Cheap Flights to Jefferson County from $23 (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 Jefferson County's top cities

A city skyline at dusk with a prominent bridge arching over a body of water.

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.

Mon, Nov 9 - Wed, Nov 11
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$47 Roundtrip, just found
$47
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Nov 9 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Nov 11, priced at $47 just found
Fri, Nov 13 - Wed, Nov 18
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$52 Roundtrip, found 2 days ago
$52
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Nov 13 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Nov 18, priced at $52 found 2 days ago
Fri, Dec 11 - Mon, Dec 14
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$76 Roundtrip, just found
$76
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Dec 11 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Dec 14, priced at $76 just found
Wed, Nov 25 - Wed, Nov 25
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$78 Roundtrip, found 5 days ago
$78
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Nov 25 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Nov 25, priced at $78 found 5 days ago
Fri, Dec 11 - Mon, Dec 14
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$88 Roundtrip, found 1 hour ago
$88
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Dec 11 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Dec 14, priced at $88 found 1 hour ago
Sun, Nov 15 - Mon, Nov 16
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$93 Roundtrip, found 4 days ago
$93
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, Nov 15 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Mon, Nov 16, priced at $93 found 4 days ago
Mon, Nov 9 - Wed, Nov 11
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$137 Roundtrip, just found
$137
Roundtrip
just found
Select Southwest Airlines flight, departing Mon, Nov 9 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Nov 11, priced at $137 just found
Mon, Nov 9 - Wed, Nov 11
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$137 Roundtrip, just found
$137
Roundtrip
just found
Select Delta flight, departing Mon, Nov 9 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Nov 11, priced at $137 just found
OriginDestinationTravel DatesFlights From*
ATLSt. LouisNovember 9 to November 11$47
DENSt. LouisDecember 9 to December 14$88
PIEMascoutahDecember 4 to December 7$89
DFWSt. LouisNovember 2 to November 5$108
TPASt. LouisNovember 11 to December 2$124
LAXSt. LouisNovember 13 to November 16$155
PHLSt. LouisNovember 11 to November 13$168
SEASt. LouisJanuary 5 to January 12$197
LGASt. LouisNovember 11 to November 12$222
LGASt. LouisNovember 11 to November 12$222
FCOSt. LouisNovember 23 to November 30$955
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
PIEMascoutahOctober 16 to October 21$204
DFWSt. LouisOctober 16 to October 26$245
DENSt. LouisOctober 18 to October 31$294
ATLSt. LouisOctober 17 to October 21$349
SEASt. LouisOctober 18 to October 26$397
TTNSt. LouisOctober 16 to October 18$440
LGASt. LouisOctober 17 to November 1$448
LGASt. LouisOctober 17 to November 1$448
LAXSt. LouisOctober 17 to October 19$483
TPASt. LouisOctober 16 to October 19$951
*Prices include taxes and fees

Travelers ❤️ These Jefferson County 🏨

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
Pear Tree Inn St. Louis Airport

Pear Tree Inn St. Louis Airport

2.5 out of 5
10810 Pear Tree Ln St. Ann MO
Book a stay at this business-friendly hotel in St. Ann. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions Westport Plaza and Hollywood Casino Amphitheatre are located nearby.
9.2/10 Wonderful! (3,296 reviews)
"Had a quick stay at the Pear Tree in St Ann’s. Arrived at 11:30 pm and the shuttle was prompt, quick and clean. The driver was kind and respectful. The hotel staff was friendly and accommodating at midnight when I arrived. Quiet and comfortable rooms. Slept well but had to leave to early!"

Reviewed on Oct 11, 2026

Opens in a new windowPear Tree Inn St. Louis Airport
Drury Plaza Hotel St. Louis at the Arch

Drury Plaza Hotel St. Louis at the Arch

3 out of 5
2 South 4th Street St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and 2 hot tubs. Our guests praise the breakfast and the pool in our reviews. Popular attractions Enterprise Center and St. Louis Union Station are located nearby.
9.6/10 Exceptional! (3,787 reviews)
"The mattress was old and we kept rolling into the center. Very uncomfortable and we got very little sleep."

Reviewed on Oct 12, 2026

Opens in a new windowDrury Plaza Hotel St. Louis at the Arch
Save an average of 15% on thousands of hotels when you're signed in
Sign in
Sign up, it's free
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 Enterprise Center and St. Louis Union Station are located nearby.
8.6/10 Excellent! (4,353 reviews)
"I love the place. Clean. Staff are friendly & the location is perfect. It’s close to everything. We will comeback again. ❤️"

Reviewed on Oct 12, 2026

Opens in a new windowHyatt Regency St. Louis at The Arch
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.