Lodging Image

Flight to Washington County

View S$174 flight on Wed, 2 Dec, 2026Opens in a new window

Popular airlines to Washington County

  • American Airlines

  • United

  • Delta

  • Alaska Airlines

  • Frontier Airlines

  • Southwest Airlines

  • Air Canada

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at S$174 for one-way flights and S$412 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 28 Jul - Wed, 29 Jul
ORD
Chicago
STL
St. Louis
S$412 Return, found 1 day ago
S$412
Return
found 1 day ago
Select Delta flight, departing Tue, 28 Jul from Chicago to St. Louis, returning Wed, 29 Jul, priced at S$412 found 1 day ago
Delta
Wed, 2 Dec - Wed, 6 Jan
SEA
Seattle
STL
St. Louis
S$419 Return, found 3 days ago
S$419
Return
found 3 days ago
Select Delta flight, departing Wed, 2 Dec from Seattle to St. Louis, returning Wed, 6 Jan, priced at S$419 found 3 days ago
Delta
Wed, 2 Dec - Wed, 6 Jan
LAX
Los Angeles
STL
St. Louis
S$440 Return, found 3 days ago
S$440
Return
found 3 days ago
Select Delta flight, departing Wed, 2 Dec from Los Angeles to St. Louis, returning Wed, 6 Jan, priced at S$440 found 3 days ago
Delta
Wed, 2 Dec - Wed, 6 Jan
SEA
Seattle
STL
St. Louis
S$443 Return, found 3 days ago
S$443
Return
found 3 days ago
Select Delta flight, departing Wed, 2 Dec from Seattle to St. Louis, returning Wed, 6 Jan, priced at S$443 found 3 days ago
United
Tue, 28 Jul - Wed, 29 Jul
ORD
Chicago
STL
St. Louis
S$444 Return, found 1 day ago
S$444
Return
found 1 day ago
Select United flight, departing Tue, 28 Jul from Chicago to St. Louis, returning Wed, 29 Jul, priced at S$444 found 1 day ago
American Airlines
Tue, 28 Jul - Wed, 29 Jul
ORD
Chicago
STL
St. Louis
S$444 Return, found 1 day ago
S$444
Return
found 1 day ago
Select American Airlines flight, departing Tue, 28 Jul from Chicago to St. Louis, returning Wed, 29 Jul, priced at S$444 found 1 day ago
Alaska Airlines
Thu, 27 Aug - Mon, 31 Aug
SEA
Seattle
STL
St. Louis
S$510 Return, found 6 days ago
S$510
Return
found 6 days ago
Select Alaska Airlines flight, departing Thu, 27 Aug from Seattle to St. Louis, returning Mon, 31 Aug, priced at S$510 found 6 days ago
EVA Airways
Fri, 19 Mar - Sat, 27 Mar
SIN
Singapore
STL
St. Louis
S$1,683 Return, found 4 days ago
S$1,683
Return
found 4 days ago
Select EVA Airways flight, departing Fri, 19 Mar from Singapore to St. Louis, returning Sat, 27 Mar, priced at S$1,683 found 4 days ago
Japan Airlines
Tue, 7 Jul - Mon, 13 Jul
SIN
Singapore
STL
St. Louis
S$1,708 Return, found 19 hours ago
S$1,708
Return
found 19 hours ago
Select Japan Airlines flight, departing Tue, 7 Jul from Singapore to St. Louis, returning Mon, 13 Jul, priced at S$1,708 found 19 hours ago
Air Canada
Tue, 7 Jul - Mon, 13 Jul
SIN
Singapore
STL
St. Louis
S$1,799 Return, found 19 hours ago
S$1,799
Return
found 19 hours ago
Select Air Canada flight, departing Tue, 7 Jul from Singapore to St. Louis, returning Mon, 13 Jul, priced at S$1,799 found 19 hours 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.

EVA Airways
Fri, 19 Mar - Sat, 27 Mar
SIN
Singapore
STL
St. Louis
S$1,683 Return, found 4 days ago
S$1,683
Return
found 4 days ago
Select EVA Airways flight, departing Fri, 19 Mar from Singapore to St. Louis, returning Sat, 27 Mar, priced at S$1,683 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 Olympic gymnast to give you the most flexible fares available. Simply mark the "No change fee" box right underneath the "Flexible change policies" subheading to find your perfect flight to Washington County.
Which airlines fly to Washington County?
Reserve your fare with Allegiant Air and then begin planning your Washington County travel agenda. This leading carrier offers 125 flights per month to MidAmerica-St. Louis Airport (BLV), a central gateway.
How can I find cheap tickets to Washington County?
For an unbeatable deal to Washington County, book well in advance. Also make use of Expedia's handy "flexible dates" feature at the top of your search results. This will display prices for the days around your travel dates. In the last seven days, S$412 was the best price for a flight to Washington County.
How much is a flight to Washington County?
The price of a round-trip journey to Washington County in the last seven days varied between S$412 and S$1,799. If you were journeying one way from Seattle (SEA), you could have scored a cheap seat from only S$174.
What are the most popular airports to fly into in Washington County?
The primary gateway to Washington County, roughly 125 flights touch down at MidAmerica-St. Louis Airport (BLV) each month. Keep an eye out for a great deal, reserve your seat and prepare to experience this popular region.
When is the cheapest time to fly to Washington County?
Leave for Washington County early in the week and you'll usually be rewarded with lower-priced fares. Tuesday is generally the cheapest day to hop on a plane, closely followed by Monday. If you'd like to avoid the costliest flights, stay away from Saturdays.
How much is a plane ticket to Washington County?
In the last seven days, tickets to Washington County cost between S$412 and S$1,799. Prices depend on multiple things, particularly the departure time, carrier, cabin class and how early you make your booking.
What is the best time to go to Washington County?
Nashville, Washington County's most well-known city, is a superb destination to tour around at anytime. Don't like cooler weather? Then venture here from June 20 onward in summer, when temperatures fluctuate from 18ºC to 29ºC. March, August and September is when Nashville lures the biggest crowds.
What months are the cheapest to book a flight to Washington County?
February is the most affordable month to secure a seat for your Washington County holiday. Airfares are priciest during the month of December, so avoid this time if possible.

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, American Airlines, United, Alaska Airlines, Cathay Pacific, Air Canada, EVA Airways, Japan Airlines
Roundtrip price
from S$412
Washington County Flights Information
*Available to Expedia members.