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Flight to Washington County

View S$792 flight on Mon, 19 Oct, 2026Opens in a new window

Flight 1

Flight 2

Popular airlines to Washington County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

  • Frontier Airlines

  • Air Canada

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at S$792 for one-way flights and S$1,378 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 19 Oct - Thu, 29 Oct
PVG
Shanghai
STL
St. Louis
S$1,378 Return, found 7 hours ago
S$1,378
Return
found 7 hours ago
Select United flight, departing Mon, 19 Oct from Shanghai to St. Louis, returning Thu, 29 Oct, priced at S$1,378 found 7 hours ago
Delta
Mon, 19 Oct - Thu, 29 Oct
PVG
Shanghai
STL
St. Louis
S$1,443 Return, found 7 hours ago
S$1,443
Return
found 7 hours ago
Select Delta flight, departing Mon, 19 Oct from Shanghai to St. Louis, returning Thu, 29 Oct, priced at S$1,443 found 7 hours ago
United
Mon, 19 Oct - Thu, 29 Oct
PVG
Shanghai
STL
St. Louis
S$1,686 Return, found 7 hours ago
S$1,686
Return
found 7 hours ago
Select United flight, departing Mon, 19 Oct from Shanghai to St. Louis, returning Thu, 29 Oct, priced at S$1,686 found 7 hours ago
EVA Airways
Mon, 19 Oct - Thu, 29 Oct
PVG
Shanghai
STL
St. Louis
S$1,701 Return, found 7 hours ago
S$1,701
Return
found 7 hours ago
Select EVA Airways flight, departing Mon, 19 Oct from Shanghai to St. Louis, returning Thu, 29 Oct, priced at S$1,701 found 7 hours ago
Delta
Mon, 19 Oct - Thu, 29 Oct
PVG
Shanghai
STL
St. Louis
S$1,751 Return, found 7 hours ago
S$1,751
Return
found 7 hours ago
Select Delta flight, departing Mon, 19 Oct from Shanghai to St. Louis, returning Thu, 29 Oct, priced at S$1,751 found 7 hours ago
Delta
Mon, 19 Oct - Thu, 29 Oct
PVG
Shanghai
STL
St. Louis
S$1,758 Return, found 7 hours ago
S$1,758
Return
found 7 hours ago
Select Delta flight, departing Mon, 19 Oct from Shanghai to St. Louis, returning Thu, 29 Oct, priced at S$1,758 found 7 hours ago
All Nippon Airways
Mon, 19 Oct - Thu, 29 Oct
PVG
Shanghai
STL
St. Louis
S$1,770 Return, found 7 hours ago
S$1,770
Return
found 7 hours ago
Select All Nippon Airways flight, departing Mon, 19 Oct from Shanghai to St. Louis, returning Thu, 29 Oct, priced at S$1,770 found 7 hours ago
Lufthansa
Mon, 19 Oct - Thu, 29 Oct
PVG
Shanghai
STL
St. Louis
S$2,014 Return, found 7 hours ago
S$2,014
Return
found 7 hours ago
Select Lufthansa flight, departing Mon, 19 Oct from Shanghai to St. Louis, returning Thu, 29 Oct, priced at S$2,014 found 7 hours ago
Japan Airlines
Mon, 19 Oct - Thu, 29 Oct
PVG
Shanghai
STL
St. Louis
S$2,128 Return, found 7 hours ago
S$2,128
Return
found 7 hours ago
Select Japan Airlines flight, departing Mon, 19 Oct from Shanghai to St. Louis, returning Thu, 29 Oct, priced at S$2,128 found 7 hours ago
American Airlines
Thu, 24 Sept - Tue, 6 Oct
PVG
Shanghai
COU
Columbia
S$2,156 Return, found 1 day ago
S$2,156
Return
found 1 day ago
Select American Airlines flight, departing Thu, 24 Sept from Shanghai to Columbia, returning Tue, 6 Oct, priced at S$2,156 found 1 day ago

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.

Qatar Airways
Wed, 7 Oct - Tue, 17 Nov
SIN
Singapore
STL
St. Louis
S$1,529 Return, found 4 hours ago
S$1,529
Return
found 4 hours ago
Select Qatar Airways flight, departing Wed, 7 Oct from Singapore to St. Louis, returning Tue, 17 Nov, priced at S$1,529 found 4 hours 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. S$1,378 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 S$1,378 and S$2,156 in the last seven days. For one-way trips departing from Shanghai (PVG), the lowest amount paid during this time was S$792.
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.
When is the cheapest time to fly to Washington County?
Fly out on a Tuesday to raise your chances of landing the cheapest flight to Washington County. Mondays are usually the next most affordable day to depart. Saturday is typically the costliest day to fly anywhere.
How much is a plane ticket to Washington County?
Fares to Washington County varied from S$1,378 to S$2,156 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

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

Travel information

Washington County Flights Information

Airlines serving
United, Delta, All Nippon Airways, Cathay Pacific, American Airlines, Japan Airlines, EVA Airways, Lufthansa
Roundtrip price
from S$1,378
Washington County Flights Information
*Available to Expedia members.