Cheap flights to Knox County

View €81 flight on Sun, 18 Jan 2026Opens in a new window

Popular airlines to Knox County

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Spirit Airlines

    Spirit Airlines

  • Frontier Airlines

    Frontier Airlines

  • Alaska Airlines

    Alaska 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 €162 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 17 Jan - Sun, 18 Jan
ORD
Chicago
CMH
Columbus
€162 Return, found 18 hours ago
€162
Return
found 18 hours ago
Select American Airlines flight, departing Sat, 17 Jan from Chicago to Columbus, returning Sun, 18 Jan, priced at €162 found 18 hours ago
American Airlines
Sat, 17 Jan - Sun, 18 Jan
BOS
Boston
CMH
Columbus
€163 Return, found 2 days ago
€163
Return
found 2 days ago
Select American Airlines flight, departing Sat, 17 Jan from Boston to Columbus, returning Sun, 18 Jan, priced at €163 found 2 days ago
Delta
Sat, 17 Jan - Sun, 18 Jan
ORD
Chicago
CMH
Columbus
€179 Return, found 18 hours ago
€179
Return
found 18 hours ago
Select Delta flight, departing Sat, 17 Jan from Chicago to Columbus, returning Sun, 18 Jan, priced at €179 found 18 hours ago
United
Sat, 17 Jan - Sun, 18 Jan
ORD
Chicago
CMH
Columbus
€188 Return, found 18 hours ago
€188
Return
found 18 hours ago
Select United flight, departing Sat, 17 Jan from Chicago to Columbus, returning Sun, 18 Jan, priced at €188 found 18 hours ago
Delta
Sat, 17 Jan - Sun, 18 Jan
MDW
Chicago
CMH
Columbus
€195 Return, found 18 hours ago
€195
Return
found 18 hours ago
Select Delta flight, departing Sat, 17 Jan from Chicago to Columbus, returning Sun, 18 Jan, priced at €195 found 18 hours ago
American Airlines
Tue, 7 Apr - Sat, 11 Apr
ORD
Chicago
CMH
Columbus
€197 Return, found 2 days ago
€197
Return
found 2 days ago
Select American Airlines flight, departing Tue, 7 Apr from Chicago to Columbus, returning Sat, 11 Apr, priced at €197 found 2 days ago
American Airlines
Sat, 17 Jan - Sun, 18 Jan
BOS
Boston
CMH
Columbus
€205 Return, found 2 days ago
€205
Return
found 2 days ago
Select American Airlines flight, departing Sat, 17 Jan from Boston to Columbus, returning Sun, 18 Jan, priced at €205 found 2 days ago
American Airlines
Tue, 7 Apr - Sat, 11 Apr
ORD
Chicago
CMH
Columbus
€206 Return, found 2 days ago
€206
Return
found 2 days ago
Select American Airlines flight, departing Tue, 7 Apr from Chicago to Columbus, returning Sat, 11 Apr, priced at €206 found 2 days ago
British Airways
Thu, 5 Mar - Sun, 8 Mar
BUD
Budapest
CMH
Columbus
€449 Return, found 4 days ago
€449
Return
found 4 days ago
Select British Airways flight, departing Thu, 5 Mar from Budapest to Columbus, returning Sun, 8 Mar, priced at €449 found 4 days ago
Iberia
Wed, 14 Jan - Sun, 18 Jan
BUD
Budapest
CMH
Columbus
€487 Return, found 15 hours ago
€487
Return
found 15 hours ago
Select Iberia flight, departing Wed, 14 Jan from Budapest to Columbus, returning Sun, 18 Jan, priced at €487 found 15 hours 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 €162. 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 Chicago (ORD), you could've picked up a low-cost fare for just €81 in the last seven days. Return flights to Knox County ranged from €162 to €632 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 €162 to €632 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
Fri, 6 Feb - Sat, 14 Feb
DUB
Dublin
CMH
Columbus
€632 Return, found 4 days ago
€632
Return
found 4 days ago
Select American Airlines flight, departing Fri, 6 Feb from Dublin to Columbus, returning Sat, 14 Feb, priced at €632 found 4 days ago
*Available to Expedia members.