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

$90 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 $265 and $308, respectively.

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

While some choose either Chicago Midway - Saint Thomas Island Cyril E King or Lambert-St Louis - 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 $263. While the most popular route (Chicago O'Hare Intl - Saint Thomas Island Cyril E King) can be booked for $184 on average our data indicates $744 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 185% 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 $294 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, April can be a great choice for travel to Saint Thomas Island. Flights to Saint Thomas Island from Illinois in April are about $597 on average during April, but can be found for as low as $188.

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.

$90+ Save on 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	$147 (FlightHub)
One-way from	$90 (Kiwi.com)
Popular in	March
Cheapest in	April
Average price	$746
Good round-trip deal	$715 or less
Good one-way deal	$308 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

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Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).

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Average for round-trip flights in March 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 March 3, 2025.

Tue 4/16:47 pmSTL - STT

1 stop14h 19mSpirit Airlines

Tue 4/811:11 amSTT - STL

1 stop7h 41mSpirit Airlines

Deal found 3/3

$147

Fri 4/187:47 pmORD - STT

1 stop13h 13mSpirit Airlines

Mon 4/2111:05 amSTT - ORD

2 stops37h 11mSpirit Airlines

Deal found 3/3

$283

Tue 4/16:47 pmSTL - STT

2 stops17h 13mMultiple Airlines

Tue 4/811:11 amSTT - STL

3 stops30h 34mMultiple Airlines

Deal found 3/2

$308

Sat 3/159:15 pmORD - STT

2 stops35h 46mMultiple Airlines

Wed 3/199:50 amSTT - ORD

3 stops23h 54mMultiple Airlines

Deal found 3/2

$374

Sat 12/138:05 amORD - STT

Nonstop4h 35mAmerican Airlines

Sat 12/205:00 pmSTT - ORD

1 stop7h 37mAmerican Airlines

Deal found 3/3

$475

Tue 9/166:00 amSTL - STT

1 stop6h 39mDelta

Tue 9/232:49 pmSTT - STL

1 stop9h 50mDelta

Deal found 3/2

$476

Tue 9/165:31 amSTL - STT

1 stop9h 59mAmerican Airlines

Tue 9/231:50 pmSTT - STL

2 stops10h 35mAmerican Airlines

Deal found 3/2

$477

Mon 5/126:00 amMDW - STT

1 stop8h 10mDelta

Fri 5/162:51 pmSTT - MDW

1 stop7h 37mDelta

Deal found 3/3

$479

Wed 12/314:50 pmBMI - STT

2 stops21h 00mAmerican Airlines

Thu 1/84:25 pmSTT - BMI

2 stops20h 12mAmerican Airlines

Deal found 3/3

$509

Sat 11/154:58 pmEVV - STT

2 stops20h 52mAmerican Airlines

Sat 11/226:15 pmSTT - EVV

2 stops17h 44mAmerican Airlines

Deal found 3/3

$509

Sat 11/153:46 pmMLI - STT

2 stops17h 59mAmerican Airlines

Sat 11/223:20 pmSTT - MLI

1 stop8h 06mAmerican Airlines

Deal found 3/3

$554

Mon 3/248:44 pmMDW - STT

2 stops15h 16mMultiple Airlines

Fri 3/289:50 amSTT - MDW

2 stops15h 08mMultiple Airlines

Deal found 3/2

$587

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 March 3, 2025.

Tue 4/16:47 pmSTL - STT

1 stop14h 19mSpirit Airlines

Tue 4/811:11 amSTT - STL

1 stop7h 41mSpirit Airlines

Deal found 3/3

$147

Tue 4/16:47 pmSTL - STT

2 stops17h 13mMultiple Airlines

Tue 4/811:11 amSTT - STL

3 stops30h 34mMultiple Airlines

Deal found 3/2

$308

Mon 5/126:00 amMDW - STT

1 stop8h 10mDelta

Fri 5/162:51 pmSTT - MDW

1 stop7h 37mDelta

Deal found 3/3

$479

Wed 4/235:10 amORD - STT

2 stops10h 49mAmerican Airlines

Mon 4/285:50 pmSTT - ORD

1 stop15h 53mAmerican Airlines

Deal found 3/3

$479

Sat 4/197:47 pmORD - STT

1 stop13h 13mSpirit Airlines

Sat 4/2611:05 amSTT - ORD

1 stop14h 53mSpirit Airlines

Deal found 3/2

$283

Sun 4/208:00 amSTL - STT

1 stop8h 00mUnited Airlines

Wed 4/302:10 pmSTT - STL

1 stop9h 57mUnited Airlines

Deal found 3/2

$599

Sat 3/159:15 pmORD - STT

2 stops35h 46mMultiple Airlines

Wed 3/199:50 amSTT - ORD

3 stops23h 54mMultiple Airlines

Deal found 3/2

$374

Tue 4/15:01 amSTL - STT

1 stop10h 30mAmerican Airlines

Tue 4/84:50 pmSTT - STL

2 stops17h 11mAmerican Airlines

Deal found 3/3

$509

Fri 4/256:00 amSTL - STT

1 stop8h 05mDelta

Thu 5/13:00 pmSTT - STL

1 stop9h 36mDelta

Deal found 3/2

$514

Tue 4/12:51 pmEVV - STT

2 stops19h 44mAmerican Airlines

Mon 4/75:50 pmSTT - EVV

2 stops23h 07mAmerican Airlines

Deal found 3/1

$509

Mon 3/248:44 pmMDW - STT

2 stops15h 16mMultiple Airlines

Fri 3/289:50 amSTT - MDW

2 stops15h 08mMultiple Airlines

Deal found 3/2

$587

Wed 6/46:00 amMLI - STT

1 stop8h 10mDelta

Tue 6/101:13 pmSTT - MLI

1 stop10h 16mDelta

Deal found 3/2

$604

Last-minute flights from Illinois to Saint Thomas Island
Discover last-minute flight deals from Illinois to Saint Thomas Island. Data last updated March 3, 2025 and is based on user searches.

Mon 3/105:00 amORD - STT

2 stops10h 31mAmerican Airlines

Mon 3/175:25 pmSTT - ORD

1 stop18h 33mAmerican Airlines

Deal found 3/3

$1,189

Tue 3/117:42 pmORD - STT

1 stop13h 19mSpirit Airlines

Tue 3/181:40 pmSTT - ORD

1 stop22h 29mSpirit Airlines

Deal found 3/2

$383

Tue 3/116:00 amMDW - STT

1 stop6h 41mDelta

Tue 3/183:00 pmSTT - MDW

1 stop8h 23mDelta

Deal found 3/3

$669

Tue 3/114:23 pmMLI - STT

1 stop17h 27mAmerican Airlines

Fri 3/143:45 pmSTT - MLI

2 stops20h 31mAmerican Airlines

Deal found 3/2

$834

Tue 3/115:45 amORD - STT

1 stop6h 56mDelta

Tue 3/183:00 pmSTT - ORD

1 stop9h 56mDelta

Deal found 3/2

$2,330

Wed 3/1210:45 amORD - STT

Nonstop4h 50mUnited Airlines

Tue 3/1812:05 pmSTT - ORD

1 stop7h 32mUnited Airlines

Deal found 3/2

$665

Thu 3/138:46 pmORD - STT

1 stop12h 28mMultiple Airlines

Sun 3/1611:11 amSTT - ORD

1 stop22h 56mMultiple Airlines

Deal found 3/1

$512

Sat 3/159:15 pmORD - STT

2 stops35h 46mMultiple Airlines

Wed 3/199:50 amSTT - ORD

3 stops23h 54mMultiple Airlines

Deal found 3/2

$374

Tue 3/1811:36 amPIA - STT

3 stops45h 30mMultiple Airlines

Sat 3/229:50 amSTT - PIA

2 stops32h 45mMultiple Airlines

Deal found 3/2

$648

Mon 3/248:44 pmMDW - STT

2 stops15h 16mMultiple Airlines

Fri 3/289:50 amSTT - MDW

2 stops15h 08mMultiple Airlines

Deal found 3/2

$587

Tue 4/16:47 pmSTL - STT

1 stop14h 19mSpirit Airlines

Tue 4/811:11 amSTT - STL

1 stop7h 41mSpirit Airlines

Deal found 3/3

$147

Tue 4/16:47 pmSTL - STT

2 stops17h 13mMultiple Airlines

Tue 4/811:11 amSTT - STL

3 stops30h 34mMultiple Airlines

Deal found 3/2

$308

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 March 3, 2025.

Tue 4/87:21 pmORD - STT

1 stop13h 39mSpirit Airlines

Deal found 3/2

$90

Sun 3/2312:05 pmORD - STT

3 stops21h 01mMultiple Airlines

Deal found 3/2

$225

Mon 3/319:30 pmORD - STT

2 stops17h 13mUnited Airlines

Deal found 3/3

$265

Wed 3/266:00 amMDW - STT

1 stop6h 41mDelta

Deal found 3/2

$308

Wed 6/44:44 pmORD - STT

1 stop17h 11mAmerican Airlines

Deal found 3/2

$313

Sat 3/86:00 amSTL - STT

1 stop6h 45mDelta

Deal found 3/2

$378

Sat 3/812:15 pmSTL - STT

3 stops19h 46mMultiple Airlines

Deal found 3/2

$399

Fri 7/116:00 amORD - STT

1 stop8h 01mDelta

Deal found 3/3

$868

Find flights from Illinois to Saint Thomas Island within your budget

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Tue 4/1

6:47 pm-10:06 am

1 stop14h 19m

Saint Thomas Island Cyril E King

Tue 4/8

11:11 am-5:52 pm

1 stop7h 41m

$147

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Fri 4/18

7:47 pm-10:00 am

1 stop13h 13m

Saint Thomas Island Cyril E King

Mon 4/21

11:05 am-11:16 pm

2 stops37h 11m

$283

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Tue 4/1

6:47 pm-1:00 pm

2 stops17h 13m

Saint Thomas Island Cyril E King

Tue 4/8

11:11 am-4:45 pm

3 stops30h 34m

$308

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Sat 3/15

9:15 pm-10:01 am

2 stops35h 46m

Saint Thomas Island Cyril E King

Wed 3/19

9:50 am-8:44 am

3 stops23h 54m

$374

ChicagoSaint Thomas Island

MDW - STT

MDWSTT

Chicago Midway

Mon 5/12

6:00 am-3:10 pm

1 stop8h 10m

Saint Thomas Island Cyril E King

Fri 5/16

2:51 pm-9:28 pm

1 stop7h 37m

$479

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Sat 8/23

6:00 am-3:01 pm

1 stop8h 01m

Saint Thomas Island Cyril E King

Sat 8/30

1:21 pm-9:21 pm

1 stop9h 00m

$479

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Tue 4/1

5:06 am-4:31 pm

2 stops10h 25m

Saint Thomas Island Cyril E King

Tue 4/8

4:50 pm-9:01 am

2 stops17h 11m

$509

ChicagoSaint Thomas Island

ORD - STT

ORDSTT

Chicago O'Hare Intl

Tue 4/8

5:00 am-4:59 pm

2 stops10h 59m

Saint Thomas Island Cyril E King

Tue 4/15

4:50 pm-8:43 am

1 stop16h 53m

$509

EvansvilleSaint Thomas Island

EVV - STT

EVVSTT

Evansville Dress Regional

Tue 4/1

2:51 pm-11:35 am

2 stops19h 44m

Saint Thomas Island Cyril E King

Mon 4/7

5:50 pm-3:57 pm

2 stops23h 07m

$509

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Fri 4/25

6:00 am-3:05 pm

1 stop8h 05m

Saint Thomas Island Cyril E King

Thu 5/1

3:00 pm-11:36 pm

1 stop9h 36m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

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.

Travel insights for flights from Illinois to Saint Thomas Island

Get recent, data-driven insights about flights from Illinois to Saint Thomas Island including ideal travel times, pricing trends, and more.

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 $654). 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

8,068 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

8,068 reviews

Delta

8.0

Very good

8,068 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

8,679 reviews

Delta

8.0

Very good

8,068 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

8,068 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

7,940 reviews

Delta

8.0

Very good

8,068 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?
$90 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 $265 and $308, respectively.
What are the most popular routes from Illinois to Saint Thomas Island?
While some choose either Chicago Midway - Saint Thomas Island Cyril E King or Lambert-St Louis - 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 $263. While the most popular route (Chicago O'Hare Intl - Saint Thomas Island Cyril E King) can be booked for $184 on average our data indicates $744 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 $654). 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$188	Average$328	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$465	Average$757	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$467	Average$742	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$489	Average$757	FlexibilityNo cancel fee	On-time69%

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$90+ 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 4/8. 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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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 March 3, 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 March 3, 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 March 3, 2025.

Find flights from Illinois to Saint Thomas Island within your budget

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.

Travel insights for flights from Illinois to Saint Thomas Island

Get recent, data-driven insights about flights from Illinois to Saint Thomas Island including ideal travel times, pricing trends, and more.

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 March 3, 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 March 3, 2025.