For a smooth departure from IAD, use the Aerotrain to quickly reach distant concourses, but allow extra time for long walks to gates.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $588 (Expedia) |
One-way from | $257 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $1,133 |
Good round-trip deal | $826 or less |
Good one-way deal | $713 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Vienna
IAD - VIE
IADVIE
Washington, D.C. Dulles Intl
Mon 1/19
1:30 pm-5:30 pm
1 stop22h 00m
Vienna Intl
Sun 1/25
6:45 am-7:20 pm
1 stop18h 35m
Washington, D.C.Vienna
DCA - VIE
DCAVIE
Washington, D.C. Reagan-National
Wed 3/18
11:00 am-9:35 am
2 stops17h 35m
Vienna Intl
Mon 3/23
10:15 am-10:36 pm
2 stops17h 21m
Washington, D.C.Vienna
IAD - VIE
IADVIE
Washington, D.C. Dulles Intl
Wed 3/18
1:19 pm-9:35 am
2 stops15h 16m
Vienna Intl
Mon 3/23
10:15 am-6:15 pm
1 stop13h 00m
Washington, D.C.Vienna
IAD - VIE
IADVIE
Washington, D.C. Dulles Intl
Sat 3/7
5:30 pm-11:30 am
1 stop12h 00m
Vienna Intl
Sun 3/15
7:40 pm-4:15 pm
1 stop25h 35m
Washington, D.C.Vienna
DCA - VIE
DCAVIE
Washington, D.C. Reagan-National
Mon 3/2
12:05 pm-9:35 am
2 stops15h 30m
Vienna Intl
Wed 3/11
10:15 am-10:36 pm
2 stops17h 21m
Washington, D.C.Vienna
IAD - VIE
IADVIE
Washington, D.C. Dulles Intl
Sat 2/21
8:30 pm-7:25 pm
1 stop16h 55m
Vienna Intl
Sat 2/28
9:40 am-7:09 pm
2 stops15h 29m
Washington, D.C.Vienna
DCA - VIE
DCAVIE
Washington, D.C. Reagan-National
Mon 3/2
12:05 pm-9:35 am
2 stops15h 30m
Vienna Intl
Thu 3/5
8:05 pm-10:12 pm
2 stops32h 07m
Washington, D.C.Vienna
IAD - VIE
IADVIE
Washington, D.C. Dulles Intl
Sun 1/18
10:30 pm-11:35 am
1 stop31h 05m
Vienna Intl
Sat 5/9
1:25 pm-3:05 pm
1 stop31h 40m
Washington, D.C.Vienna
IAD - VIE
IADVIE
Washington, D.C. Dulles Intl
Wed 2/11
9:45 am-5:05 pm
2 stops25h 20m
Vienna Intl
Tue 2/17
6:35 am-8:54 pm
2 stops20h 19m
Washington, D.C.Vienna
IAD - VIE
IADVIE
Washington, D.C. Dulles Intl
Sat 4/25
8:20 pm-5:20 pm
2 stops15h 00m
Vienna Intl
Sun 5/3
10:10 am-4:50 pm
1 stop12h 40m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
To ensure you get the cheapest price possible for a flight from Washington, D.C. to Vienna, you should look to book at least 75 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, November is the cheapest month in which you can book a flight from Washington, D.C. to Vienna (average of $456). Flying from Washington, D.C. to Vienna in June is currently the most expensive (average of $890). 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.
It’s optimal to fly from Washington, D.C. to Vienna in the evening. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight in the morning.
Travelers seeking maximum savings on their Washington, D.C. to Vienna flight should consider departing on Thursday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from WAS to VIE are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
Lisbon (LIS) – chosen by Cheapflights users on 50% of 1-stop itineraries from Washington, D.C. to Vienna on Cheapflights.
Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of $845.
Flights via Lisbon (LIS) have the shortest average one-way travel time for 1-stop routes: 13h 02m.
Flights via Lisbon (LIS) offer the fastest connection on this route, with an average layover time of 1h 51m.
Crew
Overall
Boarding
Food
Entertainment
Comfort
Reviews
Nate,Dec 2025
IAD - GSP
Crew
Overall
Boarding
Food
Entertainment
Comfort
Reviews
Nate,Dec 2025
IAD - GSP
Crew
Overall
Boarding
Food
Entertainment
Comfort
Reviews
Nate,Dec 2025
IAD - GSP
Crew
Overall
Boarding
Food
Entertainment
Comfort
Reviews
Nate,Dec 2025
IAD - GSP
Crew
Overall
Boarding
Food
Entertainment
Comfort
Reviews
Nate,Dec 2025
IAD - GSP
Crew
Overall
Boarding
Food
Entertainment
Comfort
Reviews
Nate,Dec 2025
IAD - GSP
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$413 | Average$495 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$556 | Average$824 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$565 | Average$866 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$566 | Average$1,210 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$575 | Average$714 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$597 | Average$1,208 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$625 | Average$1,093 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$694 | Average$934 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$785 | Average$1,030 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$919 | Average$1,160 | FlexibilityNo cancel fee | On-timeN/A |