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Cheap flights from Illinois to Saint Thomas Island from $111

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 2/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:30 am - 4:18 pmORD-STT
4h 48mnonstop
United Airlines Logo
3:05 pm - 6:45 pmSTT-ORD
5h 40mnonstop
$242United Airlines
Find Deal
Mon, Feb 16 - Thu, Feb 19
American Airlines Logo
8:50 am - 3:32 pmORD-STT
4h 42mnonstop
American Airlines Logo
1:50 pm - 11:27 pmSTT-ORD
11h 37m1 stop
$247American Airlines
Find Deal
Tue, Jan 6 - Tue, Jan 13
Spirit Airlines Logo
6:05 am - 3:11 pmORD-STT
7h 06m1 stop
Spirit Airlines Logo
4:06 pm - 9:23 pmSTT-ORD
7h 17m1 stop
$250Spirit Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
American Airlines Logo
6:05 am - 3:06 pmORD-STT
7h 01m1 stop
American Airlines Logo
6:39 pm - 9:05 amSTT-ORD
16h 26m1 stop
$251American Airlines
Find Deal
Mon, Jan 19 - Fri, Jan 23
American Airlines Logo
8:10 am - 4:57 pmORD-STT
6h 47m1 stop
American Airlines Logo
5:10 pm - 10:56 pmSTT-ORD
7h 46m1 stop
$252American Airlines
Find Deal
Sun, Nov 16 - Sat, Nov 22
Spirit Airlines Logo
6:05 am - 3:11 pmORD-STT
7h 06m1 stop
Spirit Airlines Logo
4:06 pm - 9:23 pmSTT-ORD
7h 17m1 stop
$257Spirit Airlines
Find Deal
Thu, Feb 5 - Sat, Feb 7
Multiple Airlines Logo
9:47 am - 2:28 pmORD-STT
26h 41m1 stop
Multiple Airlines Logo
4:06 pm - 9:23 pmSTT-ORD
7h 17m1 stop
$265Multiple Airlines
Find Deal
Mon, Jan 5 - Sat, Jan 10
Multiple Airlines Logo
11:48 am - 12:55 pmORD-STT
23h 07m1 stop
Multiple Airlines Logo
3:25 pm - 11:06 pmSTT-ORD
9h 41m1 stop
$292Multiple Airlines
Find Deal
Tue, Nov 25 - Thu, Nov 27
Delta Logo
6:45 am - 3:04 pmMDW-STT
6h 19m1 stop
Delta Logo
4:15 pm - 10:09 pmSTT-MDW
7h 54m1 stop
$345Delta
Find Deal
Tue, Jan 6 - Tue, Jan 13
Delta Logo
6:45 am - 4:10 pmMDW-STT
7h 25m1 stop
Delta Logo
4:15 pm - 10:09 pmSTT-MDW
7h 54m1 stop
$410Delta
Find Deal
Fri, Jan 9 - Fri, Jan 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
Jan 22
ORD6:05 amChicago O'Hare Intl
7h 06m
1 stop
STT3:11 pmSaint Thomas Island Cyril E King
Jan 26
STT4:06 pmSaint Thomas Island Cyril E King
7h 17m
1 stop
ORD9:23 pmChicago O'Hare Intl
$250
Find similar
Spirit Airlines
Feb 5
ORD6:05 amChicago O'Hare Intl
7h 06m
1 stop
STT3:11 pmSaint Thomas Island Cyril E King
Feb 7
STT4:06 pmSaint Thomas Island Cyril E King
7h 17m
1 stop
ORD9:23 pmChicago O'Hare Intl
$257
Find similar
Spirit Airlines
Jan 31
ORD6:05 amChicago O'Hare Intl
7h 06m
1 stop
STT3:11 pmSaint Thomas Island Cyril E King
Feb 8
STT4:06 pmSaint Thomas Island Cyril E King
7h 17m
1 stop
ORD9:23 pmChicago O'Hare Intl
$259
Find similar

Delta flights from Illinois to Saint Thomas Island

Our best Delta deals on Illinois to Saint Thomas Island flight tickets
Delta
Jan 6
MDW6:45 amChicago Midway
6h 19m
1 stop
STT3:04 pmSaint Thomas Island Cyril E King
Jan 13
STT4:15 pmSaint Thomas Island Cyril E King
7h 54m
1 stop
MDW10:09 pmChicago Midway
$345
Find similar
Delta
Jan 9
MDW6:45 amChicago Midway
7h 25m
1 stop
STT4:10 pmSaint Thomas Island Cyril E King
Jan 16
STT4:15 pmSaint Thomas Island Cyril E King
7h 54m
1 stop
MDW10:09 pmChicago Midway
$410
Find similar
Delta
Jan 6
MDW6:45 amChicago Midway
6h 19m
1 stop
STT3:04 pmSaint Thomas Island Cyril E King
Jan 16
STT3:10 pmSaint Thomas Island Cyril E King
8h 59m
1 stop
MDW10:09 pmChicago Midway
$439
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 29, 2025.
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

Mon 2/16

9:30 am-4:18 pm

Nonstop4h 48m

Saint Thomas Island Cyril E King

Thu 2/19

3:05 pm-6:45 pm

Nonstop5h 40m

$242

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Tue 1/6

8:50 am-3:32 pm

Nonstop4h 42m

Saint Thomas Island Cyril E King

Tue 1/13

1:50 pm-11:27 pm

1 stop11h 37m

$247

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Thu 1/22

6:05 am-3:11 pm

1 stop7h 06m

Saint Thomas Island Cyril E King

Mon 1/26

4:06 pm-9:23 pm

1 stop7h 17m

$250

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Mon 1/19

6:05 am-3:06 pm

1 stop7h 01m

Saint Thomas Island Cyril E King

Fri 1/23

6:39 pm-9:05 am

1 stop16h 26m

$251

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Sun 11/16

8:10 am-4:57 pm

1 stop6h 47m

Saint Thomas Island Cyril E King

Sat 11/22

5:10 pm-10:56 pm

1 stop7h 46m

$252

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Thu 2/5

6:05 am-3:11 pm

1 stop7h 06m

Saint Thomas Island Cyril E King

Sat 2/7

4:06 pm-9:23 pm

1 stop7h 17m

$257

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Mon 1/5

9:47 am-2:28 pm

1 stop26h 41m

Saint Thomas Island Cyril E King

Sat 1/10

4:06 pm-9:23 pm

1 stop7h 17m

$265

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Tue 11/25

11:48 am-12:55 pm

1 stop23h 07m

Saint Thomas Island Cyril E King

Thu 11/27

3:25 pm-11:06 pm

1 stop9h 41m

$292

ChicagoSaint Thomas Island

MDW - STT

MDWSTT

Chicago Midway

Tue 1/6

6:45 am-3:04 pm

1 stop6h 19m

Saint Thomas Island Cyril E King

Tue 1/13

4:15 pm-10:09 pm

1 stop7h 54m

$345

ChicagoSaint Thomas Island

MDW - STT

MDWSTT

Chicago Midway

Fri 1/9

6:45 am-4:10 pm

1 stop7h 25m

Saint Thomas Island Cyril E King

Fri 1/16

4:15 pm-10:09 pm

1 stop7h 54m

$410

Flights are sorted by cheapest round-trip flights first.

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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

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

The month of October is another great option to travel to Saint Thomas Island, with average flight prices from Illinois averaging around $554.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $653. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Saint Thomas Island for around $1,075.

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

The cheapest time of day to fly to Saint Thomas Island is in the afternoon when flights can be purchased for as low as $397. Flights to Saint Thomas Island are more costly in the morning, with an average ticket price of $772. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $647 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 $489 on momondo.

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

There is only 1 cabin class 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 52% 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

$323

Fastest flight time

4h 35m

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 $323. The best round-trip flight deal from Illinois to Saint Thomas Island found on momondo in the last 72 hours is $579.
The fastest flight from Illinois to Saint Thomas Island takes 4h 35m
Direct flights go from Illinois to Saint Thomas Island every day.
There is 1 airport near Saint Thomas Island: 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?

  • 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?

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 AirlinesPriceFrom $182Free CancellationRating
6.3
8,114 reviews
Search Spirit Airlines flights
DeltaPriceFrom $359Free CancellationRating
7.9
7,992 reviews
Search Delta flights
United AirlinesPriceFrom $474Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights
American AirlinesPriceFrom $479Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights

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

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.

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