Cheap flights to Knox County

View €432 flight on Thu, 10 Dec 2026Opens in a new window

Popular airlines to Knox County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • KLM

    KLM

  • Alaska Airlines

    Alaska Airlines

  • Lufthansa

    Lufthansa

  • Air France

    Air France

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Cheap round-trip flights to Knox County

Prices were available within the past 7 days and start at €432 for one-way flights and €640 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 13 Feb - Fri, 20 Feb
DUB
Dublin
MLI
Moline
€640 Return, found 4 hours ago
€640
Return
found 4 hours ago
Select American Airlines flight, departing Fri, 13 Feb from Dublin to Moline, returning Fri, 20 Feb, priced at €640 found 4 hours ago
American Airlines
Fri, 13 Feb - Fri, 20 Feb
DUB
Dublin
MLI
Moline
€646 Return, found 4 hours ago
€646
Return
found 4 hours ago
Select American Airlines flight, departing Fri, 13 Feb from Dublin to Moline, returning Fri, 20 Feb, priced at €646 found 4 hours ago
American Airlines
Fri, 13 Feb - Fri, 20 Feb
DUB
Dublin
MLI
Moline
€647 Return, found 4 hours ago
€647
Return
found 4 hours ago
Select American Airlines flight, departing Fri, 13 Feb from Dublin to Moline, returning Fri, 20 Feb, priced at €647 found 4 hours ago
American Airlines
Thu, 29 Jan - Wed, 4 Feb
DUB
Dublin
PIA
Peoria
€653 Return, found 6 days ago
€653
Return
found 6 days ago
Select American Airlines flight, departing Thu, 29 Jan from Dublin to Peoria, returning Wed, 4 Feb, priced at €653 found 6 days ago
American Airlines
Fri, 30 Jan - Wed, 4 Feb
DUB
Dublin
PIA
Peoria
€655 Return, found 6 days ago
€655
Return
found 6 days ago
Select American Airlines flight, departing Fri, 30 Jan from Dublin to Peoria, returning Wed, 4 Feb, priced at €655 found 6 days ago
American Airlines
Thu, 29 Jan - Sat, 7 Feb
DUB
Dublin
PIA
Peoria
€667 Return, found 6 days ago
€667
Return
found 6 days ago
Select American Airlines flight, departing Thu, 29 Jan from Dublin to Peoria, returning Sat, 7 Feb, priced at €667 found 6 days ago
British Airways
Sun, 12 Apr - Sun, 26 Apr
DUB
Dublin
PIA
Peoria
€693 Return, found 5 days ago
€693
Return
found 5 days ago
Select British Airways flight, departing Sun, 12 Apr from Dublin to Peoria, returning Sun, 26 Apr, priced at €693 found 5 days ago
Swiss International Air Lines
Sun, 1 Mar - Sun, 15 Mar
SOF
Sofia
PIA
Peoria
€701 Return, found 4 days ago
€701
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Sun, 1 Mar from Sofia to Peoria, returning Sun, 15 Mar, priced at €701 found 4 days ago
Lufthansa
Sun, 1 Mar - Sun, 15 Mar
SOF
Sofia
PIA
Peoria
€730 Return, found 4 days ago
€730
Return
found 4 days ago
Select Lufthansa flight, departing Sun, 1 Mar from Sofia to Peoria, returning Sun, 15 Mar, priced at €730 found 4 days ago
United
Sun, 1 Mar - Sun, 15 Mar
SOF
Sofia
PIA
Peoria
€805 Return, found 4 days ago
€805
Return
found 4 days ago
Select United flight, departing Sun, 1 Mar from Sofia to Peoria, returning Sun, 15 Mar, priced at €805 found 4 days 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?
Search for low-cost seats to Knox County, then mark the "No change fee" box below the "Flexible change policies" heading. It's that simple. We know that travel plans can change and flexibility matters, so you can book with confidence with Expedia.
Which airlines fly to Knox County?
Dig out your suitcase and choose from these major airlines that have flights into or near Knox County:

  • American Airlines - 121 flights to or near Knox County each month, including 121 flights to Quad City Intl. Airport (MLI) per month.
  • United Airlines - 108 flights to or near Knox County each month, including 108 flights to Quad City Intl. Airport (MLI) per month.
  • Delta Air Lines - 60 flights to or near Knox County each month, including 60 flights to Quad City Intl. Airport (MLI) per month.

How can I find cheap tickets to Knox County?
Book well ahead of time, fly with budget airlines, use miles or points — there are lots of ways! Another one is to use Expedia's "flexible dates" function. Find a Knox County flight, then check out the cheapest prices for nearby dates. In the last seven days, the lowest price for a flight to Knox County was €640.
How much is a flight to Knox County?
In the last seven days, return airfares to Knox County sold from just €640 and peaked at €805. For one-way fares departing from Sofia (SOF), the lowest amount paid during this same period was €432.
What are the most popular airports to fly into in Knox County?
Start planning your Knox County getaway by securing a seat on one of the 325 flights per month to Quad City Intl. Airport (MLI). This is the region's principal gateway.
How much is a plane ticket to Knox County?
In the last seven days, flights to Knox County ranged from €640 to €805.
What is the best time to go to Knox County?
A fantastic time to explore Knox County, along with the top city of Galesburg, is during the busy months of March, April and June. Summer here starts June 20, and you can expect average temperatures of between 18ºC and 27ºC if you travel then. This warmer weather is ideal for touring around this city's sights.
What months are the cheapest to book a flight to Knox County?
Snap up your ticket in February for incredible flight deals to Knox County. The festive month of December is typically the most expensive time to buy an airfare.

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, 13 Feb - Fri, 20 Feb
DUB
Dublin
MLI
Moline
€640 Return, found 4 hours ago
€640
Return
found 4 hours ago
Select American Airlines flight, departing Fri, 13 Feb from Dublin to Moline, returning Fri, 20 Feb, priced at €640 found 4 hours ago
*Available to Expedia members.