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$143+ Cheap flights from Saint Thomas Island (STT) 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
STT — ORD
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from Saint Thomas Island to Illinois

Keep the following information in mind while searching for Saint Thomas Island to Illinois flight deals. Data was last updated April 30, 2025.

Round-trip from

$335
(Kiwi.com)

One-way from

$143
(Cheapflightsfares)

Good one-way deal

$427 or less
From Saint Thomas Island Cyril E King to Illinois
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One-way flight from Saint Thomas Island Cyril E King to Illinois
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Price to beat on a one-way flight from Saint Thomas Island Cyril E King to Illinois.
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Find flight deals from Saint Thomas Island to Illinois

Cheapest flights from Saint Thomas Island to Illinois
Explore the most affordable flight options available from Saint Thomas Island to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This OneTravel deal was found by Cheapflights users on 4/27. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/221:21 pmSTT - ORD
1 stop7h 42mSpirit Airlines
Mon 5/267:47 amORD - STT
1 stop28h 49mSpirit Airlines
Deal found 4/27$336
This Mytrip deal was found by Cheapflights users on 4/29. 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 5/142:41 pmSTT - STL
2 stops19h 34mSpirit Airlines
Sun 5/1810:10 amSTL - STT
1 stop22h 47mSpirit Airlines
Deal found 4/29$462
This Mytrip deal was found by Cheapflights users on 4/29. 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 5/142:41 pmSTT - STL
3 stops29h 00mMultiple Airlines
Sun 5/1810:10 amSTL - STT
2 stops25h 16mMultiple Airlines
Deal found 4/29$539
This United Airlines deal was found by Cheapflights users on 4/28. 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 7/192:10 pmSTT - ORD
Nonstop5h 30mUnited Airlines
Wed 7/236:00 amORD - STT
1 stop8h 43mUnited Airlines
Deal found 4/28$840

Cheapflights Fare Finder

Customize your flight search to find flights from Saint Thomas Island 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 April 30, 2025.
Use the filters below to find and compare flights from Saint Thomas Island to Illinois that are best for you.

Fly from

Saint Thomas Island

Fly to

Illinois

Route

Depart

Return

Price

Saint Thomas IslandChicago

STT - ORD

STTORD

Saint Thomas Island Cyril E King

Thu 5/22

1:21 pm-8:03 pm

1 stop7h 42m

Chicago O'Hare Intl

Mon 5/26

7:47 am-1:36 pm

1 stop28h 49m

$336

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Wed 5/14

2:41 pm-9:15 am

2 stops19h 34m

Lambert-St Louis

Sun 5/18

10:10 am-9:57 am

1 stop22h 47m

$462

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Wed 5/14

2:41 pm-6:41 pm

3 stops29h 00m

Lambert-St Louis

Sun 5/18

10:10 am-12:26 pm

2 stops25h 16m

$539

Saint Thomas IslandChicago

STT - ORD

STTORD

Saint Thomas Island Cyril E King

Sat 7/19

2:10 pm-6:40 pm

Nonstop5h 30m

Chicago O'Hare Intl

Wed 7/23

6:00 am-3:43 pm

1 stop8h 43m

$840

Saint Thomas IslandChicago

STT - ORD

STTORD

Saint Thomas Island Cyril E King

Thu 5/29

10:52 am-12:05 am

1 stop14h 13m

$152

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Wed 7/16

3:02 pm-11:53 pm

1 stop9h 51m

$282

Saint Thomas IslandChicago

STT - ORD

STTORD

Saint Thomas Island Cyril E King

Sun 8/17

1:52 pm-10:41 pm

1 stop9h 49m

$282

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Wed 7/16

5:05 pm-9:06 am

2 stops17h 01m

$287

Saint Thomas IslandChicago

STT - ORD

STTORD

Saint Thomas Island Cyril E King

Thu 7/31

4:45 pm-8:57 am

2 stops17h 12m

$334

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Mon 7/7

9:10 am-9:05 pm

2 stops12h 55m

$580

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Best time to book a flight from Saint Thomas Island to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Saint Thomas Island 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 Saint Thomas Island to Illinois

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

Find hourly flight availability from Saint Thomas Island 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 April 30, 2025.

When flying from Saint Thomas Island 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.

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 April 30, 2025.
Delta
8.0
Very good
7,936 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,936 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Spirit Airlines
6.3
Okay
7,961 reviews
Delta
8.0
Very good
7,936 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Saint Thomas Island 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 Saint Thomas Island to Illinois?

    Saint Thomas Island Cyril E King (STT), located 2.8 mi from the city center, is the airport you fly out of when you book flights from Saint Thomas Island to Illinois.

  • What are the cheapest airlines to fly from Saint Thomas Island to Illinois one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $143. Users have also found prices from $282 and $287 on Delta and American Airlines, respectively.

  • What are the cheapest flights from Saint Thomas Island to Illinois?

    Looking at all options, your cheapest flight can be booked for $365. While the most popular route (Saint Thomas Island Cyril E King - Chicago O'Hare Intl) can be booked for $276 on average our data indicates $577 when flying from Saint Thomas Island to Illinois.

  • Can I find deals for flights from Saint Thomas Island to Illinois that include hotel bookings?

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

  • How can I find direct flights from Saint Thomas Island to Illinois?

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

  • Can I find deals for business class flights from Saint Thomas Island to Illinois?

    Yes. Cheapflights offers flight deals from Saint Thomas Island 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 Saint Thomas Island to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Saint Thomas Island to Illinois (average of $245). Flying from Saint Thomas Island 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.

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Alternative routes for Saint Thomas Island 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 Saint Thomas Island to Illinois

Discover the top 3 airlines that operate flights from Saint Thomas Island 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$204Average$392FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$447Average$687FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$579Average$683FlexibilityNo cancel feeOn-time69%

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