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Saint Thomas Island

$115+ Cheap flights from Illinois to Saint Thomas Island (STT)

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — STT
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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Cheap flight deals from Illinois to Saint Thomas Island

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

Round-trip from

$213
(FlightHub)

One-way from

$115
(CheapOair)

Popular in

March

Cheapest in

September

Average price

$564

Good round-trip deal

$574 or less

Good one-way deal

$328 or less
From Illinois to Saint Thomas Island Cyril E King
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One-way flight from Illinois to Saint Thomas Island Cyril E King
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Highest demand for flights based on searches. 7% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Illinois to Saint Thomas Island Cyril E King.
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Price to beat on a one-way flight from Illinois to Saint Thomas Island Cyril E King.
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Find flight deals from Illinois to Saint Thomas Island

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

This FlightHub deal was found by Cheapflights users on 7/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/198:12 pmORD - STT
2 stops16h 36mSpirit Airlines
mar. 8/262:43 pmSTT - ORD
1 stop8h 39mSpirit Airlines
Deal found 7/28$213
This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/187:00 pmSTL - STT
1 stop13h 44mSpirit Airlines
sáb. 10/2510:49 amSTT - STL
1 stop8h 06mSpirit Airlines
Deal found 7/29$233
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/117:00 pmSTL - STT
1 stop13h 44mMultiple Airlines
mar. 10/1410:49 amSTT - STL
3 stops26h 11mMultiple Airlines
Deal found 7/28$411
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/55:28 amSTL - STT
1 stop9h 32mAmerican Airlines
mié. 9/101:40 pmSTT - STL
2 stops20h 32mAmerican Airlines
Deal found 7/29$509
This American Airlines deal was found by Cheapflights users on 7/30. 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.
mié. 12/3111:21 amBMI - STT
2 stops22h 59mAmerican Airlines
jue. 1/86:35 pmSTT - BMI
2 stops21h 45mAmerican Airlines
Deal found 7/30$509
This American Airlines deal was found by Cheapflights users on 7/30. 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.
vie. 9/55:11 pmPIA - STT
2 stops21h 49mAmerican Airlines
vie. 9/125:10 pmSTT - PIA
2 stops22h 52mAmerican Airlines
Deal found 7/30$509
This American Airlines deal was found by Cheapflights users on 7/30. 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.
sáb. 11/155:43 pmMLI - STT
2 stops19h 32mAmerican Airlines
sáb. 11/226:17 pmSTT - MLI
2 stops18h 23mAmerican Airlines
Deal found 7/30$509
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/316:00 amBMI - STT
1 stop8h 00mDelta
jue. 1/84:00 pmSTT - BMI
1 stop8h 26mDelta
Deal found 7/28$549
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/26:00 amMDW - STT
1 stop6h 22mDelta
mié. 12/173:32 pmSTT - MDW
1 stop8h 12mDelta
Deal found 7/28$584
This Delta deal was found by Cheapflights users on 7/30. 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.
sáb. 12/67:20 amSTL - STT
1 stop6h 21mDelta
jue. 12/113:32 pmSTT - STL
1 stop10h 07mDelta
Deal found 7/30$591
This United Airlines deal was found by Cheapflights users on 7/28. 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.
sáb. 11/156:30 amSTL - STT
1 stop7h 48mUnited Airlines
sáb. 11/223:35 pmSTT - STL
1 stop8h 24mUnited Airlines
Deal found 7/28$674
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/114:56 pmMDW - STT
2 stops15h 48mMultiple Airlines
jue. 9/1810:49 amSTT - MDW
2 stops13h 31mMultiple Airlines
Deal found 7/28$678

Cheapflights Fare Finder

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

Fly from

Illinois

Fly to

Saint Thomas Island

Route

Depart

Return

Price

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

mar. 8/19

8:12 pm-1:48 pm

2 stops16h 36m

Saint Thomas Island Cyril E King

mar. 8/26

2:43 pm-10:22 pm

1 stop8h 39m

$213

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

sáb. 10/18

7:00 pm-9:44 am

1 stop13h 44m

Saint Thomas Island Cyril E King

sáb. 10/25

10:49 am-5:55 pm

1 stop8h 06m

$233

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

sáb. 10/11

7:00 pm-9:44 am

1 stop13h 44m

Saint Thomas Island Cyril E King

mar. 10/14

10:49 am-12:00 pm

3 stops26h 11m

$411

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

vie. 9/5

5:28 am-4:00 pm

1 stop9h 32m

Saint Thomas Island Cyril E King

mié. 9/10

1:40 pm-9:12 am

2 stops20h 32m

$509

BloomingtonSaint Thomas Island

BMI - STT

BMISTT

Bloomington-Normal

sáb. 1/24

3:41 pm-1:45 pm

2 stops20h 04m

Saint Thomas Island Cyril E King

mar. 2/10

12:25 pm-9:21 pm

2 stops10h 56m

$509

PeoriaSaint Thomas Island

PIA - STT

PIASTT

Greater Peoria

sáb. 1/24

4:41 pm-11:50 am

1 stop17h 09m

Saint Thomas Island Cyril E King

mar. 2/10

3:20 pm-9:25 pm

1 stop8h 05m

$509

EvansvilleSaint Thomas Island

EVV - STT

EVVSTT

Evansville Dress Regional

mié. 12/3

2:32 pm-12:10 pm

2 stops19h 38m

Saint Thomas Island Cyril E King

lun. 12/8

2:35 pm-10:07 am

2 stops21h 32m

$509

MolineSaint Thomas Island

MLI - STT

MLISTT

Moline Quad-City

sáb. 1/24

4:34 pm-11:50 am

1 stop17h 16m

Saint Thomas Island Cyril E King

mar. 2/10

12:25 pm-9:48 pm

1 stop11h 23m

$509

BloomingtonSaint Thomas Island

BMI - STT

BMISTT

Bloomington-Normal

mié. 12/31

6:00 am-4:00 pm

1 stop8h 00m

Saint Thomas Island Cyril E King

jue. 1/8

4:00 pm-10:26 pm

1 stop8h 26m

$549

ChicagoSaint Thomas Island

MDW - STT

MDWSTT

Chicago Midway

dom. 1/18

6:00 am-3:54 pm

1 stop7h 54m

Saint Thomas Island Cyril E King

dom. 1/25

1:55 pm-9:46 pm

1 stop9h 51m

$584

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 23 results
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Best time to book a flight from Illinois to Saint Thomas Island

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

What is the cheapest month to book a flight from Illinois to Saint Thomas Island?

Currently, September is the cheapest month in which you can book a flight from Illinois to Saint Thomas Island (average of $433). Flying from Illinois to Saint Thomas Island in June is currently the most expensive (average of $649). 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 IL to STT?

Find hourly flight availability from Illinois to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 30, 2025.

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

Reviews of airlines servicing Saint Thomas Island

Get insights into the airlines that provide service to Saint Thomas Island. 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 Saint Thomas Island. Reviews last updated julio 30, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Illinois to Saint Thomas Island have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,048 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

    Saint Thomas Island Cyril E King (STT) is the airport you will fly into if you book a flight from Illinois to Saint Thomas Island. It is only a 2.8 mi journey from Cyril E King (STT) to Saint Thomas Island’s city center.

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

    $115 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $288 and $293, respectively.

  • What are the most popular routes from Illinois to Saint Thomas Island?

    While some choose either Chicago Midway - Saint Thomas Island Cyril E King or Lambert-St Louis - Saint Thomas Island Cyril E King, Chicago O'Hare Intl - Saint Thomas Island Cyril E King is the most popular route from Illinois to Saint Thomas Island.

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

    Looking at all options, your cheapest flight can be booked for $283. While the most popular route (Chicago O'Hare Intl - Saint Thomas Island Cyril E King) can be booked for $209 on average our data indicates $899 when flying from Illinois to Saint Thomas Island.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Illinois to Saint Thomas Island (average of $433). Flying from Illinois to Saint Thomas Island in June is currently the most expensive (average of $649). 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

Traveling to a place near Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
St. John

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Alternative routes for Illinois to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Illinois to Saint Thomas Island

Discover the top 4 airlines that operate flights from Illinois to Saint Thomas Island. 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$182Average$308FlexibilityNo cancel feeOn-time65%
DeltaCheapest$359Average$667FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$467Average$655FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$479Average$734FlexibilityNo cancel feeOn-time69%

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