Cheap flights To Knox (RFD) from $55

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Cheap Flights to Knox from $55 One Way, $114 Round Trip

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Fri, Dec 4 - Wed, Dec 9
AZA
Phoenix - Mesa Gateway
RFD
Greater Rockford
$114 Roundtrip, found 1 day ago
$114
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Fri, Dec 4 from Phoenix - Mesa Gateway to Greater Rockford, returning Wed, Dec 9, priced at $114 found 1 day ago
Mon, Jan 25 - Wed, Feb 3
AZA
Phoenix - Mesa Gateway
RFD
Greater Rockford
$124 Roundtrip, found 2 days ago
$124
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Mon, Jan 25 from Phoenix - Mesa Gateway to Greater Rockford, returning Wed, Feb 3, priced at $124 found 2 days ago
Thu, Jan 21 - Thu, Jan 28
PGD
Punta Gorda Airport
MDW
Midway Intl.
$130 Roundtrip, found 4 days ago
$130
Roundtrip
found 4 days ago
Select Allegiant Air flight, departing Thu, Jan 21 from Punta Gorda Airport to Midway Intl., returning Thu, Jan 28, priced at $130 found 4 days ago
Thu, Nov 12 - Sun, Nov 15
LAS
Harry Reid Intl.
RFD
Greater Rockford
$136 Roundtrip, found 6 days ago
$136
Roundtrip
found 6 days ago
Select Allegiant Air flight, departing Thu, Nov 12 from Harry Reid Intl. to Greater Rockford, returning Sun, Nov 15, priced at $136 found 6 days ago
Thu, Feb 4 - Sun, Feb 7
PGD
Punta Gorda Airport
MDW
Midway Intl.
$136 Roundtrip, found 4 days ago
$136
Roundtrip
found 4 days ago
Select Allegiant Air flight, departing Thu, Feb 4 from Punta Gorda Airport to Midway Intl., returning Sun, Feb 7, priced at $136 found 4 days ago
Thu, Jan 14 - Sun, Jan 17
PGD
Punta Gorda Airport
MDW
Midway Intl.
$137 Roundtrip, found 1 day ago
$137
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Thu, Jan 14 from Punta Gorda Airport to Midway Intl., returning Sun, Jan 17, priced at $137 found 1 day ago
Thu, Dec 3 - Sun, Dec 6
LAS
Harry Reid Intl.
SBN
South Bend Intl.
$140 Roundtrip, found 3 days ago
$140
Roundtrip
found 3 days ago
Select Allegiant Air flight, departing Thu, Dec 3 from Harry Reid Intl. to South Bend Intl., returning Sun, Dec 6, priced at $140 found 3 days ago
Thu, Nov 5 - Sun, Nov 15
PGD
Punta Gorda Airport
RFD
Greater Rockford
$140 Roundtrip, found 1 day ago
$140
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Thu, Nov 5 from Punta Gorda Airport to Greater Rockford, returning Sun, Nov 15, priced at $140 found 1 day ago
Sun, Nov 1 - Mon, Nov 2
AZA
Phoenix - Mesa Gateway
SBN
South Bend Intl.
$141 Roundtrip, found 22 hours ago
$141
Roundtrip
found 22 hours ago
Select Allegiant Air flight, departing Sun, Nov 1 from Phoenix - Mesa Gateway to South Bend Intl., returning Mon, Nov 2, priced at $141 found 22 hours ago
Fri, Oct 30 - Mon, Nov 2
AZA
Phoenix - Mesa Gateway
SBN
South Bend Intl.
$142 Roundtrip, found 2 days ago
$142
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Fri, Oct 30 from Phoenix - Mesa Gateway to South Bend Intl., returning Mon, Nov 2, priced at $142 found 2 days ago

Knox Flight Information

Traveling To
Knox
Destination Airport IATA Code
RFD
Number of Airlines Serving
Airlines
Allegiant Air
Flight Price
$114
Earliest Departing Flight
Latest Departing Flight

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Knox economy flight packages

Price found within the past 48 hours. Click for updated prices.
The Allegro Royal Sonesta Hotel Chicago Loop
4.0-star property

The Allegro Royal Sonesta Hotel Chicago Loop

Nov 28 - Dec 1

3 night stay

Denver (DEN) to Chicago (ORD)

Southwest Airlines • Coach

Chicago (ORD) to Denver (DEN)

Frontier Airlines • Coach
Price was $645, price is now $496 per person
$496
per person
found 1 day ago
The Emily Hotel
4.0-star property

The Emily Hotel

Nov 28 - Dec 1

3 night stay

Denver (DEN) to Chicago (ORD)

Southwest Airlines • Coach

Chicago (ORD) to Denver (DEN)

Frontier Airlines • Coach
Price was $867, price is now $647 per person
$647
per person
found 1 day ago
Level Chicago Fulton Market
4.0-star property

Level Chicago Fulton Market

Nov 28 - Dec 1

3 night stay

Denver (DEN) to Chicago (ORD)

Southwest Airlines • Coach

Chicago (ORD) to Denver (DEN)

Frontier Airlines • Coach
Price was $879, price is now $671 per person
$671
per person
found 1 day ago
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See all available trips from Denver to Knox
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Knox first class flight packages

Price found within the past 48 hours. Click for updated prices.
Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

9.4/10 Exceptional! (5,340 reviews)

Nov 25 - Nov 28

3 night stay

Dallas (DFW) to Chicago (ORD)

United • Roundtrip • FirstClass
Price was $1,137, price is now $954 per person
$954
per person
found 13 hours ago
Good location. Nice that breakfast was included but food was mediocre so most mornings we still went elsewhere to eat. Overall no big complaints. The room was clean and comfortable.

Reviewed on Oct 3, 2026

Trump International Hotel & Tower Chicago
5.0-star property

Trump International Hotel & Tower Chicago

9.6/10 Exceptional! (2,035 reviews)

Nov 25 - Nov 28

3 night stay

Dallas (DFW) to Chicago (ORD)

United • Roundtrip • FirstClass
Price was $1,726, price is now $1,315 per person
$1,315
per person
found 13 hours ago

Nobu Hotel Chicago
5.0-star property

Nobu Hotel Chicago

9.4/10 Exceptional! (936 reviews)

Nov 25 - Nov 28

3 night stay

Dallas (DFW) to Chicago (ORD)

United • Roundtrip • FirstClass
Price was $1,370, price is now $1,203 per person
$1,203
per person
found 13 hours ago

Don't see what you're looking for?
See all available trips from Dallas to Knox
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Knox

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You can now book flights to Knox on the new cutting-edge mobile tool for Android or iPhone users. Hotel packages, flight updates and changes can all be accessed using this tool. When you make any reservations or bookings using this service, confirmation will be provided on the same day the request was made. Take advantage of Orbitz friendly service and low cost Knox flights.

Discounted tickets available for flights to Knox

Orbitz offers tickets at a discounted, budget friendly rate that will satisfy all of your travel requirements. Book your Knox flights with us and structure a package that includes car hire, family activities and cheap accommodation. Orbitz will ensure that all your requirements are met, letting you relax and enjoy your holiday as it was intended.

Orbitz offers discounted Knox flights

Discounted flights to Knox ensure that all who want to travel can Take advantage of Orbitz’ guaranteed low prices and affordable packages. You will enjoy a hassle free trip, an up to date travel planner and friendly service.

Traveler profile updates

When flying with Orbitz, take advantage of frequent updates on your flights to Knox. Details and updates are sent to up to six contact numbers to ensure that you are kept abreast of the latest information on Knox flights. Frequent flyer and loyalty membership numbers may be updated within your Orbitz account profile.

Frequently asked questions

Which airlines fly to Knox?
Reserving a flight to Knox is easy — simply pick from 20 airlines that service South Bend Intl. Airport (SBN). When you've arranged your itinerary and packed your luggage, these top domestic carriers will happily welcome you on board:

  • United Airlines - 87 flights to Knox per month
  • American Airlines - 67 flights to Knox per month
  • Delta - 57 flights to Knox per month

How much is a flight to Knox?
Plenty of incredible deals were up for the taking this week, with round-trip flights to Knox fluctuating between $114 and $142. But it was passengers arriving in from Mesa (AZA) who snapped up the biggest bargains. One-way fares to Knox started at a low $55.
How to book the cheapest flight to Knox?
Landing cheap flights to Knox is as easy as booking your ticket with Orbitz. But if you'd like to make sure you're walking away with the best flight deals around, here are a few tips to keep your wallet happy:

  • Depending on your departure point, click on the 'Nearby airports' function (located under the departure and arrival options). Sometimes, alternative departure points offer more value for money.
  • Similarly, click on the 'Show flexible dates' option to view the prices for days around your selected departure. It's possible to score cheaper flight deals if your itinerary is flexible.
  • You can also select the 'Show options' function to filter results for your preferred airline, seating class, nonstop flights and refundable flights. Under 'Sort & Filter' to the left, you can even pick the time of day you'd prefer to fly.
  • Book your fare as soon as you know your travel dates. While you can get lucky on occasion, airfares rarely fall in price as your departure date gets closer.
  • Consider combining your flights, hotels and car rentals into an Orbitz package deal to save cash.
  • Whenever possible, avoid flying in high seasons. Airfares significantly increase during school breaks, summer and around other vacation times like Easter and Thanksgiving.

What is the best time to book a flight to Knox?
Book in January, February or August for competitively priced tickets to Knox. Once you've located a bargain, snap it up — cheap flights will appear and vanish in the click of a mouse.
What day of the week is the cheapest to book a flight to Knox?
In general, Tuesdays, Wednesdays and Saturdays are the cheapest days to book a flight to Knox. If you want unbeatable airfares, search across those days and you just might pick up a great flight deal.
What is the cheapest day of the week to fly to Knox?
According to Orbitz data from 2020, Monday is generally the best day of the week for cheap flights to Knox. Tuesday also offers wallet-friendly fares, while Saturday has the highest ticket prices. Although leaving at the weekend may be easier to organize, you'll have more cash in your pocket to play with if you take off earlier in the week.
What is the cheapest month to fly to Knox?
We won't keep you guessing — based on Orbitz data, August is generally the most inexpensive month to fly. Perfect for those who need a weekend getaway or simply escape from it all before the weather changes. The costliest time to fly is the height of summer, with airfares peaking in June.
Which airlines allow free cancellation?
Orbitz makes it a cinch to find carriers that offer flexibility. Simply select "Filter by flexible change policies" when searching for your flights and bada bing, bada boom! You'll see options that include free cancellation, no change fees and of course, the very best price.
What do I need for the flight to Knox?
Flying can be a joy with a bit of pre-planning! Make your journey a hassle-free one with the following handy hints:

  • Before you step on to the plane, you'll need to present a valid form of government ID, such as your passport. You'll also need your boarding pass. If you're traveling with children, check with your airline about which documents they may need.
  • To keep you busy on the short hop to Knox, download your favorite songs or restock the audiobook library on your smartphone. Food can also be a welcome distraction while in the air, so take some snacks.
  • No matter the weather outside (or how long the flight), plane cabins can get a bit chilly. Bring a sweater on board to stop the goose bumps.

How do I get cheap first-class/business deals to Knox?
Smart travelers have a way of finding business or first-class flights to Knox without the steep price tag. Be like them with these helpful hints:

  • Be flexible. By being open to various travel dates, you'll have a better chance of spotting a sale on your airfares.
  • Many budget carriers these days offer excellent business or premium-class seating without the hefty fees.
  • Bid for an upgrade in online auctions or upgrade your ticket with your frequent flyer points.

More to Explore

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.