Cheap Flights to Washington County from NT$24,736

View NT$24,736 flight on Sat, 2026/8/8Opens in a new window

Popular airlines to Washington County

  • American Airlines

  • Delta

  • United

  • Alaska Airlines

  • Frontier Airlines

  • Southwest Airlines

  • Air Canada

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How much is the cheapest flight to Washington County?

Prices were available within the past 7 days and start at NT$24,736 for one-way flights and NT$38,017 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Aug 8 - Wed, Aug 12
AMS
Amsterdam
STL
St. Louis
NT$38,017 Roundtrip, just found
NT$38,017
Roundtrip
just found
Select American Airlines flight, departing Sat, Aug 8 from Amsterdam to St. Louis, returning Wed, Aug 12, priced at NT$38,017 just found
American Airlines
Sat, Aug 8 - Wed, Aug 12
AMS
Amsterdam
STL
St. Louis
NT$38,284 Roundtrip, just found
NT$38,284
Roundtrip
just found
Select American Airlines flight, departing Sat, Aug 8 from Amsterdam to St. Louis, returning Wed, Aug 12, priced at NT$38,284 just found
American Airlines
Sat, Aug 8 - Wed, Aug 12
AMS
Amsterdam
STL
St. Louis
NT$39,159 Roundtrip, just found
NT$39,159
Roundtrip
just found
Select American Airlines flight, departing Sat, Aug 8 from Amsterdam to St. Louis, returning Wed, Aug 12, priced at NT$39,159 just found
American Airlines
Sat, Aug 8 - Wed, Aug 12
AMS
Amsterdam
STL
St. Louis
NT$39,737 Roundtrip, just found
NT$39,737
Roundtrip
just found
Select American Airlines flight, departing Sat, Aug 8 from Amsterdam to St. Louis, returning Wed, Aug 12, priced at NT$39,737 just found
American Airlines
Sat, Aug 8 - Wed, Aug 12
AMS
Amsterdam
STL
St. Louis
NT$40,004 Roundtrip, just found
NT$40,004
Roundtrip
just found
Select American Airlines flight, departing Sat, Aug 8 from Amsterdam to St. Louis, returning Wed, Aug 12, priced at NT$40,004 just found
American Airlines
Sat, Aug 8 - Wed, Aug 12
AMS
Amsterdam
STL
St. Louis
NT$40,040 Roundtrip, just found
NT$40,040
Roundtrip
just found
Select American Airlines flight, departing Sat, Aug 8 from Amsterdam to St. Louis, returning Wed, Aug 12, priced at NT$40,040 just found
Air Canada
Sat, Aug 8 - Sat, Aug 15
AMS
Amsterdam
STL
St. Louis
NT$40,106 Roundtrip, found 3 hours ago
NT$40,106
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Sat, Aug 8 from Amsterdam to St. Louis, returning Sat, Aug 15, priced at NT$40,106 found 3 hours ago
United
Sat, Aug 8 - Wed, Aug 12
AMS
Amsterdam
STL
St. Louis
NT$40,396 Roundtrip, just found
NT$40,396
Roundtrip
just found
Select United flight, departing Sat, Aug 8 from Amsterdam to St. Louis, returning Wed, Aug 12, priced at NT$40,396 just found
Lufthansa
Sat, Aug 8 - Wed, Aug 12
AMS
Amsterdam
STL
St. Louis
NT$40,653 Roundtrip, just found
NT$40,653
Roundtrip
just found
Select Lufthansa flight, departing Sat, Aug 8 from Amsterdam to St. Louis, returning Wed, Aug 12, priced at NT$40,653 just found
Delta
Sat, Aug 8 - Wed, Aug 12
AMS
Amsterdam
STL
St. Louis
NT$40,981 Roundtrip, just found
NT$40,981
Roundtrip
just found
Select Delta flight, departing Sat, Aug 8 from Amsterdam to St. Louis, returning Wed, Aug 12, priced at NT$40,981 just found

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. NT$38,017 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 NT$38,017 and NT$59,673 in the last seven days. For one-way trips departing from Amsterdam (AMS), the lowest amount paid during this time was NT$24,736.
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 NT$38,017 to NT$59,673 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 65ºF to 85ºF across this season, so organize 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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