Cheap flights to Jefferson County

View €74 flight on Sat, 18 Apr 2026Opens in a new window

Popular airlines to Jefferson County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Alaska Airlines

  • Air Canada

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Cheap round-trip flights to Jefferson County

Prices were available within the past 7 days and start at €74 for one-way flights and €147 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 14 Feb - Mon, 16 Feb
ORD
Chicago
STL
St. Louis
€147 Return, found 12 hours ago
€147
Return
found 12 hours ago
Select American Airlines flight, departing Sat, 14 Feb from Chicago to St. Louis, returning Mon, 16 Feb, priced at €147 found 12 hours ago
Delta
Sat, 14 Feb - Mon, 16 Feb
MDW
Chicago
STL
St. Louis
€164 Return, found 12 hours ago
€164
Return
found 12 hours ago
Select Delta flight, departing Sat, 14 Feb from Chicago to St. Louis, returning Mon, 16 Feb, priced at €164 found 12 hours ago
Delta
Sat, 14 Feb - Mon, 16 Feb
ORD
Chicago
STL
St. Louis
€164 Return, found 12 hours ago
€164
Return
found 12 hours ago
Select Delta flight, departing Sat, 14 Feb from Chicago to St. Louis, returning Mon, 16 Feb, priced at €164 found 12 hours ago
American Airlines
Sat, 14 Feb - Mon, 16 Feb
CLE
Cleveland
STL
St. Louis
€210 Return, found 1 day ago
€210
Return
found 1 day ago
Select American Airlines flight, departing Sat, 14 Feb from Cleveland to St. Louis, returning Mon, 16 Feb, priced at €210 found 1 day ago
United
Mon, 9 Mar - Mon, 16 Mar
ORD
Chicago
STL
St. Louis
€260 Return, found 13 hours ago
€260
Return
found 13 hours ago
Select United flight, departing Mon, 9 Mar from Chicago to St. Louis, returning Mon, 16 Mar, priced at €260 found 13 hours ago
American Airlines
Fri, 6 Mar - Sat, 7 Mar
PHL
Philadelphia
STL
St. Louis
€344 Return, found 1 day ago
€344
Return
found 1 day ago
Select American Airlines flight, departing Fri, 6 Mar from Philadelphia to St. Louis, returning Sat, 7 Mar, priced at €344 found 1 day ago
British Airways
Thu, 5 Feb - Mon, 9 Feb
OTP
Bucharest
STL
St. Louis
€565 Return, found 2 days ago
€565
Return
found 2 days ago
Select British Airways flight, departing Thu, 5 Feb from Bucharest to St. Louis, returning Mon, 9 Feb, priced at €565 found 2 days ago
Aer Lingus
Fri, 24 Apr - Mon, 27 Apr
DUB
Dublin
STL
St. Louis
€629 Return, found 2 days ago
€629
Return
found 2 days ago
Select Aer Lingus flight, departing Fri, 24 Apr from Dublin to St. Louis, returning Mon, 27 Apr, priced at €629 found 2 days ago
Air France
Wed, 4 Feb - Sun, 8 Feb
OTP
Bucharest
STL
St. Louis
€698 Return, found 4 days ago
€698
Return
found 4 days ago
Select Air France flight, departing Wed, 4 Feb from Bucharest to St. Louis, returning Sun, 8 Feb, priced at €698 found 4 days ago
KLM
Thu, 5 Feb - Mon, 9 Feb
OTP
Bucharest
STL
St. Louis
€699 Return, found 2 days ago
€699
Return
found 2 days ago
Select KLM flight, departing Thu, 5 Feb from Bucharest to St. Louis, returning Mon, 9 Feb, priced at €699 found 2 days ago

About Jefferson County

Expedia offers flights to Jefferson County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Jefferson County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Trending flights to Jefferson County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Fri, 24 Apr - Mon, 27 Apr
DUB
Dublin
STL
St. Louis
€629 Return, found 2 days ago
€629
Return
found 2 days ago
Select Aer Lingus flight, departing Fri, 24 Apr from Dublin to St. Louis, returning Mon, 27 Apr, priced at €629 found 2 days ago
*Available to Expedia members.