Flight Routes from Washington DC to Denver

Compare cheap outbound and return flights from Washington DC (IAD) to Denver (DEN) and find the best offer from numerous airlines and travel agencies.

Trip type
Cheapest roundtrip flight
from€269
Fastest outbound flight
Fastest inbound flight
non-stop flights
52x / week
Flight distance
2,334 km
Time difference

Cheap flight offers from Washington DC - Dulles to Denver

sorted by price and recency
filters
  1. –
    Delta Air Lines
    –
    IAD–DEN
    1 stopover
    Delta Air Lines
    –
    DEN–IAD
    1 stopover
    €456
  2. –
    Frontier Airlines
    –
    IAD–DEN
    1 stopover
    American Airlines
    –
    DEN–IAD
    1 stopover
    €435
  3. –
    American Airlines
    –
    IAD–DEN
    1 stopover
    American Airlines
    –
    DEN–IAD
    1 stopover
    €3,014
  4. –
    United Airlines
    –
    IAD–DEN
    2 stopovers
    American Airlines
    –
    DEN–IAD
    4 stopovers
    €946
  5. –
    Frontier Airlines
    –
    IAD–DEN
    1 stopover
    Frontier Airlines
    –
    DEN–IAD
    1 stopover
    €674
  6. –
    American Airlines
    –
    IAD–DEN
    1 stopover
    American Airlines
    –
    DEN–IAD
    1 stopover
    €575

Flight schedule from Washington DC (IAD) to Denver (DEN)

Select a travel date in the flight schedule for the route from Washington DC (IAD) to Denver (DEN) and compare affordable flight deals.

offers
Active filtersnone
Matching outbound flightsIAD–DEN · 15 of 15
fromto
dep.arr.
durationstopovers
  1. November 8 – 14, 2026
  2. November 15 – 21, 2026
  3. November 22 – 28, 2026
    1. IADDEN
      nonstop
      1. United Airlines
    2. IADDEN
      nonstop
      1. United Airlines
    3. IADDEN
      nonstop
      1. United Airlines
    4. IADDEN
      nonstop
      1. United Airlines
    5. IADDEN
      nonstop
      1. United Airlines
    6. IADDEN
      nonstop
      1. United Airlines
    7. IADDEN
      nonstop
      1. United Airlines
    8. IADDEN
      nonstop
      1. United Airlines
    9. IADDEN
      nonstop
      1. United Airlines
    10. IADDEN
      nonstop
      1. United Airlines
    11. IADDEN
      nonstop
      1. United Airlines
    12. IADDEN
      nonstop
      1. United Airlines
    13. IADDEN
      nonstop
      1. United Airlines
    14. IADDEN
      nonstop
      1. United Airlines
    15. IADDEN
      nonstop
      1. United Airlines

      Important flight information

      Discover more flights around Washington DC and Denver

      Departure airport Airport Washington DC - Dulles International Airport, DC (IAD)
      Arrival airport Airport Denver International Airport, CO (DEN)
      Destination country Flights to United States
      City-Code - Arrival airport Washington-DC - Denver International Airport, CO
      Departure airport - Destination country Washington DC - Dulles International Airport, DC - United States
      Flight destinations with a similar price