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$49+ Cheap flights from Tulsa (TUL) to Illinois

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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
TUL — ORD
Mar 26 — Apr 21
Wed 3/26
Wed 4/2
1 adult, Economy
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Cheap flight deals from Tulsa to Illinois

Keep the following information in mind while searching for Tulsa to Illinois flight deals. Data was last updated March 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$159
(American Airlines)

One-way from

$49
(Southwest)

Popular in

January

Cheapest in

August

Average price

$417

Good round-trip deal

$321 or less

Good one-way deal

$155 or less
Provider with most accurate pricing for Tulsa-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Tulsa-Chicago (CHI) flights.
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From Tulsa to Illinois
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One-way flight from Tulsa to Illinois
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Tulsa to Illinois.
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Price to beat on a one-way flight from Tulsa to Illinois.
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Find flight deals from Tulsa to Illinois

Cheapest flights from Tulsa to Illinois
Explore the most affordable flight options available from Tulsa to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2025.

This American Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/35:00 amTUL - STL
1 stop3h 59mAmerican Airlines
Tue 6/105:30 amSTL - TUL
1 stop6h 31mAmerican Airlines
Deal found 3/21$159
This United Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/52:38 pmTUL - PIA
1 stop6h 55mUnited Airlines
Wed 4/95:21 pmPIA - TUL
1 stop5h 14mUnited Airlines
Deal found 3/21$239
This American Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/510:48 amTUL - PIA
1 stop5h 57mAmerican Airlines
Wed 4/96:21 amPIA - TUL
2 stops9h 38mAmerican Airlines
Deal found 3/21$244
This American Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:00 amTUL - ORD
1 stop9h 27mAmerican Airlines
Wed 5/712:09 pmORD - TUL
1 stop10h 05mAmerican Airlines
Deal found 3/20$263
This Southwest deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/143:20 pmTUL - MDW
Nonstop1h 45mSouthwest
Tue 4/1510:00 amMDW - TUL
Nonstop1h 50mSouthwest
Deal found 3/21$271
This United Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/216:45 pmTUL - ORD
1 stop5h 30mUnited Airlines
Mon 5/2612:45 pmORD - TUL
Nonstop2h 04mUnited Airlines
Deal found 3/20$281
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/911:42 amTUL - ORD
1 stop17h 43mMultiple Airlines
Sun 5/116:46 pmORD - TUL
1 stop26h 27mMultiple Airlines
Deal found 3/20$284
This Southwest deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:15 amTUL - ORD
2 stops8h 45mSouthwest
Wed 5/71:30 pmORD - TUL
1 stop4h 15mSouthwest
Deal found 3/20$292
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/216:45 pmTUL - ORD
1 stop5h 13mDelta
Mon 5/265:30 amORD - TUL
1 stop6h 37mDelta
Deal found 3/20$326
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/97:30 amTUL - STL
1 stop4h 50mUnited Airlines
Tue 4/1511:00 amSTL - TUL
1 stop5h 08mUnited Airlines
Deal found 3/19$351
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/184:10 pmTUL - MDW
1 stop5h 37mDelta
Sat 6/216:00 amMDW - TUL
1 stop4h 54mDelta
Deal found 3/21$361
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2112:44 pmTUL - MDW
2 stops29h 27mMultiple Airlines
Mon 5/269:12 amMDW - TUL
1 stop11h 38mMultiple Airlines
Deal found 3/20$439

Cheapflights Fare Finder

Customize your flight search to find flights from Tulsa 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 2,558,603 searches. Data last updated March 21, 2025.
Use the filters below to find and compare flights from Tulsa to Illinois that are best for you.

Fly from

Tulsa

Fly to

Illinois

Route

Depart

Return

Price

TulsaSt. Louis

TUL - STL

TULSTL

Tulsa

Tue 6/3

5:00 am-8:59 am

1 stop3h 59m

Lambert-St Louis

Tue 6/10

5:30 am-12:01 pm

1 stop6h 31m

$159

TulsaPeoria

TUL - PIA

TULPIA

Tulsa

Sat 4/5

2:38 pm-9:33 pm

1 stop6h 55m

Greater Peoria

Wed 4/9

5:21 pm-10:35 pm

1 stop5h 14m

$239

TulsaPeoria

TUL - PIA

TULPIA

Tulsa

Sat 4/5

10:48 am-4:45 pm

1 stop5h 57m

Greater Peoria

Wed 4/9

6:21 am-3:59 pm

2 stops9h 38m

$244

TulsaChicago

TUL - ORD

TULORD

Tulsa

Tue 5/6

6:00 am-3:27 pm

1 stop9h 27m

Chicago O'Hare Intl

Wed 5/7

12:09 pm-10:14 pm

1 stop10h 05m

$263

TulsaChicago

TUL - MDW

TULMDW

Tulsa

Mon 4/14

3:20 pm-5:05 pm

Nonstop1h 45m

Chicago Midway

Tue 4/15

10:00 am-11:50 am

Nonstop1h 50m

$271

TulsaChicago

TUL - ORD

TULORD

Tulsa

Wed 5/21

6:45 pm-12:15 am

1 stop5h 30m

Chicago O'Hare Intl

Mon 5/26

12:45 pm-2:49 pm

Nonstop2h 04m

$281

TulsaChicago

TUL - ORD

TULORD

Tulsa

Fri 5/9

11:42 am-5:25 am

1 stop17h 43m

Chicago O'Hare Intl

Sun 5/11

6:46 pm-9:13 pm

1 stop26h 27m

$284

TulsaChicago

TUL - ORD

TULORD

Tulsa

Tue 5/6

6:15 am-3:00 pm

2 stops8h 45m

Chicago O'Hare Intl

Wed 5/7

1:30 pm-5:45 pm

1 stop4h 15m

$292

TulsaChicago

TUL - ORD

TULORD

Tulsa

Wed 5/21

6:45 pm-11:58 pm

1 stop5h 13m

Chicago O'Hare Intl

Mon 5/26

5:30 am-12:07 pm

1 stop6h 37m

$326

TulsaSt. Louis

TUL - STL

TULSTL

Tulsa

Wed 4/9

7:30 am-12:20 pm

1 stop4h 50m

Lambert-St Louis

Tue 4/15

11:00 am-4:08 pm

1 stop5h 08m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 25 results
1
2
3

Best time to book a flight from Tulsa to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Tulsa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Tulsa to Illinois

What is the cheapest month to book a flight from Tulsa to Illinois?

Currently, August is the cheapest month in which you can book a flight from Tulsa to Illinois (average of $245). Flying from Tulsa to Illinois in March is currently the most expensive (average of $326). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TUL to IL?

Find hourly flight availability from Tulsa 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 March 21, 2025.

When flying from Tulsa to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Tulsa to Illinois

Explore weekly flight availability from Tulsa to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 21, 2025.

The most flights from TUL to USIL are scheduled on a Friday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 March 21, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from Tulsa to Illinois. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,278 reviews

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,278 reviews
Southwest
8.1
Very good
4,278 reviews

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,895 reviews
Southwest
8.1
Very good
4,278 reviews

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,605 reviews
Southwest
8.1
Very good
4,278 reviews

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Allegiant Air
7.3
Good
732 reviews
Southwest
8.1
Very good
4,278 reviews

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,278 reviews

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

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

  • What airport do you fly from for flights from Tulsa to Illinois?

    For a flight from Tulsa to Illinois, you will be flying from Tulsa. Tulsa (TUL) is just 6.6 mi from the center of the city.

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

    $49 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $80 and $136, respectively.

  • What are the most popular routes from Tulsa to Illinois?

    When deciding which route to take from Tulsa to Illinois consider Tulsa - Chicago O'Hare Intl, Tulsa - Chicago Midway or Tulsa - Lambert-St Louis as they are the most popular.

  • What are the most reliable airlines from Tulsa to Illinois?

    The top 3 most reliable airlines when flying from Tulsa to Illinois are Lufthansa (96%), Royal Jordanian (87%) and SkyWest Airlines (85%).

  • What are the cheapest flights from Tulsa to Illinois?

    Looking at all options, your cheapest flight can be booked for $101. While the most popular route (Tulsa - Chicago O'Hare Intl) can be booked for $271 on average our data indicates $1,791 when flying from Tulsa to Illinois.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Tulsa 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.

  • What is the cheapest month to book a flight from Tulsa to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Tulsa to Illinois (average of $245). Flying from Tulsa to Illinois in March is currently the most expensive (average of $326). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Tulsa 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 Tulsa to Illinois

Discover the top 3 airlines that operate flights from Tulsa 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 2,558,603 searches. Data last updated March 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$210Average$372FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$409FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$328Average$381FlexibilityNo cancel feeOn-time63%
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