Cheap flights to Jefferson County

View €212 flight on Fri, 3 Jul 2026Opens in a new window

Popular airlines to Jefferson County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

  • Breeze Airways

  • Lufthansa

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 15% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Jefferson County

Prices were available within the past 7 days and start at €212 for one-way flights and €339 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 4 Jul - Mon, 6 Jul
BOS
Boston
SDF
Louisville
€339 Return, found 5 days ago
€339
Return
found 5 days ago
Select American Airlines flight, departing Sat, 4 Jul from Boston to Louisville, returning Mon, 6 Jul, priced at €339 found 5 days ago
Delta
Sat, 4 Jul - Mon, 6 Jul
BOS
Boston
SDF
Louisville
€339 Return, found 5 days ago
€339
Return
found 5 days ago
Select Delta flight, departing Sat, 4 Jul from Boston to Louisville, returning Mon, 6 Jul, priced at €339 found 5 days ago
American Airlines
Fri, 3 Jul - Mon, 6 Jul
BOS
Boston
SDF
Louisville
€340 Return, found 1 day ago
€340
Return
found 1 day ago
Select American Airlines flight, departing Fri, 3 Jul from Boston to Louisville, returning Mon, 6 Jul, priced at €340 found 1 day ago
Delta
Fri, 3 Jul - Mon, 6 Jul
BOS
Boston
SDF
Louisville
€344 Return, found 1 day ago
€344
Return
found 1 day ago
Select Delta flight, departing Fri, 3 Jul from Boston to Louisville, returning Mon, 6 Jul, priced at €344 found 1 day ago
Delta
Sat, 4 Jul - Mon, 6 Jul
BOS
Boston
SDF
Louisville
€347 Return, found 5 days ago
€347
Return
found 5 days ago
Select Delta flight, departing Sat, 4 Jul from Boston to Louisville, returning Mon, 6 Jul, priced at €347 found 5 days ago
United
Sat, 4 Jul - Mon, 6 Jul
BOS
Boston
SDF
Louisville
€424 Return, found 5 days ago
€424
Return
found 5 days ago
Select United flight, departing Sat, 4 Jul from Boston to Louisville, returning Mon, 6 Jul, priced at €424 found 5 days ago
British Airways
Thu, 5 Nov - Sun, 15 Nov
DUB
Dublin
SDF
Louisville
€732 Return, found 2 days ago
€732
Return
found 2 days ago
Select British Airways flight, departing Thu, 5 Nov from Dublin to Louisville, returning Sun, 15 Nov, priced at €732 found 2 days ago
British Airways
Thu, 5 Nov - Sun, 15 Nov
DUB
Dublin
SDF
Louisville
€732 Return, found 2 days ago
€732
Return
found 2 days ago
Select British Airways flight, departing Thu, 5 Nov from Dublin to Louisville, returning Sun, 15 Nov, priced at €732 found 2 days ago
British Airways
Tue, 27 Oct - Sun, 1 Nov
ORK
Cork
SDF
Louisville
€759 Return, found 1 day ago
€759
Return
found 1 day ago
Select British Airways flight, departing Tue, 27 Oct from Cork to Louisville, returning Sun, 1 Nov, priced at €759 found 1 day ago
Finnair
Thu, 11 Jun - Mon, 15 Jun
DUB
Dublin
SDF
Louisville
€805 Return, found 3 days ago
€805
Return
found 3 days ago
Select Finnair flight, departing Thu, 11 Jun from Dublin to Louisville, returning Mon, 15 Jun, priced at €805 found 3 days ago
Book with confidence

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.

British Airways
Thu, 5 Nov - Sun, 15 Nov
DUB
Dublin
SDF
Louisville
€732 Return, found 2 days ago
€732
Return
found 2 days ago
Select British Airways flight, departing Thu, 5 Nov from Dublin to Louisville, returning Sun, 15 Nov, priced at €732 found 2 days ago

Frequently asked questions

How do I find cheap flights to Jefferson County that have flexible change policies?
It's as easy as counting to three with Expedia. Firstly, enter your preferred travel dates and hit "Search." Next, check "No change fee" directly underneath the "Flexible change policies" heading on the left-hand side of your screen. Step 3. Book your flexible and cheap fare to Jefferson County.
Which airlines fly to Jefferson County?
With a great selection of airlines operating flights into or near Jefferson County, you won't be short of options:

  • American Airlines - 733 flights to or near Jefferson County each month, including 733 flights to Louisville Intl. Airport (SDF) per month.
  • United Airlines - 472 flights to or near Jefferson County each month, including 472 flights to Louisville Intl. Airport (SDF) per month.
  • Delta Air Lines - 450 flights to or near Jefferson County each month, including 450 flights to Louisville Intl. Airport (SDF) per month.

How can I find cheap tickets to Jefferson County?
Book in advance, fly in or out of nearby airports, avoid peak travel periods — you're not short of ways! One more is to take advantage of Expedia's "flexible dates" function. Search for a Jefferson County flight, then compare the cheapest prices for nearby dates. In the last seven days, the lowest price for a flight to Jefferson County was €339.
How much is a flight to Jefferson County?
You could have scored a round-trip ticket to Jefferson County from anywhere between €339 and €805 in the last seven days. For one-way journeys departing from Boston (BOS), the lowest price during this period was €212.
What are the most popular airports to fly into in Jefferson County?
Start organising your Jefferson County getaway by booking a ticket on one of the 2,155 flights per month to Louisville Intl. Airport (SDF). This is the region's main point of entry.
How much is a plane ticket to Jefferson County?
Seats ranged from just €339 to €805 in the last seven days. When you're ready to book, we're here to help pick up a fabulous deal to Jefferson County.
What months are the cheapest to book a flight to Jefferson County?
To snap up a fabulous deal to Jefferson County, try to book sometime in February when prices are at their cheapest. When's the most expensive time? In the U.S, it's December.

Book with confidence

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.
About Jefferson County
*Available to Expedia members.