$184 Cheap United flights Denver (DEN) to Washington (IAD)

View $184 flight on Fri, May 15, 2026Opens in a new window

$184 Cheap United flights Denver (DEN) to Washington (IAD)

Prices were available within the past 7 days and start at $184 for one-way flights and $277 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Apr 30 - Sun, May 3
DEN
Denver
IAD
Washington
$277 Roundtrip, found 2 days ago
$277
Roundtrip
found 2 days ago
Select United flight, departing Thu, Apr 30 from Denver to Washington, returning Sun, May 3, priced at $277 found 2 days ago
United
Fri, May 15 - Wed, May 20
DEN
Denver
IAD
Washington
$299 Roundtrip, found 21 hours ago
$299
Roundtrip
found 21 hours ago
Select United flight, departing Fri, May 15 from Denver to Washington, returning Wed, May 20, priced at $299 found 21 hours ago
United
Thu, Apr 30 - Sun, May 3
DEN
Denver
IAD
Washington
$314 Roundtrip, found 2 days ago
$314
Roundtrip
found 2 days ago
Select United flight, departing Thu, Apr 30 from Denver to Washington, returning Sun, May 3, priced at $314 found 2 days ago
United
Thu, Apr 30 - Sun, May 3
DEN
Denver
IAD
Washington
$318 Roundtrip, found 2 days ago
$318
Roundtrip
found 2 days ago
Select United flight, departing Thu, Apr 30 from Denver to Washington, returning Sun, May 3, priced at $318 found 2 days ago
United
Fri, May 15 - Wed, May 20
DEN
Denver
IAD
Washington
$319 Roundtrip, found 21 hours ago
$319
Roundtrip
found 21 hours ago
Select United flight, departing Fri, May 15 from Denver to Washington, returning Wed, May 20, priced at $319 found 21 hours ago
United
Fri, May 15 - Wed, May 20
DEN
Denver
IAD
Washington
$331 Roundtrip, found 21 hours ago
$331
Roundtrip
found 21 hours ago
Select United flight, departing Fri, May 15 from Denver to Washington, returning Wed, May 20, priced at $331 found 21 hours ago

Alternative airports near Washington

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

Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $190
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $190

Find the cheapest month to fly from Denver (DEN) to Washington (IAD)

April is typically the cheapest month to fly

From $120 - $395 per traveler.

Travel information

Origin airport
Denver Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
2318 km
Average flight time
5 hours 22 mins

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