Cheap Flights to Washington County from $29 (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Jet to one of Washington County's top cities

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.

Mon, Oct 12 - Sat, Oct 17
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$56 Roundtrip, found 3 hours ago
$56
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Oct 12 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Oct 17, priced at $56 found 3 hours ago
Thu, Aug 6 - Tue, Aug 11
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$108 Roundtrip, found 3 hours ago
$108
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, Aug 6 from Denver Intl. to Lambert-St. Louis Intl., returning Tue, Aug 11, priced at $108 found 3 hours ago
Fri, Aug 7 - Wed, Aug 12
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$111 Roundtrip, found 5 days ago
$111
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Fri, Aug 7 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Aug 12, priced at $111 found 5 days ago
Sat, Sep 5 - Tue, Sep 8
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$120 Roundtrip, found 19 hours ago
$120
Roundtrip
found 19 hours ago
Select Delta flight, departing Sat, Sep 5 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Sep 8, priced at $120 found 19 hours ago
Thu, Sep 24 - Sat, Sep 26
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$159 Roundtrip, found 2 days ago
$159
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Sep 24 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Sep 26, priced at $159 found 2 days ago
Wed, Sep 16 - Wed, Sep 23
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$187 Roundtrip, found 1 day ago
$187
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 16 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, Sep 23, priced at $187 found 1 day ago
Sat, Sep 26 - Tue, Sep 29
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$248 Roundtrip, found 4 days ago
$248
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Sat, Sep 26 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Tue, Sep 29, priced at $248 found 4 days ago
Tue, Sep 29 - Sun, Oct 4
DEN
Denver Intl.
COU
Columbia Regional
$278 Roundtrip, found 21 hours ago
$278
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Tue, Sep 29 from Denver Intl. to Columbia Regional, returning Sun, Oct 4, priced at $278 found 21 hours ago
OriginDestinationTravel DatesFlights From*
DFWFort Leonard WoodAugust 25 to August 25$197
DENColumbiaSeptember 29 to October 4$278
EWRColumbiaAugust 1 to August 8$296
ATLColumbiaAugust 21 to August 23$305
SEAColumbiaAugust 20 to August 24$399
LGAFort Leonard WoodAugust 7 to August 9$425
LGAFort Leonard WoodAugust 7 to August 9$425
JFKScott CityOctober 2 to October 4$462
ATLFort Leonard WoodAugust 20 to August 22$491
DFWColumbiaOctober 8 to October 11$495
ATLScott CityAugust 7 to August 9$499
SEAScott CitySeptember 21 to September 30$508
LAXScott CitySeptember 3 to September 6$664
SEAFort Leonard WoodSeptember 3 to September 9$766
DENScott CityOctober 18 to October 21$994
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
PIEMascoutahJuly 17 to July 20$313
TTNSt. LouisJuly 18 to July 22$328
DFWScott CityJuly 19 to July 24$367
ATLSt. LouisJuly 17 to July 20$372
EWRSt. LouisJuly 17 to July 20$372
LGASt. LouisJuly 18 to August 8$376
DFWSt. LouisJuly 17 to July 18$376
LAXSt. LouisJuly 18 to July 19$377
DFWFort Leonard WoodJuly 18 to July 20$396
DENSt. LouisJuly 17 to July 19$420
TPASt. LouisJuly 19 to July 23$454
SEASt. LouisJuly 18 to August 1$578
JFKScott CityJuly 19 to July 31$633
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.
DoubleTree by Hilton Hotel St. Louis - Chesterfield
4.0-star property

DoubleTree by Hilton Hotel St. Louis - Chesterfield

Sep 15 - Sep 18

3 night stay

Denver (DEN) to St. Louis (STL)

Southwest Airlines • Coach

St. Louis (STL) to Denver (DEN)

Frontier Airlines • Coach
Price was $531, price is now $408 per person
$408
per person
found 17 hours ago
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Oct 11 - Oct 14

3 night stay

Baltimore (BWI) to St. Louis (STL)

Southwest Airlines • Non-stop • Coach

St. Louis (STL) to Baltimore (BWI)

Frontier Airlines • Non-stop • Coach
Price was $732, price is now $503 per person
$503
per person
found 9 hours ago
The Cheshire
4.0-star property

The Cheshire

Oct 10 - Oct 13

3 night stay

Baltimore (BWI) to St. Louis (STL)

Southwest Airlines • Coach

St. Louis (STL) to Baltimore (BWI)

Frontier Airlines • Coach
Price was $698, price is now $553 per person
$553
per person
found 11 hours ago
Don't see what you're looking for?
See all available trips from Denver to Washington County
View all trips

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! (1,026 reviews)
"It took three tries for the desk clerk to get me in a room that didn’t smell awful. First room smelled like sour milk the second like someone had smoked in the room that day. The third smelled nice like air freshener. Clerk was very helpful and got me in a clean room. No compensation was offered ..."

Reviewed on Jul 13, 2026

Opens in a new windowBaymont Inn and Suites by Wyndham Farmington, MO
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! (86 reviews)
"When they say tiny they mean tiny. The window view was amazing. In the middle of the woods all you see are trees. Well equipped for glamping. We enjoyed the campfire along with the peace and quiet. The Cozy and the dew drop in are close by and the food was worth the drive 🌟"

Reviewed on Jul 13, 2026

Opens in a new windowPostcard Cabins St Francois, Outdoor Collection by Marriott Bonvoy
Save an average of 15% on thousands of hotels when you're signed in
Sign in
Sign up, it's free
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
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 $994. 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.