Washington County Flights - Book Cheap Flights to Washington County

Popular airlines to Washington County

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Alaska Airlines

    Alaska Airlines

  • Spirit Airlines

    Spirit Airlines

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at RM548 for one-way flights and RM2,240 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 15 Aug - Tue, 19 Aug
SEA
Seattle
STL
St. Louis
RM2,240 Return, found 23 hours ago
RM2,240
Return
found 23 hours ago
Select Delta flight, departing Fri, 15 Aug from Seattle to St. Louis, returning Tue, 19 Aug, priced at RM2,240 found 23 hours ago
Delta
Fri, 15 Aug - Tue, 19 Aug
SEA
Seattle
STL
St. Louis
RM2,412 Return, found 23 hours ago
RM2,412
Return
found 23 hours ago
Select Delta flight, departing Fri, 15 Aug from Seattle to St. Louis, returning Tue, 19 Aug, priced at RM2,412 found 23 hours ago
Delta
Fri, 15 Aug - Tue, 19 Aug
SEA
Seattle
STL
St. Louis
RM2,453 Return, found 23 hours ago
RM2,453
Return
found 23 hours ago
Select Delta flight, departing Fri, 15 Aug from Seattle to St. Louis, returning Tue, 19 Aug, priced at RM2,453 found 23 hours ago
United
Fri, 15 Aug - Tue, 19 Aug
SEA
Seattle
STL
St. Louis
RM2,602 Return, found 23 hours ago
RM2,602
Return
found 23 hours ago
Select United flight, departing Fri, 15 Aug from Seattle to St. Louis, returning Tue, 19 Aug, priced at RM2,602 found 23 hours ago
American Airlines
Fri, 15 Aug - Tue, 19 Aug
SEA
Seattle
STL
St. Louis
RM2,603 Return, found 23 hours ago
RM2,603
Return
found 23 hours ago
Select American Airlines flight, departing Fri, 15 Aug from Seattle to St. Louis, returning Tue, 19 Aug, priced at RM2,603 found 23 hours ago
American Airlines
Fri, 15 Aug - Tue, 19 Aug
SEA
Seattle
STL
St. Louis
RM2,621 Return, found 23 hours ago
RM2,621
Return
found 23 hours ago
Select American Airlines flight, departing Fri, 15 Aug from Seattle to St. Louis, returning Tue, 19 Aug, priced at RM2,621 found 23 hours ago
United
Fri, 15 Aug - Tue, 19 Aug
SEA
Seattle
STL
St. Louis
RM2,622 Return, found 23 hours ago
RM2,622
Return
found 23 hours ago
Select United flight, departing Fri, 15 Aug from Seattle to St. Louis, returning Tue, 19 Aug, priced at RM2,622 found 23 hours ago
American Airlines
Fri, 15 Aug - Tue, 19 Aug
SEA
Seattle
STL
St. Louis
RM2,644 Return, found 23 hours ago
RM2,644
Return
found 23 hours ago
Select American Airlines flight, departing Fri, 15 Aug from Seattle to St. Louis, returning Tue, 19 Aug, priced at RM2,644 found 23 hours ago
Delta
Fri, 15 Aug - Tue, 19 Aug
SEA
Seattle
STL
St. Louis
RM2,664 Return, found 23 hours ago
RM2,664
Return
found 23 hours ago
Select Delta flight, departing Fri, 15 Aug from Seattle to St. Louis, returning Tue, 19 Aug, priced at RM2,664 found 23 hours ago
United
Fri, 15 Aug - Tue, 19 Aug
SEA
Seattle
STL
St. Louis
RM2,706 Return, found 23 hours ago
RM2,706
Return
found 23 hours ago
Select United flight, departing Fri, 15 Aug from Seattle to St. Louis, returning Tue, 19 Aug, priced at RM2,706 found 23 hours ago

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.

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. RM2,240 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 RM2,240 and RM2,706 in the last seven days. For one-way trips departing from Seattle (SEA), the lowest amount paid during this time was RM548.
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 RM2,240 to RM2,706 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.
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