Cheap flights To DeKalb (CHI) from $39

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Cheap Flights to DeKalb from $39 One Way, $78 Round Trip

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

Thu, Oct 15 - Sun, Oct 18
BNA
Nashville Intl.
RFD
Greater Rockford
$78 Roundtrip, found 2 days ago
$78
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Thu, Oct 15 from Nashville Intl. to Greater Rockford, returning Sun, Oct 18, priced at $78 found 2 days ago
Thu, Oct 15 - Sun, Oct 18
BNA
Nashville Intl.
RFD
Greater Rockford
$81 Roundtrip, found 4 hours ago
$81
Roundtrip
found 4 hours ago
Select Allegiant Air flight, departing Thu, Oct 15 from Nashville Intl. to Greater Rockford, returning Sun, Oct 18, priced at $81 found 4 hours ago
Mon, Oct 5 - Wed, Oct 7
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$95 Roundtrip, just found
$95
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Oct 5 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Wed, Oct 7, priced at $95 just found
Tue, Oct 13 - Wed, Oct 14
ATL
Hartsfield-Jackson Atlanta Intl.
ORD
O'Hare Intl.
$105 Roundtrip, found 1 hour ago
$105
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Oct 13 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Wed, Oct 14, priced at $105 found 1 hour ago
Mon, Oct 5 - Wed, Oct 7
DEN
Denver Intl.
ORD
O'Hare Intl.
$106 Roundtrip, found 1 hour ago
$106
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Oct 5 from Denver Intl. to O'Hare Intl., returning Wed, Oct 7, priced at $106 found 1 hour ago
Mon, Oct 5 - Thu, Oct 29
MSP
Minneapolis - St. Paul Intl.
ORD
O'Hare Intl.
$117 Roundtrip, found 5 hours ago
$117
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Mon, Oct 5 from Minneapolis - St. Paul Intl. to O'Hare Intl., returning Thu, Oct 29, priced at $117 found 5 hours ago
Mon, Oct 5 - Thu, Oct 29
MSP
Minneapolis - St. Paul Intl.
ORD
O'Hare Intl.
$117 Roundtrip, found 5 hours ago
$117
Roundtrip
found 5 hours ago
Select United flight, departing Mon, Oct 5 from Minneapolis - St. Paul Intl. to O'Hare Intl., returning Thu, Oct 29, priced at $117 found 5 hours ago
Tue, Oct 6 - Thu, Oct 8
MSP
Minneapolis - St. Paul Intl.
ORD
O'Hare Intl.
$117 Roundtrip, found 5 hours ago
$117
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, Oct 6 from Minneapolis - St. Paul Intl. to O'Hare Intl., returning Thu, Oct 8, priced at $117 found 5 hours ago
Thu, Nov 12 - Sun, Nov 15
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$121 Roundtrip, found 2 hours ago
$121
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Nov 12 from George Bush Intercontinental to O'Hare Intl., returning Sun, Nov 15, priced at $121 found 2 hours ago
Thu, Nov 12 - Fri, Nov 13
MSP
Minneapolis - St. Paul Intl.
ORD
O'Hare Intl.
$137 Roundtrip, found 2 hours ago
$137
Roundtrip
found 2 hours ago
Select Sun Country Airlines flight, departing Thu, Nov 12 from Minneapolis - St. Paul Intl. to O'Hare Intl., returning Fri, Nov 13, priced at $137 found 2 hours ago

DeKalb Flight Information

Traveling To
DeKalb
Destination Airport IATA Code
CHI
Number of Airlines Serving
Airlines
Allegiant Air, Frontier Airlines, American Airlines, United, Delta, Sun Country Airlines
Flight Price
$78
Earliest Departing Flight
Latest Departing Flight

Book Your Flight & Hotel Together & Save

DeKalb economy flight packages

Price found within the past 48 hours. Click for updated prices.
Hotel Saint Clair- Magnificent Mile
4.0-star property

Hotel Saint Clair- Magnificent Mile

Oct 5 - Oct 8

3 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $818, price is now $549 per person
$549
per person
found 1 day ago
Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

Oct 5 - Oct 8

3 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,120, price is now $778 per person
$778
per person
found 1 day ago
Level Chicago – Old Town
4.0-star property

Level Chicago – Old Town

Oct 7 - Oct 10

3 night stay

Atlanta (ATL) to Chicago (ORD)

Southwest Airlines • Coach

Chicago (ORD) to Atlanta (ATL)

Frontier Airlines • Coach
Save 100% on your flight
Price was $1,323, price is now $924 per person
$924
per person
found 1 day ago
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DeKalb premium economy flight packages

Price found within the past 48 hours. Click for updated prices.
Eurostars Magnificent Mile
4.0-star property

Eurostars Magnificent Mile

9/10 Wonderful! (3,865 reviews)

Oct 9 - Oct 14

5 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • PremiumEconomy
Save 100% on your flight
Price was $2,069, price is now $1,540 per person
$1,540
per person
found 17 hours ago

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! (2,654 reviews)

Oct 9 - Oct 14

5 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • PremiumEconomy
Save 100% on your flight
Price was $2,556, price is now $1,720 per person
$1,720
per person
found 17 hours ago

Silversmith Hotel Chicago Downtown
4.0-star property

Silversmith Hotel Chicago Downtown

9.2/10 Wonderful! (2,373 reviews)

Oct 9 - Oct 14

5 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • PremiumEconomy
Save 100% on your flight
Price was $2,793, price is now $2,122 per person
$2,122
per person
found 17 hours ago
Stylish and comfortable hotel in great location in The Loop, minutes from the Art Institute, parks, the lake, and tons of shopping, restaurants, etc. Good breakfast, though a little slow -- perhaps understaffed? And a decent bar. Easy access and valet parking.

Reviewed on Sep 2, 2026

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DeKalb

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You can now book flights to DeKalb 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 DeKalb flights.

Discounted tickets available for flights to DeKalb

Orbitz offers tickets at a discounted, budget friendly rate that will satisfy all of your travel requirements. Book your DeKalb 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 DeKalb flights

Discounted flights to DeKalb 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 DeKalb. Details and updates are sent to up to six contact numbers to ensure that you are kept abreast of the latest information on DeKalb flights. Frequent flyer and loyalty membership numbers may be updated within your Orbitz account profile.

Frequently asked questions

Which airlines fly to DeKalb?
You can select from 20 airlines that operate services to O'Hare Intl. Airport (ORD), the primary airport in the city. With a good range of options, you're certain to pick up a terrific deal. Here are some of the international airlines that'll get you to DeKalb — and then discovering every corner of this city:

  • United Airlines - 612 flights to DeKalb per month
  • American Airlines - 339 flights to DeKalb per month
  • Air Canada - 190 flights to DeKalb per month

How much is a flight to DeKalb?
Prices for round-trip flights to DeKalb this week ranged between $78 and $137. If you were flying one-way from Nashville (BNA), you could have bagged prices from just $39.
How to book the cheapest flight to DeKalb?
With some of the biggest and best flight deals around, you can jet for less with Orbitz. The following handy hints will help you snap up cheap flights to DeKalb — and leave you with more money to play with:

  • Depending on your departure city, select the 'Nearby airports' function (located under the departure and arrival options). In some cases, other departure points offer cheaper airfares.
  • Also, click on the 'Show flexible dates' link to compare the prices on days either side of your selected departure. You may be able to score cheaper flight deals if you're flexible with your dates.
  • You can also use the 'Show options' link to filter results for your preferred carrier, seating class, nonstop flights and refundable flights. Under 'Sort & Filter' to the left, you can even choose the time of day you want to fly.
  • Book your airfare as soon as you've decided on your travel dates. While it does happen now and then, airfares rarely drop in price as your departure date approaches.
  • Make even more savings on your adventure by combining your hotel, flights and car rentals into an Orbitz package deal. Your credit card will thank you.
  • Whenever possible, don't fly in peak seasons. Airfares often hit their highest during school breaks, summer and other vacation periods like Easter and Christmas.

What is the best time to book a flight to DeKalb?
Generally speaking, the cheapest time to book a seat is in January. This is closely followed by February and August. When looking for a cheap flight to DeKalb, make sure you're ready to book. Cheap deals pop up quickly and don't hang around!
What day of the week is the cheapest to book a flight to DeKalb?
To score a great flight deal, book on a Tuesday, Wednesday or Saturday. These are generally the cheapest days to purchase tickets to DeKalb.
What is the cheapest day of the week to fly to DeKalb?
According to Orbitz data from 2020, you ought to kick off your trip on a Monday to nab cheap flights to DeKalb. Next cheapest day? Tuesday. Saturday costs the most. So, think about departing early in the week if you'd like to score a low-priced fare and stretch your travel budget.
What is the cheapest month to fly to DeKalb?
Get set to jet for less in August. This is generally the best month to get on a plane if you're looking for cheap flights to DeKalb, based on Orbitz data. The costliest time to fly is June, so avoid this month if you can.
Which airlines allow free cancellation?
We understand that plans change and flexibility is important. That's why you can search for flights that have free cancellation and no change fees on Orbitz. Simply click on "Filter by flexible change policies" and we'll show you fares more flexible than a lollipop left in the sun!
What do I need for the flight to DeKalb?
The key to a comfortable flight is preparation. Here are some handy tips to help you get ready for take off:

  • Whether you print it out at home or use an electronic one, you'll need your boarding pass to step foot on the plane. You'll also need some form of government-issued photo ID. If you're traveling internationally, make sure your passport is valid and you've looked into visa requirements.
  • Make time fly by even quicker on your short flight by packing the right stuff. Think snacks, a water bottle and entertainment. If you'd like your journey to DeKalb to go quietly, squeeze some headphones in your carry-on bag too.
  • Even if you're flying when it's 100 degrees outside, bring a sweater or cardigan on board with you. Airplane cabins can get downright chilly.

How do I get cheap first-class/business deals to DeKalb?
There are ways of booking first or business-class fares to DeKalb that won't burn a hole through your budget. Bag a seat at the front of the plane for less with these helpful tips:

  • Flexibility is key. By being open to a variety of travel dates, you'll have more chances of picking up a great deal on business or first-class airfares.
  • Search for a budget airline that has seats in business class. They usually come with extra legroom and a glass of Champagne — and a more appealing price.
  • Take advantage of your airline's loyalty program and upgrade your seat. Alternatively, you can try bidding for an upgrade in an online auction if available.

What is the best time to go to DeKalb?
DeKalb is busy in June, July and August. If you're arranging a visit during these months, it would be wise to book well in advance to ensure you snap up the greatest deals. Curious to know what summer's like in DeKalb? Average daily temperatures usually fluctuate between 65 ºF and 80 ºF. Like most destinations in the Northern Hemisphere, the summer season begins June 20 here.
Travel tips for DeKalb

  • Downtown DeKalb is brimming with terrific attractions. Tourist spots like Northern Illinois University and Star Worlds Arcade will keep your feet on the move and your adventurous spirit full.
  • You'll also want to see the sights within an easy drive of DeKalb's center. Set out for Chicago Premium Outlets and Aurora University and see a different side of this sought-after destination.
  • When you want to explore more of Illinois, book a car rental and cruise to Chicago. Peoria is another popular city with a wealth of things to see and do.

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.