Cheap Flights to Knox County from $61

October is the cheapest month to travel to Knox County. Demand is lower then, so you're likely to get a good deal. Planning your trip outside of public holidays and school breaks can also help you save.

New York, Washington and Dallas generally have cheap flights to Knox County. Keep in mind that prices may vary based on factors like time of year, number of stopovers and demand.

You can fly to Knox County directly from 150 US cities. To find a nonstop trip, select "Direct flights only" when browsing for flights to Knox County on Expedia. Then, explore your choices and find the best departure from any of these cities:

• New York
• Washington
• Dallas
• Boston
• Phoenix

Book your trip early to score cheap flights to Knox County. Also, consider traveling during off-peak months like January and February. If you leave on a Thursday, you'll save an average of 16% compared to departing on a Sunday.* Save time searching every day and set up a price alert on the Expedia app. We'll send you a notification when fares change.

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

While booking in advance is generally the easiest way to save cash, don't worry if your Knox County vacation is last minute. You can still find cheap flights to Knox County, especially if your plans have a little wiggle room. Try changing your travel dates, exploring different ticket options or flying out of an alternative hub.

Get the departure dates you want and a price that suits your budget by booking your domestic flight to Knox County up to 28 days in advance. Lock in tickets two to four months ahead if you're headed to Knox County from an international destination.*

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Sundays are typically the best day to book a cheap flight to Knox County, where you can save 8% on average compared to Fridays. If you choose to purchase tickets on a Friday, expect to pay more as this is typically the most expensive day.*

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

When you're ready to lock in your ticket to Knox County, these well-known airlines look forward to welcoming you on board:

• American Airlines - 212 flights to Knox County each month, including 212 flights to Quad City Intl. Airport (MLI) per month.
• United Airlines - 143 flights to Knox County each month, including 143 flights to Quad City Intl. Airport (MLI) per month.
• Delta Air Lines - 60 flights to Knox County each month, including 60 flights to Quad City Intl. Airport (MLI) per month.

Knox County's main point of arrival is Quad City Intl. Airport (MLI). If you'd like more nearby choices when flying to Knox County, consider Greater Peoria Regional Airport (PIA), Southeast Iowa Regional Airport (BRL) or Galesburg, IL (GBG-Galesburg Municipal). You can also opt to fly to Knox County through Macomb, IL (MQB-Macomb Municipal).

Book a Knox County flight and hotel package deal on Expedia, and you can make significant savings. It's a breeze to bundle your flights and accommodations, and you can also add activities and car rentals to create your own personalized Knox County trip. Plus, nothing beats the convenience of booking everything in one place.

If you reserved your flight to Knox County in the last 24 hours, you can usually cancel or change it without fees. After that, additional charges may apply depending on the airline's rules and restrictions. To learn more, check out our Customer Service Portal. Bear in mind that some flights are non-refundable, so you may be issued a credit for a future flight instead of a direct refund. When browsing on Expedia, check the "Changes included" or "No cancel fee" boxes to see fares with flexible change policies.