What is the cheapest airline that flies from Illinois to Saint Thomas Island Cyril E King?

Spirit Airlines, Southwest, and American Airlines are the most popular carriers operating from Illinois to Saint Thomas Island Cyril E King

How many flights depart from Illinois to Saint Thomas Island on average per day?

As of March 2026, there are 2 flights per day flying from Illinois to Saint Thomas Island. The most common time of day flights depart is 8:00AM, with 100% of flights taking off at noon.

How long does it take to fly to Saint Thomas Island?

Average flight duration from Illinois to Saint Thomas Island depends on which airport you fly into and out of. Flying from Chicago to Saint Thomas Island is 5h 46m on average, while flying from Moline to Saint Thomas Island is 6h 57m on average. Saint Thomas Island is the most popular airport in Saint Thomas Island.

How many flights depart from Illinois to Saint Thomas Island on average per week?

As of March 2026, there are 16 flights per week flying from Illinois to Saint Thomas Island. The most common day of the week flights depart is Mon, with 19% of flights taking off on this day.

What airlines fly to Saint Thomas Island?

American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to Saint Thomas Island from Illinois according to our data. American Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Saint Thomas Island. Keep in mind that there are 4 different airlines that fly to Saint Thomas Island on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Illinois to Saint Thomas Island Cyril E King Airport?

Prices for flights from Illinois to Saint Thomas Island Cyril E King Airport refresh daily.

How many operators does momondo search for flights from Illinois to Saint Thomas Island Cyril E King Airport?

There are 5 operators available for flights from Illinois to Saint Thomas Island Cyril E King Airport as of March 2026.

How old do you have to be to fly from Illinois to Saint Thomas Island Cyril E King Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Saint Thomas Island Cyril E King Airport.

What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?

The required travel and health documents for your Saint Thomas Island Cyril E King Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Thomas Island Cyril E King Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$128 Cheap Flights from Illinois to Saint Thomas Island in 2026

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Illinois to Saint Thomas Island

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:17 am - 3:28 pm

ORD

STT

7h 11m

1 stop

12:25 pm - 12:24 am

STT

ORD

12h 59m

1 stop

$265Spirit Airlines

Mon, Apr 6 - Wed, Apr 15

5:05 am - 3:28 pm

ORD

STT

9h 23m

1 stop

4:35 pm - 9:36 am

STT

ORD

18h 01m

1 stop

$268Spirit Airlines

Fri, Apr 10 - Tue, Apr 14

6:10 pm - 3:28 pm

ORD

STT

20h 18m

1 stop

4:35 pm - 9:36 am

STT

ORD

18h 01m

1 stop

$275Spirit Airlines

Fri, Apr 10 - Tue, Apr 14

5:05 am - 3:28 pm

ORD

STT

9h 23m

1 stop

4:35 pm - 8:05 am

STT

ORD

16h 30m

2 stops

$278Spirit Airlines

Fri, Apr 10 - Tue, Apr 14

5:05 am - 3:28 pm

ORD

STT

9h 23m

1 stop

4:35 pm - 9:17 pm

STT

ORD

29h 42m

1 stop

$288Multiple Airlines

Wed, Apr 8 - Tue, Apr 14

7:46 pm - 1:26 pm

EVV

STT

16h 40m

1 stop

10:49 am - 7:06 pm

STT

EVV

9h 17m

1 stop

$323Multiple Airlines

Fri, Apr 10 - Fri, Apr 17

6:23 pm - 4:15 pm

EVV

STT

20h 52m

2 stops

3:29 pm - 10:35 am

STT

EVV

20h 06m

2 stops

$392American Airlines

Fri, Apr 10 - Fri, Apr 17

12:51 pm - 11:35 am

MLI

STT

21h 44m

2 stops

2:30 pm - 10:05 pm

STT

MLI

8h 35m

1 stop

$392American Airlines

Thu, Apr 9 - Thu, Apr 16

6:30 am - 3:31 pm

MLI

STT

8h 01m

1 stop

2:10 pm - 9:12 pm

STT

MLI

8h 02m

1 stop

$409United Airlines

Thu, Apr 9 - Thu, Apr 16

6:30 am - 3:31 pm

MLI

STT

8h 01m

1 stop

2:10 pm - 9:12 pm

STT

MLI

8h 02m

1 stop

$496United Airlines

Sun, Apr 12 - Thu, Apr 16

Spirit Airlines flights from Illinois to Saint Thomas Island

Our best Spirit Airlines deals on Illinois to Saint Thomas Island flight tickets

Spirit Airlines

Apr 10

ORD5:05 amChicago O'Hare Intl

9h 23m

1 stop

STT3:28 pmSaint Thomas Island Cyril E King

Apr 14

STT4:35 pmSaint Thomas Island Cyril E King

18h 01m

1 stop

ORD9:36 amChicago O'Hare Intl

$268

Spirit Airlines

Apr 10

ORD6:10 pmChicago O'Hare Intl

20h 18m

1 stop

STT3:28 pmSaint Thomas Island Cyril E King

Apr 14

STT4:35 pmSaint Thomas Island Cyril E King

18h 01m

1 stop

ORD9:36 amChicago O'Hare Intl

$275

Spirit Airlines

Apr 10

ORD5:05 amChicago O'Hare Intl

9h 23m

1 stop

STT3:28 pmSaint Thomas Island Cyril E King

Apr 14

STT4:35 pmSaint Thomas Island Cyril E King

16h 30m

2 stops

ORD8:05 amChicago O'Hare Intl

$278

United Airlines flights from Illinois to Saint Thomas Island

Our best United Airlines deals on Illinois to Saint Thomas Island flight tickets

United Airlines

Apr 9

MLI6:30 amMoline Quad-City

8h 01m

1 stop

STT3:31 pmSaint Thomas Island Cyril E King

Apr 16

STT2:10 pmSaint Thomas Island Cyril E King

8h 02m

1 stop

MLI9:12 pmMoline Quad-City

$409

United Airlines

Apr 12

MLI6:30 amMoline Quad-City

8h 01m

1 stop

STT3:31 pmSaint Thomas Island Cyril E King

Apr 16

STT2:10 pmSaint Thomas Island Cyril E King

8h 02m

1 stop

MLI9:12 pmMoline Quad-City

$496

United Airlines

Apr 20

PIA6:30 amGreater Peoria

8h 01m

1 stop

STT3:31 pmSaint Thomas Island Cyril E King

Apr 23

STT2:10 pmSaint Thomas Island Cyril E King

9h 47m

1 stop

PIA10:57 pmGreater Peoria

$611

momondo 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

Cheapest round-trip

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Mon 4/6

7:17 am-3:28 pm

1 stop7h 11m

Saint Thomas Island Cyril E King

Wed 4/15

12:25 pm-12:24 am

1 stop12h 59m

$265

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Fri 4/10

5:05 am-3:28 pm

1 stop9h 23m

Saint Thomas Island Cyril E King

Tue 4/14

4:35 pm-9:36 am

1 stop18h 01m

$268

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Fri 4/10

6:10 pm-3:28 pm

1 stop20h 18m

Saint Thomas Island Cyril E King

Tue 4/14

4:35 pm-9:36 am

1 stop18h 01m

$275

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Fri 4/10

5:05 am-3:28 pm

1 stop9h 23m

Saint Thomas Island Cyril E King

Tue 4/14

4:35 pm-8:05 am

2 stops16h 30m

$278

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Wed 4/8

5:05 am-3:28 pm

1 stop9h 23m

Saint Thomas Island Cyril E King

Tue 4/14

4:35 pm-9:17 pm

1 stop29h 42m

$288

EvansvilleSaint Thomas Island

EVV - STT

EVVSTT

Evansville Dress Regional

Fri 4/10

7:46 pm-1:26 pm

1 stop16h 40m

Saint Thomas Island Cyril E King

Fri 4/17

10:49 am-7:06 pm

1 stop9h 17m

$323

EvansvilleSaint Thomas Island

EVV - STT

EVVSTT

Evansville Dress Regional

Fri 4/10

6:23 pm-4:15 pm

2 stops20h 52m

Saint Thomas Island Cyril E King

Fri 4/17

3:29 pm-10:35 am

2 stops20h 06m

$392

MolineSaint Thomas Island

MLI - STT

MLISTT

Moline Quad-City

Thu 4/9

12:51 pm-11:35 am

2 stops21h 44m

Saint Thomas Island Cyril E King

Thu 4/16

2:30 pm-10:05 pm

1 stop8h 35m

$392

Quickest round-trip

MolineSaint Thomas Island

MLI - STT

MLISTT

Moline Quad-City

Thu 4/9

6:30 am-3:31 pm

1 stop8h 01m

Saint Thomas Island Cyril E King

Thu 4/16

2:10 pm-9:12 pm

1 stop8h 02m

$409

MolineSaint Thomas Island

MLI - STT

MLISTT

Moline Quad-City

Sun 4/12

6:30 am-3:31 pm

1 stop8h 01m

Saint Thomas Island Cyril E King

Thu 4/16

2:10 pm-9:12 pm

1 stop8h 02m

$496

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Saint Thomas Island

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

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

The month of January is another great option to travel to Saint Thomas Island, with average flight prices from Illinois averaging around $529.

What is the cheapest day to depart on your flight to Saint Thomas Island?

On average, the least expensive day to fly to Saint Thomas Island from Illinois is on a Thursday. momondo users have found tickets for Thursday departures for as low as $610. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Saint Thomas Island for around $790.

What is the cheapest Illinois to Saint Thomas Island Cyril E King flight route?

Fly from Chicago O'Hare Intl to Saint Thomas Island Cyril E King for the best Illinois - Saint Thomas Island Cyril E King flight prices

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

You are more likely to see cheaper flights to Saint Thomas Island from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $636 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Saint Thomas Island from Illinois for as low as $525 on momondo.

What cabin class options are available on Illinois to Saint Thomas Island Cyril E King flights?

There are 2 cabin classes available to choose from on Illinois to Saint Thomas Island Cyril E King flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Saint Thomas Island flights?

You could potentially save up to 51% on your flight if you consider stops on a Illinois to Saint Thomas Island flight.

Cheap Illinois to Saint Thomas Island flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Saint Thomas Island

Best Price Found	$318
Fastest flight time	4h 48m
Direct flights	Every day
Airports in Saint Thomas Island	1 airport

The best one-way flight to Saint Thomas Island from Illinois in the past 72 hours is $318. The best round-trip flight deal from Illinois to Saint Thomas Island found on momondo in the last 72 hours is $588.

The fastest flight from Illinois to Saint Thomas Island takes 4h 48m

Direct flights go from Illinois to Saint Thomas Island every day.

There is 1 airport in Saint Thomas Island. From Illinois there are direct flights to Saint Thomas Island Cyril E King (STT).

Search flight deals

When did momondo last update prices for flights from Illinois to Saint Thomas Island Cyril E King Airport?
Prices for flights from Illinois to Saint Thomas Island Cyril E King Airport refresh daily.
How many operators does momondo search for flights from Illinois to Saint Thomas Island Cyril E King Airport?
There are 5 operators available for flights from Illinois to Saint Thomas Island Cyril E King Airport as of March 2026.
How old do you have to be to fly from Illinois to Saint Thomas Island Cyril E King Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Saint Thomas Island Cyril E King Airport.
What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?
The required travel and health documents for your Saint Thomas Island Cyril E King Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Thomas Island Cyril E King Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Illinois to Saint Thomas Island?
Based on momondo bookings for flights between Illinois and Saint Thomas Island, the leading plane model is Boeing 737 MAX 8, making up 57.00% of the total bookings. Other popular models include Airbus A319 with 34.86%, Airbus A220-300 with 2.54%, and Airbus A320-100/200 with 2.54%.

Best airlines flying from Illinois to Saint Thomas Island

Compare and see reviews for airlines that fly from Illinois to Saint Thomas Island with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $212	Free Cancellation	Rating 6.3 8,520 reviews	Search Spirit Airlines flights
Delta	PriceFrom $359	Free Cancellation	Rating 7.9 8,292 reviews	Search Delta flights
United Airlines	PriceFrom $376	Free Cancellation	Rating 7.4 9,428 reviews	Search United Airlines flights
American Airlines	PriceFrom $499	Free Cancellation	Rating 7.1 11,466 reviews	Search American Airlines flights

St. John

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Saint Thomas Island?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint Thomas Island from Illinois.

Can I find flights from Illinois to Saint Thomas Island with flexible booking policies on momondo?

momondo does allow users to show only those flights to Saint Thomas Island from Illinois which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Illinois to Saint Thomas Island?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Saint Thomas Island.

I’m not ready to book a flight from Illinois to Saint Thomas Island right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Illinois to Saint Thomas Island flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Saint Thomas Island trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 4/15

Wed 4/22

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the U.S. Virgin Islands

Nearby airports

Airlines

Cabin classes

Other flights from Illinois

Complete your trip

Feeling lucky

Airports servicing U.S. Virgin Islands

Saint Croix Airport

Cheap flights from Illinois to Saint Thomas Island from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Saint Thomas Island departing on 4/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Illinois to Saint Thomas Island

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Spirit Airlines flights from Illinois to Saint Thomas Island

Our best Spirit Airlines deals on Illinois to Saint Thomas Island flight tickets

United Airlines flights from Illinois to Saint Thomas Island

Our best United Airlines deals on Illinois to Saint Thomas Island flight tickets

momondo Fare Finder

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

See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from Illinois to Saint Thomas Island

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

What is the cheapest day to depart on your flight to Saint Thomas Island?

What is the cheapest Illinois to Saint Thomas Island Cyril E King flight route?

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

What cabin class options are available on Illinois to Saint Thomas Island Cyril E King flights?

Can stopping save me money on Illinois to Saint Thomas Island flights?

What is the cheapest airline that flies from Illinois to Saint Thomas Island Cyril E King?

What airlines fly to Saint Thomas Island?

How many flights depart from Illinois to Saint Thomas Island on average per day?

How many flights depart from Illinois to Saint Thomas Island on average per week?

How long does it take to fly to Saint Thomas Island?

Cheap Illinois to Saint Thomas Island flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Saint Thomas Island

Best Price Found

Fastest flight time

Direct flights

Airports in Saint Thomas Island

Best airlines flying from Illinois to Saint Thomas Island

Compare and see reviews for airlines that fly from Illinois to Saint Thomas Island with momondo

Traveling to a place near Saint Thomas Island?

Why use momondo?

An easier way to manage your Saint Thomas Island trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the U.S. Virgin Islands

Airports servicing U.S. Virgin Islands

Fly your favorite airline to Saint Thomas Island

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Saint Thomas Island

List of cabin classes available on flights landing in Saint Thomas Island. Availability may vary depending on flight origin and airline.

Fly to other destinations from Illinois

According to popular flight searches on momondo this year

Complete your trip to Saint Thomas Island

Explore popular destinations other users love

According to popular flight searches on momondo this year