Washington County Flights - Book Cheap Flights to Washington County

View RM902 flight on Wed, 29 Jul 2026Opens in a new window

Popular airlines to Washington County

  • American Airlines

  • Delta

  • United

  • Alaska Airlines

  • Southwest Airlines

  • Frontier Airlines

  • Air Canada

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% 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 Washington County

Prices were available within the past 7 days and start at RM902 for one-way flights and RM2,531 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, 16 Aug - Fri, 21 Aug
YVR
Vancouver
STL
St. Louis
RM2,531 Return, found 1 day ago
RM2,531
Return
found 1 day ago
Select American Airlines flight, departing Sun, 16 Aug from Vancouver to St. Louis, returning Fri, 21 Aug, priced at RM2,531 found 1 day ago
United
Sun, 16 Aug - Fri, 21 Aug
YVR
Vancouver
STL
St. Louis
RM2,670 Return, found 1 day ago
RM2,670
Return
found 1 day ago
Select United flight, departing Sun, 16 Aug from Vancouver to St. Louis, returning Fri, 21 Aug, priced at RM2,670 found 1 day ago
American Airlines
Sun, 16 Aug - Fri, 21 Aug
YVR
Vancouver
STL
St. Louis
RM2,713 Return, found 1 day ago
RM2,713
Return
found 1 day ago
Select American Airlines flight, departing Sun, 16 Aug from Vancouver to St. Louis, returning Fri, 21 Aug, priced at RM2,713 found 1 day ago
United
Sun, 16 Aug - Fri, 21 Aug
YVR
Vancouver
STL
St. Louis
RM2,727 Return, found 1 day ago
RM2,727
Return
found 1 day ago
Select United flight, departing Sun, 16 Aug from Vancouver to St. Louis, returning Fri, 21 Aug, priced at RM2,727 found 1 day ago
United
Sun, 16 Aug - Fri, 21 Aug
YVR
Vancouver
STL
St. Louis
RM2,819 Return, found 1 day ago
RM2,819
Return
found 1 day ago
Select United flight, departing Sun, 16 Aug from Vancouver to St. Louis, returning Fri, 21 Aug, priced at RM2,819 found 1 day ago
United
Sun, 16 Aug - Fri, 21 Aug
YVR
Vancouver
STL
St. Louis
RM2,913 Return, found 1 day ago
RM2,913
Return
found 1 day ago
Select United flight, departing Sun, 16 Aug from Vancouver to St. Louis, returning Fri, 21 Aug, priced at RM2,913 found 1 day ago
United
Sun, 16 Aug - Fri, 21 Aug
YVR
Vancouver
STL
St. Louis
RM2,932 Return, found 1 day ago
RM2,932
Return
found 1 day ago
Select United flight, departing Sun, 16 Aug from Vancouver to St. Louis, returning Fri, 21 Aug, priced at RM2,932 found 1 day ago
American Airlines
Sun, 16 Aug - Fri, 21 Aug
YVR
Vancouver
STL
St. Louis
RM3,002 Return, found 1 day ago
RM3,002
Return
found 1 day ago
Select American Airlines flight, departing Sun, 16 Aug from Vancouver to St. Louis, returning Fri, 21 Aug, priced at RM3,002 found 1 day ago
Air Canada
Sun, 16 Aug - Fri, 21 Aug
YVR
Vancouver
STL
St. Louis
RM3,162 Return, found 1 day ago
RM3,162
Return
found 1 day ago
Select Air Canada flight, departing Sun, 16 Aug from Vancouver to St. Louis, returning Fri, 21 Aug, priced at RM3,162 found 1 day ago
Delta
Sun, 16 Aug - Fri, 21 Aug
YVR
Vancouver
STL
St. Louis
RM3,473 Return, found 1 day ago
RM3,473
Return
found 1 day ago
Select Delta flight, departing Sun, 16 Aug from Vancouver to St. Louis, returning Fri, 21 Aug, priced at RM3,473 found 1 day ago
Book with confidence

About Washington County

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

Trending flights to Washington 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.

Cathay Pacific
Sat, 29 Aug - Sat, 14 Nov
KUL
Kuala Lumpur
STL
St. Louis
RM6,141 Return, found 2 days ago
RM6,141
Return
found 2 days ago
Select Cathay Pacific flight, departing Sat, 29 Aug from Kuala Lumpur to St. Louis, returning Sat, 14 Nov, priced at RM6,141 found 2 days ago

Frequently asked questions

How do I find cheap flights to Washington County that have flexible change policies?
At Expedia, we've been channeling our inner yogi to provide you with the most flexible airfares on the market. Just check the "No change fee" box right under the filter heading "Flexible change policies" to find your dream flight to Washington County.
Which airlines fly to Washington County?
With a great range of airlines operating flights into or near Washington County, you're not short on choice:

  • Southwest Airlines - 2,214 flights to or near Washington County each month, including 2,214 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • American Airlines - 789 flights to or near Washington County each month, including 789 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • Delta Air Lines - 650 flights to or near Washington County each month, including 650 flights to Lambert-St. Louis Intl. Airport (STL) per month.

How can I find cheap tickets to Washington County?
You'll always nab an amazing deal with Expedia, but our "flexible dates" feature makes it that much easier. Enter your preferred travel date, then click on the flexible dates box above to compare prices for nearby days. RM2,531 was the best price for a flight to Washington County in the last seven days.
How much is a flight to Washington County?
You could have scored a return ticket to Washington County from anywhere between RM2,531 and RM6,141 in the last seven days. For one-way trips departing from Vancouver (YVR), the lowest amount paid during this time was RM902.
What are the most popular airports to fly into in Washington County?
Book your flight to Lambert-St. Louis Intl. Airport (STL) and sample the best that Washington County has to offer. As the region's primary entry point, approximately 4,902 flights touch down here every month.
How much is a plane ticket to Washington County?
Fares to Washington County varied from RM2,531 to RM6,141 in the last seven days. Generally, the sooner you make a reservation, the better the deal.
What is the best time to go to Washington County?
July, August and September are the most popular months to venture to Sullivan, one of Washington County's most interesting cities. Summertime here starts June 20. Average temperatures vary from 18ºC to 29ºC across this season, so organise your travels around then if you're into warmer weather.
What months are the cheapest to book a flight to Washington County?
February is the ideal month to bag an awesome deal to Washington County. Keep in mind that the most expensive time to make a booking in the States isn't during the height of summer, but the month of December.

Book with confidence

About Washington County

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