S$ 176+ Cheap flights from Washington, D.C. Dulles Intl Airport
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10-5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
What to know about flights from Dulles Intl
Discover essential information about flights departing from Dulles Intl, including flight schedules, destinations, airlines operating at the Dulles Intl airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 24 April 2025.
Good round-trip deal | S$ 8,875 or less |
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Good one-way deal | S$ 125 or less |
Find flights from Dulles Intl
Cheapest flights from Dulles IntlExplore the most affordable flight options available from Dulles Intl. Find the lowest fares based on data from user searches, with prices last updated on 24 April 2025.
Explore the most affordable flight options available from Dulles Intl. Find the lowest fares based on data from user searches, with prices last updated on 24 April 2025.
Find flights from Dulles Intl within your budget
Find flights departing from Dulles Intl that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 24 April 2025. In the last 7 days, Cheapflights users made a total of 200,618 searches
Fly to
Route
Depart
Return
Price
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Sat 24-5
22:18-23:59
Nonstop1h 41m
Boston Logan Intl
Sun 25-5
05:30-07:04
Nonstop1h 34m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Wed 7-5
09:40-14:10
1 stop4h 30m
Boston Logan Intl
Sat 10-5
05:20-12:06
1 stop6h 46m
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
Wed 17-9
22:05-08:55
2 stops29h 50m
London Heathrow
Sun 21-9
06:40-19:59
2 stops42h 19m
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
Tue 6-5
20:30-11:55
1 stop10h 25m
London Heathrow
Wed 14-5
13:05-19:20
1 stop11h 15m
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
Sun 11-5
22:15-10:40
Nonstop7h 25m
London Heathrow
Tue 20-5
08:45-16:15
1 stop12h 30m
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
Wed 7-5
18:30-06:55
Nonstop7h 25m
London Heathrow
Tue 13-5
08:45-16:15
1 stop12h 30m
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
Sun 11-5
20:30-11:25
1 stop9h 55m
London Heathrow
Tue 20-5
06:30-15:35
1 stop14h 05m
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
Sun 14-9
17:10-08:50
1 stop10h 40m
London Heathrow
Thu 25-9
08:40-15:35
1 stop11h 55m
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
Mon 8-9
20:45-21:45
1 stop20h 00m
London Heathrow
Mon 15-9
17:10-16:15
1 stop28h 05m
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
Sat 4-10
22:35-15:35
1 stop12h 00m
London Heathrow
Mon 6-10
19:50-15:20
1 stop24h 30m
Best time to book a flight from Dulles Intl
Have a flexible travel schedule? Discover the best time to fly from Dulles Intl with our price prediction graph.
Travel insights for flights from Dulles Intl
Get recent, data-driven insights about flights from Dulles Intl including ideal travel times, pricing trends, and more.
When is the best time to book a flight from Washington, D.C. Dulles Intl Airport?
Use this chart to determine the optimal time to book a return flight from Dulles Intl to Singapore. Price data was last updated on 18 April 2025.
The price you pay for your flight from Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport (average of S$ 1,053). Flying from Washington, D.C. Dulles Intl Airport in July will prove the most costly (average of S$ 1,537). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
What are popular destinations to fly to from Washington, D.C. Dulles Intl Airport?
From Washington, D.C. Dulles Intl Airport you can expect to find greater availability for the following destinations: London (364 flights per day), Detroit (336 flights per day) and Atlanta (264 flights per day).
What is the cheapest place to fly to from Washington, D.C. Dulles Intl Airport?
The cheapest city to fly to from Washington, D.C. Dulles Intl Airport is Frankfurt am Main, with prices starting at S$ 1,221. Explore other affordable destinations below.
Airline reviews for flights from Dulles Intl
Get insights into the airlines that provide service from Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Dulles Intl. In the last 7 days, Cheapflights users made a total of 200,618 searches.
Boarding
Entertainment
Comfort
Food
Overall
Crew
Reviews
Chris,Mar 2025
SEA - ICN
Boarding
Entertainment
Comfort
Food
Overall
Crew
Reviews
Chris,Mar 2025
SEA - ICN
Boarding
Entertainment
Comfort
Food
Overall
Crew
Reviews
Chris,Mar 2025
SEA - ICN
Boarding
Entertainment
Comfort
Food
Overall
Crew
Reviews
Chris,Mar 2025
SEA - ICN
Boarding
Entertainment
Comfort
Food
Overall
Crew
Reviews
Chris,Mar 2025
SEA - ICN
Boarding
Entertainment
Comfort
Food
Overall
Crew
Reviews
Chris,Mar 2025
SEA - ICN
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Alternate flight departure points to Dulles Intl
Consider leaving from one of these other departure points that are located a short distance from Dulles Intl. Flight origins were last updated on 24 April 2025.
Related info for your journey
Access useful and relevant information related to your journey from Dulles Intl. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 24 April 2025.
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