Cheap flights to Knox County

View €81 flight on Mon, 9 Feb 2026Opens in a new window

Popular airlines to Knox County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Spirit Airlines

    Spirit Airlines

  • Alaska Airlines

    Alaska Airlines

  • Frontier Airlines

    Frontier Airlines

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Cheap round-trip flights to Knox County

Prices were available within the past 7 days and start at €81 for one-way flights and €155 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 6 Mar - Sun, 8 Mar
ATL
Atlanta
CMH
Columbus
€155 Return, found 17 hours ago
€155
Return
found 17 hours ago
Select Delta flight, departing Fri, 6 Mar from Atlanta to Columbus, returning Sun, 8 Mar, priced at €155 found 17 hours ago
American Airlines
Fri, 30 Jan - Sun, 1 Feb
ATL
Atlanta
CMH
Columbus
€172 Return, found 5 days ago
€172
Return
found 5 days ago
Select American Airlines flight, departing Fri, 30 Jan from Atlanta to Columbus, returning Sun, 1 Feb, priced at €172 found 5 days ago
Delta
Fri, 30 Jan - Sun, 1 Feb
ATL
Atlanta
CMH
Columbus
€172 Return, found 5 days ago
€172
Return
found 5 days ago
Select Delta flight, departing Fri, 30 Jan from Atlanta to Columbus, returning Sun, 1 Feb, priced at €172 found 5 days ago
Delta
Thu, 19 Feb - Sun, 22 Feb
DTW
Detroit
CMH
Columbus
€172 Return, found 15 hours ago
€172
Return
found 15 hours ago
Select Delta flight, departing Thu, 19 Feb from Detroit to Columbus, returning Sun, 22 Feb, priced at €172 found 15 hours ago
Delta
Tue, 9 Jun - Mon, 15 Jun
EWR
New York
CMH
Columbus
€180 Return, found 12 hours ago
€180
Return
found 12 hours ago
Select Delta flight, departing Tue, 9 Jun from New York to Columbus, returning Mon, 15 Jun, priced at €180 found 12 hours ago
American Airlines
Fri, 30 Jan - Sun, 1 Feb
ATL
Atlanta
CMH
Columbus
€196 Return, found 5 days ago
€196
Return
found 5 days ago
Select American Airlines flight, departing Fri, 30 Jan from Atlanta to Columbus, returning Sun, 1 Feb, priced at €196 found 5 days ago
United
Sat, 14 Feb - Sun, 15 Feb
EWR
New York
CMH
Columbus
€211 Return, found 5 days ago
€211
Return
found 5 days ago
Select United flight, departing Sat, 14 Feb from New York to Columbus, returning Sun, 15 Feb, priced at €211 found 5 days ago
American Airlines
Sat, 21 Nov - Sat, 28 Nov
DUB
Dublin
CMH
Columbus
€605 Return, found 4 days ago
€605
Return
found 4 days ago
Select American Airlines flight, departing Sat, 21 Nov from Dublin to Columbus, returning Sat, 28 Nov, priced at €605 found 4 days ago
LOT-Polish Airlines
Tue, 3 Mar - Mon, 9 Mar
VNO
Vilnius
CMH
Columbus
€642 Return, found 1 day ago
€642
Return
found 1 day ago
Select LOT-Polish Airlines flight, departing Tue, 3 Mar from Vilnius to Columbus, returning Mon, 9 Mar, priced at €642 found 1 day ago
British Airways
Sat, 24 Jan - Fri, 6 Feb
DUB
Dublin
CMH
Columbus
€662 Return, found 4 days ago
€662
Return
found 4 days ago
Select British Airways flight, departing Sat, 24 Jan from Dublin to Columbus, returning Fri, 6 Feb, priced at €662 found 4 days ago

About Knox County

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

Frequently asked questions

How do I find cheap flights to Knox County that have flexible change policies?
By using our convenient "No change fee" filter, that's how. All you have to do is enter your preferred dates and destination, click "Search," then click the checkbox directly below the "Flexible change policies" heading (top left-hand side of your screen). Expedia makes it a snap to find flexible and affordable fares to Knox County.
Which airlines fly to Knox County?
When you're ready to lock in your seat to or near Knox County, these quality airlines look forward to welcoming you on board:

  • American Airlines - 1,075 flights to or near Knox County each month, including 1,075 flights to John Glenn Columbus Intl. Airport (CMH) per month.
  • Delta Air Lines - 771 flights to or near Knox County each month, including 771 flights to John Glenn Columbus Intl. Airport (CMH) per month.
  • Southwest Airlines - 663 flights to or near Knox County each month, including 663 flights to John Glenn Columbus Intl. Airport (CMH) per month.

How can I find cheap tickets to Knox County?
One of the best ways to nab cheap tickets to Knox County is to be flexible with your travel dates. Search for your flights, then click "flexible dates" at the top of your results. It will reveal the cheapest prices for nearby days. The lowest price for a flight to Knox County in the last seven days was €155. Booking well ahead will generally help you pick up an even better deal.
How much is a flight to Knox County?
If you were jetting one way from Atlanta (ATL), you could've picked up a low-cost fare for just €81 in the last seven days. Return flights to Knox County ranged from €155 to €662 during this same period.
What are the most popular airports to fly into in Knox County?
Get ready to pack your bags and land at one of these busy Knox County airports:

  • John Glenn Columbus Intl. Airport (CMH) - 3,385 flights per month.
  • Rickenbacker Intl. Airport (LCK) - 121 flights per month.

How much is a plane ticket to Knox County?
Flights to Knox County ranged from €155 to €662 in the last seven days. Normally, the sooner you book the better the deal.
What is the best time to go to Knox County?
A lovely time to go to Mount Vernon is after June 20 when the summer season starts. In Knox County's busiest city, temperatures vary from 16ºC to 27ºC at this time — ideal weather for sightseeing! February, March and April are the most popular months for tourists.
What months are the cheapest to book a flight to Knox County?
To land cheap flights to Knox County, try to book sometime in February when prices are at their cheapest. When's the most costly? In the USA, it's the festive month of December.

Trending flights to Knox 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.

American Airlines
Sat, 21 Nov - Sat, 28 Nov
DUB
Dublin
CMH
Columbus
€605 Return, found 4 days ago
€605
Return
found 4 days ago
Select American Airlines flight, departing Sat, 21 Nov from Dublin to Columbus, returning Sat, 28 Nov, priced at €605 found 4 days ago
*Available to Expedia members.