Cheap Flights to Loudoun County from ₩739,000

View ₩739,000 flight on Tue, May 12, 2026Opens in a new window

Flight 1

Flight 2

Popular airlines to Loudoun County

  • Delta

  • American Airlines

  • Frontier Airlines

  • United

  • Alaska Airlines

  • Southwest Airlines

  • British 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 ₩739,000 for one-way flights and ₩1,523,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Wed, Jun 24 - Thu, Jul 23
GMP
Seoul
IAD
Washington
₩1,523,400 Roundtrip, found 5 days ago
₩1,523,400
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Wed, Jun 24 from Seoul to Washington, returning Thu, Jul 23, priced at ₩1,523,400 found 5 days ago
Alaska Airlines
Sat, Jun 6 - Sun, Aug 16
ICN
Seoul
IAD
Washington
₩1,673,900 Roundtrip, found 5 days ago
₩1,673,900
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Jun 6 from Seoul to Washington, returning Sun, Aug 16, priced at ₩1,673,900 found 5 days ago
Air China
Tue, Sep 29 - Tue, Oct 20
ICN
Seoul
IAD
Washington
₩1,682,400 Roundtrip, found 5 days ago
₩1,682,400
Roundtrip
found 5 days ago
Select Air China flight, departing Tue, Sep 29 from Seoul to Washington, returning Tue, Oct 20, priced at ₩1,682,400 found 5 days ago
United
Wed, Sep 2 - Sun, Sep 6
ICN
Seoul
DCA
Washington
₩1,694,600 Roundtrip, found 6 days ago
₩1,694,600
Roundtrip
found 6 days ago
Select United flight, departing Wed, Sep 2 from Seoul to Washington, returning Sun, Sep 6, priced at ₩1,694,600 found 6 days ago
EVA Airways
Mon, Sep 7 - Sun, Sep 13
ICN
Seoul
IAD
Washington
₩1,797,100 Roundtrip, found 4 days ago
₩1,797,100
Roundtrip
found 4 days ago
Select EVA Airways flight, departing Mon, Sep 7 from Seoul to Washington, returning Sun, Sep 13, priced at ₩1,797,100 found 4 days ago
Turkish Airlines
Sun, Dec 20 - Mon, Feb 8
ICN
Seoul
IAD
Washington
₩1,839,600 Roundtrip, found 8 hours ago
₩1,839,600
Roundtrip
found 8 hours ago
Select Turkish Airlines flight, departing Sun, Dec 20 from Seoul to Washington, returning Mon, Feb 8, priced at ₩1,839,600 found 8 hours ago
American Airlines
Thu, May 14 - Tue, Jun 30
ICN
Seoul
DCA
Washington
₩1,870,700 Roundtrip, found 5 days ago
₩1,870,700
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, May 14 from Seoul to Washington, returning Tue, Jun 30, priced at ₩1,870,700 found 5 days ago
Japan Airlines
Tue, Mar 9 - Tue, Mar 16
GMP
Seoul
DCA
Washington
₩1,887,900 Roundtrip, found 6 days ago
₩1,887,900
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Tue, Mar 9 from Seoul to Washington, returning Tue, Mar 16, priced at ₩1,887,900 found 6 days ago
Air Premia
Mon, Sep 7 - Sun, Sep 13
ICN
Seoul
IAD
Washington
₩1,919,900 Roundtrip, found 4 days ago
₩1,919,900
Roundtrip
found 4 days ago
Select Air Premia flight, departing Mon, Sep 7 from Seoul to Washington, returning Sun, Sep 13, priced at ₩1,919,900 found 4 days ago
Qatar Airways
Mon, Jun 1 - Fri, Jun 5
ICN
Seoul
IAD
Washington
₩2,000,800 Roundtrip, found 1 hour ago
₩2,000,800
Roundtrip
found 1 hour ago
Select Qatar Airways flight, departing Mon, Jun 1 from Seoul to Washington, returning Fri, Jun 5, priced at ₩2,000,800 found 1 hour 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.

All Nippon Airways
Wed, Jun 24 - Thu, Jul 23
GMP
Seoul
IAD
Washington
₩1,523,400 Roundtrip, found 5 days ago
₩1,523,400
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Wed, Jun 24 from Seoul to Washington, returning Thu, Jul 23, priced at ₩1,523,400 found 5 days 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 ₩1,523,400. 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 ₩1,523,400 and reached a maximum cost of ₩2,000,800. For one-way trips leaving Seoul (ICN), the cheapest seat during this same period was just ₩739,000.
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 ₩1,523,400 to ₩2,000,800 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

Explore a world of travel with Expedia

*Available to Expedia members.