Cheap flights to Dulles Intl

BOS — IAD
24 May — 31 May1
Return
1 adult
Economy
From?
To?
Tue 24-5
Tue 31-5

Flights to Dulles Intl in 2022

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Popular inJulyHigh demand for flights, 2% potential price rise
Cheapest inMayBest time to find cheap flights, 1% potential price drop
Average priceS$ 1,257Average for return flights in May 2022
Return fromS$ 1,371From Singapore Changi to Washington, D.C.
One-way fromS$ 680One-way flight from Singapore Changi (SIN) to Washington, D.C. Dulles Intl (IAD)

Cheap flights to Dulles Intl Airport in May, June 2022

The best prices found for WAS flights for May, June
7 Jun - 20 Jul
SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

2 stops

42h 09m
IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

2 stops

29h 20m
S$ 1,438

American Airlines

View Deal

Deal found 5/19/22

7 Jun - 20 Jul
SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

22h 20m
IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

23h 45m
S$ 1,474

ANA

View Deal

Deal found 5/18/22

7 Jun - 20 Jul
SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

22h 20m
IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

23h 45m
S$ 1,515

United Airlines

View Deal

Deal found 5/18/22

Dulles Intl Airport 2022 flight deals

Cheap flights to Dulles Intl Airport found for this year
1 Dec - 7 Dec
SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

2 stops

34h 26m
IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

2 stops

28h 50m
S$ 1,318

Japan Airlines

View Deal

Deal found 5/18/22

5 Sep - 10 Sep
SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

25h 00m
IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

36h 15m
S$ 1,384

Turkish Airlines

View Deal

Deal found 5/18/22

22 Nov - 10 Jan
SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

2 stops

34h 26m
IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

2 stops

28h 50m
S$ 1,404

Japan Airlines

View Deal

Deal found 5/18/22

Last minute flights to Dulles Intl Airport

Late deals on return flights to Dulles Intl Airport, departing today and this week
26 May - 2 Jun
SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

2 stops

38h 45m
IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

24h 25m
S$ 2,030

Etihad Airways

View Deal

Deal found 5/18/22

26 May - 31 May
SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

23h 35m
IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

40h 00m
S$ 2,108

Emirates

View Deal

Deal found 5/18/22

27 May - 1 Jun
SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

2 stops

38h 45m
IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

24h 25m
S$ 2,202

Etihad Airways

View Deal

Deal found 5/18/22

When is the best time to book a flight to Dulles Intl?

The price you pay for your flight to Dulles Intl may vary depending on when you book. For the best chance of a lower fare, look to book 52 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Which day is cheapest to fly to Dulles Intl?

The cheapest flights to Dulles Intl are usually found when departing on a Wednesday. The departure day with the highest cost at present is Tuesday.

What time of day is cheapest to fly to IAD airport?

To get the best value, try booking a flight at midday when visiting Dulles Intl. Generally the prices will increase for flights in the afternoon as these tend to have higher demand.