Flight to Loudoun County

View S$486 flight on Wed, 29 Apr, 2026Opens in a new window

Popular airlines to Loudoun County

  • Delta

  • American Airlines

  • United

  • Frontier Airlines

  • Alaska Airlines

  • Southwest Airlines

  • Spirit Airlines

  • 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

Cheap round-trip flights to Loudoun County

Prices were available within the past 7 days and start at S$486 for one-way flights and S$781 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Mon, 11 May - Thu, 14 May
ZRH
Zürich
IAD
Washington
S$781 Return, found 1 day ago
S$781
Return
found 1 day ago
Select Icelandair flight, departing Mon, 11 May from Zürich to Washington, returning Thu, 14 May, priced at S$781 found 1 day ago
United
Thu, 2 Jul - Sun, 5 Jul
ZRH
Zürich
IAD
Washington
S$792 Return, found 16 hours ago
S$792
Return
found 16 hours ago
Select United flight, departing Thu, 2 Jul from Zürich to Washington, returning Sun, 5 Jul, priced at S$792 found 16 hours ago
American Airlines
Thu, 22 Oct - Tue, 27 Oct
ZRH
Zürich
IAD
Washington
S$797 Return, found 6 days ago
S$797
Return
found 6 days ago
Select American Airlines flight, departing Thu, 22 Oct from Zürich to Washington, returning Tue, 27 Oct, priced at S$797 found 6 days ago
Lufthansa
Sat, 5 Sept - Wed, 9 Sept
ZRH
Zürich
DCA
Washington
S$800 Return, found 3 days ago
S$800
Return
found 3 days ago
Select Lufthansa flight, departing Sat, 5 Sept from Zürich to Washington, returning Wed, 9 Sept, priced at S$800 found 3 days ago
Lufthansa
Thu, 2 Jul - Sun, 5 Jul
ZRH
Zürich
IAD
Washington
S$800 Return, found 16 hours ago
S$800
Return
found 16 hours ago
Select Lufthansa flight, departing Thu, 2 Jul from Zürich to Washington, returning Sun, 5 Jul, priced at S$800 found 16 hours ago
Swiss International Air Lines
Thu, 2 Jul - Sun, 5 Jul
ZRH
Zürich
IAD
Washington
S$809 Return, found 16 hours ago
S$809
Return
found 16 hours ago
Select Swiss International Air Lines flight, departing Thu, 2 Jul from Zürich to Washington, returning Sun, 5 Jul, priced at S$809 found 16 hours ago
Air Canada
Thu, 22 Oct - Tue, 27 Oct
ZRH
Zürich
IAD
Washington
S$819 Return, found 6 days ago
S$819
Return
found 6 days ago
Select Air Canada flight, departing Thu, 22 Oct from Zürich to Washington, returning Tue, 27 Oct, priced at S$819 found 6 days ago
Delta
Thu, 22 Oct - Tue, 27 Oct
ZRH
Zürich
IAD
Washington
S$822 Return, found 6 days ago
S$822
Return
found 6 days ago
Select Delta flight, departing Thu, 22 Oct from Zürich to Washington, returning Tue, 27 Oct, priced at S$822 found 6 days ago
Austrian Airlines
Sat, 5 Sept - Wed, 9 Sept
ZRH
Zürich
IAD
Washington
S$836 Return, found 6 days ago
S$836
Return
found 6 days ago
Select Austrian Airlines flight, departing Sat, 5 Sept from Zürich to Washington, returning Wed, 9 Sept, priced at S$836 found 6 days ago
Brussels Airlines
Sat, 5 Sept - Wed, 9 Sept
ZRH
Zürich
IAD
Washington
S$842 Return, found 6 days ago
S$842
Return
found 6 days ago
Select Brussels Airlines flight, departing Sat, 5 Sept from Zürich to Washington, returning Wed, 9 Sept, priced at S$842 found 6 days ago

The Annual Holiday Sale

Members save up to 40% on hotels. Plan this year’s big trip and save.
Book now

Trending flights to Loudoun County

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

Air China
Fri, 18 Sept - Tue, 22 Sept
SIN
Singapore
IAD
Washington
S$1,054 Return, found 2 days ago
S$1,054
Return
found 2 days ago
Select Air China flight, departing Fri, 18 Sept from Singapore to Washington, returning Tue, 22 Sept, priced at S$1,054 found 2 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 S$781. 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 S$781 and reached a maximum cost of S$1,054. For one-way trips leaving Zürich (ZRH), the cheapest seat during this same period was just S$486.
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 holiday makers preferring to fly on weekends.
How much is a plane ticket to Loudoun County?
Seats ranged from just S$781 to S$1,054 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

Expedia offers flights to Loudoun County to meet every traveller'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.

Travel information

Loudoun County Flights Information

Airlines serving
American Airlines, British Airways, Air China, Icelandair, United, Lufthansa, Swiss International Air Lines, Air Canada, Delta, Austrian Airlines, Brussels Airlines, Royal Air Maroc, STARLUX Airlines, Turkish Airlines
Roundtrip price
from S$781
Loudoun County Flights Information

Explore a world of travel with Expedia

*Available to Expedia members.