$149 Cheap Delta flights Denver (DEN) to Washington (IAD)

View $149 flight on Fri, May 15, 2026Opens in a new window

$149 Cheap Delta flights Denver (DEN) to Washington (IAD)

Prices were available within the past 7 days and start at $149 for one-way flights and $294 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Apr 30 - Sun, May 3
DEN
Denver
IAD
Washington
$294 Roundtrip, found 2 days ago
$294
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Apr 30 from Denver to Washington, returning Sun, May 3, priced at $294 found 2 days ago
Delta
Thu, Apr 30 - Sun, May 3
DEN
Denver
IAD
Washington
$297 Roundtrip, found 2 days ago
$297
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Apr 30 from Denver to Washington, returning Sun, May 3, priced at $297 found 2 days ago
Delta
Fri, May 15 - Wed, May 20
DEN
Denver
IAD
Washington
$325 Roundtrip, found 9 hours ago
$325
Roundtrip
found 9 hours ago
Select Delta flight, departing Fri, May 15 from Denver to Washington, returning Wed, May 20, priced at $325 found 9 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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