Denver (DEN) to Washington, D.C./Dulles (IAD) Flight Schedule

Flight Denver(DEN) to Dulles(IAD)
CHANGE DIRECTION

Denver International Airport Washington Dulles International Airport
DEN : Denver , United States IAD : Washington, D.C. , United States
UTC-6(DST) UTC-4(DST)

Denver to Dulles Flight Schedule(September 2025)

Flight from Denver(DEN) to Dulles(IAD) is operated by 2 airlines : United Airlines (UA),Southwest Airlines (WN). You can check flight schedules, flight duration, and aircraft types.

Change Direction(IAD to DEN)

Denver (DEN) to Washington, D.C./Dulles (IAD) Flight Schedule

LastUpdate : 2025/09/01 06:00

Flight Schedule on September 2025 , Direct flight departure from Denver with all airlines , flight number, flight duration, aircraft type.

September 2025
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Change Direction(IAD to DEN)
Flight Number / Airline Departure Time Arrival Time Flight Duration Operating Days Aircraft Type Airfare / Tickets
UA1377
United Airlines 		06:00 15:52 7h52m
1 Transfer
Daily (Sep 1–12, Sep 14–24)
Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES
WN2467
Southwest Airlines 		08:00 13:20 3h20m
M------ (Sep 1)
737-700 (WL) Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES
08:00 13:20 3h20m
---TF-- (Sep 4–5)
737-8-MAX
09:40 15:00 3h20m
-----S- (Sep 6, Sep 13, Sep 20, Sep 27)
737-800 (WL)
08:00 13:20 3h20m
M--TF-- (Sep 8, Sep 11–12, Sep 15, Sep 18–19, Sep 22, Sep 25–26, Sep 29)
737-8-MAX
UA1101
United Airlines 		08:00 13:26 3h26m
Daily (Sep 1–24)
737-900 Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES
08:01 13:28 3h27m
---TFSS (Sep 25–28)
A321neo
Codeshare flight ▼
WN1869
Southwest Airlines 		17:30 22:50 3h20m
M--TF-- (Sep 1, Sep 4–5, Sep 8, Sep 11–12, Sep 15, Sep 18–19, Sep 22, Sep 25–26)
737-8-MAX Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES
08:20 13:40 3h20m
-TW---- (Sep 2–3, Sep 9–10, Sep 16–17, Sep 23–24, Sep 30)
737-8-MAX
17:25 22:45 3h20m
-----S- (Sep 6, Sep 13, Sep 20, Sep 27)
737-8-MAX
19:30 00:55(+1) 3h25m
------S (Sep 7, Sep 14, Sep 21, Sep 28)
737-8-MAX
17:30 22:50 3h20m
M------ (Sep 29)
737-8-MAX
WN4123
Southwest Airlines 		09:55 15:20 3h25m
------S (Sep 7, Sep 14, Sep 21, Sep 28)
737-800 (WL) Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES
UA2087
United Airlines 		10:12 15:34 3h22m
Daily (Sep 1–19, Sep 21)
777 Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES
10:12 15:41 3h29m
-----S- (Sep 20)
737-9-MAX
10:12 15:34 3h22m
MTW---- (Sep 22–24)
777
10:10 15:40 3h30m
MT-TFSS (Sep 25–30)
A321neo
Codeshare flight ▼
WN3844
Southwest Airlines 		11:00 16:15 3h15m
-TW---- (Sep 2–3, Sep 9–10, Sep 16–17, Sep 23–24, Sep 30)
737-700 (WL) Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES
UA2853
United Airlines 		11:15 16:43 3h28m
Daily (Sep 1–24)
737-9-MAX Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES
11:15 16:43 3h28m
MT-TFSS (Sep 25–30)
737-900
Codeshare flight ▼
WN2036
Southwest Airlines 		13:00 18:15 3h15m
M--TF-- (Sep 1, Sep 4–5, Sep 8, Sep 11–12, Sep 15, Sep 18–19, Sep 22, Sep 25–26)
737-700 (WL) Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES
16:45 22:05 3h20m
-TW---- (Sep 2–3, Sep 9–10, Sep 16–17, Sep 23–24)
737-8-MAX
13:00 18:15 3h15m
M------ (Sep 29)
737-700 (WL)
16:45 22:05 3h20m
-T----- (Sep 30)
737-8-MAX
UA1536
United Airlines 		13:52 19:13 3h21m
MTWTFS- (Sep 1, Sep 3–4, Sep 6, Sep 8–9, Sep 12, Sep 16, Sep 19)
777 Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES
13:52 19:09 3h17m
--W---- (Sep 10)
787-9
13:52 19:20 3h28m
---T-SS (Sep 11, Sep 13–14, Sep 21)
737-900
13:52 19:13 3h21m
M-WT--- (Sep 15, Sep 17–18)
777
13:52 19:20 3h28m
-----S- (Sep 20)
737-900
13:52 19:13 3h21m
MTW---- (Sep 22–24)
777
Codeshare flight ▼
UA347
United Airlines 		13:56 19:23 3h27m
MT-T-SS (Sep 25, Sep 27–30)
A321neo Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES
Codeshare flight ▼
UA798
United Airlines 		15:40 21:07 3h27m
Daily (Sep 1–24)
737-900 Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES
15:40 21:07 3h27m
---TF-- (Sep 25–26)
737-9-MAX
15:40 21:05 3h25m
-----SS (Sep 27–28)
757-200
15:40 21:07 3h27m
MT----- (Sep 29–30)
737-9-MAX
Codeshare flight ▼
UA2408
United Airlines 		17:50 23:17 3h27m
Daily (Sep 1–24)
737-900 Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES
17:55 23:22 3h27m
-----S- (Sep 27)
737-900
17:55 23:22 3h27m
MT----- (Sep 29–30)
A321neo
Codeshare flight ▼
UA1924
United Airlines 		23:59 05:22(+1) 3h23m
Daily (Sep 1–24)
737-9-MAX Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES
23:59 05:22(+1) 3h23m
-T-TFS- (Sep 25–27, Sep 30)
737-900
23:59 05:24(+1) 3h25m
------S (Sep 28)
A321neo
23:59 05:22(+1) 3h23m
MT----- (Sep 29–30)
737-900
Codeshare flight ▼
Change Direction(IAD to DEN)
Flight schedules as of September 01, 2025, 06:00 AM(OAG data). Schedules may change without notice, so please check with airlines before booking. Refer to FlyTeam's terms of use before proceeding. Some airlines and flight numbers may not be displayed.

FAQ : Denver to Washington, D.C./Dulles

How many airlines fly from Denver to Washington, D.C. ?
As of September 2025, 2 airlines operate direct flights from Denver (DEN) to Washington, D.C./Dulles (IAD) : United Airlines , Southwest Airlines.
How far is it from Denver to Washington, D.C.?
The distance between Denver (DEN) to Washington, D.C./Dulles (IAD) is approximately 1,450 miles(2,330km) by air.
What is the time difference between Denver to Washington, D.C.?
The time difference between Denver International Airport(Denver) and Washington Dulles International Airport(Washington, D.C.) is +2 hours. Washington, D.C. is 2 hours ahead of Denver.Denver is currently observing daylight saving time (DST) from March 9, 2025 to November 2, 2025.Washington, D.C. is currently observing daylight saving time (DST) from March 9, 2025 to November 2, 2025.