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 14 hours ago
€147
Return
found 14 hours ago
Select American Airlines flight, departing Sat, 14 Feb from Chicago to St. Louis, returning Mon, 16 Feb, priced at €147 found 14 hours ago
Delta
Sat, 14 Feb - Mon, 16 Feb
MDW
Chicago
STL
St. Louis
€164 Return, found 14 hours ago
€164
Return
found 14 hours ago
Select Delta flight, departing Sat, 14 Feb from Chicago to St. Louis, returning Mon, 16 Feb, priced at €164 found 14 hours ago
Delta
Sat, 14 Feb - Mon, 16 Feb
ORD
Chicago
STL
St. Louis
€164 Return, found 14 hours ago
€164
Return
found 14 hours ago
Select Delta flight, departing Sat, 14 Feb from Chicago to St. Louis, returning Mon, 16 Feb, priced at €164 found 14 hours ago
United
Mon, 9 Mar - Mon, 16 Mar
ORD
Chicago
STL
St. Louis
€260 Return, found 14 hours ago
€260
Return
found 14 hours ago
Select United flight, departing Mon, 9 Mar from Chicago to St. Louis, returning Mon, 16 Mar, priced at €260 found 14 hours ago
Swiss International Air Lines
Wed, 22 Apr - Wed, 29 Apr
LHR
London
STL
St. Louis
€523 Return, found 4 hours ago
€523
Return
found 4 hours ago
Select Swiss International Air Lines flight, departing Wed, 22 Apr from London to St. Louis, returning Wed, 29 Apr, priced at €523 found 4 hours ago
Lufthansa
Sun, 19 Apr - Sun, 26 Apr
LHR
London
STL
St. Louis
€524 Return, found 4 hours ago
€524
Return
found 4 hours ago
Select Lufthansa flight, departing Sun, 19 Apr from London to St. Louis, returning Sun, 26 Apr, priced at €524 found 4 hours ago
American Airlines
Thu, 5 Mar - Wed, 18 Mar
CDG
Paris
STL
St. Louis
€526 Return, found 1 hour ago
€526
Return
found 1 hour ago
Select American Airlines flight, departing Thu, 5 Mar from Paris to St. Louis, returning Wed, 18 Mar, priced at €526 found 1 hour ago
Iberia
Thu, 5 Mar - Wed, 18 Mar
CDG
Paris
STL
St. Louis
€526 Return, found 1 hour ago
€526
Return
found 1 hour ago
Select Iberia flight, departing Thu, 5 Mar from Paris to St. Louis, returning Wed, 18 Mar, priced at €526 found 1 hour ago
British Airways
Tue, 24 Feb - Mon, 9 Mar
CDG
Paris
STL
St. Louis
€528 Return, found 5 hours ago
€528
Return
found 5 hours ago
Select British Airways flight, departing Tue, 24 Feb from Paris to St. Louis, returning Mon, 9 Mar, priced at €528 found 5 hours ago
Austrian Airlines
Sat, 21 Feb - Sat, 28 Feb
LHR
London
STL
St. Louis
€544 Return, found 2 days ago
€544
Return
found 2 days ago
Select Austrian Airlines flight, departing Sat, 21 Feb from London to St. Louis, returning Sat, 28 Feb, priced at €544 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.