Cheap flights from IAD to DEN (Washington Dulles Intl. to Denver Intl.)

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Cheap Flights from IAD to DEN starting at $89 One Way, $179 Round Trip

Prices starting at $179 for return flights and $89 for one-way flights to Denver Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 30 - Thu, Sep 4
IAD
Washington
DEN
Denver
$179 Roundtrip, found 14 hours ago
$179
Roundtrip
found 14 hours ago
Select Southwest Airlines flight, departing Sat, Aug 30 from Washington to Denver, returning Thu, Sep 4, priced at $179 found 14 hours ago
Tue, Sep 2 - Mon, Sep 8
IAD
Washington
DEN
Denver
$180 Roundtrip, found 3 days ago
$180
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Sep 2 from Washington to Denver, returning Mon, Sep 8, priced at $180 found 3 days ago
Sat, Aug 30 - Thu, Sep 4
IAD
Washington
DEN
Denver
$185 Roundtrip, found 14 hours ago
$185
Roundtrip
found 14 hours ago
Select United flight, departing Sat, Aug 30 from Washington to Denver, returning Thu, Sep 4, priced at $185 found 14 hours ago
Sat, Oct 4 - Tue, Oct 14
IAD
Washington
DEN
Denver
$187 Roundtrip, found 1 day ago
$187
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Oct 4 from Washington to Denver, returning Tue, Oct 14, priced at $187 found 1 day ago
Sat, Aug 30 - Thu, Sep 4
IAD
Washington
DEN
Denver
$188 Roundtrip, found 14 hours ago
$188
Roundtrip
found 14 hours ago
Select Southwest Airlines flight, departing Sat, Aug 30 from Washington to Denver, returning Thu, Sep 4, priced at $188 found 14 hours ago

Hotel Ideas near Denver Intl.

Low Priced Denver Hotels

Ramada by Wyndham Denver Downtown

Ramada by Wyndham Denver Downtown

2.5 out of 5
1150 E Colfax Ave, Denver, CO
Book a stay at this business-friendly hotel in Denver. Enjoy free WiFi, free parking, and room service. Popular attractions Coors Field and Union Station are ...
"Okay"

Reviewed on Feb 18, 2021

Get rates
Ramada by Wyndham Denver Downtown
Econo Lodge Denver International Airport

Econo Lodge Denver International Airport

2 out of 5
15900 E 40th Ave, Aurora, CO
$90 nightly
The price is $101 total per night from Jul 25 to Jul 26
$101 total
Jul 25 - Jul 26
Total includes taxes and fees
Book a stay at this business-friendly hotel in Aurora. Enjoy free WiFi, free parking, and a 24-hour front desk. Our guests praise the helpful staff and the clean ...
7.4/10 Good! (1,017 reviews)
"Always agood choice when going to DIA"

Reviewed on Jul 12, 2025

Econo Lodge Denver International Airport
Microtel Inn & Suites by Wyndham Denver Airport

Microtel Inn & Suites by Wyndham Denver Airport

2 out of 5
18600 E 63rd Ave, Denver, CO
$109 nightly
The price is $126 total per night from Jul 20 to Jul 21
$126 total
Jul 20 - Jul 21
Total includes taxes and fees
Book a stay at this business-friendly hotel in Denver. Enjoy free breakfast, free WiFi, and a free airport shuttle. Our guests praise the helpful staff and the ...
7.8/10 Good! (462 reviews)
"Good deal for the price. Great people at front desk. Clean room"

Reviewed on Jul 17, 2025

Microtel Inn & Suites by Wyndham Denver Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Family Friendly Hotels in Denver

Drury Plaza Hotel Denver Westminster

Drury Plaza Hotel Denver Westminster

3 out of 5
10393 Reed Street, Westminster, CO
$102 nightly
The price is $114 total per night from Jul 27 to Jul 28
$114 total
Jul 27 - Jul 28
Total includes taxes and fees
Stay at this 3-star business-friendly hotel in Westminster. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
9.4/10 Exceptional! (1,011 reviews)
"It was very easy to access and everyone was so helpful and genuinely nice. It made for a great stay."

Reviewed on Jul 16, 2025

Drury Plaza Hotel Denver Westminster
The Westin Westminster

The Westin Westminster

4 out of 5
10600 Westminster Boulevard, Westminster, CO
$123 nightly
The price is $138 total per night from Aug 3 to Aug 4
$138 total
Aug 3 - Aug 4
Total includes taxes and fees
Stay at this 4-star family-friendly hotel in Westminster. Enjoy breakfast (surcharge), a free area shuttle, and a fitness center. Our guests praise the helpful ...
8.8/10 Excellent! (1,001 reviews)

Families like: Kids pool, cribs, rollaway beds

Travelers say...
"Fine condition, well-located"

Reviewed on Jul 15, 2025

The Westin Westminster
Hyatt Place Denver Tech Center

Hyatt Place Denver Tech Center

3 out of 5
8300 E Crescent Pkwy, Greenwood Village, CO
$98 nightly
The price is $108 total per night from Jul 20 to Jul 21
$108 total
Jul 20 - Jul 21
Total includes taxes and fees
Stay at this 3-star business-friendly hotel in Greenwood Village. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and ...
8.2/10 Very Good! (1,019 reviews)
"Great facility"

Reviewed on Jul 16, 2025

Hyatt Place Denver Tech Center
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

IAD to DEN Route Info

Origin Airport
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date
IAD Address & GPS
Address:
1 Saarinen Circle
Dulles VA, 20166
United States
IATA Code:
IAD
Longitude:
-77.447735
Latitude:
38.95315
Time Zone:
America/New_York
DEN Address & GPS
Address:
8500 Pena Boulevard
Denver CO, 80249-6340
United States
IATA Code:
DEN
Longitude:
-104.673098
Latitude:
39.851382
Time Zone:
America/Denver

Frequently asked questions

Are there non-stop flights from Dulles Intl. Airport to Denver Airport?
There's no need to swap aircraft during this trip. Direct flights from Washington Dulles Intl. Airport (IAD) to Denver Airport can booked with several airlines. Find the best deal and reserve your favorite seat with United Airlines or Southwest Airlines.
What is the shortest flight from IAD to Denver Airport?
Ask for an in-flight wine and settle into your seat with a fascinating movie or book. With the flight from Washington to Denver taking 3 hours and 54 minutes, there's plenty of time to enjoy the flying experience.
How many hours flight from IAD to DIA airport?
On a normal day, the flight from Washington Dulles Intl. Airport (IAD) to Denver Airport takes 4 hours and 5 minutes. If you want to be as comfy as possible, try upgrading your seat using miles or cash.
What airlines have the most flights from IAD to Denver Airport?
Going on vacation is one of life's greatest pleasures, but how you travel to your destination should be equally as enjoyable. Look into booking your flight from Dulles Intl. Airport to DIA airport with Southwest Airlines (WN). One of the most popular carriers, it offers 43 flights on this route each month. Also research the great fares from United Airlines (UA). Offering 176 flights each month between Washington and Denver, they'll make sure your journey is just as good as the destination.

Map To Nearby Hotels

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.