Flight to Washington County

View S$123 flight on Tue, 19 May, 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$123 for one-way flights and S$350 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 25 Jun - Mon, 29 Jun
ORD
Chicago
COU
Columbia
S$350 Return, found 1 day ago
S$350
Return
found 1 day ago
Select United flight, departing Thu, 25 Jun from Chicago to Columbia, returning Mon, 29 Jun, priced at S$350 found 1 day ago
United
Thu, 25 Jun - Mon, 29 Jun
ORD
Chicago
COU
Columbia
S$387 Return, found 1 day ago
S$387
Return
found 1 day ago
Select United flight, departing Thu, 25 Jun from Chicago to Columbia, returning Mon, 29 Jun, priced at S$387 found 1 day ago
United
Thu, 25 Jun - Mon, 29 Jun
ORD
Chicago
COU
Columbia
S$406 Return, found 1 day ago
S$406
Return
found 1 day ago
Select United flight, departing Thu, 25 Jun from Chicago to Columbia, returning Mon, 29 Jun, priced at S$406 found 1 day ago
United
Thu, 25 Jun - Mon, 29 Jun
ORD
Chicago
COU
Columbia
S$420 Return, found 1 day ago
S$420
Return
found 1 day ago
Select United flight, departing Thu, 25 Jun from Chicago to Columbia, returning Mon, 29 Jun, priced at S$420 found 1 day ago
American Airlines
Thu, 25 Jun - Mon, 29 Jun
ORD
Chicago
COU
Columbia
S$433 Return, found 1 day ago
S$433
Return
found 1 day ago
Select American Airlines flight, departing Thu, 25 Jun from Chicago to Columbia, returning Mon, 29 Jun, priced at S$433 found 1 day ago
United
Thu, 25 Jun - Mon, 29 Jun
ORD
Chicago
COU
Columbia
S$443 Return, found 1 day ago
S$443
Return
found 1 day ago
Select United flight, departing Thu, 25 Jun from Chicago to Columbia, returning Mon, 29 Jun, priced at S$443 found 1 day ago
United
Thu, 25 Jun - Mon, 29 Jun
ORD
Chicago
COU
Columbia
S$444 Return, found 1 day ago
S$444
Return
found 1 day ago
Select United flight, departing Thu, 25 Jun from Chicago to Columbia, returning Mon, 29 Jun, priced at S$444 found 1 day ago
United
Thu, 25 Jun - Mon, 29 Jun
ORD
Chicago
COU
Columbia
S$456 Return, found 1 day ago
S$456
Return
found 1 day ago
Select United flight, departing Thu, 25 Jun from Chicago to Columbia, returning Mon, 29 Jun, priced at S$456 found 1 day ago
United
Thu, 25 Jun - Mon, 29 Jun
ORD
Chicago
COU
Columbia
S$458 Return, found 1 day ago
S$458
Return
found 1 day ago
Select United flight, departing Thu, 25 Jun from Chicago to Columbia, returning Mon, 29 Jun, priced at S$458 found 1 day ago
United
Thu, 25 Jun - Mon, 29 Jun
ORD
Chicago
COU
Columbia
S$476 Return, found 1 day ago
S$476
Return
found 1 day ago
Select United flight, departing Thu, 25 Jun from Chicago to Columbia, returning Mon, 29 Jun, priced at S$476 found 1 day ago

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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
Wed, 11 Mar - Wed, 15 Jul
SIN
Singapore
STL
St. Louis
S$1,416 Return, found 5 days ago
S$1,416
Return
found 5 days ago
Select EVA Airways flight, departing Wed, 11 Mar from Singapore to St. Louis, returning Wed, 15 Jul, priced at S$1,416 found 5 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. S$350 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$350 and S$1,416 in the last seven days. For one-way trips departing from Chicago (ORD), the lowest amount paid during this time was S$123.
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$350 to S$1,416 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
Delta, United, American Airlines
Roundtrip price
from S$350
Washington County Flights Information

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