Cheap Flights to Washington County from $29 (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.

Sat, Aug 8 - Mon, Aug 17
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$58 Roundtrip, found 7 hours ago
$58
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Sat, Aug 8 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Aug 17, priced at $58 found 7 hours ago
Thu, Sep 3 - Sun, Sep 6
SFB
Orlando Sanford Intl.
BLV
MidAmerica-St. Louis
$95 Roundtrip, found 8 hours ago
$95
Roundtrip
found 8 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 8 hours ago
Tue, Aug 4 - Thu, Aug 6
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$99 Roundtrip, found 1 day ago
$99
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Aug 4 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Thu, Aug 6, priced at $99 found 1 day ago
Wed, Aug 5 - Thu, Aug 6
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$101 Roundtrip, found 18 hours ago
$101
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Wed, Aug 5 from Denver Intl. to Lambert-St. Louis Intl., returning Thu, Aug 6, priced at $101 found 18 hours ago
Fri, Aug 21 - Fri, Aug 28
SFB
Orlando Sanford Intl.
COU
Columbia Regional
$104 Roundtrip, found 1 hour ago
$104
Roundtrip
found 1 hour ago
Select Allegiant Air flight, departing Fri, Aug 21 from Orlando Sanford Intl. to Columbia Regional, returning Fri, Aug 28, priced at $104 found 1 hour ago
Wed, Nov 4 - Mon, Nov 9
DAL
Love Field
STL
Lambert-St. Louis Intl.
$171 Roundtrip, found 3 days ago
$171
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Wed, Nov 4 from Love Field to Lambert-St. Louis Intl., returning Mon, Nov 9, priced at $171 found 3 days ago
Thu, Sep 3 - Mon, Sep 7
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$175 Roundtrip, found 2 days ago
$175
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Sep 3 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Mon, Sep 7, priced at $175 found 2 days ago
Wed, Sep 16 - Wed, Sep 23
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$187 Roundtrip, found 17 hours ago
$187
Roundtrip
found 17 hours ago
Select United flight, departing Wed, Sep 16 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, Sep 23, priced at $187 found 17 hours ago
Mon, Aug 17 - Tue, Aug 18
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$195 Roundtrip, found 2 days ago
$195
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Aug 17 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Tue, Aug 18, priced at $195 found 2 days ago
OriginDestinationTravel DatesFlights From*
ATLSt. LouisSeptember 29 to October 8$56
DENSt. LouisAugust 6 to August 10$108
DFWScott CitySeptember 18 to September 20$223
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
LAXScott CitySeptember 3 to September 6$664
DENScott CityOctober 18 to October 21$994
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
PIEMascoutahJuly 17 to July 20$313
DFWSt. LouisJuly 18 to July 25$328
TTNSt. LouisJuly 18 to July 22$328
TPASt. LouisJuly 19 to July 26$350
LAXSt. LouisJuly 19 to July 22$367
DFWScott CityJuly 19 to July 24$367
EWRSt. LouisJuly 17 to July 19$372
ATLSt. LouisJuly 18 to July 20$374
DFWFort Leonard WoodJuly 18 to July 20$396
DENSt. LouisJuly 19 to July 20$400
LGASt. LouisJuly 17 to July 19$552
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.
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Aug 27 - Aug 31

4 night stay

Denver (DEN) to St. Louis (STL)

Frontier Airlines • Roundtrip • Coach
Price was $731, price is now $348 per person
$348
per person
found 3 hours ago
Residence Inn by Marriott St Louis Downtown
3.0-star property

Residence Inn by Marriott St Louis Downtown

Sep 22 - Sep 26

4 night stay

Phoenix (PHX) to St. Louis (STL)

Southwest Airlines • Coach

St. Louis (STL) to Phoenix (PHX)

Frontier Airlines • Coach
Save 100% on your flight
Price was $934, price is now $568 per person
$568
per person
found 1 day ago
Remodeled and Inviting Free EV
2.0-star property

Remodeled and Inviting Free EV

Oct 1 - Oct 4

3 night stay

New York (NYC) to St. Louis (STL)

Delta • Coach

St. Louis (STL) to New York (NYC)

Frontier Airlines • Coach
Price was $817, price is now $562 per person
$562
per person
found 1 day ago
Don't see what you're looking for?
See all available trips from Denver to Washington County
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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! (1,025 reviews)
"Great place"

Reviewed on Jul 13, 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! (85 reviews)
"It was a special place for a special moment that we will never forget"

Reviewed on Jul 13, 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, 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 $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.