Cheap flights To Knox (RFD) from $48

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Cheap Flights to Knox from $48 One Way, $83 Round Trip

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

Thu, Aug 13 - Fri, Aug 21
SFB
Orlando Sanford Intl.
SBN
South Bend Intl.
$83 Roundtrip, found 2 days ago
$83
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Thu, Aug 13 from Orlando Sanford Intl. to South Bend Intl., returning Fri, Aug 21, priced at $83 found 2 days ago
Fri, Aug 28 - Mon, Aug 31
SFB
Orlando Sanford Intl.
SBN
South Bend Intl.
$90 Roundtrip, found 5 hours ago
$90
Roundtrip
found 5 hours ago
Select Allegiant Air flight, departing Fri, Aug 28 from Orlando Sanford Intl. to South Bend Intl., returning Mon, Aug 31, priced at $90 found 5 hours ago
Mon, Sep 14 - Mon, Sep 28
SFB
Orlando Sanford Intl.
SBN
South Bend Intl.
$97 Roundtrip, found 2 hours ago
$97
Roundtrip
found 2 hours ago
Select Allegiant Air flight, departing Mon, Sep 14 from Orlando Sanford Intl. to South Bend Intl., returning Mon, Sep 28, priced at $97 found 2 hours ago
Wed, Oct 21 - Mon, Nov 9
SFB
Orlando Sanford Intl.
RFD
Greater Rockford
$104 Roundtrip, found 1 day ago
$104
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Wed, Oct 21 from Orlando Sanford Intl. to Greater Rockford, returning Mon, Nov 9, priced at $104 found 1 day ago
Thu, Aug 13 - Sun, Aug 16
SFB
Orlando Sanford Intl.
SBN
South Bend Intl.
$104 Roundtrip, found 1 day ago
$104
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Thu, Aug 13 from Orlando Sanford Intl. to South Bend Intl., returning Sun, Aug 16, priced at $104 found 1 day ago
Wed, Sep 23 - Mon, Sep 28
AZA
Phoenix - Mesa Gateway
RFD
Greater Rockford
$106 Roundtrip, found 4 days ago
$106
Roundtrip
found 4 days ago
Select Allegiant Air flight, departing Wed, Sep 23 from Phoenix - Mesa Gateway to Greater Rockford, returning Mon, Sep 28, priced at $106 found 4 days ago
Fri, Aug 14 - Sun, Aug 16
SFB
Orlando Sanford Intl.
SBN
South Bend Intl.
$111 Roundtrip, found 1 day ago
$111
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Fri, Aug 14 from Orlando Sanford Intl. to South Bend Intl., returning Sun, Aug 16, priced at $111 found 1 day ago
Sun, Aug 16 - Fri, Aug 21
SFB
Orlando Sanford Intl.
SBN
South Bend Intl.
$112 Roundtrip, found 22 hours ago
$112
Roundtrip
found 22 hours ago
Select Allegiant Air flight, departing Sun, Aug 16 from Orlando Sanford Intl. to South Bend Intl., returning Fri, Aug 21, priced at $112 found 22 hours ago
Wed, Sep 23 - Mon, Sep 28
AZA
Phoenix - Mesa Gateway
RFD
Greater Rockford
$114 Roundtrip, found 1 day ago
$114
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Wed, Sep 23 from Phoenix - Mesa Gateway to Greater Rockford, returning Mon, Sep 28, priced at $114 found 1 day ago
Thu, Sep 3 - Sun, Sep 6
SFB
Orlando Sanford Intl.
SBN
South Bend Intl.
$118 Roundtrip, found 2 days ago
$118
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Thu, Sep 3 from Orlando Sanford Intl. to South Bend Intl., returning Sun, Sep 6, priced at $118 found 2 days ago

Knox Flight Information

Traveling To
Knox
Destination Airport IATA Code
RFD
Number of Airlines Serving
Airlines
Allegiant Air
Flight Price
$83
Earliest Departing Flight
Latest Departing Flight

Book Your Flight & Hotel Together & Save

Knox economy flight packages

Price found within the past 48 hours. Click for updated prices.
Timber Ridge Lodge and Waterpark
3.5-star property

Timber Ridge Lodge and Waterpark

Sep 4 - Sep 7

3 night stay

Philadelphia (PHL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $908, price is now $646 per person
$646
per person
found 1 day ago
Hotel Felix River North/Magnificent Mile
4.0-star property

Hotel Felix River North/Magnificent Mile

Sep 4 - Sep 7

3 night stay

Boston (BOS) to Chicago (ORD)

Southwest Airlines • Coach

Chicago (ORD) to Boston (BOS)

American Airlines • Coach
Save 100% on your flight
Price was $1,086, price is now $720 per person
$720
per person
found 1 day ago
Lodge Geneva National
4.0-star property

Lodge Geneva National

Sep 4 - Sep 7

3 night stay

Philadelphia (PHL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $912, price is now $649 per person
$649
per person
found 1 day ago
Don't see what you're looking for?
See all available trips from Philadelphia to Knox
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Knox premium economy flight packages

Price found within the past 48 hours. Click for updated prices.
Hyatt Place Itasca
3.0-star property

Hyatt Place Itasca

8.8/10 Excellent! (1,217 reviews)

Sep 2 - Sep 9

7 night stay

Los Angeles (LAX) to Chicago (ORD)

Frontier Airlines • Roundtrip • PremiumEconomy
Price was $943, price is now $741 per person
$741
per person
found 2 hours ago
Perfect

Reviewed on Jul 31, 2026

Level Chicago Fulton Market
4.0-star property

Level Chicago Fulton Market

9.2/10 Wonderful! (540 reviews)

Sep 26 - Sep 29

3 night stay

Philadelphia (PHL) to Chicago (ORD)

Frontier Airlines • Non-stop • PremiumEconomy

Chicago (ORD) to Philadelphia (PHL)

JetBlue Airways • Non-stop • PremiumEconomy
Price was $1,262, price is now $1,017 per person
$1,017
per person
found 8 hours ago
Comes with all the comforts of Home.

Reviewed on Jul 29, 2026

The Westin Chicago Lombard
4.0-star property

The Westin Chicago Lombard

9/10 Wonderful! (1,345 reviews)

Sep 2 - Sep 9

7 night stay

Los Angeles (LAX) to Chicago (ORD)

Frontier Airlines • Roundtrip • PremiumEconomy
Save 100% on your flight
Price was $1,224, price is now $880 per person
$880
per person
found 2 hours ago

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

Knox first class flight packages

Price found within the past 48 hours. Click for updated prices.
Sable at Navy Pier Chicago, Curio Collection by Hilton
4.0-star property

Sable at Navy Pier Chicago, Curio Collection by Hilton

9.4/10 Exceptional! (2,606 reviews)

Sep 15 - Sep 19

4 night stay

Newark Liberty Intl. Airport (EWR) to Chicago (ORD)

American Airlines • FirstClass

Chicago (ORD) to Newark Liberty Intl. Airport (EWR)

Frontier Airlines • FirstClass
Save 100% on your flight
Price was $2,301, price is now $1,616 per person
$1,616
per person
found 22 hours ago
Parking was way too expensive and hard to understand

Reviewed on Jul 31, 2026

Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

9.4/10 Exceptional! (4,770 reviews)

Sep 15 - Sep 19

4 night stay

Newark Liberty Intl. Airport (EWR) to Chicago (ORD)

American Airlines • FirstClass

Chicago (ORD) to Newark Liberty Intl. Airport (EWR)

Frontier Airlines • FirstClass
Save 100% on your flight
Price was $2,658, price is now $1,722 per person
$1,722
per person
found 22 hours ago

Trump International Hotel & Tower Chicago
5.0-star property

Trump International Hotel & Tower Chicago

9.6/10 Exceptional! (1,945 reviews)

Sep 15 - Sep 19

4 night stay

Newark Liberty Intl. Airport (EWR) to Chicago (ORD)

American Airlines • FirstClass

Chicago (ORD) to Newark Liberty Intl. Airport (EWR)

Frontier Airlines • FirstClass
Save 100% on your flight
Price was $3,311, price is now $2,452 per person
$2,452
per person
found 22 hours ago
Very excellent service

Reviewed on Jul 31, 2026

Don't see what you're looking for?
See all available trips from Newark Liberty Intl. Airport to Knox
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Knox

End your search for discount fares on flights to Knox. Orbitz has all the best prices on Knox flights. With Orbitz, you can expect:

Cheap Deals on Flights to Knox

We offer big discounts and last-minute savings on Knox flights. We make it easy for you to research, plan, and book your flight to Knox — all while offering great low fares. With guaranteed low prices and cutting-edge mobile tools, the perfect trip begins on Orbitz.

Travel Convenience on the Go

Get alerts, updates, or book your Knox flight or other flights wherever you are. Download our free apps for iPhone, Android, and iPad or visit our mobile site at m.orbitz.com to conveniently review or change your air travel plans. We can also send free alerts about your Knox flight to your email or mobile phone, so you get advance warning about potential disruptions and flight delays. Need to book a hotel with your Knox flight? Access exclusive, mobile-only deals via our mobile site and free apps – even on the same day.

Great Customer Care

We want to make your travel booking experience smooth and easy, from planning and researching Knox flights to the actual booking. If you want to cancel your flight to Knox, many tickets can be conveniently cancelled online. Contact our Customer Service to make changes to your air ticket.

Miles or Points Toward Frequent Flyer Programs

Much like booking with an airline directly, you can earn frequent flyer miles or points on qualified flights to Knox with Orbitz. When completing your booking, just fill in your frequent flyer number for the airline you are flying with or for one of its available partner airlines.

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 $83 and $118. But it was passengers arriving in from Orlando (SFB) who snapped up the biggest bargains. One-way fares to Knox started at a low $48.
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.