Flights To Washington County - Cheap Flights Starting at CA $331

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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, Jun 29 - Mon, Jul 6
YYZ
Pearson Intl.
STL
Lambert-St. Louis Intl.
CA $574 Roundtrip, found 6 days ago
CA $574
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Jun 29 from Pearson Intl. to Lambert-St. Louis Intl., returning Mon, Jul 6, priced at CA $574 found 6 days ago
Wed, Aug 12 - Tue, Aug 18
YUL
Pierre Elliott Trudeau Intl.
STL
Lambert-St. Louis Intl.
CA $610 Roundtrip, found 3 days ago
CA $610
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Aug 12 from Pierre Elliott Trudeau Intl. to Lambert-St. Louis Intl., returning Tue, Aug 18, priced at CA $610 found 3 days ago
Tue, Jul 7 - Mon, Jul 13
YYC
Calgary Intl.
STL
Lambert-St. Louis Intl.
CA $619 Roundtrip, found 3 days ago
CA $619
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Jul 7 from Calgary Intl. to Lambert-St. Louis Intl., returning Mon, Jul 13, priced at CA $619 found 3 days ago
Fri, Jul 31 - Mon, Aug 3
YYC
Calgary Intl.
STL
Lambert-St. Louis Intl.
CA $629 Roundtrip, found 6 days ago
CA $629
Roundtrip
found 6 days ago
Select WestJet flight, departing Fri, Jul 31 from Calgary Intl. to Lambert-St. Louis Intl., returning Mon, Aug 3, priced at CA $629 found 6 days ago
Thu, Jul 9 - Sun, Jul 12
YYC
Calgary Intl.
STL
Lambert-St. Louis Intl.
CA $640 Roundtrip, found 6 days ago
CA $640
Roundtrip
found 6 days ago
Select WestJet flight, departing Thu, Jul 9 from Calgary Intl. to Lambert-St. Louis Intl., returning Sun, Jul 12, priced at CA $640 found 6 days ago
Wed, Aug 12 - Tue, Aug 18
YUL
Pierre Elliott Trudeau Intl.
STL
Lambert-St. Louis Intl.
CA $649 Roundtrip, found 3 days ago
CA $649
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Aug 12 from Pierre Elliott Trudeau Intl. to Lambert-St. Louis Intl., returning Tue, Aug 18, priced at CA $649 found 3 days ago
Fri, Jul 10 - Mon, Jul 13
YYC
Calgary Intl.
STL
Lambert-St. Louis Intl.
CA $651 Roundtrip, found 3 days ago
CA $651
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Jul 10 from Calgary Intl. to Lambert-St. Louis Intl., returning Mon, Jul 13, priced at CA $651 found 3 days ago
Mon, Jun 22 - Wed, Jun 24
YYC
Calgary Intl.
STL
Lambert-St. Louis Intl.
CA $653 Roundtrip, found 6 days ago
CA $653
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Jun 22 from Calgary Intl. to Lambert-St. Louis Intl., returning Wed, Jun 24, priced at CA $653 found 6 days ago
OriginDestinationTravel datesFlights from*
DENSt. LouisAugust 19 to August 25CA $509
SEASt. LouisAugust 18 to August 20CA $552
LAXSt. LouisAugust 11 to August 13CA $633
LGASt. LouisJune 23 to June 29CA $648
LGASt. LouisJune 23 to June 29CA $648
DFWSt. LouisJuly 13 to August 19CA $1,186
TPASt. LouisSeptember 4 to September 7CA $1,263
ATLSt. LouisJune 26 to June 28CA $1,378
PHLSt. LouisJuly 16 to July 20CA $1,458
*Prices include taxes and fees
OriginDestinationTravel datesFlights from*
LAXSt. LouisJune 14 to June 16CA $939
EWRSt. LouisJune 12 to June 15CA $1,676
DFWSt. LouisJune 13 to June 20CA $1,874
TPASt. LouisJune 12 to June 14CA $2,222
*Prices include taxes and fees

Travelers ❤️ These Washington County 🏨

Best Western U. S. Inn

Best Western U. S. Inn

2.5 out of 5
11640 State Route 127 Nashville IL
Book a stay at this business-friendly hotel in Nashville. Enjoy free breakfast, free WiFi, and free parking. Popular attraction Nashville Memorial Park is located nearby.
8.6/10 Excellent! (422 reviews)
"Maintenance levels should be improved (broken door latch, refrigerator/freezer, tub won't drain, etc.) and the cost is ridiculous."

Reviewed on May 26, 2026

Opens in a new windowBest Western U. S. Inn
Super 8 by Wyndham Okawville

Super 8 by Wyndham Okawville

2 out of 5
812 North Hen House Road Okawville IL
Book a stay at this business-friendly motel in Okawville. Enjoy free breakfast, free WiFi, and free parking. Popular attractions Community Park and Rainbow Ranch Petting Zoo are located nearby.
7.4/10 Good! (337 reviews)
"Staff was very friendly and accommodating. My son woke up with what appears to be bed bug bites."

Reviewed on Jun 7, 2026

Opens in a new windowSuper 8 by Wyndham Okawville
Drury Plaza Hotel Mt. Vernon

Drury Plaza Hotel Mt. Vernon

3.5 out of 5
145 North 44th Street  Mount Vernon IL
Book a stay at this business-friendly hotel in Mount Vernon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions King City Square Shopping Center and Veterans Memorial Park are located nearby.
9.6/10 Exceptional! (1,716 reviews)
"Staff very friendly. Great breakfast"

Reviewed on Jun 7, 2026

Opens in a new windowDrury Plaza Hotel Mt. Vernon
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Super 8 by Wyndham O'Fallon

Super 8 by Wyndham O'Fallon

2 out of 5
1100 Eastgate Dr O'Fallon IL
Book a stay at this business-friendly hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions O'Fallon Family Sports Park and The Russel E. and Fern M. Hettenhausen Center for the Arts are located nearby.
6.8/10 (1,005 reviews)
"I checked into the room at 6pm and immediately noticed several large termites dead in the bathtub and a couple around the toilet, I turned on the water and washed them down. A couple hours later upon entering the bathroom there were several more of them in the tub yet again. I proceeded to order ..."

Reviewed on Jun 6, 2026

Opens in a new windowSuper 8 by Wyndham O'Fallon
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?
Your next vacation doesn't have to cost a small fortune. In the last seven days, the cheapest return flight to Washington County cost CA $509. Find a bargain fare and spend the money you save on exciting experiences. 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?
June is the cheapest month to jet out to Washington County — that's based on Travelocity's direct return flight demand from January to December last year. We can help you snap up a great bargain so you can start arranging your itinerary today.
How can I check my flight status to Washington County?
Get useful alerts about your flight status, any gate changes and more with Trips. Travelocity's handy customer portal is located at the top of our homepage and is where you can view and manage your bookings. Sign in to your account easily and quickly and everything will be at your fingertips. The Travelocity app makes it possible for you to see the details of your flight to Washington County while you're on the move — and even when offline. The app can handle all your booking needs. Whether you'd like to arrange a shuttle from your airport or share itinerary details with any members of your family flying with you, the app is your one-stop travel shop.
How do I find the best deals on flights to Washington County?
You'll always find an incredible deal with Travelocity — our "Flexible dates" search tool makes it a whole lot easier. Enter your travel dates, then click the flexible dates box above your search results to see the prices for surrounding days. CA $509 was the lowest price for a return flight to Washington County in the last seven days. 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?
If you're on the lookout for cheap flights to Washington County, you'll come across top deals and great prices with Travelocity. From cheap family flights with budget airlines to flexible fares, we've got your back. Enjoy a hassle-free trip with our 24/7 Virtual Agent online chat, Price Match Guarantee and free cancellations with most hotels and activities. Start packing your suitcase and prepare to explore this fantastic destination.
What are the most popular flight routes to Washington County?
As a renowned destination, there are plenty of connections to Washington County. Browse this list of top routes:

  • Fort Walton Beach, FL (VPS-Northwest Florida Regional) to MidAmerica-St. Louis Airport (BLV) - 73 flights a month.
  • Charleston, SC (CHS-Charleston Intl.) to MidAmerica-St. Louis Airport (BLV) - 26 flights a month.
  • St. Petersburg, FL (PIE-St. Petersburg-Clearwater Intl.) to MidAmerica-St. Louis Airport (BLV) - 21 flights a month.

How much is a flight to Washington County on average?
Passengers have found roundtrip flights to Washington County for between CA $509 and CA $2,222 with Travelocity in the last seven days. Whether you're looking to fly budget or business class, we'll help you find an amazing deal. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.