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Cheap Flights to Loudoun County from ₩269,900

View ₩269,900 flight on Sat, Sep 5, 2026Opens in a new window

Popular airlines to Loudoun County

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  • American Airlines

  • United

  • Frontier Airlines

  • Alaska Airlines

  • Southwest Airlines

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How much is the cheapest flight to Loudoun County?

Prices were available within the past 7 days and start at ₩269,900 for one-way flights and ₩539,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Nov 14 - Tue, Nov 17
SFO
San Francisco
IAD
Washington
₩539,700 Roundtrip, found 2 days ago
₩539,700
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Nov 14 from San Francisco to Washington, returning Tue, Nov 17, priced at ₩539,700 found 2 days ago
Alaska Airlines
Tue, Aug 25 - Sat, Sep 5
SFO
San Francisco
DCA
Washington
₩649,200 Roundtrip, found 1 day ago
₩649,200
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Aug 25 from San Francisco to Washington, returning Sat, Sep 5, priced at ₩649,200 found 1 day ago
American Airlines
Thu, Sep 10 - Sat, Sep 12
SFO
San Francisco
DCA
Washington
₩720,000 Roundtrip, found 1 day ago
₩720,000
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Sep 10 from San Francisco to Washington, returning Sat, Sep 12, priced at ₩720,000 found 1 day ago
United
Thu, Sep 10 - Sat, Sep 12
SFO
San Francisco
DCA
Washington
₩818,600 Roundtrip, found 1 day ago
₩818,600
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 10 from San Francisco to Washington, returning Sat, Sep 12, priced at ₩818,600 found 1 day ago
Air Canada
Tue, Sep 8 - Mon, Sep 21
ICN
Seoul
DCA
Washington
₩1,021,100 Roundtrip, found 1 day ago
₩1,021,100
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Sep 8 from Seoul to Washington, returning Mon, Sep 21, priced at ₩1,021,100 found 1 day ago
Air Canada
Mon, Nov 16 - Mon, Nov 23
ICN
Seoul
IAD
Washington
₩1,039,600 Roundtrip, found 1 day ago
₩1,039,600
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Nov 16 from Seoul to Washington, returning Mon, Nov 23, priced at ₩1,039,600 found 1 day ago
EVA Airways
Sat, Oct 24 - Tue, Oct 27
ICN
Seoul
IAD
Washington
₩1,631,000 Roundtrip, found 1 hour ago
₩1,631,000
Roundtrip
found 1 hour ago
Select EVA Airways flight, departing Sat, Oct 24 from Seoul to Washington, returning Tue, Oct 27, priced at ₩1,631,000 found 1 hour ago
Air Premia
Fri, Nov 27 - Fri, Nov 27
ICN
Seoul
IAD
Washington
₩1,640,200 Roundtrip, found 2 hours ago
₩1,640,200
Roundtrip
found 2 hours ago
Select Air Premia flight, departing Fri, Nov 27 from Seoul to Washington, returning Fri, Nov 27, priced at ₩1,640,200 found 2 hours ago
Air China
Tue, Nov 24 - Fri, Dec 4
ICN
Seoul
IAD
Washington
₩1,669,600 Roundtrip, found 7 hours ago
₩1,669,600
Roundtrip
found 7 hours ago
Select Air China flight, departing Tue, Nov 24 from Seoul to Washington, returning Fri, Dec 4, priced at ₩1,669,600 found 7 hours ago
Turkish Airlines
Fri, Nov 27 - Sat, Nov 28
ICN
Seoul
IAD
Washington
₩1,787,400 Roundtrip, found 7 hours ago
₩1,787,400
Roundtrip
found 7 hours ago
Select Turkish Airlines flight, departing Fri, Nov 27 from Seoul to Washington, returning Sat, Nov 28, priced at ₩1,787,400 found 7 hours ago

Trending flights to Loudoun County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, Sep 8 - Mon, Sep 21
ICN
Seoul
DCA
Washington
₩1,021,100 Roundtrip, found 1 day ago
₩1,021,100
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Sep 8 from Seoul to Washington, returning Mon, Sep 21, priced at ₩1,021,100 found 1 day ago

Frequently asked questions

How do I find cheap flights to Loudoun County that have flexible change policies?
At Expedia, we've been channeling our inner contortionist to offer you the most flexible fares around. Just tick the "No change fee" box right under the filter heading "Flexible change policies" to find your perfect flight to Loudoun County.
Which airlines fly to Loudoun County?
With a good range of airlines flying to destinations in or near Loudoun County, exploring this region is easy. Jet off with one of these quality carriers:

  • American Airlines - 7,501 flights to or near Loudoun County each month, including 7,284 flights to Ronald Reagan Washington National Airport (DCA) and 216 flights to Washington Dulles Intl. Airport (IAD) per month.
  • United Airlines - 5,939 flights to or near Loudoun County each month, including 5,146 flights to Washington Dulles Intl. Airport (IAD) and 793 flights to Ronald Reagan Washington National Airport (DCA) per month.
  • Delta Air Lines - 2,036 flights to or near Loudoun County each month, including 1,516 flights to Ronald Reagan Washington National Airport (DCA) and 520 flights to Washington Dulles Intl. Airport (IAD) per month.

How can I find cheap tickets to Loudoun County?
One of the best ways to find cheap tickets to Loudoun County is to be flexible with your travel dates. Search for your flights, then click "flexible dates" above the results. It will bring up the cheapest prices for nearby days. The lowest price for a flight to Loudoun County in the last seven days was ₩539,700. Booking well ahead of time will usually help you walk away with an even bigger bargain.
How much is a flight to Loudoun County?
In the last seven days, return tickets to Loudoun County sold for as little as ₩539,700 and reached a maximum cost of ₩1,787,400. For one-way trips leaving San Francisco (SFO), the cheapest seat during this same period was just ₩269,900.
What are the most popular airports to fly into in Loudoun County?
Pack your bags and glide into one of these top Loudoun County airports:

  • Ronald Reagan Washington National Airport (DCA) - 11,555 flights per month.
  • Washington Dulles Intl. Airport (IAD) - 6,533 flights per month.

When is the cheapest time to fly to Loudoun County?
If you're not fixed on your travel dates to Loudoun County, depart earlier in the week. The most economical day to take off is normally Tuesday, followed closely by Monday. Saturday is typically the costliest day, with lots of vacationers preferring to fly on weekends.
How much is a plane ticket to Loudoun County?
Seats ranged from just ₩539,700 to ₩1,787,400 in the last seven days. When you're ready to book, we're here to help you land an amazing deal to Loudoun County.
What months are the cheapest to book a flight to Loudoun County?
February is the best month to book a seat for your Loudoun County getaway. Airfares are at a premium throughout December, so avoid this time if you can.

Book with confidence

About Loudoun County

Expedia offers flights to Loudoun County to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Loudoun County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Loudoun County
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