washington?
operate flights between Denver and Washington
How long does a flight from Denver to Washington take?
It takes approximately 4 hour to fly non-stop from DEN to IAD, which is 1452.42 miles by air.
Which airlines provide the cheapest flights from Denver (DEN) to Washington (IAD) ?
In the past couple of days, the cheapest tickets to IAD from DEN were found on ('WN') : USD 366
Do I need a passport to fly between DEN and IAD?
No
What’s the latest departure time from DEN to IAD ?
The last flight leaves DEN at 11:3800 am

Flights from Denver to Washington

Origin Airport Denver International , Denver, US
Destination Airport Washington Dulles International , Washington, US
Distance miles

Popular Airlines

Southwest Airlines-WN
Delta Airline, DL
United Airlines, UA
American Airlines, AA
Hawaiian Airlines-HA
Alaska Airlines -AS

Popular Origin & Destination

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