Skip to main content
Cheap Flights to Dulles Intl
Return
Economy
Flights to Dulles Intl in 2021
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
| Popular in | July | High demand for flights, 2% potential price rise |
| Cheapest in | May | Best time to find cheap flights, 2% potential price drop |
| Average price | S$ 1,582 | Average for round-trip flights in October 2021 |
| Round-trip from | S$ 1,098 | From Singapore Changi to Washington Dulles Intl |
| One-way from | S$ 13 | One-way flight from Singapore Changi (SIN) to Washington Dulles Intl (IAD) |
Cheap flights to Washington Dulles Intl Airport in October, November 2021
The best prices found for IAD flights for October, November
30 Nov - 4 Jan
S$ 1,098pp
SIN
Singapore Changi
Turkish Airlines
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Turkish Airlines
1 STOP
SIN
Singapore Changi
15 Nov - 29 Nov
S$ 1,151pp
SIN
Singapore Changi
ANA
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
ANA
2 STOPS
SIN
Singapore Changi
21 Nov - 25 Nov
S$ 1,174pp
SIN
Singapore Changi
Turkish Airlines
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Turkish Airlines
1 STOP
SIN
Singapore Changi
Washington Dulles Intl Airport 2021 flight deals
Cheap flights to Washington Dulles Intl Airport found for this year
30 Nov - 4 Jan
S$ 1,098pp
SIN
Singapore Changi
Turkish Airlines
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Turkish Airlines
1 STOP
SIN
Singapore Changi
17 Oct - 22 Oct
S$ 1,113pp
SIN
Singapore Changi
Turkish Airlines
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Turkish Airlines
1 STOP
SIN
Singapore Changi
15 Nov - 29 Nov
S$ 1,151pp
SIN
Singapore Changi
ANA
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
ANA
2 STOPS
SIN
Singapore Changi
Last minute flights to Washington Dulles Intl Airport
Late deals on return flights to Washington Dulles Intl Airport, departing today and this week
28 Oct - 18 Nov
S$ 3,196pp
SIN
Singapore Changi
Turkish Airlines
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Turkish Airlines
1 STOP
SIN
Singapore Changi
28 Oct - 18 Nov
S$ 3,923pp
SIN
Singapore Changi
United Airlines
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
2 STOPS
SIN
Singapore Changi
28 Oct - 18 Nov
S$ 3,933pp
SIN
Singapore Changi
United Airlines
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
2 STOPS
SIN
Singapore Changi
COVID Restrictions
View COVID Travel Restrictions for Dulles Intl
Hide COVID Travel Restrictions for Dulles Intl
Cheapest prices for Dulles Intl flights by month
The cheapest ticket to Dulles Intl found for each month in 2021 based on historical flight searches by Cheapflights users.
April
S$ 713
May
S$ 1,024
June
S$ 1,066
August
S$ 1,172
December
S$ 1,225
Currently, is the cheapest month in which you can book a flight to Washington Dulles Intl (IAD). Flying to Washington Dulles Intl (IAD) in December will prove the most costly. There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
When is the best time to fly to Dulles Intl Airport?
Average Washington flight ticket prices and weather conditions for 2021 and 2022 by month.
|
SIN - WAS Price
|
S$ 925 - S$ 1,909
|
|
WAS Temperature
|
9 - 32 °C
|
|
WAS Precipitation
|
60 - 107 mm
|
Flying to Washington Dulles Intl in May is usually considered the best time to fly. However, you will find other deals are always available year round. If weather is an important factor for you when considering when to fly to Washington Dulles Intl, the warmest period tends to be July, with the wettest being June.
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 53 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 Saturday. The departure day with the highest cost at present is Sunday.
What time of day is cheapest to fly to IAD airport?
To get the best value, try booking a flight in the afternoon when visiting Dulles Intl. Generally the prices will increase for flights in the morning as these tend to have higher demand.
Alternative, similarly priced destinations
See alternative destinations where airfare is generally forecast to be close to Dulles Intl flight prices.
Find the best prices for you!
Cheap tickets to Dulles Intl found by our users in Singapore as recently as October 18, 2021.
Singapore to Dulles Intl flights
from S$ 1,098 pp
Cheapest flights to USA
Not set on Dulles Intl? See the cheapest flights to Singapore. Airfare prices updated on October 18, 2021.
Singapore to Los Angeles flights
from S$ 925 pp
Singapore to San Francisco flights
from S$ 930 pp
Singapore to New York flights
from S$ 951 pp
Singapore to Dallas flights
from S$ 955 pp
Singapore to Las Vegas flights
from S$ 988 pp
Singapore to Seattle flights
from S$ 991 pp
Singapore to Sacramento flights
from S$ 1,010 pp
Singapore to Burbank flights
from S$ 1,019 pp
Singapore to Oakland flights
from S$ 1,029 pp
Singapore to Santa Ana flights
from S$ 1,038 pp
Singapore to Chicago flights
from S$ 1,079 pp
Singapore to Boston flights
from S$ 1,087 pp
Singapore to Denver flights
from S$ 1,092 pp
Singapore to Washington flights
from S$ 1,099 pp
Singapore to Austin flights
from S$ 1,128 pp
Singapore to Portland flights
from S$ 1,128 pp