Cheap Flight Tickets from Denver (DEN) to Washington (IAD), Starting at $588

Good to Know: Cheapest and Fastest DEN - IAD Flights

Useful information for finding best airline tickets from Denver International to Washington Dulles International on your next trip.

Cheapest Round Trip Flight

$588

DL Delta Airlines • 1 stop • 10h 1m

Sep 05 – Sep 12

The cheapest round trip flight from Denver to Washington (DEN-IAD-DEN) is currently $588

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Cheapest Direct Flight

$1159

UA United Airlines • nonstop • 5h 28m

Sep 05

The cheapest nonstop flight from Denver to Washington (DEN-IAD) is currently $1159

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Fastest Flight

5h 25m

The fastest nonstop flight from Denver to Washington (DEN-IAD) takes 5h 25m

Top Airlines Flying from Denver to Washington

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Southwest Airlines-WN

Southwest Airlines

WestJet Airlines

WestJet Airlines

Latest Flight Deals from Denver (DEN) to Washington (IAD)

Compare and book low fare round-trip air tickets from Denver to Washington. Ideal for travelers with confirmed return itineraries.

Sep 05 - Sep 12, Economy
DL
Denver → Washington
10h 1m
4:33 PM - 12:34 AM • 1 stop
DL
Denver → Washington
9h 10m
3:15 PM - 7:05 PM • 1 stop
$588
Delta Airlines
Sep 05 - Sep 05, Economy
UA
Denver → Washington
5h 29m
10:20 AM - 3:49 PM • nonstop
UA
Denver → Washington
11h 52m
5:55 PM - 11:07 PM • 1 stop
$751
United Airlines
Sep 05 - Sep 05, Economy
DL
Denver → Washington
8h 55m
6:00 AM - 1:35 PM • 1 stop
UA
Denver → Washington
6h 47m
5:26 PM - 7:33 PM • nonstop
$1261
Delta Airlines
Sep 05 - Sep 12, Economy
AS
Denver → Washington
15h 57m
12:02 PM - 11:59 PM • 1 stop
AS
Denver → Washington
18h 27m
9:03 AM - 6:10 PM • 1 stop
$1404
Alaska Airlines
Sep 05 - Sep 12, Economy
F9
Denver → Washington
16h 49m
5:05 AM - 5:14 PM • 2 stops
F9
Denver → Washington
25h 59m
7:50 AM - 9:49 PM • 2 stops
$1802
Frontier Airlines
Sep 05 - Sep 12, Economy
AS
Denver → Washington
22h 17m
8:22 AM - 11:59 PM • 1 stop
AS
Denver → Washington
18h 27m
9:03 AM - 6:10 PM • 1 stop
$2016
Alaska Airlines

Fly from Denver to Washington with the Best Airfare Deals on FareLeaders

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.

FAQs on Denver to Washington Flights

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 5:05 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 UA : USD 751
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 11:59 pm

Denver (DEN) to Washington (IAD): Airport Information

Origin Airport Denver International , Denver, US
Destination Airport Washington Dulles International , Washington, US
Distance 1452 miles

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