Cheap Flights to Jefferson County from $20 (2026/2027)

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Festus

Flights
Festus

How Much Does it Cost To Fly To Jefferson County?

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

Wed, Sep 23 - Wed, Sep 30
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$38 Roundtrip, found 18 hours ago
$38
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Wed, Sep 23 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Sep 30, priced at $38 found 18 hours ago
Wed, Oct 7 - Mon, Oct 12
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$44 Roundtrip, found 1 day ago
$44
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Oct 7 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Oct 12, priced at $44 found 1 day ago
Wed, Sep 16 - Fri, Sep 18
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$57 Roundtrip, just found
$57
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Sep 16 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Fri, Sep 18, priced at $57 just found
Sat, Sep 26 - Mon, Sep 28
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$80 Roundtrip, found 10 hours ago
$80
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sat, Sep 26 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Sep 28, priced at $80 found 10 hours ago
Sat, Oct 3 - Sat, Oct 3
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$113 Roundtrip, found 4 days ago
$113
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Oct 3 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Oct 3, priced at $113 found 4 days ago
Thu, Oct 1 - Mon, Oct 12
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$151 Roundtrip, found 2 days ago
$151
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Oct 1 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Mon, Oct 12, priced at $151 found 2 days ago
Wed, Nov 4 - Sat, Nov 7
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$170 Roundtrip, found 3 days ago
$170
Roundtrip
found 3 days ago
Select United flight, departing Wed, Nov 4 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Nov 7, priced at $170 found 3 days ago
Sat, Oct 10 - Sat, Oct 17
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$176 Roundtrip, found 5 days ago
$176
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sat, Oct 10 from Orlando Intl. to Lambert-St. Louis Intl., returning Sat, Oct 17, priced at $176 found 5 days ago
OriginDestinationTravel DatesFlights From*
ATLSt. LouisOctober 7 to October 12$44
DENSt. LouisOctober 17 to October 24$80
PIEMascoutahDecember 4 to December 7$105
SEASt. LouisSeptember 15 to September 18$154
DFWSt. LouisNovember 12 to November 15$163
PHLSt. LouisOctober 24 to October 28$188
LGASt. LouisSeptember 9 to September 16$201
LGASt. LouisSeptember 9 to September 16$201
TPASt. LouisOctober 7 to October 12$208
LAXSt. LouisSeptember 22 to September 24$282
FCOSt. LouisSeptember 21 to October 5$960
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
PIEMascoutahAugust 28 to August 31$226
TTNSt. LouisAugust 29 to August 30$345
DENSt. LouisAugust 28 to August 31$365
TPASt. LouisAugust 30 to September 3$365
DALSt. LouisAugust 29 to September 25$366
LAXSt. LouisAugust 30 to September 18$380
EWRSt. LouisAugust 28 to September 6$390
LGASt. LouisAugust 29 to September 5$411
PAESt. LouisAugust 30 to September 28$467
ATLSt. LouisAugust 28 to August 30$492
*Prices include taxes and fees

Best Jefferson 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

Nov 6 - Nov 8

2 night stay

Dallas (DFW) to St. Louis (STL)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $584, price is now $363 per person
$363
per person
found 11 hours ago
The Cheshire
4.0-star property

The Cheshire

Oct 2 - Oct 4

2 night stay

Dallas (DFW) to St. Louis (STL)

American Airlines • Coach

St. Louis (STL) to Dallas (DFW)

Frontier Airlines • Coach
Price was $583, price is now $465 per person
$465
per person
found 22 hours ago
Moonrise Hotel
4.0-star property

Moonrise Hotel

Sep 4 - Sep 7

3 night stay

Dallas (DFW) to St. Louis (STL)

American Airlines • Roundtrip • Coach
Price was $921, price is now $742 per person
$742
per person
found 21 hours ago
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Travelers ❤️ These Jefferson County 🏨

Hyatt Regency St. Louis at The Arch

Hyatt Regency St. Louis at The Arch

4 out of 5
315 Chestnut St St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, 3 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Gateway Arch and Busch Stadium are located nearby.
8.6/10 Excellent! (4,260 reviews)
"Great location steps from the arch. excellent service and varied dining options."

Reviewed on Aug 25, 2026

Opens in a new windowHyatt Regency St. Louis at The Arch
Clayton Plaza Hotel & Extended Stay

Clayton Plaza Hotel & Extended Stay

3.5 out of 5
7750 Carondelet Avenue St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a 24-hour fitness center. Our guests praise the breakfast and the pool in our reviews. Popular attractions St. Louis Zoo and Forest Park are located nearby.
Opens in a new windowClayton Plaza Hotel & Extended Stay
Hollywood Casino & Hotel St. Louis

Hollywood Casino & Hotel St. Louis

3.5 out of 5
777 Casino Center Drive Maryland Heights MO
Book a stay at this business-friendly hotel in Maryland Heights. Enjoy free parking, 7 restaurants, and a casino. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Hollywood Casino Amphitheatre and Ameristar Casino St. Charles are located nearby.
8.6/10 Excellent! (2,249 reviews)
"Stayed at the property for a concert. The shuttle service from the hotel to the venue was convenient. Casino was large and not very crowded for a Sunday night. Room was clean and functional. We would stay here for another concert/casino overnight."

Reviewed on Aug 24, 2026

Opens in a new windowHollywood Casino & Hotel St. Louis
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Renaissance St. Louis Airport Hotel

Renaissance St. Louis Airport Hotel

4 out of 5
9801 Natural Bridge Road St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy an outdoor pool, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Westport Plaza and Blanche M. Touhill Performing Arts Center are located nearby.
Opens in a new windowRenaissance St. Louis Airport Hotel
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.