A vineyard with rows of grapevines, a paved road, and a hilly landscape with scattered houses.

Cheap Flights to Loudoun County from ₩662,800

View ₩662,800 flight on Mon, Feb 1, 2027Opens in a new window

Popular airlines to Loudoun County

  • Delta

  • American Airlines

  • United

  • Frontier Airlines

  • Alaska Airlines

  • Southwest Airlines

  • JetBlue Airways

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Loudoun County?

Prices were available within the past 7 days and start at ₩662,800 for one-way flights and ₩1,021,100 for 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
Air Canada
Wed, Nov 18 - Thu, Nov 26
ICN
Seoul
IAD
Washington
₩1,021,100 Roundtrip, found 1 day ago
₩1,021,100
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Nov 18 from Seoul to Washington, returning Thu, Nov 26, priced at ₩1,021,100 found 1 day ago
United
Wed, Oct 28 - Sun, Nov 1
ICN
Seoul
DCA
Washington
₩1,033,000 Roundtrip, found 5 days ago
₩1,033,000
Roundtrip
found 5 days ago
Select United flight, departing Wed, Oct 28 from Seoul to Washington, returning Sun, Nov 1, priced at ₩1,033,000 found 5 days ago
American Airlines
Thu, Oct 1 - Mon, Oct 12
ICN
Seoul
IAD
Washington
₩1,242,900 Roundtrip, found 1 hour ago
₩1,242,900
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Oct 1 from Seoul to Washington, returning Mon, Oct 12, priced at ₩1,242,900 found 1 hour ago
Alaska Airlines
Mon, Sep 21 - Sat, Sep 26
ICN
Seoul
IAD
Washington
₩1,518,200 Roundtrip, found 2 days ago
₩1,518,200
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Sep 21 from Seoul to Washington, returning Sat, Sep 26, priced at ₩1,518,200 found 2 days ago
EVA Airways
Thu, Oct 1 - Sun, Oct 11
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 Thu, Oct 1 from Seoul to Washington, returning Sun, Oct 11, priced at ₩1,631,000 found 1 hour ago
Air Premia
Wed, Sep 23 - Wed, Oct 7
ICN
Seoul
IAD
Washington
₩1,640,200 Roundtrip, found 1 hour ago
₩1,640,200
Roundtrip
found 1 hour ago
Select Air Premia flight, departing Wed, Sep 23 from Seoul to Washington, returning Wed, Oct 7, priced at ₩1,640,200 found 1 hour ago
Air China
Tue, Dec 22 - Fri, Dec 25
ICN
Seoul
IAD
Washington
₩1,670,300 Roundtrip, found 1 day ago
₩1,670,300
Roundtrip
found 1 day ago
Select Air China flight, departing Tue, Dec 22 from Seoul to Washington, returning Fri, Dec 25, priced at ₩1,670,300 found 1 day ago
Japan Airlines
Tue, Sep 8 - Tue, Sep 15
GMP
Seoul
DCA
Washington
₩1,853,200 Roundtrip, found 6 days ago
₩1,853,200
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Tue, Sep 8 from Seoul to Washington, returning Tue, Sep 15, priced at ₩1,853,200 found 6 days ago
Delta
Thu, Dec 10 - Thu, Dec 24
ICN
Seoul
IAD
Washington
₩1,858,600 Roundtrip, found 2 days ago
₩1,858,600
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Dec 10 from Seoul to Washington, returning Thu, Dec 24, priced at ₩1,858,600 found 2 days 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 ₩1,021,100. 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 ₩1,021,100 and reached a maximum cost of ₩1,858,600. For one-way trips leaving Seoul (ICN), the cheapest seat during this same period was just ₩662,800.
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 ₩1,021,100 to ₩1,858,600 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
*Available to Expedia members.