Ethiopian Airlines offers 32-inch pitch in Economy Class, providing better-than-average comfort.
Enjoy Ethiopian national dishes like doro wot on flights, offering a cultural culinary experience.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $130 (Frontier) |
One-way from | $62 (Trip.com) |
Popular in | November |
Cheapest in | January |
Average price | $329 |
Good round-trip deal | $173 or less |
Good one-way deal | $111 or less |
Fly from
Fly to
Route
Depart
Return
Price
DenverWashington, D.C.
DEN - IAD
DENIAD
Denver Intl
Wed 1/14
2:42 pm-11:57 pm
1 stop7h 15m
Washington, D.C. Dulles Intl
Wed 1/21
6:00 am-10:08 am
1 stop6h 08m
DenverWashington, D.C.
DEN - DCA
DENDCA
Denver Intl
Thu 1/8
11:35 am-10:59 pm
1 stop9h 24m
Washington, D.C. Reagan-National
Sun 1/11
6:00 am-10:42 am
1 stop6h 42m
DenverWashington, D.C.
DEN - DCA
DENDCA
Denver Intl
Thu 1/8
11:35 am-10:59 pm
1 stop9h 24m
Washington, D.C. Reagan-National
Tue 1/13
7:00 am-12:45 pm
1 stop7h 45m
DenverWashington, D.C.
DEN - DCA
DENDCA
Denver Intl
Thu 3/5
11:13 pm-8:01 am
1 stop6h 48m
Washington, D.C. Reagan-National
Tue 3/10
7:00 am-1:51 pm
1 stop8h 51m
DenverWashington, D.C.
DEN - DCA
DENDCA
Denver Intl
Thu 1/8
11:35 am-10:59 pm
1 stop9h 24m
Washington, D.C. Reagan-National
Mon 1/12
6:00 am-10:42 am
1 stop6h 42m
DenverWashington, D.C.
DEN - DCA
DENDCA
Denver Intl
Wed 1/7
11:35 am-10:59 pm
1 stop9h 24m
Washington, D.C. Reagan-National
Mon 1/12
6:00 am-10:42 am
1 stop6h 42m
DenverWashington, D.C.
DEN - IAD
DENIAD
Denver Intl
Mon 1/12
2:42 pm-11:57 pm
1 stop7h 15m
Washington, D.C. Dulles Intl
Sat 1/24
7:00 am-2:05 pm
1 stop9h 05m
DenverWashington, D.C.
DEN - DCA
DENDCA
Denver Intl
Sat 1/10
2:38 pm-10:57 pm
1 stop6h 19m
Washington, D.C. Reagan-National
Sat 1/17
4:00 pm-10:55 pm
1 stop8h 55m
DenverWashington, D.C.
DEN - IAD
DENIAD
Denver Intl
Sat 1/10
5:00 pm-10:10 pm
Nonstop3h 10m
Washington, D.C. Dulles Intl
Sat 1/17
3:45 pm-5:50 pm
Nonstop4h 05m
DenverWashington, D.C.
DEN - IAD
DENIAD
Denver Intl
Tue 1/6
2:42 pm-11:57 pm
1 stop7h 15m
Washington, D.C. Dulles Intl
Sat 1/10
6:00 am-10:24 am
1 stop6h 24m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Denver to Washington, D.C., you should look to book at least 52 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, February is the cheapest month in which you can book a flight from Denver to Washington, D.C. (average of $76). Flying from Denver to Washington, D.C. in May is currently the most expensive (average of $134). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Denver to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 20% versus a flight at noon.
Travelers seeking maximum savings on their Denver to Washington, D.C. flight should consider departing on Thursday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from DEN to WAS are scheduled on a Wednesday (26 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$99 | Average$239 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$314 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$338 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$180 | Average$379 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$196 | Average$292 | FlexibilityNo cancel fee | On-time71% |