Cheap flights to Knox County

View €104 flight on Sat, 18 Apr 2026Opens in a new window

Popular airlines to Knox County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

  • Spirit 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 €104 for one-way flights and €208 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 18 Apr - Mon, 20 Apr
ORD
Chicago
CMH
Columbus
€208 Return, found 6 days ago
€208
Return
found 6 days ago
Select American Airlines flight, departing Sat, 18 Apr from Chicago to Columbus, returning Mon, 20 Apr, priced at €208 found 6 days ago
Delta
Sat, 18 Apr - Mon, 20 Apr
ORD
Chicago
CMH
Columbus
€225 Return, found 6 days ago
€225
Return
found 6 days ago
Select Delta flight, departing Sat, 18 Apr from Chicago to Columbus, returning Mon, 20 Apr, priced at €225 found 6 days ago
Delta
Fri, 1 May - Mon, 4 May
DEN
Denver
CMH
Columbus
€257 Return, found 7 hours ago
€257
Return
found 7 hours ago
Select Delta flight, departing Fri, 1 May from Denver to Columbus, returning Mon, 4 May, priced at €257 found 7 hours ago
United
Sat, 18 Apr - Mon, 20 Apr
ORD
Chicago
CMH
Columbus
€268 Return, found 6 days ago
€268
Return
found 6 days ago
Select United flight, departing Sat, 18 Apr from Chicago to Columbus, returning Mon, 20 Apr, priced at €268 found 6 days ago
American Airlines
Fri, 20 Nov - Sat, 28 Nov
DUB
Dublin
CMH
Columbus
€704 Return, found 4 days ago
€704
Return
found 4 days ago
Select American Airlines flight, departing Fri, 20 Nov from Dublin to Columbus, returning Sat, 28 Nov, priced at €704 found 4 days ago
British Airways
Sat, 21 Nov - Sun, 29 Nov
DUB
Dublin
CMH
Columbus
€724 Return, found 4 days ago
€724
Return
found 4 days ago
Select British Airways flight, departing Sat, 21 Nov from Dublin to Columbus, returning Sun, 29 Nov, priced at €724 found 4 days ago
Finnair
Fri, 8 May - Sat, 23 May
DUB
Dublin
CMH
Columbus
€745 Return, found 11 hours ago
€745
Return
found 11 hours ago
Select Finnair flight, departing Fri, 8 May from Dublin to Columbus, returning Sat, 23 May, priced at €745 found 11 hours ago
British Airways
Thu, 16 Apr - Mon, 20 Apr
ORK
Cork
CMH
Columbus
€784 Return, found 3 days ago
€784
Return
found 3 days ago
Select British Airways flight, departing Thu, 16 Apr from Cork to Columbus, returning Mon, 20 Apr, priced at €784 found 3 days ago
Iberia
Sun, 24 May - Sun, 7 Jun
DUB
Dublin
CMH
Columbus
€790 Return, found 3 days ago
€790
Return
found 3 days ago
Select Iberia flight, departing Sun, 24 May from Dublin to Columbus, returning Sun, 7 Jun, priced at €790 found 3 days ago
ITA Airways
Thu, 16 Apr - Mon, 20 Apr
ATH
Athens
CMH
Columbus
€884 Return, found 1 day ago
€884
Return
found 1 day ago
Select ITA Airways flight, departing Thu, 16 Apr from Athens to Columbus, returning Mon, 20 Apr, priced at €884 found 1 day ago

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, 20 Nov - Sat, 28 Nov
DUB
Dublin
CMH
Columbus
€704 Return, found 4 days ago
€704
Return
found 4 days ago
Select American Airlines flight, departing Fri, 20 Nov from Dublin to Columbus, returning Sat, 28 Nov, priced at €704 found 4 days ago

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 €208. 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 €104 in the last seven days. Return flights to Knox County ranged from €208 to €884 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 €208 to €884 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.

Book with confidence

About Knox County

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About Knox County

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