CA $209 Cheap Flight to Washington County

View CA $209 flight on Tue, Sep 29, 2026Opens in a new window

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Popular airlines to Washington County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Alaska 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 CA $209 for one-way flights and CA $352 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, Oct 15 - Fri, Oct 30
YVR
Vancouver
STL
St. Louis
CA $352 Roundtrip, found 4 days ago
CA $352
Roundtrip
found 4 days ago
Select Air Canada flight, departing Thu, Oct 15 from Vancouver to St. Louis, returning Fri, Oct 30, priced at CA $352 found 4 days ago
United
Thu, Sep 10 - Sun, Sep 27
YVR
Vancouver
STL
St. Louis
CA $356 Roundtrip, found 4 days ago
CA $356
Roundtrip
found 4 days ago
Select United flight, departing Thu, Sep 10 from Vancouver to St. Louis, returning Sun, Sep 27, priced at CA $356 found 4 days ago
American Airlines
Tue, Sep 29 - Tue, Oct 6
YVR
Vancouver
STL
St. Louis
CA $356 Roundtrip, found 5 days ago
CA $356
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Sep 29 from Vancouver to St. Louis, returning Tue, Oct 6, priced at CA $356 found 5 days ago
Air Canada
Thu, Oct 22 - Tue, Nov 10
YVR
Vancouver
STL
St. Louis
CA $364 Roundtrip, found 4 days ago
CA $364
Roundtrip
found 4 days ago
Select Air Canada flight, departing Thu, Oct 22 from Vancouver to St. Louis, returning Tue, Nov 10, priced at CA $364 found 4 days ago
Delta
Wed, Sep 16 - Tue, Sep 22
YVR
Vancouver
STL
St. Louis
CA $384 Roundtrip, found 7 hours ago
CA $384
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, Sep 16 from Vancouver to St. Louis, returning Tue, Sep 22, priced at CA $384 found 7 hours ago
American Airlines
Wed, May 20 - Tue, May 26
YYC
Calgary
STL
St. Louis
CA $437 Roundtrip, found 14 hours ago
CA $437
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Wed, May 20 from Calgary to St. Louis, returning Tue, May 26, priced at CA $437 found 14 hours ago
American Airlines
Wed, Jun 3 - Tue, Jun 9
YYZ
Toronto
STL
St. Louis
CA $459 Roundtrip, found 12 hours ago
CA $459
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Wed, Jun 3 from Toronto to St. Louis, returning Tue, Jun 9, priced at CA $459 found 12 hours ago
American Airlines
Tue, May 26 - Tue, Jun 2
YUL
Montreal
STL
St. Louis
CA $536 Roundtrip, found 15 hours ago
CA $536
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Tue, May 26 from Montreal to St. Louis, returning Tue, Jun 2, priced at CA $536 found 15 hours ago
Air Canada
Tue, Sep 22 - Fri, Oct 9
YYZ
Toronto
STL
St. Louis
CA $606 Roundtrip, found 6 days ago
CA $606
Roundtrip
found 6 days ago
Select Air Canada flight, departing Tue, Sep 22 from Toronto to St. Louis, returning Fri, Oct 9, priced at CA $606 found 6 days ago
WestJet
Tue, Sep 15 - Wed, Sep 16
YVR
Vancouver
STL
St. Louis
CA $635 Roundtrip, found 7 hours ago
CA $635
Roundtrip
found 7 hours ago
Select WestJet flight, departing Tue, Sep 15 from Vancouver to St. Louis, returning Wed, Sep 16, priced at CA $635 found 7 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.

Air Canada
Thu, Oct 15 - Fri, Oct 30
YVR
Vancouver
STL
St. Louis
CA $352 Roundtrip, found 4 days ago
CA $352
Roundtrip
found 4 days ago
Select Air Canada flight, departing Thu, Oct 15 from Vancouver to St. Louis, returning Fri, Oct 30, priced at CA $352 found 4 days ago

Frequently asked questions

How do I find cheap flights to Washington County that have flexible change policies?
We know that things can change very quickly, so reserving a flexible ticket with Expedia is a wise idea. Simply click on "No change fee" underneath the "Flexible change policies" filter. Your well-priced and flexible flight to Washington County is only a few clicks away.
Which airlines fly to Washington County?
Decide on your vacation dates and then make your way towards Washington County with one of these great airlines:

  • Southwest Airlines - 2,907 flights to or near Washington County each month, including 2,907 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • American Airlines - 810 flights to or near Washington County each month, including 810 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • United Airlines - 573 flights to or near Washington County each month, including 573 flights to Lambert-St. Louis Intl. Airport (STL) per month.

How can I find cheap tickets to Washington County?
An useful strategy for nabbing cheap fares is to be flexible with your travel dates. Begin with searching for your flight to Washington County, then click on the "flexible dates" box for a list of prices for nearby days. Want another good tip? Book in advance. For an idea of costs, CA $352 was the lowest price for a flight to Washington County in the last seven days.
How much is a flight to Washington County?
You could have locked in a return air ticket to Washington County from anywhere between CA $352 and CA $635 in the last seven days. For one-way journeys taking off from Vancouver (YVR), the lowest amount paid during this period was just CA $209.
What are the most popular airports to fly into in Washington County?
Jet into Lambert-St. Louis Intl. Airport (STL) and experience everything that Washington County has to offer. As the region's main point of entry, roughly 5,094 flights land here every month.
When is the cheapest time to fly to Washington County?
If you can be flexible with what date you travel to Washington County, leave early on in the week. The most economical day to take off is normally Tuesday, followed closely by Monday. Saturday is typically the priciest day, with lots of vacationers preferring to take off on the weekend.
How much is a plane ticket to Washington County?
Ticket prices to Washington County varied from CA $352 to CA $635 in the last seven days. Typically, the earlier you book the better the deal.
What are the best things to do in Washington County?

  • With so many exciting things to do in Sullivan, it's no wonder lots of tourists start their Washington County escape in this lively city. Spend your first few days checking off popular attractions like Meramec Caverns before taking a look at some of this city's lesser-known spots.
  • When deciding the clothes to bring on your vacation, take into account that Sullivan has a humid subtropical climate. To give you a better picture of what to expect while you're there, look up the weather conditions before you go.
  • When you'd like to get out and experience more of this amazing region, hop in one of our affordable car rentals and make your way to Potosi. It's around 48 kilometres to the southeast of Sullivan and is also home to great tourist attractions, including Washington County Courthouse.

What is the best time to go to Washington County?
If you like your weather sizzling like a Southern barbecue, organize your trip to Washington County anytime after June 20. This is the beginning of summer, when temperatures typically fluctuate between 19ºC and 30ºC in the main city of Sullivan. April, June and July are the busiest months to explore this destination.
What months are the cheapest to book a flight to Washington County?
A cheap month to find a top deal to Washington County is February, while prices rise considerably in December. Avoid this time if you're on a tight budget.

Travel information

Washington County Flights Information

Airlines serving
American Airlines, Air Canada, United, Delta, Alaska Airlines, WestJet
Roundtrip price
from CA $352
Washington County Flights Information

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