Cheap Flights to Washington Dulles Intl.

View ₩98,200 flight on Tue, Dec 9, 2025Opens in a new window

Popular airlines to Washington Dulles Intl. Airport (IAD)

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How much is the cheapest flight to Washington Dulles Intl.?

Prices were available within the past 7 days and start at ₩98,200 for one-way flights and ₩250,500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Dec 14 - Wed, Dec 24
EWR
New York
IAD
Washington
₩250,500 Roundtrip, found 17 hours ago
₩250,500
Roundtrip
found 17 hours ago
Select United flight, departing Sun, Dec 14 from New York to Washington, returning Wed, Dec 24, priced at ₩250,500 found 17 hours ago
Delta
Fri, Jan 23 - Mon, Jan 26
TPA
Tampa
IAD
Washington
₩310,000 Roundtrip, found 1 day ago
₩310,000
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Jan 23 from Tampa to Washington, returning Mon, Jan 26, priced at ₩310,000 found 1 day ago
Air Canada
Mon, Nov 17 - Tue, Nov 25
YYZ
Toronto
IAD
Washington
₩370,900 Roundtrip, found 1 hour ago
₩370,900
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Mon, Nov 17 from Toronto to Washington, returning Tue, Nov 25, priced at ₩370,900 found 1 hour ago
Porter Airlines
Thu, Dec 18 - Wed, Jan 7
YTZ
Toronto
IAD
Washington
₩434,400 Roundtrip, found 5 days ago
₩434,400
Roundtrip
found 5 days ago
Select Porter Airlines flight, departing Thu, Dec 18 from Toronto to Washington, returning Wed, Jan 7, priced at ₩434,400 found 5 days ago
Hawaiian Airlines
Tue, Feb 10 - Tue, Feb 17
LAX
Los Angeles
IAD
Washington
₩456,400 Roundtrip, found 2 days ago
₩456,400
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Feb 10 from Los Angeles to Washington, returning Tue, Feb 17, priced at ₩456,400 found 2 days ago

Find the cheapest month to fly from Columbus (CMH) to Washington (IAD)

September is typically the cheapest month to fly

From ₩147,383 - ₩909,796 per traveler.

Book with confidence

Searching for cheap flights to Washington Dulles Intl.? No travel company presents more choices than Expedia if you're looking to compare flights to Washington Dulles Intl.. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Chantilly. Expedia provides the cheapest flights to many destinations in Chantilly and you may find even greater savings if you combine your flight with a hotel stay in Washington Dulles Intl..

Travel information

Destination airport
Washington Dulles Intl.
Destination airport IATA code
IAD
Destination city name
Washington
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Emirates, Ethiopian Airlines, Etihad Airways, Hawaiian Airlines, Japan Airlines, KLM, Korean Air, Lufthansa, Qatar Airways, Royal Air Maroc, Saudia, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
₩225,500
Popular airline
United

Trending flights to Washington Dulles Intl.

Prices were available within the past 7 days and start at ₩98,200 for one-way flights and ₩250,500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Sep 7 - Tue, Sep 8
ICN
Seoul
IAD
Washington
₩611,200 Roundtrip, found 4 days ago
₩611,200
Roundtrip
found 4 days ago
Select United flight, departing Mon, Sep 7 from Seoul to Washington, returning Tue, Sep 8, priced at ₩611,200 found 4 days ago

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