₱7,400+ Cheap flights from Washington, D.C. Dulles Intl Airport
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. 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.
Find flights from Dulles Intl within your budget
Fly to
Route
Depart
Return
Washington, D.C.Las Vegas
IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl
IADLAS
Washington, D.C. Dulles Intl
Sat 12/12
6:42 pm-9:42 am
1 stop18h 00m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
Washington, D.C.Las Vegas
IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl
IADLAS
Washington, D.C. Dulles Intl
Sat 12/12
8:35 am-10:57 am
Nonstop5h 22m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
Washington, D.C.Las Vegas
IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl
IADLAS
Washington, D.C. Dulles Intl
Mon 11/16
5:40 pm-7:58 pm
Nonstop5h 18m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
Washington, D.C.Las Vegas
IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl
IADLAS
Washington, D.C. Dulles Intl
Sun 11/8
6:32 pm-12:37 am
1 stop9h 05m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
Washington, D.C.Ontario
IAD Washington, D.C. Dulles Intl - ONT Ontario
IADONT
Washington, D.C. Dulles Intl
Wed 1/20
6:00 am-11:27 am
1 stop8h 27m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
Washington, D.C.Ontario
IAD Washington, D.C. Dulles Intl - ONT Ontario
IADONT
Washington, D.C. Dulles Intl
Sat 11/14
6:00 am-11:03 am
1 stop8h 03m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
Washington, D.C.Ontario
IAD Washington, D.C. Dulles Intl - ONT Ontario
IADONT
Washington, D.C. Dulles Intl
Fri 11/6
5:38 pm-10:48 pm
1 stop8h 10m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
Washington, D.C.Ontario
IAD Washington, D.C. Dulles Intl - ONT Ontario
IADONT
Washington, D.C. Dulles Intl
Sat 11/7
6:13 am-12:36 pm
1 stop9h 23m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
Washington, D.C.Ontario
IAD Washington, D.C. Dulles Intl - ONT Ontario
IADONT
Washington, D.C. Dulles Intl
Tue 11/3
3:04 pm-7:30 pm
1 stop7h 26m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
Washington, D.C.Ontario
IAD Washington, D.C. Dulles Intl - ONT Ontario
IADONT
Washington, D.C. Dulles Intl
Wed 1/13
7:15 am-12:30 pm
1 stop8h 15m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
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.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport?
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport (average of ₱77,200). Flying from Washington, D.C. Dulles Intl Airport in December will prove the most costly (average of ₱138,785). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
Which airlines fly from Washington, D.C. Dulles Intl Airport?
Many airlines operate round-trip flights from Washington, D.C. Dulles Intl Airport: Korean Air, United Airlines. These airlines fly to the following popular destinations: Manila.
What are popular destinations to fly to from Washington, D.C. Dulles Intl Airport?
If you’re flying from Washington, D.C. Dulles Intl Airport, these routes are more frequently taken by airlines London (378 flights per day), Chicago (344 flights per day) and Atlanta (245 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 Atlanta Hartsfield-Jackson, with prices starting at ₱8,803. Explore other affordable destinations below.
When is the best time to book a flight from Washington, D.C. Dulles Intl Airport?
The best time to book flights from Washington, D.C. Dulles Intl Airport is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Airline reviews for flights from Dulles Intl
Read reviews and ratings of airlines operating flights from Dulles Intl. Gain insights into the quality of service, in-flight amenities, customer experiences, and overall satisfaction to choose the best airline for your Dulles Intl travel. Please note that the reviews are sourced from user searches and were last updated on October 12, 2026. In the last 7 days, Cheapflights users made a total of 7,457,451 searches.
Get a feel of what it's like to fly with Korean Air and United Airlines from Washington, D.C. Dulles Intl Airport by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Entertainment
Crew
Comfort
Food
Overall
Reviews
Walter,Jul 2026
LAX - BKK
Boarding
Entertainment
Crew
Comfort
Food
Overall
Reviews
Walter,Jul 2026
LAX - BKK
Boarding
Entertainment
Crew
Comfort
Food
Overall
Reviews
Walter,Jul 2026
LAX - BKK
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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 October 12, 2026.
Fly from other United States cities
Consider departing from one of these cities also located in United States. Flight origins are based on user searches made on Cheapflights and were last updated on October 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 October 12, 2026.
Fly with Cheapflights
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How does Cheapflights help users find flights from Dulles Intl?
Deals for flights from Dulles Intl are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Dulles Intl?
Millions of users choose and trust Cheapflights to book the best flight deals from Dulles Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
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Certainly. Search results for flights from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
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