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Cheap flights from Illinois to Saint Thomas Island from $163

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 5/27. 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.
Multiple Airlines Logo
5:30 pm - 2:16 pm
ORD
-
STT
19h 46m
1 stop
Multiple Airlines Logo
3:21 pm - 11:13 pm
STT
-
ORD
8h 52m
1 stop
$375Multiple Airlines
Sat, May 16 - Sat, May 23
Spirit Airlines Logo
5:05 am - 12:47 pm
ORD
-
STT
6h 42m
1 stop
Spirit Airlines Logo
1:52 pm - 11:15 pm
STT
-
ORD
10h 23m
1 stop
$380Spirit Airlines
Sun, May 31 - Sat, Jun 6
American Airlines Logo
5:24 am - 4:15 pm
STL
-
STT
9h 51m
1 stop
American Airlines Logo
1:34 pm - 10:58 pm
STT
-
STL
10h 24m
1 stop
$420American Airlines
Thu, May 14 - Thu, May 21
United Airlines Logo
6:30 am - 5:00 pm
PIA
-
STT
9h 30m
1 stop
United Airlines Logo
2:10 pm - 9:10 pm
STT
-
PIA
8h 00m
1 stop
$420United Airlines
Sat, May 16 - Sat, May 23
American Airlines Logo
5:20 am - 4:15 pm
STL
-
STT
9h 55m
2 stops
American Airlines Logo
11:27 am - 7:17 pm
STT
-
STL
8h 50m
1 stop
$425American Airlines
Wed, May 13 - Wed, May 20
Delta Logo
6:00 am - 3:17 pm
STL
-
STT
8h 17m
1 stop
Delta Logo
3:01 pm - 11:59 pm
STT
-
STL
9h 58m
1 stop
$455Delta
Wed, May 13 - Wed, May 20
Southwest Logo
6:15 pm - 1:50 pm
MDW
-
STT
18h 35m
2 stops
Southwest Logo
2:35 pm - 10:40 pm
STT
-
MDW
9h 05m
1 stop
$534Southwest
Thu, Sep 10 - Mon, Sep 14
Southwest Logo
7:55 pm - 1:20 pm
MDW
-
STT
16h 25m
2 stops
Southwest Logo
2:45 pm - 10:50 pm
STT
-
MDW
9h 05m
2 stops
$554Southwest
Fri, Sep 25 - Fri, Oct 2
Delta Logo
6:18 am - 3:17 pm
EVV
-
STT
7h 59m
1 stop
Delta Logo
3:01 pm - 9:44 pm
STT
-
EVV
7h 43m
1 stop
$577Delta
Wed, May 20 - Wed, May 27
United Airlines Logo
3:47 pm - 12:20 pm
MLI
-
STT
19h 33m
2 stops
United Airlines Logo
2:10 pm - 9:02 pm
STT
-
MLI
7h 52m
1 stop
$1,010United Airlines
Tue, May 12 - Sat, May 16

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American Airlines flights from Illinois to Saint Thomas Island

Our best American Airlines deals on Illinois to Saint Thomas Island flight tickets
American Airlines
May 14
STL5:24 amLambert-St Louis
9h 51m
1 stop
STT4:15 pmSaint Thomas Island Cyril E King
May 21
STT1:34 pmSaint Thomas Island Cyril E King
10h 24m
1 stop
STL10:58 pmLambert-St Louis
$420
American Airlines
May 13
STL5:20 amLambert-St Louis
9h 55m
2 stops
STT4:15 pmSaint Thomas Island Cyril E King
May 20
STT11:27 amSaint Thomas Island Cyril E King
8h 50m
1 stop
STL7:17 pmLambert-St Louis
$425
American Airlines
May 8
PIA6:23 pmGreater Peoria
20h 52m
2 stops
STT4:15 pmSaint Thomas Island Cyril E King
May 14
STT2:30 pmSaint Thomas Island Cyril E King
10h 22m
1 stop
PIA11:52 pmGreater Peoria
$445

Delta flights from Illinois to Saint Thomas Island

Our best Delta deals on Illinois to Saint Thomas Island flight tickets
Delta
May 8
MLI5:56 amMoline Quad-City
8h 21m
1 stop
STT3:17 pmSaint Thomas Island Cyril E King
May 13
STT3:01 pmSaint Thomas Island Cyril E King
8h 20m
1 stop
MLI10:21 pmMoline Quad-City
$445
Delta
May 13
STL6:00 amLambert-St Louis
8h 17m
1 stop
STT3:17 pmSaint Thomas Island Cyril E King
May 20
STT3:01 pmSaint Thomas Island Cyril E King
9h 58m
1 stop
STL11:59 pmLambert-St Louis
$455
Delta
May 29
STL6:00 amLambert-St Louis
6h 51m
1 stop
STT1:51 pmSaint Thomas Island Cyril E King
Jun 3
STT3:01 pmSaint Thomas Island Cyril E King
9h 58m
1 stop
STL11:59 pmLambert-St Louis
$567

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 May 1, 2026.
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

Sat 5/16

5:30 pm-2:16 pm

1 stop19h 46m

Saint Thomas Island Cyril E King

Sat 5/23

3:21 pm-11:13 pm

1 stop8h 52m

$375

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Sun 5/31

5:05 am-12:47 pm

1 stop6h 42m

Saint Thomas Island Cyril E King

Sat 6/6

1:52 pm-11:15 pm

1 stop10h 23m

$380

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Thu 5/14

5:24 am-4:15 pm

1 stop9h 51m

Saint Thomas Island Cyril E King

Thu 5/21

1:34 pm-10:58 pm

1 stop10h 24m

$420

PeoriaSaint Thomas Island

PIA - STT

PIASTT

Greater Peoria

Sat 5/16

6:30 am-5:00 pm

1 stop9h 30m

Saint Thomas Island Cyril E King

Sat 5/23

2:10 pm-9:10 pm

1 stop8h 00m

$420

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Wed 5/13

5:20 am-4:15 pm

2 stops9h 55m

Saint Thomas Island Cyril E King

Wed 5/20

11:27 am-7:17 pm

1 stop8h 50m

$425

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Wed 5/13

6:00 am-3:17 pm

1 stop8h 17m

Saint Thomas Island Cyril E King

Wed 5/20

3:01 pm-11:59 pm

1 stop9h 58m

$455

ChicagoSaint Thomas Island

MDW - STT

MDWSTT

Chicago Midway

Thu 9/10

6:15 pm-1:50 pm

2 stops18h 35m

Saint Thomas Island Cyril E King

Mon 9/14

2:35 pm-10:40 pm

1 stop9h 05m

$534

ChicagoSaint Thomas Island

MDW - STT

MDWSTT

Chicago Midway

Fri 9/25

7:55 pm-1:20 pm

2 stops16h 25m

Saint Thomas Island Cyril E King

Fri 10/2

2:45 pm-10:50 pm

2 stops9h 05m

$554
Quickest round-trip

EvansvilleSaint Thomas Island

EVV - STT

EVVSTT

Evansville Dress Regional

Wed 5/20

6:18 am-3:17 pm

1 stop7h 59m

Saint Thomas Island Cyril E King

Wed 5/27

3:01 pm-9:44 pm

1 stop7h 43m

$577

MolineSaint Thomas Island

MLI - STT

MLISTT

Moline Quad-City

Tue 5/12

3:47 pm-12:20 pm

2 stops19h 33m

Saint Thomas Island Cyril E King

Sat 5/16

2:10 pm-9:02 pm

1 stop7h 52m

$1,010

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Saint Thomas Island from

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 June is another great option to travel to Saint Thomas Island, with average flight prices from Illinois averaging around $88.

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 $775.

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 from Illinois 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 $632 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 $526 on momondo.

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

You could potentially save up to 34% 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

$328

Fastest flight time

4h 48m

Direct flights

Mon and Sun

Airports in Saint Thomas Island

1 airport
The best one-way flight to Saint Thomas Island from Illinois in the past 72 hours is $328. The best round-trip flight deal from Illinois to Saint Thomas Island found on momondo in the last 72 hours is $665.
The fastest flight from Illinois to Saint Thomas Island takes 4h 48m
Direct flights go from Illinois to Saint Thomas Island on Monday and Sunday. There are no airlines offering direct flights.
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

Frequently asked questions about flying from Illinois to Saint Thomas Island

  • 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 $219Free CancellationRating
6.3
8,637 reviews
Search Spirit Airlines flights
DeltaPriceFrom $324Free CancellationRating
7.9
8,465 reviews
Search Delta flights
United AirlinesPriceFrom $376Free CancellationRating
7.4
9,677 reviews
Search United Airlines flights
American AirlinesPriceFrom $423Free CancellationRating
7.1
11,684 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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