Flight to Washington County

View S$803 flight on Sun, 25 Jan, 2026Opens in a new window

Popular airlines to Washington County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Alaska 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$803 for one-way flights and S$1,126 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Fri, 6 Mar - Fri, 13 Mar
ZRH
Zürich
COU
Columbia
S$1,126 Return, found 1 day ago
S$1,126
Return
found 1 day ago
Select Lufthansa flight, departing Fri, 6 Mar from Zürich to Columbia, returning Fri, 13 Mar, priced at S$1,126 found 1 day ago
Austrian Airlines
Fri, 6 Mar - Fri, 13 Mar
ZRH
Zürich
COU
Columbia
S$1,132 Return, found 1 day ago
S$1,132
Return
found 1 day ago
Select Austrian Airlines flight, departing Fri, 6 Mar from Zürich to Columbia, returning Fri, 13 Mar, priced at S$1,132 found 1 day ago
Lufthansa
Fri, 6 Mar - Fri, 13 Mar
ZRH
Zürich
COU
Columbia
S$1,152 Return, found 1 day ago
S$1,152
Return
found 1 day ago
Select Lufthansa flight, departing Fri, 6 Mar from Zürich to Columbia, returning Fri, 13 Mar, priced at S$1,152 found 1 day ago
United
Fri, 6 Mar - Fri, 13 Mar
ZRH
Zürich
COU
Columbia
S$1,174 Return, found 1 day ago
S$1,174
Return
found 1 day ago
Select United flight, departing Fri, 6 Mar from Zürich to Columbia, returning Fri, 13 Mar, priced at S$1,174 found 1 day ago
Lufthansa
Fri, 6 Mar - Fri, 13 Mar
ZRH
Zürich
COU
Columbia
S$1,191 Return, found 1 day ago
S$1,191
Return
found 1 day ago
Select Lufthansa flight, departing Fri, 6 Mar from Zürich to Columbia, returning Fri, 13 Mar, priced at S$1,191 found 1 day ago
United
Fri, 6 Mar - Fri, 13 Mar
ZRH
Zürich
COU
Columbia
S$1,222 Return, found 1 day ago
S$1,222
Return
found 1 day ago
Select United flight, departing Fri, 6 Mar from Zürich to Columbia, returning Fri, 13 Mar, priced at S$1,222 found 1 day ago
United
Fri, 6 Mar - Fri, 13 Mar
ZRH
Zürich
COU
Columbia
S$1,244 Return, found 1 day ago
S$1,244
Return
found 1 day ago
Select United flight, departing Fri, 6 Mar from Zürich to Columbia, returning Fri, 13 Mar, priced at S$1,244 found 1 day ago
Lufthansa
Fri, 6 Mar - Fri, 13 Mar
ZRH
Zürich
COU
Columbia
S$1,267 Return, found 1 day ago
S$1,267
Return
found 1 day ago
Select Lufthansa flight, departing Fri, 6 Mar from Zürich to Columbia, returning Fri, 13 Mar, priced at S$1,267 found 1 day ago
Swiss International Air Lines
Fri, 6 Mar - Fri, 13 Mar
ZRH
Zürich
COU
Columbia
S$1,280 Return, found 1 day ago
S$1,280
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Fri, 6 Mar from Zürich to Columbia, returning Fri, 13 Mar, priced at S$1,280 found 1 day ago
American Airlines
Fri, 6 Mar - Fri, 13 Mar
ZRH
Zürich
COU
Columbia
S$1,352 Return, found 1 day ago
S$1,352
Return
found 1 day ago
Select American Airlines flight, departing Fri, 6 Mar from Zürich to Columbia, returning Fri, 13 Mar, priced at S$1,352 found 1 day ago
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.

Washington County Flights Information

Airlines serving
American Airlines, Lufthansa, Austrian Airlines, United, Swiss International Air Lines, Brussels Airlines
Roundtrip price
from S$1,126

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$1,126 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$1,126 and S$2,146 in the last seven days. For one-way trips departing from Zürich (ZRH), the lowest amount paid during this time was S$803.
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$1,126 to S$2,146 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.

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.

EVA Airways
Mon, 2 Nov - Tue, 10 Nov
SIN
Singapore
STL
St. Louis
S$1,381 Return, found 3 hours ago
S$1,381
Return
found 3 hours ago
Select EVA Airways flight, departing Mon, 2 Nov from Singapore to St. Louis, returning Tue, 10 Nov, priced at S$1,381 found 3 hours ago
*Available to Expedia members.