Flight to Washington County

View S$850 flight on Wed, 17 Jun, 2026Opens in a new window

Popular airlines to Washington County

  • American Airlines

  • United

  • Delta

  • 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$850 for one-way flights and S$1,112 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 17 Jun - Sat, 20 Jun
HYS
Hays
COU
Columbia
S$1,112 Return, found 5 days ago
S$1,112
Return
found 5 days ago
Select United flight, departing Wed, 17 Jun from Hays to Columbia, returning Sat, 20 Jun, priced at S$1,112 found 5 days ago
United
Wed, 17 Jun - Sat, 20 Jun
HYS
Hays
COU
Columbia
S$1,208 Return, found 5 days ago
S$1,208
Return
found 5 days ago
Select United flight, departing Wed, 17 Jun from Hays to Columbia, returning Sat, 20 Jun, priced at S$1,208 found 5 days ago
United
Fri, 19 Jun - Mon, 22 Jun
HYS
Hays
COU
Columbia
S$1,222 Return, found 3 days ago
S$1,222
Return
found 3 days ago
Select United flight, departing Fri, 19 Jun from Hays to Columbia, returning Mon, 22 Jun, priced at S$1,222 found 3 days ago
United
Wed, 17 Jun - Sat, 20 Jun
HYS
Hays
COU
Columbia
S$1,390 Return, found 5 days ago
S$1,390
Return
found 5 days ago
Select United flight, departing Wed, 17 Jun from Hays to Columbia, returning Sat, 20 Jun, priced at S$1,390 found 5 days ago
United
Wed, 17 Jun - Sat, 20 Jun
HYS
Hays
COU
Columbia
S$1,397 Return, found 5 days ago
S$1,397
Return
found 5 days ago
Select United flight, departing Wed, 17 Jun from Hays to Columbia, returning Sat, 20 Jun, priced at S$1,397 found 5 days ago
United
Sat, 20 Jun - Tue, 23 Jun
HYS
Hays
COU
Columbia
S$1,416 Return, found 2 days ago
S$1,416
Return
found 2 days ago
Select United flight, departing Sat, 20 Jun from Hays to Columbia, returning Tue, 23 Jun, priced at S$1,416 found 2 days ago
United
Wed, 17 Jun - Sat, 20 Jun
HYS
Hays
COU
Columbia
S$1,483 Return, found 5 days ago
S$1,483
Return
found 5 days ago
Select United flight, departing Wed, 17 Jun from Hays to Columbia, returning Sat, 20 Jun, priced at S$1,483 found 5 days ago
United
Fri, 19 Jun - Mon, 22 Jun
HYS
Hays
COU
Columbia
S$1,489 Return, found 3 days ago
S$1,489
Return
found 3 days ago
Select United flight, departing Fri, 19 Jun from Hays to Columbia, returning Mon, 22 Jun, priced at S$1,489 found 3 days ago
United
Fri, 19 Jun - Mon, 22 Jun
HYS
Hays
COU
Columbia
S$1,524 Return, found 3 days ago
S$1,524
Return
found 3 days ago
Select United flight, departing Fri, 19 Jun from Hays to Columbia, returning Mon, 22 Jun, priced at S$1,524 found 3 days ago
United
Sun, 21 Jun - Wed, 24 Jun
HYS
Hays
COU
Columbia
S$1,546 Return, found 20 hours ago
S$1,546
Return
found 20 hours ago
Select United flight, departing Sun, 21 Jun from Hays to Columbia, returning Wed, 24 Jun, priced at S$1,546 found 20 hours ago
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.

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.

Singapore Airlines
Mon, 21 Sept - Tue, 29 Sept
SIN
Singapore
STL
St. Louis
S$1,588 Return, found 4 days ago
S$1,588
Return
found 4 days ago
Select Singapore Airlines flight, departing Mon, 21 Sept from Singapore to St. Louis, returning Tue, 29 Sept, priced at S$1,588 found 4 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$1,112 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$1,112 and S$1,588 in the last seven days. For one-way trips departing from Hays (HYS), the lowest amount paid during this time was S$850.
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$1,112 to S$1,588 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
Roundtrip price
from S$1,112
Washington County Flights Information
*Available to Expedia members.