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 United Airlines and Delta, with prices starting from $246 and $268, respectively.

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

While some choose either Lambert-St Louis - Saint Thomas Island Cyril E King or Chicago Midway - 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 $303. While the most popular route (Chicago O'Hare Intl - Saint Thomas Island Cyril E King) can be booked for $230 on average our data indicates $670 when flying from Illinois to Saint Thomas Island.

What are the most popular airlines that fly from Illinois to Saint Thomas Island?

Consider American Airlines, Delta or Spirit Airlines when booking your flight. These represent the most popular airlines when flying from Illinois to Saint Thomas Island.

How far in advance should I book a flight from Illinois to Saint Thomas Island?

To save up to 195% on this flight, we recommend booking at least 47 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Illinois to Saint Thomas Island from $292 1-2 weeks out and tickets from $629 for flights departing within the next 72 hours.

What is the cheapest month to fly from Illinois to Saint Thomas Island?

Due to multiple factors, expect to potentially pay more when booking in March. For low rates, September can be a great choice for travel to Saint Thomas Island. Flights to Saint Thomas Island from Illinois in September are about $606 on average during September, but can be found for as low as $181.

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.

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.

$115+ Flights from Illinois to Saint Thomas Island

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Cheap flight deals from Illinois to Saint Thomas Island

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$297 (FlightHub)
One-way from	$115 (Mytrip)
Popular in	March
Cheapest in	September
Average price	$537
Good round-trip deal	$736 or less
Good one-way deal	$398 or less

Provider with most accurate pricing for Chicago (CHI)-Saint Thomas Island Cyril E King flight deals.

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Provider most trusted by Cheapflights users for Chicago (CHI)-Saint Thomas Island Cyril E King flights.

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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

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($44 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).

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Average for round-trip flights in April 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 April 4, 2025.

Sat 5/109:14 pmORD - STT

2 stops17h 16mSpirit Airlines

Sat 5/1710:52 amSTT - ORD

1 stop14h 13mSpirit Airlines

Deal found 4/3

$297

Sat 5/2410:10 amSTL - STT

1 stop22h 47mSpirit Airlines

Fri 5/3010:52 amSTT - STL

1 stop23h 23mSpirit Airlines

Deal found 4/3

$333

Sun 4/207:05 pmORD - STT

3 stops37h 55mMultiple Airlines

Sat 4/2611:05 amSTT - ORD

1 stop14h 53mMultiple Airlines

Deal found 4/4

$376

Mon 4/214:57 pmSTL - STT

1 stop18h 17mMultiple Airlines

Mon 4/281:09 pmSTT - STL

1 stop11h 55mMultiple Airlines

Deal found 4/4

$461

Tue 9/166:00 amSTL - STT

1 stop6h 39mDelta

Tue 9/232:49 pmSTT - STL

1 stop9h 50mDelta

Deal found 4/3

$476

Sat 11/86:24 pmSTL - STT

2 stops17h 36mAmerican Airlines

Thu 11/206:15 pmSTT - STL

2 stops16h 37mAmerican Airlines

Deal found 4/4

$477

Wed 5/286:00 amMDW - STT

1 stop8h 10mDelta

Wed 6/42:51 pmSTT - MDW

1 stop7h 36mDelta

Deal found 4/3

$479

Wed 11/56:50 pmORD - STT

1 stop17h 10mAmerican Airlines

Thu 11/134:45 pmSTT - ORD

2 stops9h 32mAmerican Airlines

Deal found 4/3

$479

Tue 9/235:55 amMLI - STT

1 stop6h 44mDelta

Wed 10/12:49 pmSTT - MLI

1 stop8h 41mDelta

Deal found 4/3

$488

Sun 9/286:36 pmSPI - STT

2 stops17h 14mAmerican Airlines

Sat 10/41:50 pmSTT - SPI

2 stops23h 54mAmerican Airlines

Deal found 4/3

$509

Wed 5/147:05 amORD - STT

1 stop7h 05mDelta

Tue 5/202:51 pmSTT - ORD

1 stop10h 07mDelta

Deal found 4/3

$509

Wed 12/3111:21 amBMI - STT

2 stops22h 59mAmerican Airlines

Thu 1/84:25 pmSTT - BMI

2 stops20h 12mAmerican Airlines

Deal found 4/3

$509

Best flights from Illinois to Saint Thomas Island
Discover carefully curated flight deals from Illinois to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 4, 2025.

Sat 5/109:14 pmORD - STT

2 stops17h 16mSpirit Airlines

Sat 5/1710:52 amSTT - ORD

1 stop14h 13mSpirit Airlines

Deal found 4/3

$297

Sun 4/207:05 pmORD - STT

3 stops37h 55mMultiple Airlines

Sat 4/2611:05 amSTT - ORD

1 stop14h 53mMultiple Airlines

Deal found 4/4

$376

Tue 9/166:00 amSTL - STT

1 stop6h 39mDelta

Tue 9/232:49 pmSTT - STL

1 stop9h 50mDelta

Deal found 4/3

$476

Sat 8/164:54 pmSTL - STT

2 stops18h 46mAmerican Airlines

Mon 8/185:25 pmSTT - STL

2 stops19h 29mAmerican Airlines

Deal found 4/2

$477

Fri 5/99:20 pmORD - STT

2 stops14h 48mUnited Airlines

Mon 5/122:10 pmSTT - ORD

1 stop10h 34mUnited Airlines

Deal found 4/3

$542

Sat 5/2410:10 amSTL - STT

1 stop22h 47mSpirit Airlines

Fri 5/3010:52 amSTT - STL

1 stop23h 23mSpirit Airlines

Deal found 4/3

$333

Mon 4/214:57 pmSTL - STT

1 stop18h 17mMultiple Airlines

Mon 4/281:09 pmSTT - STL

1 stop11h 55mMultiple Airlines

Deal found 4/4

$461

Wed 5/286:00 amMDW - STT

1 stop8h 10mDelta

Wed 6/42:51 pmSTT - MDW

1 stop7h 36mDelta

Deal found 4/3

$479

Sun 5/188:17 pmORD - STT

2 stops13h 38mAmerican Airlines

Sat 5/245:05 pmSTT - ORD

1 stop19h 04mAmerican Airlines

Deal found 4/3

$494

Tue 6/105:45 amORD - STT

1 stop8h 06mDelta

Tue 6/171:19 pmSTT - ORD

1 stop11h 40mDelta

Deal found 4/3

$479

Sun 9/286:36 pmSPI - STT

2 stops17h 14mAmerican Airlines

Sat 10/41:50 pmSTT - SPI

2 stops23h 54mAmerican Airlines

Deal found 4/3

$509

Tue 9/235:55 amMLI - STT

1 stop6h 44mDelta

Thu 10/22:49 pmSTT - MLI

1 stop8h 41mDelta

Deal found 4/3

$488

Last-minute flights from Illinois to Saint Thomas Island
Discover last-minute flight deals from Illinois to Saint Thomas Island. Data last updated April 4, 2025 and is based on user searches.

Thu 4/105:45 amORD - STT

1 stop8h 14mDelta

Fri 4/113:00 pmSTT - ORD

1 stop6h 59mDelta

Deal found 4/3

$1,019

Fri 4/115:07 pmORD - STT

1 stop14h 28mSpirit Airlines

Tue 4/151:09 pmSTT - ORD

1 stop8h 34mSpirit Airlines

Deal found 4/3

$381

Sat 4/1211:45 amORD - STT

2 stops21h 15mMultiple Airlines

Tue 4/155:45 pmSTT - ORD

3 stops21h 41mMultiple Airlines

Deal found 4/3

$664

Sat 4/1210:57 amORD - STT

Nonstop5h 03mUnited Airlines

Tue 4/152:10 pmSTT - ORD

1 stop10h 30mUnited Airlines

Deal found 4/3

$805

Sat 4/127:00 amORD - STT

2 stops8h 59mAmerican Airlines

Sat 4/195:50 pmSTT - ORD

1 stop15h 53mAmerican Airlines

Deal found 4/3

$984

Sun 4/136:00 amMDW - STT

1 stop6h 44mDelta

Sun 4/203:00 pmSTT - MDW

1 stop8h 22mDelta

Deal found 4/4

$1,009

Sun 4/207:05 pmORD - STT

3 stops37h 55mMultiple Airlines

Sat 4/2611:05 amSTT - ORD

1 stop14h 53mMultiple Airlines

Deal found 4/4

$376

Sun 4/206:00 amSTL - STT

1 stop6h 49mDelta

Thu 4/243:00 pmSTT - STL

1 stop9h 36mDelta

Deal found 4/3

$636

Mon 4/214:57 pmSTL - STT

1 stop18h 17mMultiple Airlines

Mon 4/281:09 pmSTT - STL

1 stop11h 55mMultiple Airlines

Deal found 4/4

$461

Tue 4/225:00 amPIA - STT

2 stops9h 26mAmerican Airlines

Tue 4/295:50 pmSTT - PIA

2 stops22h 13mAmerican Airlines

Deal found 4/3

$601

Fri 5/99:20 pmORD - STT

2 stops14h 48mUnited Airlines

Mon 5/122:10 pmSTT - ORD

1 stop10h 34mUnited Airlines

Deal found 4/3

$542

Sat 5/109:14 pmORD - STT

2 stops17h 16mSpirit Airlines

Sat 5/1710:52 amSTT - ORD

1 stop14h 13mSpirit Airlines

Deal found 4/3

$297

One-way flights from Illinois to Saint Thomas Island
Search for one-way flight options from Illinois to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated April 4, 2025.

Sun 5/114:35 pmORD - STT

1 stop20h 01mSpirit Airlines

Deal found 4/3

$115

Fri 5/21:19 pmMDW - STT

1 stop18h 16mMultiple Airlines

Deal found 4/4

$153

Thu 5/19:20 pmORD - STT

2 stops17h 23mUnited Airlines

Deal found 4/2

$246

Sat 5/106:00 amMDW - STT

1 stop6h 41mDelta

Deal found 4/4

$268

Sun 5/45:30 amORD - STT

1 stop7h 19mDelta

Deal found 4/4

$268

Tue 7/86:00 amSTL - STT

1 stop8h 01mDelta

Deal found 4/4

$278

Sat 5/175:00 amPIA - STT

2 stops10h 20mAmerican Airlines

Deal found 4/3

$310

Sun 5/43:59 pmORD - STT

2 stops17h 56mAmerican Airlines

Deal found 4/2

$313

Tue 7/85:31 pmSTL - STT

3 stops21h 12mUnited Airlines

Deal found 4/4

$442

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Sat 5/10

9:14 pm-3:30 pm

2 stops17h 16m

Saint Thomas Island Cyril E King

Sat 5/17

10:52 am-12:05 am

1 stop14h 13m

$297

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sat 5/24

10:10 am-9:57 am

1 stop22h 47m

Saint Thomas Island Cyril E King

Fri 5/30

10:52 am-9:15 am

1 stop23h 23m

$333

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Sun 4/20

7:05 pm-10:00 am

3 stops37h 55m

Saint Thomas Island Cyril E King

Sat 4/26

11:05 am-12:58 am

1 stop14h 53m

$376

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Mon 4/21

4:57 pm-12:14 pm

1 stop18h 17m

Saint Thomas Island Cyril E King

Mon 4/28

1:09 pm-12:04 am

1 stop11h 55m

$461

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Tue 9/16

6:00 am-1:39 pm

1 stop6h 39m

Saint Thomas Island Cyril E King

Tue 9/23

2:49 pm-11:39 pm

1 stop9h 50m

$476

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sat 8/16

4:54 pm-12:40 pm

2 stops18h 46m

Saint Thomas Island Cyril E King

Mon 8/18

5:25 pm-11:54 am

2 stops19h 29m

$477

ChicagoSaint Thomas Island

MDW - STT

MDWSTT

Chicago Midway

Wed 5/28

6:00 am-3:10 pm

1 stop8h 10m

Saint Thomas Island Cyril E King

Wed 6/4

2:51 pm-9:27 pm

1 stop7h 36m

$479

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Tue 6/10

5:45 am-2:51 pm

1 stop8h 06m

Saint Thomas Island Cyril E King

Tue 6/17

1:19 pm-11:59 pm

1 stop11h 40m

$479

MolineSaint Thomas Island

MLI - STT

MLISTT

Moline Quad-City

Tue 9/23

5:55 am-1:39 pm

1 stop6h 44m

Saint Thomas Island Cyril E King

Thu 10/2

2:49 pm-10:30 pm

1 stop8h 41m

$488

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Sun 5/18

8:17 pm-10:55 am

2 stops13h 38m

Saint Thomas Island Cyril E King

Sat 5/24

5:05 pm-11:09 am

1 stop19h 04m

$494

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Showing 1-10 of 31 results

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 $640). 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?

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

See what other customers who have flown with Delta, United Airlines and American Airlines from Illinois to Saint Thomas Island have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,900 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,900 reviews

Delta

8.0

Very good

7,900 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,618 reviews

Delta

8.0

Very good

7,900 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,900 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Spirit Airlines

6.3

Okay

7,892 reviews

Delta

8.0

Very good

7,900 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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 United Airlines and Delta, with prices starting from $246 and $268, respectively.
What are the most popular routes from Illinois to Saint Thomas Island?
While some choose either Lambert-St Louis - Saint Thomas Island Cyril E King or Chicago Midway - 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 $303. While the most popular route (Chicago O'Hare Intl - Saint Thomas Island Cyril E King) can be booked for $230 on average our data indicates $670 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 $640). 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

St. John

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Illinois to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$189	Average$331	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$402	Average$712	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$463	Average$623	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$483	Average$758	FlexibilityNo cancel fee	On-time69%

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$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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Saint Thomas Island with Cheapflights

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3. Compare prices and book

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 April 4, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Illinois to Saint Thomas Island

Cheapest flights from Illinois to Saint Thomas IslandExplore 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 April 4, 2025.

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 April 4, 2025.

Cheapflights Fare Finder

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

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.

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?

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 April 4, 2025.

Reviews of airlines servicing Saint Thomas Island

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?

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

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

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

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

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

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

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

Traveling to a place near Illinois?

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Alternative routes for Illinois to Saint Thomas Island

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Top 4 airlines flying from Illinois to Saint Thomas Island

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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 April 4, 2025.