Cheap Flights to Knox County from ₩296,800

View ₩296,800 flight on Sat, Mar 21, 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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How much is the cheapest flight to Knox County?

Prices were available within the past 7 days and start at ₩296,800 for one-way flights and ₩526,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Mar 18 - Tue, Mar 24
MSY
New Orleans
CMH
Columbus
₩526,400 Roundtrip, found 21 hours ago
₩526,400
Roundtrip
found 21 hours ago
Select Delta flight, departing Wed, Mar 18 from New Orleans to Columbus, returning Tue, Mar 24, priced at ₩526,400 found 21 hours ago
Delta
Wed, Mar 18 - Sun, Mar 29
MSY
New Orleans
CMH
Columbus
₩559,900 Roundtrip, found 21 hours ago
₩559,900
Roundtrip
found 21 hours ago
Select Delta flight, departing Wed, Mar 18 from New Orleans to Columbus, returning Sun, Mar 29, priced at ₩559,900 found 21 hours ago
Delta
Sat, Mar 21 - Sun, Mar 29
MSY
New Orleans
CMH
Columbus
₩593,500 Roundtrip, found 21 hours ago
₩593,500
Roundtrip
found 21 hours ago
Select Delta flight, departing Sat, Mar 21 from New Orleans to Columbus, returning Sun, Mar 29, priced at ₩593,500 found 21 hours ago
United
Tue, Mar 24 - Sat, Mar 28
MSY
New Orleans
CMH
Columbus
₩632,900 Roundtrip, found 21 hours ago
₩632,900
Roundtrip
found 21 hours ago
Select United flight, departing Tue, Mar 24 from New Orleans to Columbus, returning Sat, Mar 28, priced at ₩632,900 found 21 hours ago
Delta
Sat, Jan 24 - Fri, Jan 30
ORD
Chicago
CMH
Columbus
₩639,200 Roundtrip, found 1 day ago
₩639,200
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Jan 24 from Chicago to Columbus, returning Fri, Jan 30, priced at ₩639,200 found 1 day ago
Delta
Sat, Mar 21 - Thu, Mar 26
MSY
New Orleans
CMH
Columbus
₩644,600 Roundtrip, found 21 hours ago
₩644,600
Roundtrip
found 21 hours ago
Select Delta flight, departing Sat, Mar 21 from New Orleans to Columbus, returning Thu, Mar 26, priced at ₩644,600 found 21 hours ago
Delta
Sat, Jan 24 - Fri, Jan 30
ORD
Chicago
CMH
Columbus
₩663,700 Roundtrip, found 1 day ago
₩663,700
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Jan 24 from Chicago to Columbus, returning Fri, Jan 30, priced at ₩663,700 found 1 day ago
American Airlines
Tue, Mar 24 - Thu, Mar 26
MSY
New Orleans
CMH
Columbus
₩691,200 Roundtrip, found 21 hours ago
₩691,200
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Tue, Mar 24 from New Orleans to Columbus, returning Thu, Mar 26, priced at ₩691,200 found 21 hours ago
Hawaiian Airlines
Sat, Jan 31 - Wed, Feb 25
ICN
Seoul
CMH
Columbus
₩1,141,400 Roundtrip, found 6 days ago
₩1,141,400
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Jan 31 from Seoul to Columbus, returning Wed, Feb 25, priced at ₩1,141,400 found 6 days ago
Alaska Airlines
Thu, Mar 5 - Sat, Apr 18
ICN
Seoul
CMH
Columbus
₩1,155,100 Roundtrip, found 6 days ago
₩1,155,100
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, Mar 5 from Seoul to Columbus, returning Sat, Apr 18, priced at ₩1,155,100 found 6 days ago

About Knox County

Expedia offers flights to Knox County to meet every traveler'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 ₩526,400. 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 New Orleans (MSY), you could've picked up a low-cost fare for just ₩296,800 in the last seven days. Return flights to Knox County ranged from ₩526,400 to ₩1,296,100 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.

When is the cheapest time to fly to Knox County?
Take off for Knox County early on in the week and you'll usually be rewarded more economical fares. Tuesday is typically the cheapest day to get on a plane, closely followed by Monday. If you want to avoid the costliest flights, steer clear of Saturdays.
How much is a plane ticket to Knox County?
Flights to Knox County ranged from ₩526,400 to ₩1,296,100 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 60ºF to 80ºF 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, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, Jan 31 - Wed, Feb 25
ICN
Seoul
CMH
Columbus
₩1,141,400 Roundtrip, found 6 days ago
₩1,141,400
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Jan 31 from Seoul to Columbus, returning Wed, Feb 25, priced at ₩1,141,400 found 6 days ago
*Available to Expedia members.