$51 Cheap flights to Knox County

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

Top places to visit in Knox County

A historic building with green cornerstones and a star on the window.
FlightsFlights
FlightsFlights

Galesburg

Galesburg

Cheap flights to Knox County from $51 One Way, $98 Round Trip

$98 return flights and $51 one-way flights to Knox County were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Dec 5 - Sat, Dec 12
PIE
St. Petersburg
MLI
Moline
$98 Roundtrip, found 2 days ago
$98
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Sat, Dec 5 from St. Petersburg to Moline, returning Sat, Dec 12, priced at $98 found 2 days ago
Wed, Oct 28 - Wed, Nov 4
SFB
Orlando
PIA
Peoria
$124 Roundtrip, found 1 day ago
$124
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Wed, Oct 28 from Orlando to Peoria, returning Wed, Nov 4, priced at $124 found 1 day ago
Thu, Dec 3 - Sun, Dec 6
SFB
Orlando
MLI
Moline
$133 Roundtrip, found 3 days ago
$133
Roundtrip
found 3 days ago
Select Allegiant Air flight, departing Thu, Dec 3 from Orlando to Moline, returning Sun, Dec 6, priced at $133 found 3 days ago
Thu, Dec 3 - Thu, Dec 10
PIE
St. Petersburg
PIA
Peoria
$135 Roundtrip, found 3 days ago
$135
Roundtrip
found 3 days ago
Select Allegiant Air flight, departing Thu, Dec 3 from St. Petersburg to Peoria, returning Thu, Dec 10, priced at $135 found 3 days ago
Sat, Oct 24 - Sat, Oct 31
AZA
Mesa
MLI
Moline
$148 Roundtrip, found 2 days ago
$148
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Sat, Oct 24 from Mesa to Moline, returning Sat, Oct 31, priced at $148 found 2 days ago
Tue, Nov 24 - Mon, Nov 30
LAS
Las Vegas
MLI
Moline
$149 Roundtrip, found 3 days ago
$149
Roundtrip
found 3 days ago
Select Allegiant Air flight, departing Tue, Nov 24 from Las Vegas to Moline, returning Mon, Nov 30, priced at $149 found 3 days ago

Deals For This Weekend's Flights

OriginDestinationTravel DatesFlights From*
DENPeoriaOctober 4 to October 11$332
ATLPeoriaOctober 2 to October 4$434
AUSPeoriaOctober 2 to October 5$434
LASMolineOctober 4 to October 8$463
DENMolineOctober 2 to October 4$468
SEAPeoriaOctober 2 to October 5$545
ATLMolineOctober 2 to October 4$576
SANMolineOctober 2 to October 4$766
SEAMolineOctober 2 to October 7$856
AUSMolineOctober 4 to October 5$868
*Prices include taxes and fees

Find The Perfect Hotel For After Your Flight

Score Epic Knox County Accommodation Deals

AmericInn by Wyndham Galesburg

AmericInn by Wyndham Galesburg

3 out of 5
2284 Promenade Ct Galesburg IL
Fully refundableReserve now, pay when you stay
$93 nightly
The price is $108 total per night from Sep 27 to Sep 28
$108 total
Sep 27 - Sep 28
Total with taxes and fees
Stay at this hotel in Galesburg. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. Popular attractions Lakeside ...
8/10 Very Good! (1,001 reviews)
"I have never cancelled a hotel after walking in the room. The smell of mildew when you walked into the room was red flag number one. The bed cover had some crusty like material on it along with what looked like stains you would see in someone’s underwear that did not wipe properly. We curiously looked ..."

Reviewed on Sep 25, 2026

Opens in a new windowAmericInn by Wyndham Galesburg
Baymont by Wyndham Galesburg

Baymont by Wyndham Galesburg

2.5 out of 5
2285 Washington St Galesburg IL
Fully refundableReserve now, pay when you stay
$80 nightly
The price is $93 total per night from Oct 18 to Oct 19
$93 total
Oct 18 - Oct 19
Total with taxes and fees
Book a stay at this business-friendly hotel in Galesburg. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
7.8/10 Good! (1,001 reviews)
"Very disappointing stay. We arrived expecting a Wyndham property, only to find that the hotel had been switched to a Choice property and was undergoing major renovations. Our first room, 218, had a strange odor, and we discovered what appeared to be black mold covering the bathroom ceiling. We immediately ..."

Reviewed on Sep 17, 2026

Opens in a new windowBaymont by Wyndham Galesburg
Best Western Prairie Inn & Conference Center

Best Western Prairie Inn & Conference Center

3 out of 5
300 South Soangetaha Road Galesburg IL
Fully refundableReserve now, pay when you stay
$92 nightly
The price is $108 total per night from Oct 1 to Oct 2
$108 total
Oct 1 - Oct 2
Total with taxes and fees
Book a stay at this business-friendly hotel in Galesburg. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
Opens in a new windowBest Western Prairie Inn & Conference Center
Save an average of 15% on thousands of hotels when you're signed in
Sign in
Sign up, it's free
Fairfield Inn & Suites Galesburg

Fairfield Inn & Suites Galesburg

3 out of 5
901 W Carl Sandburg Dr Galesburg IL
Fully refundableReserve now, pay when you stay
$118 nightly
The price is $138 total per night from Oct 1 to Oct 2
$138 total
Oct 1 - Oct 2
Total with taxes and fees
Book a stay at this business-friendly hotel in Galesburg. Enjoy free breakfast, free WiFi, and parking (surcharge). Our guests praise the helpful staff in our ...
Opens in a new windowFairfield Inn & Suites Galesburg
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Need a Car For After Your Flight?

Economy

Chevrolet Spark
  • 4 people
Chevrolet Spark
Economy Chevrolet Spark

Compact

Ford Focus
  • 4 people
Ford Focus
Compact Ford Focus

Midsize

Toyota Corolla
  • 5 people
Toyota Corolla
Midsize Toyota Corolla

SUV

Jeep Compass
  • 5 people
Jeep Compass
SUV Jeep Compass

Knox County

Reach your destination without breaking your budget by booking your flights to Knox County using Orbitz. We offer access to all of the best discounts on airfare, travel accommodations and even car rentals. Planning your trip and saving money are easier with Orbitz.

Get Discount Rates On Your Knox County Flight

Whether planning ahead or deciding to book your trip at the last minute, Orbitz will provide the lowest rates on Knox County flights. Using our free mobile phone apps will make you privy to a number of discounts that are unique to mobile phone users. These are perfect for harried travelers who want to find deals that they can qualify for on the same day.

Make Orbitz Your Official Travel Planner

Orbitz can be used for much more than comparing and booking a discount flight to Knox County. We also offer a variety of resources for securing the ideal travel accommodations while staying on budget. Travel tips, hotel reviews, customized suggestions and even detailed images can all be accessed through your mobile phone.

Build A Comprehensive Travel Itinerary

In addition to booking a low cost flight to Knox County, you can learn about the best places to visit, the best hotels to stay in and the preferred times for traveling. When you use Orbitz mobile phone apps you can also share your travel itineraries with friends and family members, all with just a few quick taps.

Using Orbitz to secure your Knox County flights can save you money and time. Perfect for both the early travel planner and the last minute journey: Orbitz offers phenomenal customer service and unbeatable convenience.

.

Frequently asked questions

Which airlines fly to Knox County?
You're spoiled for choice with 12 major airlines that jet into Quad City Intl. Airport (MLI). Compare airfares and find yourself a bargain flight to Knox County with any one of these top domestic carriers:

  • United Airlines - 70 flights to Knox County per month
  • American Airlines - 54 flights to Knox County per month
  • Delta - 33 flights to Knox County per month

How much is a flight to Knox County?
Travelers from near and far scored round-trip flight deals ranging from $98 to $868 this week. Kicking off your journey from St. Petersburg (PIE)? The most affordable one-way fares started at just $51.
How to book the cheapest flight to Knox County?
Using Orbitz, you'll uncover some of the most exciting flight deals around from a big range of airlines. But if you'd like to heighten your chances of snapping up cheap flights to Knox County, here are some pointers designed to help:

  • Departing from or landing at nearby airports can sometimes be cheaper. Type in your preferred departure and arrival points. Next, select the 'Nearby airports' function below to see your options.
  • If your plans aren't carved in stone, click on the 'Show flexible dates' link to view the flight deals for multiple departure dates. Go with any suitable cheaper fare you find.
  • To refine your results, click on 'Show options.' You can search based on airlines, seating class, nonstop flights and refundable flights. You can also choose your preferred departure and arrival times under 'Sort & Filter' to the left.
  • The early bird catches the best deals, so book as soon as you've worked out your travel dates. The cheapest airfares go like hotcakes and prices normally rise as the departure date nears.
  • Make serious savings on your adventure by bundling your flights, hotels and car rental into one handy package. Your wallet will thank you for it.
  • Flying during peak season means expensive airfares. If possible, plan your vacation outside of popular periods, such as Thanksgiving, New Year's Eve and Easter.

What is the best time to book a flight to Knox County?
Purchase your seats to Knox County in January. This is a fantastic month for low prices, closely followed by February and August. Catch cheap flights and let your dream vacation come true with Orbitz.
What day of the week is the cheapest to book a flight to Knox County?
Make a booking on a Tuesday, Wednesday or Saturday. Typically, these are the cheapest days of the week to purchase seats to Knox County. The vacation of your dreams starts with an incredible flight deal!
What is the cheapest day of the week to fly to Knox County?
You can land cheap flights to Knox County by hopping on a plane on a Monday, according to Orbitz data from 2020. Tuesday is the next most affordable day, while Saturday has the most costly airfares. Whether you prefer to stretch your travel budget or fly whenever is convenient, you'll always get a good deal with Orbitz.
What is the cheapest month to fly to Knox County?
Based on Orbitz data, you should fly out in August. This is generally an excellent month to land cheap flights to Knox County. It's worth bearing in mind that the most expensive time to jet off is during the month of June.
Which airlines allow free cancellation?
Plans change, and we think your ticket should be able to do the same. That's why Orbitz makes it easy to search for flights with no change fees and free cancellation. Just enter your departure and arrival points and then click on "Filter by flexible change policies." Now that's peace of mind!
What do I need for the flight to Knox County?
There's nothing like jetting off on an adventure, but it's smart to be prepared. This list of top tips will help get your journey off to a great start:

  • Before you step on board the plane, you'll need to show a valid form of government ID, like your passport. You'll also need your boarding pass. If you're traveling with the kids, check with your airline about which documents they require — if any.
  • To keep you amused on the short hop to Knox County, download your favorite tracks or restock the podcast library on your smartphone. Food can also be a delicious distraction while in the air, so pack some light snacks.
  • Even if you're traveling when it's 90 degrees outside, take a hoodie or sweater on board with you. Airplane cabins can get downright chilly.

How do I get cheap first-class/business deals to Knox County?
Smart travelers have a knack for finding first or business-class flights to Knox County without the eye-watering price tag. Be like them with these useful hints:

  • Be more flexible with your travel dates and wait for big sales on first or business-class airfares.
  • Look for a budget airline that has business-class seats. They often come with extra space and a glass of Champagne — but at a more affordable price.
  • Bid for an upgrade in online auctions (if available) or upgrade your seat with your frequent flyer points.

What is the best time to go to Knox County?
If you want to soak up the vibe of Knox County in the peak season, March, April and June are the top months to visit. June 20 signals the first day of summertime in the Northern Hemisphere and is an excellent time to go if you love the open air. At this time of the year, average daily temperatures normally range from 65 ºF to 80 ºF.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.