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$39+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
TUL — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$157
(Southwest)

One-way from

$39
(Southwest)

Popular in

January

Cheapest in

August

Average price

$341

Good round-trip deal

$286 or less

Good one-way deal

$194 or less
From Tulsa to Illinois
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One-way flight from Tulsa to Illinois
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Highest demand for flights based on searches. 19% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Southwest deal was found by Cheapflights users on 6/11. 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.
Thu 8/219:50 amTUL - MDW
Nonstop1h 45mSouthwest
Mon 8/252:55 pmMDW - TUL
Nonstop1h 45mSouthwest
Deal found 6/11$157
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 8/277:00 amTUL - ORD
Nonstop2h 04mAmerican Airlines
Thu 9/44:42 pmORD - TUL
Nonstop1h 58mAmerican Airlines
Deal found 6/11$157
This Southwest deal was found by Cheapflights users on 6/11. 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.
Thu 8/216:30 amTUL - ORD
1 stop4h 15mSouthwest
Mon 8/257:00 amORD - TUL
1 stop5h 40mSouthwest
Deal found 6/11$177
This Southwest deal was found by Cheapflights users on 6/10. 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 11/111:20 pmTUL - STL
1 stop8h 15mSouthwest
Fri 11/143:50 pmSTL - TUL
1 stop5h 45mSouthwest
Deal found 6/10$179
This Delta deal was found by Cheapflights users on 6/11. 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 8/275:16 pmTUL - ORD
1 stop5h 21mDelta
Thu 9/47:05 amORD - TUL
1 stop6h 05mDelta
Deal found 6/11$224
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/272:41 pmTUL - ORD
Nonstop2h 04mUnited Airlines
Thu 9/412:45 pmORD - TUL
Nonstop2h 11mUnited Airlines
Deal found 6/12$227
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 6/266:00 amTUL - PIA
1 stop4h 39mAmerican Airlines
Mon 6/306:26 pmPIA - TUL
1 stop5h 47mAmerican Airlines
Deal found 6/10$239
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 8/155:00 amTUL - STL
1 stop4h 02mAmerican Airlines
Sun 8/177:59 pmSTL - TUL
1 stop4h 22mAmerican Airlines
Deal found 6/12$241
This Delta deal was found by Cheapflights users on 6/9. 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.
Fri 8/154:25 pmTUL - MDW
1 stop5h 24mDelta
Wed 8/2010:11 amMDW - TUL
1 stop7h 43mDelta
Deal found 6/9$256
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 12/57:23 amTUL - STL
1 stop6h 55mUnited Airlines
Sun 12/71:30 pmSTL - TUL
1 stop6h 52mUnited Airlines
Deal found 6/12$301
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Mon 7/73:59 pmTUL - ORD
1 stop18h 51mMultiple Airlines
Thu 7/104:36 pmORD - TUL
2 stops22h 33mMultiple Airlines
Deal found 6/11$314
This Mytrip deal was found by Cheapflights users on 6/12. 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.
Thu 7/248:51 amTUL - MDW
2 stops29h 13mAllegiant Air
Mon 7/289:12 amMDW - TUL
1 stop11h 38mAllegiant Air
Deal found 6/12$334

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 June 12, 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

TulsaChicago

TUL - MDW

TULMDW

Tulsa

Thu 8/21

9:50 am-11:35 am

Nonstop1h 45m

Chicago Midway

Mon 8/25

2:55 pm-4:40 pm

Nonstop1h 45m

$157

TulsaChicago

TUL - ORD

TULORD

Tulsa

Wed 8/27

7:00 am-9:04 am

Nonstop2h 04m

Chicago O'Hare Intl

Thu 9/4

4:42 pm-6:40 pm

Nonstop1h 58m

$157

TulsaChicago

TUL - ORD

TULORD

Tulsa

Thu 8/21

6:30 am-10:45 am

1 stop4h 15m

Chicago O'Hare Intl

Mon 8/25

7:00 am-12:40 pm

1 stop5h 40m

$177

TulsaSt. Louis

TUL - STL

TULSTL

Tulsa

Tue 11/11

1:20 pm-9:35 pm

1 stop8h 15m

Lambert-St Louis

Fri 11/14

3:50 pm-9:35 pm

1 stop5h 45m

$179

TulsaChicago

TUL - ORD

TULORD

Tulsa

Wed 8/27

5:16 pm-10:37 pm

1 stop5h 21m

Chicago O'Hare Intl

Thu 9/4

7:05 am-1:10 pm

1 stop6h 05m

$224

TulsaChicago

TUL - ORD

TULORD

Tulsa

Wed 8/27

2:41 pm-4:45 pm

Nonstop2h 04m

Chicago O'Hare Intl

Thu 9/4

12:45 pm-2:56 pm

Nonstop2h 11m

$227

TulsaPeoria

TUL - PIA

TULPIA

Tulsa

Thu 6/26

6:00 am-10:39 am

1 stop4h 39m

Greater Peoria

Mon 6/30

6:26 pm-12:13 am

1 stop5h 47m

$239

TulsaSt. Louis

TUL - STL

TULSTL

Tulsa

Fri 8/15

5:00 am-9:02 am

1 stop4h 02m

Lambert-St Louis

Sun 8/17

7:59 pm-12:21 am

1 stop4h 22m

$241

TulsaChicago

TUL - MDW

TULMDW

Tulsa

Fri 8/15

4:25 pm-9:49 pm

1 stop5h 24m

Chicago Midway

Wed 8/20

10:11 am-5:54 pm

1 stop7h 43m

$256

TulsaSt. Louis

TUL - STL

TULSTL

Tulsa

Fri 12/5

7:23 am-2:18 pm

1 stop6h 55m

Lambert-St Louis

Sun 12/7

1:30 pm-8:22 pm

1 stop6h 52m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 26 results
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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 $321). 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 June 12, 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 June 12, 2025.

The most flights from TUL to USIL are scheduled on a Wednesday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 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 June 12, 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
8.0
Very good
4,287 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,950 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Allegiant Air
7.3
Good
725 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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?

    $39 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $79 and $85, 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 Envoy Air (93%), Japan Airlines (90%) and Aer Lingus (89%).

  • What are the cheapest flights from Tulsa to Illinois?

    Looking at all options, your cheapest flight can be booked for $134. While the most popular route (Tulsa - Chicago O'Hare Intl) can be booked for $157 on average our data indicates $1,591 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 $321). 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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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$201Average$350FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$274Average$420FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$278Average$369FlexibilityNo cancel feeOn-time63%

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