How long is the flight from Saint Thomas Island to Illinois?

There are many flights that can get you from Saint Thomas Island to Illinois in 11h. Fly via Spirit Airlines or American Airlines to get the fastest option. Airlines will cover a distance of 2074 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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 $112. Users have also found prices from $271 and $271 on American Airlines and United Airlines, respectively.

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.

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).

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

Looking at all options, your cheapest flight can be booked for $170. While the most popular route (Saint Thomas Island Cyril E King - Chicago O'Hare Intl) can be booked for $322 on average, our data indicates $361 when flying from Saint Thomas Island to Illinois.

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.

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.

$142+ Flights from Saint Thomas Island to Illinois

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Cheap 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 December 12, 2025.

Mon 12/2212:31 pmSTT - ORD

1 stop13h 59mSpirit Airlines

Thu 1/17:20 amORD - STT

1 stop29h 08mSpirit Airlines

Deal found 12/10

$466

Mon 12/223:23 pmSTT - ORD

2 stops11h 07mMultiple Airlines

Thu 1/16:45 amORD - STT

2 stops29h 15mMultiple Airlines

Deal found 12/10

$480

Thu 12/253:23 pmSTT - STL

1 stop9h 10mMultiple Airlines

Mon 12/294:27 pmSTL - STT

2 stops41h 04mMultiple Airlines

Deal found 12/10

$532

Thu 12/253:39 pmSTT - STL

1 stop18h 56mAmerican Airlines

Mon 12/295:05 amSTL - STT

1 stop8h 30mAmerican Airlines

Deal found 12/10

$535

Mon 12/223:05 pmSTT - ORD

Nonstop5h 40mUnited Airlines

Thu 1/18:51 amORD - STT

1 stop6h 51mUnited Airlines

Deal found 12/10

$657

Mon 12/223:39 pmSTT - ORD

Nonstop5h 36mAmerican Airlines

Thu 1/18:20 amORD - STT

Nonstop4h 52mAmerican Airlines

Deal found 12/10

$670

Best flights from Saint Thomas Island to Illinois
Discover carefully curated flight deals from Saint Thomas Island to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Mon 12/2212:31 pmSTT - ORD

1 stop13h 59mSpirit Airlines

Thu 1/17:20 amORD - STT

1 stop29h 08mSpirit Airlines

Deal found 12/10

$466

Wed 3/111:52 pmSTT - STL

2 stops11h 00mAmerican Airlines

Fri 3/136:00 amSTL - STT

1 stop7h 01mAmerican Airlines

Deal found 12/10

$467

Mon 12/223:23 pmSTT - ORD

2 stops11h 07mMultiple Airlines

Thu 1/16:45 amORD - STT

2 stops29h 15mMultiple Airlines

Deal found 12/10

$480

Fri 1/93:05 pmSTT - STL

1 stop8h 08mUnited Airlines

Sun 1/116:30 amSTL - STT

1 stop7h 48mUnited Airlines

Deal found 12/10

$858

Wed 3/254:35 pmSTT - ORD

1 stop8h 06mSpirit Airlines

Mon 3/305:15 amORD - STT

1 stop9h 13mSpirit Airlines

Deal found 12/11

$496

Wed 3/251:13 pmSTT - ORD

Nonstop5h 51mAmerican Airlines

Mon 3/308:13 amORD - STT

Nonstop4h 48mAmerican Airlines

Deal found 12/9

$500

Thu 12/253:23 pmSTT - STL

1 stop9h 10mMultiple Airlines

Mon 12/294:27 pmSTL - STT

2 stops41h 04mMultiple Airlines

Deal found 12/10

$532

Mon 1/262:54 pmSTT - ORD

2 stops10h 33mAmerican Airlines

Mon 2/95:05 amORD - STT

2 stops10h 00mAmerican Airlines

Deal found 12/9

$509

Mon 3/161:13 pmSTT - ORD

Nonstop5h 51mAmerican Airlines

Thu 3/198:13 amORD - STT

Nonstop4h 48mAmerican Airlines

Deal found 12/10

$510

Thu 12/253:39 pmSTT - STL

1 stop18h 56mAmerican Airlines

Mon 12/295:05 amSTL - STT

1 stop8h 30mAmerican Airlines

Deal found 12/10

$535

Last-minute flights from Saint Thomas Island to Illinois
Discover last-minute flight deals from Saint Thomas Island to Illinois. Data last updated December 12, 2025 and is based on user searches.

Mon 12/2212:31 pmSTT - ORD

1 stop13h 59mSpirit Airlines

Thu 1/17:20 amORD - STT

1 stop29h 08mSpirit Airlines

Deal found 12/10

$466

Mon 12/223:23 pmSTT - ORD

2 stops11h 07mMultiple Airlines

Thu 1/16:45 amORD - STT

2 stops29h 15mMultiple Airlines

Deal found 12/10

$480

Mon 12/223:05 pmSTT - ORD

Nonstop5h 40mUnited Airlines

Thu 1/18:51 amORD - STT

1 stop6h 51mUnited Airlines

Deal found 12/10

$657

Mon 12/223:39 pmSTT - ORD

Nonstop5h 36mAmerican Airlines

Thu 1/18:20 amORD - STT

Nonstop4h 52mAmerican Airlines

Deal found 12/10

$670

Thu 12/253:23 pmSTT - STL

1 stop9h 10mMultiple Airlines

Mon 12/294:27 pmSTL - STT

2 stops41h 04mMultiple Airlines

Deal found 12/10

$532

Thu 12/253:39 pmSTT - STL

1 stop18h 56mAmerican Airlines

Mon 12/295:05 amSTL - STT

1 stop8h 30mAmerican Airlines

Deal found 12/10

$535

Fri 1/93:05 pmSTT - STL

1 stop8h 08mUnited Airlines

Sun 1/116:30 amSTL - STT

1 stop7h 48mUnited Airlines

Deal found 12/10

$858

Mon 1/265:42 pmSTT - ORD

1 stop8h 04mSpirit Airlines

Mon 2/95:15 amORD - STT

1 stop9h 22mSpirit Airlines

Deal found 12/9

$317

Mon 1/262:54 pmSTT - ORD

2 stops10h 33mAmerican Airlines

Mon 2/95:05 amORD - STT

2 stops10h 00mAmerican Airlines

Deal found 12/9

$509

Mon 1/263:05 pmSTT - ORD

Nonstop5h 40mUnited Airlines

Mon 2/99:30 amORD - STT

Nonstop4h 48mUnited Airlines

Deal found 12/9

$590

One-way flights from Saint Thomas Island to Illinois
Search for one-way flight options from Saint Thomas Island to Illinois. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Sat 2/73:57 pmSTT - ORD

1 stop19h 13mMultiple Airlines

Deal found 12/10

$142

Wed 1/712:31 pmSTT - ORD

1 stop24h 51mSpirit Airlines

Deal found 12/8

$143

Wed 1/73:23 pmSTT - ORD

2 stops22h 12mMultiple Airlines

Deal found 12/8

$155

Mon 2/235:40 pmSTT - ORD

1 stop8h 38mSpirit Airlines

Deal found 12/10

$156

Fri 1/95:42 pmSTT - ORD

1 stop8h 04mSpirit Airlines

Deal found 12/10

$160

Fri 1/163:57 pmSTT - ORD

1 stop24h 42mMultiple Airlines

Deal found 12/8

$161

Fri 1/93:57 pmSTT - ORD

1 stop29h 20mMultiple Airlines

Deal found 12/8

$162

Sat 2/75:42 pmSTT - ORD

1 stop29h 21mSpirit Airlines

Deal found 12/11

$163

Tue 2/103:57 pmSTT - ORD

1 stop27h 55mSpirit Airlines

Deal found 12/11

$168

Wed 12/314:15 pmSTT - STL

1 stop9h 23mDelta

Deal found 12/10

$236

Wed 12/313:23 pmSTT - STL

2 stops21h 33mSpirit Airlines

Deal found 12/10

$284

Wed 12/316:36 pmSTT - STL

2 stops21h 00mAmerican Airlines

Deal found 12/10

$291

Find flight deals from Saint Thomas Island to Illinois

Round-trip from	$317 (FlightHub)
One-way from	$142 (Kiwi.com)
Good one-way deal	$343 or less

From Saint Thomas Island Cyril E King to Illinois

Search Deals

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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Cheapflights Fare Finder

Use the filters below to find and compare flights from Saint Thomas Island to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Saint Thomas IslandChicago

STT - ORD

STTORD

Saint Thomas Island Cyril E King

Mon 12/22

12:31 pm-12:30 am

1 stop13h 59m

Chicago O'Hare Intl

Thu 1/1

7:20 am-2:28 pm

1 stop29h 08m

$466

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Wed 3/11

1:52 pm-11:52 pm

2 stops11h 00m

Lambert-St Louis

Fri 3/13

6:00 am-2:01 pm

1 stop7h 01m

$467

Saint Thomas IslandChicago

STT - ORD

STTORD

Saint Thomas Island Cyril E King

Mon 12/22

3:23 pm-12:30 am

2 stops11h 07m

Chicago O'Hare Intl

Thu 1/1

6:45 am-2:00 pm

2 stops29h 15m

$480

Saint Thomas IslandChicago

STT - ORD

STTORD

Saint Thomas Island Cyril E King

Wed 3/25

4:35 pm-11:41 pm

1 stop8h 06m

Chicago O'Hare Intl

Mon 3/30

5:15 am-3:28 pm

1 stop9h 13m

$496

Saint Thomas IslandChicago

STT - ORD

STTORD

Saint Thomas Island Cyril E King

Wed 3/25

1:13 pm-6:04 pm

Nonstop5h 51m

Chicago O'Hare Intl

Mon 3/30

8:13 am-2:01 pm

Nonstop4h 48m

$500

Saint Thomas IslandChicago

STT - ORD

STTORD

Saint Thomas Island Cyril E King

Mon 1/26

2:54 pm-11:27 pm

2 stops10h 33m

Chicago O'Hare Intl

Mon 2/9

5:05 am-5:05 pm

2 stops10h 00m

$509

Saint Thomas IslandChicago

STT - ORD

STTORD

Saint Thomas Island Cyril E King

Mon 3/16

1:13 pm-6:04 pm

Nonstop5h 51m

Chicago O'Hare Intl

Thu 3/19

8:13 am-2:01 pm

Nonstop4h 48m

$510

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Thu 12/25

3:23 pm-10:33 pm

1 stop9h 10m

Lambert-St Louis

Mon 12/29

4:27 pm-11:31 am

2 stops41h 04m

$532

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Thu 12/25

3:39 pm-8:35 am

1 stop18h 56m

Lambert-St Louis

Mon 12/29

5:05 am-3:35 pm

1 stop8h 30m

$535

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Fri 1/9

3:05 pm-9:13 pm

1 stop8h 08m

Lambert-St Louis

Sun 1/11

6:30 am-4:18 pm

1 stop7h 48m

$858

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 26 results

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?

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.

Reviews of airlines servicing Illinois

Read reviews from past customers who have flown American Airlines and Spirit Airlines from Saint Thomas Island to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.2

Good

11,049 reviews

Reviews

1 / 20

10.0

Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

American Airlines

7.2

Good

11,049 reviews

American Airlines

7.2

Good

11,049 reviews

Reviews

1 / 20

10.0

Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Spirit Airlines

6.3

Okay

8,178 reviews

American Airlines

7.2

Good

11,049 reviews

Reviews

1 / 20

10.0

Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Related info for your journey

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.
How long is the flight from Saint Thomas Island to Illinois?
There are many flights that can get you from Saint Thomas Island to Illinois in 11h. Fly via Spirit Airlines or American Airlines to get the fastest option. Airlines will cover a distance of 2074 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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 $112. Users have also found prices from $271 and $271 on American Airlines and United Airlines, respectively.
What are the cheapest flights from Saint Thomas Island to Illinois?
Looking at all options, your cheapest flight can be booked for $170. While the most popular route (Saint Thomas Island Cyril E King - Chicago O'Hare Intl) can be booked for $322 on average, our data indicates $361 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Illinois car rentals

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Top 2 airlines flying from Saint Thomas Island to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$227	Average$392	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$306	Average$559	FlexibilityNo cancel fee	On-time71%

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$142+ 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Saint Thomas Island to Illinois with Cheapflights

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Cheap flight deals from Saint Thomas Island to Illinois

Cheapest flights from Saint Thomas Island to IllinoisExplore 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 December 12, 2025.

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 December 12, 2025.

Find 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 December 12, 2025.

Round-trip from

One-way from

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Saint Thomas Island to Illinois that are best for you.

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.

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 December 12, 2025.

Reviews of airlines servicing Illinois

Read reviews from past customers who have flown American Airlines and Spirit Airlines from Saint Thomas Island to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

How long is the flight from Saint Thomas Island to Illinois?

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Saint Thomas Island to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Saint Thomas Island to Illinois

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Travel Smart

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 December 12, 2025.