Saint Thomas Island

$112+ Cheap flights from Chicago (CHI) 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — STT
Aug 19 — Aug 261
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Cheapflights Tip: The best prices from Chicago to Saint Thomas Island Cyril E King are usually found in September or November, booked 23 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Chicago to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Saint Thomas Island (STT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$240
(FlightHub)

One-way from

$112
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$573

Good round-trip deal

$510 or less

Good one-way deal

$428 or less
From Chicago (CHI) to Saint Thomas Island Cyril E King
One-way flight from Chicago (CHI) to Saint Thomas Island Cyril E King
Highest demand for flights based on searches. 5% potential increase in price ($37 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Chicago (CHI) to Saint Thomas Island Cyril E King.
Price to beat on a one-way flight from Chicago (CHI) to Saint Thomas Island Cyril E King.

Find flight deals from Chicago to Saint Thomas Island

Cheapest flights from Chicago to Saint Thomas Island
Explore the most affordable flight options available from Chicago to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1811:52 amORD - STT
2 stops24h 07mSpirit Airlines
Sat 10/252:01 pmSTT - ORD
2 stops10h 44mSpirit Airlines
Deal found 8/14$240
This Cheapflightsfares deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:05 amORD - STT
1 stop7h 06mSpirit Airlines
Wed 11/194:06 pmSTT - ORD
1 stop7h 17mSpirit Airlines
Deal found 8/14$252
This Cheapflightsfares deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:59 pmORD - STT
1 stop16h 29mSpirit Airlines
Tue 11/111:33 pmSTT - ORD
1 stop9h 27mSpirit Airlines
Deal found 8/12$259
This Cheapflightsfares deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:59 pmORD - STT
1 stop16h 29mSpirit Airlines
Thu 11/134:06 pmSTT - ORD
1 stop7h 17mSpirit Airlines
Deal found 8/12$260
This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:44 pmORD - STT
1 stop14h 00mSpirit Airlines
Sat 9/2010:49 amSTT - ORD
1 stop7h 50mSpirit Airlines
Deal found 8/14$262
This FlightHub deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:40 pmORD - STT
1 stop17h 55mSpirit Airlines
Sat 11/12:01 pmSTT - ORD
1 stop8h 32mSpirit Airlines
Deal found 8/12$263
This Cheapflightsfares deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:05 amORD - STT
1 stop7h 06mSpirit Airlines
Tue 11/111:33 pmSTT - ORD
1 stop12h 09mSpirit Airlines
Deal found 8/14$264
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:00 amMDW - STT
1 stop6h 22mDelta
Thu 11/273:32 pmSTT - MDW
1 stop8h 12mDelta
Deal found 8/13$584
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:00 amMDW - STT
1 stop7h 10mDelta
Thu 9/112:43 pmSTT - MDW
1 stop7h 53mDelta
Deal found 8/13$614
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:00 amMDW - STT
1 stop6h 22mDelta
Wed 11/193:32 pmSTT - MDW
1 stop8h 12mDelta
Deal found 8/14$619
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:00 amMDW - STT
1 stop7h 10mDelta
Sat 9/202:43 pmSTT - MDW
1 stop7h 27mDelta
Deal found 8/12$624
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:00 amMDW - STT
1 stop7h 10mDelta
Wed 9/172:43 pmSTT - MDW
1 stop7h 53mDelta
Deal found 8/12$669

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Chicago to Saint Thomas Island that are best for you.

Fly from

Chicago

Fly to

Saint Thomas Island

Route

Depart

Return

Price

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Sat 10/18

11:52 am-12:59 pm

2 stops24h 07m

Saint Thomas Island Cyril E King

Sat 10/25

2:01 pm-11:45 pm

2 stops10h 44m

$240

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Sat 10/25

11:52 am-1:35 pm

2 stops24h 43m

Saint Thomas Island Cyril E King

Sat 11/1

2:01 pm-1:03 am

2 stops12h 02m

$254

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Wed 11/5

5:59 pm-12:28 pm

1 stop16h 29m

Saint Thomas Island Cyril E King

Tue 11/11

1:33 pm-9:00 pm

1 stop9h 27m

$259

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Wed 11/5

5:59 pm-12:28 pm

1 stop16h 29m

Saint Thomas Island Cyril E King

Sat 11/8

1:33 pm-9:00 pm

1 stop9h 27m

$260

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Wed 11/5

5:59 pm-12:28 pm

1 stop16h 29m

Saint Thomas Island Cyril E King

Thu 11/13

4:06 pm-9:23 pm

1 stop7h 17m

$260

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Sat 11/8

6:05 am-3:11 pm

1 stop7h 06m

Saint Thomas Island Cyril E King

Sat 11/15

1:33 pm-9:00 pm

1 stop9h 27m

$260

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Wed 11/5

6:05 am-3:11 pm

1 stop7h 06m

Saint Thomas Island Cyril E King

Wed 11/12

1:33 pm-11:42 pm

1 stop12h 09m

$261

ChicagoSaint Thomas Island

MDW - STT

MDWSTT

Chicago Midway

Fri 9/5

6:00 am-2:10 pm

1 stop7h 10m

Saint Thomas Island Cyril E King

Thu 9/11

2:43 pm-9:36 pm

1 stop7h 53m

$614

ChicagoSaint Thomas Island

MDW - STT

MDWSTT

Chicago Midway

Sat 9/6

6:00 am-3:13 pm

1 stop8h 13m

Saint Thomas Island Cyril E King

Thu 9/11

2:43 pm-9:36 pm

1 stop7h 53m

$614

ChicagoSaint Thomas Island

MDW - STT

MDWSTT

Chicago Midway

Sun 9/7

6:00 am-2:10 pm

1 stop7h 10m

Saint Thomas Island Cyril E King

Thu 9/11

2:43 pm-9:36 pm

1 stop7h 53m

$619

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 27 results
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Best time to book a flight from Chicago to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Chicago 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 Chicago to Saint Thomas Island

How far ahead should I book a flight from Chicago to Saint Thomas Island?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Saint Thomas Island. Price data was last updated on August 8, 2025.

Booking 23 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Saint Thomas Island. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from Chicago to Saint Thomas Island (average of $433). Flying from Chicago to Saint Thomas Island in June is currently the most expensive (average of $648). 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 CHI to STT?

Find hourly flight availability from Chicago 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 August 14, 2025.

It’s typically best to fly out from Chicago to Saint Thomas Island in the afternoon. Doing so could potentially save you 49% on the flight price compared to flying in the morning, which is usually more expensive.

What’s the top layover airport for flights from Chicago to Saint Thomas Island?

Share of 1-stop round-trip flights from Chicago to Saint Thomas Island chosen by Cheapflights users in the past 12 months, using the same layover each way.

Fort Lauderdale (FLL) – chosen by Cheapflights users on 67% of 1-stop itineraries from Chicago to Saint Thomas Island on Cheapflights.

What’s the cheapest layover airport for flights from Chicago to Saint Thomas Island?

Average round-trip fare for 1-stop flights from Chicago to Saint Thomas Island, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Orlando (MCO) is the most affordable 1-stop option, with an average round-trip price of $220.

What’s the fastest layover option from Chicago to Saint Thomas Island?

Shortest average travel time for 1-stop one-way flights from Chicago to Saint Thomas Island, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Orlando (MCO) have the shortest average one-way travel time for 1-stop routes: 10h 47m.

Which airport typically offers the quickest layover for flights from Chicago to Saint Thomas Island?

Average layover duration for 1-stop one-way flights from Chicago to Saint Thomas Island, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Orlando (MCO) offer the fastest connection on this route, with an average layover time of 4h 12m.

Reviews of airlines servicing Saint Thomas Island

Get insights into the airlines that provide service to Saint Thomas Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Thomas Island. Reviews last updated August 14, 2025.
Read through reviews of airlines operating flights from Chicago to Saint Thomas Island, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago?

    Saint Thomas Island Cyril E King (STT) is the airport you will fly into if you book a flight from Chicago to Saint Thomas Island. You should not have trouble finding flights to Cyril E King from Chicago; the airport handles an average of 0 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Saint Thomas Island airport from Chicago. 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 flying from Chicago to Saint Thomas Island round-trip?

    According to our current data, Spirit Airlines ($182), Delta ($359), and American Airlines ($472) offers the cheapest pricing from Chicago to Saint Thomas Island. Spirit Airlines is priced at 70% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Chicago to Saint Thomas Island?

    Looking for the cheapest flight from Chicago to Saint Thomas Island? While on average our users pay $543, our data indicates the cheapest price to be $283. The most popular route (Chicago O'Hare Intl - Saint Thomas Island Cyril E King), is priced around $252.

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

    Yes. In addition to deals on Chicago to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago 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 Chicago to Saint Thomas Island.

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

    Yes. Cheapflights offers flight deals from Chicago 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 Chicago to Saint Thomas Island?

    Currently, September is the cheapest month in which you can book a flight from Chicago to Saint Thomas Island (average of $433). Flying from Chicago to Saint Thomas Island in June is currently the most expensive (average of $648). 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

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

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Top 4 airlines flying from Chicago to Saint Thomas Island

Discover the top 4 airlines that operate flights from Chicago to Saint Thomas Island. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$182Average$304FlexibilityNo cancel feeOn-time65%
DeltaCheapest$359Average$679FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$472Average$665FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$479Average$731FlexibilityNo cancel feeOn-time69%

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