Flights To Washington County - Cheap Flights Starting at

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Interior view of the Meramec Caverns

Sullivan

Flights
Sullivan
Girl in yellow dress stands on dock facing foggy lake in morning

Potosi

Flights
Potosi
OriginDestinationTravel datesFlights from*
SEASt. LouisAugust 19 to August 24CA $546
LAXSt. LouisJuly 30 to August 3CA $701
DENSt. LouisAugust 19 to August 25CA $877
EWRSt. LouisJuly 13 to July 26CA $1,136
ATLSt. LouisAugust 19 to August 23CA $1,159
DFWSt. LouisAugust 7 to August 9CA $1,254
PHLSt. LouisJuly 12 to July 15CA $1,516
TPASt. LouisJuly 27 to August 1CA $1,870
*Prices include taxes and fees
OriginDestinationTravel datesFlights from*
SEASt. LouisMay 30 to June 6CA $587
LAXSt. LouisMay 31 to June 3CA $783
DFWSt. LouisMay 31 to June 3CA $1,603
TPASt. LouisMay 30 to June 13CA $2,064
PHLSt. LouisMay 30 to May 31CA $20,361
*Prices include taxes and fees
Price found within the past 48 hours. Click for updated prices.
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Jun 15 - Jun 17

2 night stay

Montreal (YUL) to St. Louis (STL)

Air Canada • Roundtrip • Coach
Price was CA $995, price is now CA $780 per person
CA $780
per person
found 1 day ago
Nebraska
2.0-star property

Nebraska

Jun 15 - Jun 17

2 night stay

Montreal (YUL) to St. Louis (STL)

Air Canada • Roundtrip • Coach
Price was CA $1,414, price is now CA $1,219 per person
CA $1,219
per person
found 1 day ago
Hilton Pennywell St. Louis at the Arch
4.0-star property

Hilton Pennywell St. Louis at the Arch

Jun 15 - Jun 17

2 night stay

Montreal (YUL) to St. Louis (STL)

Air Canada • Roundtrip • Coach
Price was CA $1,108, price is now CA $1,006 per person
CA $1,006
per person
found 1 day ago
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Travelers ❤️ These Washington County 🏨

Super 8 by Wyndham Potosi

Super 8 by Wyndham Potosi

2 out of 5
820 E High St Potosi MO
Book a stay at this business-friendly motel in Potosi. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms in our reviews.
7/10 Good! (399 reviews)
"Clean, felt safe, slept great. Staff was friendly and helpful!"

Reviewed on May 26, 2026

Opens in a new windowSuper 8 by Wyndham Potosi
Hagood farms and trails

Hagood farms and trails

Sullivan MO
Stay at this campground in Sullivan. Enjoy a garden.
9.6/10 Exceptional! (7 reviews)
"I cannot say enough good things about this property. If quiet and beauty is what you are looking for it's here. Its about 15-20 minutes either way. There is a road next to it but we didn't see a lot of traffic. We unfortunately got rained out and had to leave early so didn't get to emjoy it more. ..."

Reviewed on Oct 20, 2025

Opens in a new windowHagood farms and trails
Baymont Inn and Suites by Wyndham Farmington, MO

Baymont Inn and Suites by Wyndham Farmington, MO

2.5 out of 5
1625 W Columbia St Farmington MO
Book a stay at this business-friendly hotel in Farmington. Enjoy free breakfast, free parking, and an outdoor pool. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Wilson Rozier Park and Veterans Park are located nearby.
8/10 Very Good! (1,004 reviews)
"."

Reviewed on May 27, 2026

Opens in a new windowBaymont Inn and Suites by Wyndham Farmington, MO
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Postcard Cabins St Francois, Outdoor Collection by Marriott Bonvoy

Postcard Cabins St Francois, Outdoor Collection by Marriott Bonvoy

2 out of 5
7555 State Hwy Y French Village MO
Stay at this cabin in French Village. Enjoy free parking, patios, and climate control.
9.8/10 Exceptional! (74 reviews)
"Extremely peaceful, easy to get to, nice place to unwind. Cabin is small but very clean and comfortable."

Reviewed on May 25, 2026

Opens in a new windowPostcard Cabins St Francois, Outdoor Collection by Marriott Bonvoy
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is the cheapest flight to Washington County?
Travelers booked a roundtrip flight to Washington County for as little as CA $546 in the last seven days. If you spot a fare you like, book fast. Cheap deals don't wait around for long! This price was available on Travelocity for flights to Washington County departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly to Washington County?
If you're planning an escape to Washington County, August is the cheapest month to make your way there. This is according to Travelocity's direct return flight demand between January and December last year. Pick your dates and secure your flights today.
How can I check my flight status to Washington County?
Whether you'd like to confirm the status of your flight to Washington County or amend your journey, you'll find all the details you need on our customer portal, Trips. Click on "Trips" at the top right of our homepage, then sign in or create an account. Another simple way to access and manage all your bookings is with the Travelocity app. Get useful travel alerts right when you need them and easily share updates with any friends or family flying with you.
How do I find the best deals on flights to Washington County?
It's good to book in advance, and if possible, avoid flying during busy peak periods. Another smart way to save is by hitting the "Flexible dates" box at the top of the page after searching for your flights. You'll then see prices for nearby days. In the last seven days, the lowest price for a roundtrip flight to Washington County was CA $546. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to Washington County with Travelocity?
An amazing getaway is only a click or two away when you plan your trip with Travelocity. With a wide selection of choices and great deals on cheap family flights, places to stay, rental cars and more, we make it easy to locate the best prices for you. You can also use our 24/7 customer assistance and free cancellations on most activities and hotels during every stage of the process. Wander with us and secure your cheap flights to Washington County today.
What are the most popular flight routes to Washington County?
Check out these leading flight routes to Washington County and start organizing your dream escape:

  • Chicago, IL (ORD-O'Hare Intl.) to Lambert-St. Louis Intl. Airport (STL) - 2,049 flights a month.
  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1,503 flights a month.
  • Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1,300 flights a month.

How much is a flight to Washington County on average?
Based on prices found over the last seven days, roundtrip flights to Washington County cost between CA $546 and CA $20,361. Whenever you're ready to take off, Travelocity will help you find a fare that'll suit your budget. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.