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Cheap flights from Oklahoma to Illinois from $70

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
OKC — ORD
May 10 — May 171
From?
To?
Fri 5/10
Fri 5/17
1 adult, Economy
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How far in advance should I book a flight from Oklahoma to Illinois?

Find a great deal and save up to 331% by booking at least 60 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Oklahoma to Illinois within the next two weeks, with the cheapest ticket starting at $340.

What is the cheapest month to fly from Oklahoma to Illinois?

January is one of the best times of the year to fly to Illinois from Oklahoma. Prices for January average $307 per person but you can even find prices for as low as $128. The most expensive prices can be found in the month of June. Opting for a January flight can save you 28% on your journey compared to booking in June

When is the cheapest time to fly from Oklahoma to Illinois (OK - IL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oklahoma to Illinois as you normally would.

Cheap American Airlines flights from Oklahoma to Illinois

Explore cheap flight options specifically provided by American Airlines for the route between Oklahoma and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Consider these cheap American Airlines flights we've found departing from Oklahoma to Illinois. Make sure to check back often as deals are often changing.
Sat 8/175:17 amOKC - ORD
Nonstop2h 11mAmerican Airlines
Sat 8/316:05 pmORD - OKC
Nonstop2h 12mAmerican Airlines
Deal found 5/4$219
Thu 8/155:17 amOKC - ORD
Nonstop2h 11mAmerican Airlines
Tue 8/201:40 pmORD - OKC
Nonstop2h 08mAmerican Airlines
Deal found 5/5$234
Fri 8/234:19 pmOKC - ORD
Nonstop2h 14mAmerican Airlines
Fri 9/68:15 amORD - OKC
Nonstop2h 19mAmerican Airlines
Deal found 5/4$240
Sat 8/175:17 amOKC - ORD
Nonstop2h 11mAmerican Airlines
Sat 8/312:46 pmORD - OKC
1 stop8h 13mAmerican Airlines
Deal found 5/4$242
Tue 7/25:15 amOKC - ORD
Nonstop2h 13mAmerican Airlines
Tue 7/97:00 amORD - OKC
1 stop6h 02mAmerican Airlines
Deal found 5/4$243
Tue 7/25:42 pmOKC - ORD
1 stop5h 59mAmerican Airlines
Tue 7/97:00 amORD - OKC
1 stop6h 02mAmerican Airlines
Deal found 5/4$248
Thu 9/125:30 amTUL - ORD
Nonstop2h 00mAmerican Airlines
Tue 9/178:15 pmORD - TUL
Nonstop1h 58mAmerican Airlines
Deal found 5/4$254
Thu 8/155:17 amOKC - ORD
Nonstop2h 11mAmerican Airlines
Mon 8/192:46 pmORD - OKC
1 stop7h 25mAmerican Airlines
Deal found 5/5$258
Fri 8/165:30 amTUL - ORD
Nonstop2h 00mAmerican Airlines
Sun 9/110:15 amORD - TUL
Nonstop2h 06mAmerican Airlines
Deal found 5/5$260

Cheap United Airlines flights from Oklahoma to Illinois

Explore cheap flight options specifically provided by United Airlines for the route between Oklahoma and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Some of the lowest-priced United Airlines flights we've found at this time heading from Oklahoma to Illinois. Deals frequently update to provide users with more options.
Tue 6/252:35 pmTUL - ORD
Nonstop2h 06mUnited Airlines
Mon 7/17:55 pmORD - TUL
Nonstop2h 04mUnited Airlines
Deal found 5/4$243
Tue 6/256:59 pmTUL - ORD
1 stop5h 14mUnited Airlines
Mon 7/17:55 pmORD - TUL
Nonstop2h 04mUnited Airlines
Deal found 5/4$252
Tue 6/252:35 pmTUL - ORD
Nonstop2h 06mUnited Airlines
Mon 7/17:55 pmORD - TUL
Nonstop2h 04mUnited Airlines
Deal found 5/4$258
Tue 6/256:59 pmTUL - ORD
1 stop5h 14mUnited Airlines
Mon 7/17:55 pmORD - TUL
Nonstop2h 04mUnited Airlines
Deal found 5/4$267
Tue 6/117:35 amTUL - ORD
Nonstop2h 11mUnited Airlines
Thu 6/139:03 amORD - TUL
Nonstop2h 04mUnited Airlines
Deal found 5/3$284
Tue 6/116:59 pmTUL - ORD
1 stop5h 14mUnited Airlines
Thu 6/139:03 amORD - TUL
Nonstop2h 04mUnited Airlines
Deal found 5/3$293
Wed 6/197:35 amOKC - ORD
Nonstop2h 17mUnited Airlines
Wed 6/269:05 pmORD - OKC
Nonstop2h 23mUnited Airlines
Deal found 5/5$301
Tue 6/256:59 pmTUL - ORD
1 stop5h 14mUnited Airlines
Mon 7/112:45 pmORD - TUL
1 stop5h 10mUnited Airlines
Deal found 5/4$314
Sat 5/182:35 pmTUL - ORD
Nonstop2h 06mUnited Airlines
Thu 5/303:55 pmORD - TUL
Nonstop2h 07mUnited Airlines
Deal found 5/5$523

Cheap Oklahoma to Illinois flights in May & June 2024

Find cheap flight options from Oklahoma to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Prices were last updated on May 5, 2024.
Check out some of the best flight deals from Oklahoma to Illinois in 2024. Check back in a little while for more flight options.
Sat 5/186:58 pmOKC - MDW
1 stop16h 11mFrontier
Mon 5/205:11 amMDW - OKC
1 stop10h 06mFrontier
Deal found 5/4$134
Thu 5/161:26 pmOKC - ORD
1 stop7h 57mFrontier
Sat 5/185:56 pmORD - OKC
1 stop18h 40mFrontier
Deal found 5/4$138
Wed 5/224:10 pmOKC - ORD
1 stop9h 03mFrontier
Sat 5/255:56 pmORD - OKC
1 stop18h 40mFrontier
Deal found 5/4$150
Sat 5/186:58 pmOKC - ORD
1 stop5h 20mFrontier
Mon 5/206:30 pmORD - OKC
1 stop13h 19mFrontier
Deal found 5/4$174
Thu 5/161:26 pmOKC - STL
1 stop8h 40mFrontier
Sun 5/1911:22 pmSTL - OKC
1 stop15h 55mFrontier
Deal found 5/5$187
Sun 5/127:01 pmOKC - STL
1 stop15h 17mFrontier
Wed 5/157:51 pmSTL - OKC
1 stop22h 21mFrontier
Deal found 5/5$190
Sat 5/256:58 pmOKC - MDW
1 stop26h 56mFrontier
Mon 5/275:11 amMDW - OKC
1 stop26h 38mFrontier
Deal found 5/4$205
Thu 5/161:26 pmOKC - MDW
1 stop21h 43mFrontier
Sat 5/1810:01 pmMDW - OKC
1 stop14h 35mFrontier
Deal found 5/4$208
Thu 6/61:24 pmOKC - ORD
1 stop11h 16mFrontier
Sat 6/810:11 pmORD - OKC
1 stop14h 24mFrontier
Deal found 5/5$212

Oklahoma to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Oklahoma and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Check out some of the best flight deals from Oklahoma to Illinois in 2024. Check back in a little while for more flight options.
Sat 5/186:58 pmOKC - MDW
1 stop16h 11mFrontier
Mon 5/205:11 amMDW - OKC
1 stop10h 06mFrontier
Deal found 5/4$134
Thu 5/161:26 pmOKC - ORD
1 stop7h 57mFrontier
Sat 5/185:56 pmORD - OKC
1 stop18h 40mFrontier
Deal found 5/4$138
Wed 5/224:10 pmOKC - ORD
1 stop9h 03mFrontier
Sat 5/255:56 pmORD - OKC
1 stop18h 40mFrontier
Deal found 5/4$150
Sat 8/174:46 pmOKC - ORD
1 stop7h 25mFrontier
Sat 8/317:30 pmORD - OKC
1 stop23h 19mFrontier
Deal found 5/4$160
Sat 5/186:58 pmOKC - ORD
1 stop5h 20mFrontier
Mon 5/206:30 pmORD - OKC
1 stop13h 19mFrontier
Deal found 5/4$174
Thu 5/161:26 pmOKC - STL
1 stop8h 40mFrontier
Sun 5/1911:22 pmSTL - OKC
1 stop15h 55mFrontier
Deal found 5/5$187
Sun 5/127:01 pmOKC - STL
1 stop15h 17mFrontier
Wed 5/157:51 pmSTL - OKC
1 stop22h 21mFrontier
Deal found 5/5$190
Sat 5/256:58 pmOKC - MDW
1 stop26h 56mFrontier
Mon 5/275:11 amMDW - OKC
1 stop26h 38mFrontier
Deal found 5/4$205
Thu 5/161:26 pmOKC - MDW
1 stop21h 43mFrontier
Sat 5/1810:01 pmMDW - OKC
1 stop14h 35mFrontier
Deal found 5/4$208

Non-stop flights to Illinois from Oklahoma

Discover non-stop flight options from Oklahoma to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
For a quicker trip, book one of these direct flights from Oklahoma to Illinois. Users can also choose from other Oklahoma to Illinois flights by using the search form above.
Tue 6/252:35 pmTUL - ORD
Nonstop2h 06mUnited Airlines
Mon 7/17:55 pmORD - TUL
Nonstop2h 04mUnited Airlines
Deal found 5/4$243
Thu 9/125:30 amTUL - ORD
Nonstop2h 00mAmerican Airlines
Tue 9/178:15 pmORD - TUL
Nonstop1h 58mAmerican Airlines
Deal found 5/4$254
Tue 6/252:35 pmTUL - ORD
Nonstop2h 06mUnited Airlines
Mon 7/17:55 pmORD - TUL
Nonstop2h 04mUnited Airlines
Deal found 5/4$258
Fri 8/165:30 amTUL - ORD
Nonstop2h 00mAmerican Airlines
Sun 9/110:15 amORD - TUL
Nonstop2h 06mAmerican Airlines
Deal found 5/5$260
Wed 10/165:45 pmTUL - ORD
Nonstop2h 00mAmerican Airlines
Mon 10/218:15 pmORD - TUL
Nonstop1h 58mAmerican Airlines
Deal found 5/4$262
Thu 9/1212:17 pmTUL - ORD
Nonstop1h 59mAmerican Airlines
Mon 9/168:15 pmORD - TUL
Nonstop1h 58mAmerican Airlines
Deal found 5/4$269
Tue 7/25:15 amOKC - ORD
Nonstop2h 13mAmerican Airlines
Tue 7/98:14 pmORD - OKC
Nonstop2h 10mAmerican Airlines
Deal found 5/4$270
Tue 6/117:35 amTUL - ORD
Nonstop2h 11mUnited Airlines
Thu 6/139:03 amORD - TUL
Nonstop2h 04mUnited Airlines
Deal found 5/3$284
Tue 6/115:17 amTUL - ORD
Nonstop1h 58mAmerican Airlines
Tue 6/189:49 amORD - TUL
Nonstop1h 59mAmerican Airlines
Deal found 5/4$288

Oklahoma to Illinois flights leaving soon

Find last-minute flight options from Oklahoma to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Book one of these great deals on flights from Oklahoma to Illinois. Users should examine the flight details to ensure there are no surprises.
Sun 5/127:01 pmOKC - STL
1 stop15h 17mFrontier
Wed 5/157:51 pmSTL - OKC
1 stop22h 21mFrontier
Deal found 5/5$190
Fri 5/105:01 pmOKC - MDW
1 stop23h 37mFrontier
Sun 5/1210:59 pmMDW - OKC
1 stop11h 40mFrontier
Deal found 5/4$257
Fri 5/105:01 pmOKC - MDW
1 stop27h 38mFrontier
Mon 5/135:30 amMDW - OKC
1 stop10h 29mFrontier
Deal found 5/4$261
Mon 5/1311:39 amOKC - STL
1 stop22h 30mFrontier
Thu 5/2311:06 pmSTL - OKC
1 stop13h 29mFrontier
Deal found 5/4$286
Fri 5/1012:32 pmOKC - STL
1 stop21h 46mFrontier
Sun 5/1210:59 pmSTL - OKC
1 stop11h 40mFrontier
Deal found 5/5$302
Mon 5/1311:39 amOKC - MDW
1 stop23h 57mFrontier
Thu 5/1610:22 pmMDW - OKC
1 stop14h 13mFrontier
Deal found 5/4$307
Sun 5/127:01 pmOKC - MDW
1 stop16h 35mFrontier
Wed 5/1510:59 pmMDW - OKC
1 stop19h 13mFrontier
Deal found 5/4$337
Fri 5/105:01 pmOKC - ORD
1 stop7h 55mFrontier
Sun 5/126:27 pmORD - OKC
1 stop21h 32mFrontier
Deal found 5/4$342
Fri 5/105:00 amTUL - STL
1 stop4h 02mAmerican Airlines
Sun 5/125:21 amSTL - TUL
1 stop6h 22mAmerican Airlines
Deal found 5/4$393

One-way flights to Illinois from Oklahoma

Search for one-way flight options from Oklahoma to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Take a look at some of the one-way flights we've detected from Oklahoma to Illinois. Users needing a return flight from Oklahoma to Illinois should utilize the search form above.
Sat 5/256:58 pmOKC - ORD
1 stop5h 20mFrontier
Deal found 5/3$70
Sat 5/186:58 pmOKC - ORD
1 stop5h 20mFrontier
Deal found 5/4$75
Sat 5/186:58 pmOKC - ORD
1 stop5h 20mFrontier
Deal found 5/4$76
Sun 9/87:39 pmOKC - ORD
1 stop9h 08mFrontier
Deal found 5/4$79
Sat 5/256:58 pmOKC - MDW
1 stop26h 56mFrontier
Deal found 5/3$80
Wed 5/224:10 pmOKC - ORD
1 stop9h 03mFrontier
Deal found 5/4$81
Sat 5/186:58 pmOKC - MDW
1 stop16h 11mFrontier
Deal found 5/4$85
Sat 6/16:29 pmOKC - ORD
1 stop5h 49mFrontier
Deal found 5/5$98
Mon 5/1311:39 amOKC - MDW
1 stop23h 57mFrontier
Deal found 5/4$99

Find flights from Oklahoma to Illinois within your budget

Customize your flight search to find flights from Oklahoma to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$134 - $427

Route

Depart

Return

Price

Oklahoma City Will Rogers WorldChicago Midway

OKC - MDW

OKCMDW

Oklahoma City Will Rogers World

Sat 5/18

1 stop16h 11m

Chicago Midway

Mon 5/20

1 stop10h 06m

$134

Oklahoma City Will Rogers WorldChicago O'Hare Intl

OKC - ORD

OKCORD

Oklahoma City Will Rogers World

Thu 5/16

1 stop7h 57m

Chicago O'Hare Intl

Sat 5/18

1 stop18h 40m

$138

Oklahoma City Will Rogers WorldChicago O'Hare Intl

OKC - ORD

OKCORD

Oklahoma City Will Rogers World

Wed 5/22

1 stop9h 03m

Chicago O'Hare Intl

Sat 5/25

1 stop18h 40m

$150

Oklahoma City Will Rogers WorldChicago O'Hare Intl

OKC - ORD

OKCORD

Oklahoma City Will Rogers World

Sat 8/17

1 stop7h 25m

Chicago O'Hare Intl

Sat 8/31

1 stop23h 19m

$160

Oklahoma City Will Rogers WorldChicago O'Hare Intl

OKC - ORD

OKCORD

Oklahoma City Will Rogers World

Sat 5/18

1 stop5h 20m

Chicago O'Hare Intl

Mon 5/20

1 stop13h 19m

$174

Oklahoma City Will Rogers WorldChicago O'Hare Intl

OKC - ORD

OKCORD

Oklahoma City Will Rogers World

Sat 8/17

Nonstop2h 11m

Chicago O'Hare Intl

Sat 8/31

Nonstop2h 12m

$219

Oklahoma City Will Rogers WorldChicago Midway

OKC - MDW

OKCMDW

Oklahoma City Will Rogers World

Wed 8/21

1 stop6h 34m

Chicago Midway

Sat 8/24

1 stop7h 35m

$238

TulsaChicago O'Hare Intl

TUL - ORD

TULORD

Tulsa

Tue 6/25

Nonstop2h 06m

Chicago O'Hare Intl

Mon 7/1

Nonstop2h 04m

$243

TulsaChicago O'Hare Intl

TUL - ORD

TULORD

Tulsa

Fri 5/31

1 stop8h 43m

Chicago O'Hare Intl

Sun 6/2

2 stops18h 47m

$427

Flights are sorted by cheapest first

Deals found on 5/4

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated May 5, 2024.
Read reviews from past customers who have flown American Airlines, United Airlines and Frontier from Oklahoma to Illinois. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.6

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,134 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.6

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.1
Very good
10,826 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.6

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Allegiant Air
7.5
Good
1,025 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.6

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,118 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.6

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,713 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.6

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Oklahoma to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Oklahoma to Illinois for under $200 on Cheapflights?

    Yes, there are multiple flights from Oklahoma to Illinois for under $200. The cheapest flight booked recently is on Frontier for just $134, but on average you can expect to pay $204.

  • Are there nonstop flights from Oklahoma to Illinois for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from Oklahoma to Illinois under $300. A good price for a nonstop flight from Oklahoma to Illinois is less than $287.

  • Are there last-minute flights available from Oklahoma to Illinois for under $200?

    There are currently 20+ open flights from Oklahoma to Illinois within the next 7 days for less than $200.

  • What are the cheapest airlines to fly from Oklahoma to Illinois one-way?

    One-way options have recently been found by users for as low as $70 on Frontier. Other airlines that offer cheap prices include American Airlines from $118 and United Airlines from $120 one-way.

  • What does OKC to ORD mean?

    OKC stands for Oklahoma City Will Rogers World Airport, while ORD stands for Chicago O'Hare Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Oklahoma to Illinois that include extra baggage allowance?

    The amount of baggage you can bring on your Oklahoma to Illinois flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Oklahoma to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Oklahoma to Illinois flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Oklahoma to Illinois that include hotel bookings?

    Yes. In addition to deals on Oklahoma to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oklahoma to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oklahoma to Illinois.

  • Can I find deals for business class flights from Oklahoma to Illinois?

    Yes. Cheapflights offers flight deals from Oklahoma to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Oklahoma to Illinois that allow pets onboard?

    Many airlines flying from Oklahoma to Illinois offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Oklahoma to Illinois?

    Yes, you can often find last-minute deals on Oklahoma to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Oklahoma to Illinois flight deals updated?

    The Oklahoma to Illinois flight deals you see on this page were last updated on 5/5.

See more FAQs

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Alternative routes for Oklahoma to Illinois
See prices for flight routes from nearby airports that may be better suited for you.

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Top 3 airlines flying from Oklahoma to Illinois

Discover the top 3 airlines that operate flights from Oklahoma to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$135Average$340FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$184Average$462FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$205Average$540FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Detroit to Denver flights
Fort Lauderdale to Dallas flights
New York to Portugal flights
Pittsburgh to Chicago flights
Seattle to Boston flights
San Diego to Cabo San Lucas flights
Atlanta to San Diego flights
USA to Addis Ababa flights
USA to Maldives flights
Miami to New Orleans flights
Minneapolis to Tampa flights
Oklahoma to Indiana flights

Search flights from Oklahoma to Illinois by cabin class

Find flights from Oklahoma to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Oklahoma to Illinois

Find hourly flight availability from Oklahoma to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 5, 2024.
17%of flight departuresEarly morningMidnight to 6 am
38%of flight departuresMorning6 am to noon
45%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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How does Cheapflights help users find flights from Oklahoma to Illinois?

Cheapflights helps you search for flights from Oklahoma to Illinois via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Oklahoma to Illinois?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Oklahoma to Illinois for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Oklahoma to Illinois with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Oklahoma to Illinois, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Oklahoma to Illinois become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Illinois from Oklahoma today and book when prices fit your budget.

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