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Flight Destinations in Knox County

View ฿8,715 flight on Thu, 20 Aug 2026Opens in a new window

Popular airlines to Knox County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

  • Frontier Airlines

  • Breeze Airways

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Cheap round-trip flights to Knox County

Prices were available within the past 7 days and start at ฿8,715 for one-way flights and ฿17,310 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, 23 Aug - Sun, 30 Aug
PHL
Philadelphia
CMH
Columbus
฿17,310 Return, found 23 hours ago
฿17,310
Return
found 23 hours ago
Select Delta flight, departing Sun, 23 Aug from Philadelphia to Columbus, returning Sun, 30 Aug, priced at ฿17,310 found 23 hours ago
Delta
Sun, 23 Aug - Sun, 30 Aug
PHL
Philadelphia
CMH
Columbus
฿18,145 Return, found 23 hours ago
฿18,145
Return
found 23 hours ago
Select Delta flight, departing Sun, 23 Aug from Philadelphia to Columbus, returning Sun, 30 Aug, priced at ฿18,145 found 23 hours ago
United
Sun, 23 Aug - Sun, 30 Aug
PHL
Philadelphia
CMH
Columbus
฿18,980 Return, found 23 hours ago
฿18,980
Return
found 23 hours ago
Select United flight, departing Sun, 23 Aug from Philadelphia to Columbus, returning Sun, 30 Aug, priced at ฿18,980 found 23 hours ago
Delta
Sun, 23 Aug - Sun, 30 Aug
PHL
Philadelphia
CMH
Columbus
฿19,645 Return, found 23 hours ago
฿19,645
Return
found 23 hours ago
Select Delta flight, departing Sun, 23 Aug from Philadelphia to Columbus, returning Sun, 30 Aug, priced at ฿19,645 found 23 hours ago
American Airlines
Sun, 23 Aug - Sun, 30 Aug
PHL
Philadelphia
CMH
Columbus
฿19,650 Return, found 23 hours ago
฿19,650
Return
found 23 hours ago
Select American Airlines flight, departing Sun, 23 Aug from Philadelphia to Columbus, returning Sun, 30 Aug, priced at ฿19,650 found 23 hours ago
Air Canada
Mon, 5 Oct - Mon, 26 Oct
BKK
Bangkok
CMH
Columbus
฿35,555 Return, found 3 days ago
฿35,555
Return
found 3 days ago
Select Air Canada flight, departing Mon, 5 Oct from Bangkok to Columbus, returning Mon, 26 Oct, priced at ฿35,555 found 3 days ago
Korean Air
Wed, 30 Sept - Mon, 5 Oct
BKK
Bangkok
CMH
Columbus
฿38,378 Return, found 18 hours ago
฿38,378
Return
found 18 hours ago
Select Korean Air flight, departing Wed, 30 Sept from Bangkok to Columbus, returning Mon, 5 Oct, priced at ฿38,378 found 18 hours ago
Cathay Pacific
Wed, 30 Sept - Mon, 5 Oct
BKK
Bangkok
CMH
Columbus
฿38,415 Return, found 18 hours ago
฿38,415
Return
found 18 hours ago
Select Cathay Pacific flight, departing Wed, 30 Sept from Bangkok to Columbus, returning Mon, 5 Oct, priced at ฿38,415 found 18 hours ago
ITA Airways
Sat, 25 Jul - Wed, 29 Jul
FLR
Florence
CMH
Columbus
฿38,905 Return, found 22 hours ago
฿38,905
Return
found 22 hours ago
Select ITA Airways flight, departing Sat, 25 Jul from Florence to Columbus, returning Wed, 29 Jul, priced at ฿38,905 found 22 hours ago
Korean Air
Sat, 31 Oct - Mon, 2 Nov
CNX
Chiang Mai
CMH
Columbus
฿39,668 Return, found 1 day ago
฿39,668
Return
found 1 day ago
Select Korean Air flight, departing Sat, 31 Oct from Chiang Mai to Columbus, returning Mon, 2 Nov, priced at ฿39,668 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.

Air Canada
Mon, 5 Oct - Mon, 26 Oct
BKK
Bangkok
CMH
Columbus
฿35,555 Return, found 3 days ago
฿35,555
Return
found 3 days ago
Select Air Canada flight, departing Mon, 5 Oct from Bangkok to Columbus, returning Mon, 26 Oct, priced at ฿35,555 found 3 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 ฿17,310. 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 Philadelphia (PHL), you could've picked up a low-cost fare for just ฿8,715 in the last seven days. Return flights to Knox County ranged from ฿17,310 to ฿41,890 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 ฿17,310 to ฿41,890 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

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.
About Knox County
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