Cheap Flights to Washington County from $28 (2026/2027)

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A cave with stalactites and a metal walkway.

Sullivan

Flights
Sullivan
A wooden pier extending into a misty lake with a person in a yellow dress standing at the end.

Potosi

Flights
Potosi

How Much Does it Cost To Fly To Washington County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Thu, Oct 1 - Thu, Oct 8
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$56 Roundtrip, found 8 hours ago
$56
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, Oct 1 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Thu, Oct 8, priced at $56 found 8 hours ago
Sat, Aug 8 - Sat, Aug 15
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$95 Roundtrip, found 1 day ago
$95
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Aug 8 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Sat, Aug 15, priced at $95 found 1 day ago
Thu, Sep 3 - Sun, Sep 6
SFB
Orlando Sanford Intl.
BLV
MidAmerica-St. Louis
$95 Roundtrip, found 3 hours ago
$95
Roundtrip
found 3 hours ago
Select Allegiant Air flight, departing Thu, Sep 3 from Orlando Sanford Intl. to MidAmerica-St. Louis, returning Sun, Sep 6, priced at $95 found 3 hours ago
Wed, Aug 5 - Wed, Aug 12
SFB
Orlando Sanford Intl.
COU
Columbia Regional
$104 Roundtrip, found 7 hours ago
$104
Roundtrip
found 7 hours ago
Select Allegiant Air flight, departing Wed, Aug 5 from Orlando Sanford Intl. to Columbia Regional, returning Wed, Aug 12, priced at $104 found 7 hours ago
Thu, Oct 1 - Thu, Oct 8
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$108 Roundtrip, just found
$108
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Oct 1 from Denver Intl. to Lambert-St. Louis Intl., returning Thu, Oct 8, priced at $108 just found
Thu, Aug 13 - Mon, Aug 17
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$111 Roundtrip, just found
$111
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Aug 13 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Aug 17, priced at $111 just found
Wed, Aug 5 - Thu, Aug 6
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$116 Roundtrip, found 5 hours ago
$116
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Wed, Aug 5 from Denver Intl. to Lambert-St. Louis Intl., returning Thu, Aug 6, priced at $116 found 5 hours ago
Mon, Aug 17 - Mon, Aug 31
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$192 Roundtrip, just found
$192
Roundtrip
just found
Select Southwest Airlines flight, departing Mon, Aug 17 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Aug 31, priced at $192 just found
Sat, Aug 15 - Sat, Aug 29
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$192 Roundtrip, just found
$192
Roundtrip
just found
Select United flight, departing Sat, Aug 15 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Aug 29, priced at $192 just found
Mon, Aug 17 - Mon, Aug 31
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$212 Roundtrip, just found
$212
Roundtrip
just found
Select Delta flight, departing Mon, Aug 17 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Aug 31, priced at $212 just found
OriginDestinationTravel DatesFlights From*
DENColumbiaAugust 14 to August 16$278
EWRColumbiaAugust 1 to August 8$296
ATLColumbiaAugust 21 to August 23$305
LAXColumbiaAugust 19 to August 26$326
SEAColumbiaSeptember 17 to September 21$338
TPAScott CityAugust 20 to August 22$407
LGAFort Leonard WoodAugust 7 to August 9$425
DFWColumbiaSeptember 18 to September 20$495
ATLScott CityAugust 7 to August 9$499
SEAScott CitySeptember 21 to September 30$508
DENScott CityJuly 30 to August 2$630
LAXScott CitySeptember 3 to September 6$664
SEAFort Leonard WoodAugust 20 to August 26$689
LAXFort Leonard WoodAugust 11 to August 14$740
ATLFort Leonard WoodAugust 13 to August 16$1,161
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLSt. LouisJuly 19 to July 25$220
DENSt. LouisJuly 18 to August 10$270
DFWFort Leonard WoodJuly 17 to July 20$285
PIEMascoutahJuly 17 to July 20$313
TTNSt. LouisJuly 18 to July 22$328
DFWScott CityJuly 19 to July 24$367
DFWSt. LouisJuly 18 to July 20$371
TPASt. LouisJuly 19 to July 24$380
LGASt. LouisJuly 19 to July 22$409
LGASt. LouisJuly 19 to July 22$409
LAXSt. LouisJuly 17 to July 20$434
SEASt. LouisJuly 19 to July 26$511
DFWColumbiaJuly 17 to July 24$554
PHLFort Leonard WoodJuly 19 to July 20$775
SEAFort Leonard WoodJuly 17 to July 22$986
*Prices include taxes and fees

Best Washington County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Aug 25 - Aug 29

4 night stay

Charlotte (CLT) to St. Louis (STL)

American Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $861, price is now $487 per person
$487
per person
found 1 day ago
Moonrise Hotel
4.0-star property

Moonrise Hotel

Aug 25 - Aug 29

4 night stay

Charlotte (CLT) to St. Louis (STL)

American Airlines • Roundtrip • Coach
Price was $721, price is now $514 per person
$514
per person
found 1 day ago
The Cheshire
4.0-star property

The Cheshire

Aug 25 - Aug 29

4 night stay

Charlotte (CLT) to St. Louis (STL)

American Airlines • Roundtrip • Coach
Price was $746, price is now $538 per person
$538
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.
7.2/10 Good! (405 reviews)
"The staff is always very friendly and the rooms are very clean. This is my third time staying there and it’s always been a positive stay."

Reviewed on Jul 9, 2026

Opens in a new windowSuper 8 by Wyndham Potosi
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! (1,023 reviews)
"Had a spider in the room but staff said they would take care of it. Had to wait for a check in person. Air conditioner worked great. Breakfast was okay."

Reviewed on Jul 12, 2026

Opens in a new windowBaymont Inn and Suites by Wyndham Farmington, MO
La Quinta Inn & Suites by Wyndham Festus - St. Louis South

La Quinta Inn & Suites by Wyndham Festus - St. Louis South

3 out of 5
1001 Veterans Blvd Festus MO
Book a stay at this business-friendly hotel in Festus. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions Jorkerst Memorial Park and Sunset Park are located nearby.
7.8/10 Good! (1,010 reviews)
"The room had mold in the air conditioner and the refund wasn’t processed like it was supposed to be."

Reviewed on Jul 12, 2026

Opens in a new windowLa Quinta Inn & Suites by Wyndham Festus - St. Louis South
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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! (83 reviews)
"I really enjoyed my time at the stay !"

Reviewed on Jul 12, 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 $56 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, October 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 $56. 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 $56 and $1,161. 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.
How long is the average flight to Washington County?
The duration of a direct flight to Washington County differs, but these are the average airborne times for a few main routes:

  • Chicago, IL (ORD-O'Hare Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1 hour and 23 minutes
  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1 hour and 37 minutes
  • Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1 hour and 49 minutes

What can I expect on a flight to Washington County?
If you're catching a long-haul flight to Washington County, you can typically expect drinks, meals and entertainment on board. Airlines try to make longer flights as pleasant as possible. Quicker journeys — as well as flights with budget airlines — may have less inclusions. If you're looking for cheap flights for family vacations with a budget carrier, be prepared to pay extra for entertainment and food.