Direct flights from Dulles to Denver

Did you mean Flights from Denver to Dulles?

Dulles

United States

IAD

Washington Dulles International Airport

Denver

United States

DEN

Denver International Airport

Route: Nonstop service available
Distance: 1,449 miles
Marketing airlines: 7 airlines
Aircraft: 9 aircraft types
Dates: Oct 5, 2026 – Oct 3, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Lowest price in this limited sample: 15,000 points + $5.00 for IAD → DEN, Economy, on 2026-10-10, booked with United MileagePlus. This is an observed fare, not a guaranteed price or the lowest price across all dates and programs.

Departure window: 2026-10-10 through 2026-11-08.

Recently observed award prices by route, flight, departure date, cabin, and booking program
Route / flight	Departure	Cabin	Book with	Points	Fees (USD)	Seats seen	Observed (UTC)
IAD → DEN UA495	2026-10-10	Economy	United MileagePlus	15,000	$5.00	1	2026-10-10 08:50
IAD → DEN UA495	2026-10-10	Economy	JetBlue	18,000	$5.00	9	2026-10-10 08:49
IAD → DEN UA495	2026-10-10	Economy	Virgin Australia	19,000	$9.00	9	2026-10-09 07:14
IAD → DEN UA495	2026-10-10	Economy	Ethiopian ShebaMiles	22,500	$0.00	9	2026-10-09 07:14
IAD → DEN UA395	2026-10-10	Economy	United MileagePlus	37,600	$5.00	1	2026-10-10 08:50
IAD → DEN UA1126	2026-10-10	Economy	United MileagePlus	37,600	$5.00	1	2026-10-10 08:50
IAD → DEN UA797	2026-10-10	Economy	United MileagePlus	37,600	$5.00	1	2026-10-10 08:50
IAD → DEN UA1587	2026-10-10	Economy	United MileagePlus	37,600	$5.00	1	2026-10-10 08:50
IAD → DEN UA1865	2026-10-10	Economy	United MileagePlus	37,600	$5.00	1	2026-10-10 08:50
IAD → DEN UA599	2026-10-10	Economy	United MileagePlus	37,600	$5.00	1	2026-10-10 08:50
IAD → DEN UA1865	2026-10-10	First	United MileagePlus	60,400	$5.00	1	2026-10-09 07:15
IAD → DEN UA395	2026-10-10	First	United MileagePlus	60,400	$5.00	1	2026-10-10 08:50

Dulles to Denver route overview

Washington Dulles International Airport (IAD) serves Dulles; Denver International Airport (DEN) serves Denver.

The airports are 1,449 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from IAD to DEN.

Marketing airlines listed in the current schedule, including codeshare sellers, are Avianca (AV), Alitalia (AZ), Copa Airlines (CM), Ethiopian Airlines (ET), Lufthansa (LH), Brussels Airlines (SN) and United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 5, 2026 – Oct 3, 2027.

Marketing airlines on the Dulles to Denver route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Avianca (AV)Codeshare only
Alitalia (AZ)Codeshare only
Copa Airlines (CM)Codeshare only
Ethiopian Airlines (ET)Codeshare only
Lufthansa (LH)Codeshare only
Brussels Airlines (SN)Codeshare only

Airline alliance affiliations represented: Star Alliance

Aircraft flying from IAD to DEN

Frequently asked questions

Which airports serve the Dulles to Denver route?

Washington Dulles International Airport (IAD) is the origin airport and Denver International Airport (DEN) is the destination airport.

How far is Denver from Dulles?

IAD and DEN are approximately 1,449 miles apart by great-circle distance.

Are there direct flights from IAD to DEN?

Yes. Roame's current schedule feed shows nonstop service from IAD to DEN.

Which airlines market flights from IAD to DEN?

Which aircraft fly from IAD to DEN?

Aircraft listed in the current schedule include Airbus A319 (319), Airbus A321neo (32Q), Boeing 737-800 (738), Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-700 / Boeing 737-700ER (73G), Boeing 757-300 (753), 777, Boeing 737 MAX 8 (7M8) and JET.