What is the cheapest airline that flies from Illinois to Saint Croix?

Spirit Airlines, American Airlines, and Delta are the most popular carriers operating from Illinois to Saint Croix

When did momondo last update prices for flights from Illinois to Saint Croix?

Prices for flights from Illinois to Saint Croix are updated daily.

How many operators does momondo search for flights from Illinois to Saint Croix?

The number of operators available for flights from Illinois to Saint Croix is 2 as of February 2026.

How old do you have to be to fly from Illinois to Saint Croix?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Saint Croix.

What documentation or ID do you need to fly to Saint Croix?

The travel and health documents required for your trip to Saint Croix can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint Croix. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$126 Cheap Flights from Illinois to Saint Croix in 2026

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Find the cheapest flights from Illinois to Saint Croix

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:16 pm - 3:40 pm

ORD

STX

17h 24m

1 stop

3:37 pm - 11:22 am

STX

ORD

20h 45m

1 stop

$257Spirit Airlines

Thu, Mar 5 - Mon, Mar 9

8:16 pm - 3:40 pm

ORD

STX

17h 24m

1 stop

4:37 pm - 11:47 pm

STX

ORD

9h 10m

1 stop

$265Spirit Airlines

Sun, Mar 1 - Fri, Mar 6

8:16 pm - 3:40 pm

ORD

STX

17h 24m

1 stop

4:37 pm - 11:47 pm

STX

ORD

9h 10m

1 stop

$266Spirit Airlines

Sun, Mar 1 - Sat, Mar 7

3:40 pm - 3:40 pm

ORD

STX

22h 00m

1 stop

4:37 pm - 11:22 am

STX

ORD

20h 45m

1 stop

$270Multiple Airlines

Sun, Mar 1 - Fri, Mar 6

5:15 am - 3:40 pm

ORD

STX

8h 25m

1 stop

4:37 pm - 11:24 pm

STX

ORD

8h 47m

1 stop

$271Multiple Airlines

Mon, Feb 23 - Fri, Feb 27

5:05 am - 2:40 pm

ORD

STX

8h 35m

1 stop

3:37 pm - 9:17 pm

STX

ORD

30h 40m

1 stop

$272Multiple Airlines

Mon, May 4 - Mon, May 11

5:15 am - 12:56 pm

STL

STX

6h 41m

1 stop

5:17 pm - 10:32 am

STX

STL

18h 15m

1 stop

$406American Airlines

Wed, Mar 18 - Mon, Mar 23

6:57 pm - 12:56 pm

STL

STX

16h 59m

2 stops

3:38 pm - 8:55 am

STX

STL

18h 17m

2 stops

$410American Airlines

Sun, Mar 8 - Sun, Mar 15

6:00 am - 1:18 pm

MDW

STX

6h 18m

1 stop

2:24 pm - 10:31 pm

STX

MDW

9h 07m

1 stop

$506Delta

Tue, Mar 10 - Tue, Mar 17

6:00 am - 1:18 pm

MDW

STX

6h 18m

1 stop

2:24 pm - 10:31 pm

STX

MDW

9h 07m

1 stop

$531Delta

Thu, Mar 12 - Thu, Mar 19

Delta flights from Illinois to Saint Croix

Our best Delta deals on Illinois to Saint Croix flight tickets

Delta

Mar 10

MDW6:00 amChicago Midway

6h 18m

1 stop

STX1:18 pmChristiansted Henry Rohlsen

Mar 17

STX2:24 pmChristiansted Henry Rohlsen

9h 07m

1 stop

MDW10:31 pmChicago Midway

$506

Delta

Mar 12

MDW6:00 amChicago Midway

6h 18m

1 stop

STX1:18 pmChristiansted Henry Rohlsen

Mar 19

STX2:24 pmChristiansted Henry Rohlsen

9h 07m

1 stop

MDW10:31 pmChicago Midway

$531

Delta

Feb 28

STL6:00 amLambert-St Louis

6h 56m

1 stop

STX2:56 pmChristiansted Henry Rohlsen

Mar 5

STX3:58 pmChristiansted Henry Rohlsen

9h 38m

1 stop

STL11:36 pmLambert-St Louis

$551

American Airlines flights from Illinois to Saint Croix

Our best American Airlines deals on Illinois to Saint Croix flight tickets

American Airlines

Mar 18

STL5:15 amLambert-St Louis

10h 12m

1 stop

STX4:27 pmChristiansted Henry Rohlsen

Mar 25

STX5:17 pmChristiansted Henry Rohlsen

18h 15m

1 stop

STL10:32 amLambert-St Louis

$406

American Airlines

Mar 8

STL6:57 pmLambert-St Louis

16h 59m

2 stops

STX12:56 pmChristiansted Henry Rohlsen

Mar 15

STX3:38 pmChristiansted Henry Rohlsen

18h 17m

2 stops

STL8:55 amLambert-St Louis

$410

American Airlines

Mar 6

STL5:14 amLambert-St Louis

10h 23m

1 stop

STX5:37 pmChristiansted Henry Rohlsen

Mar 11

STX5:17 pmChristiansted Henry Rohlsen

18h 15m

1 stop

STL10:32 amLambert-St Louis

$476

Fly from

Fly to

Route

Depart

Return

Price

ChicagoChristiansted

ORD - STX

ORDSTX

Chicago O'Hare Intl

Thu 3/5

8:16 pm-3:40 pm

1 stop17h 24m

Christiansted Henry Rohlsen

Mon 3/9

3:37 pm-11:22 am

1 stop20h 45m

$257

ChicagoChristiansted

ORD - STX

ORDSTX

Chicago O'Hare Intl

Sun 3/1

8:16 pm-3:40 pm

1 stop17h 24m

Christiansted Henry Rohlsen

Fri 3/6

4:37 pm-11:47 pm

1 stop9h 10m

$265

ChicagoChristiansted

ORD - STX

ORDSTX

Chicago O'Hare Intl

Sun 3/1

8:16 pm-3:40 pm

1 stop17h 24m

Christiansted Henry Rohlsen

Sat 3/7

4:37 pm-11:47 pm

1 stop9h 10m

$266

ChicagoChristiansted

ORD - STX

ORDSTX

Chicago O'Hare Intl

Sun 3/1

3:40 pm-3:40 pm

1 stop22h 00m

Christiansted Henry Rohlsen

Fri 3/6

4:37 pm-11:22 am

1 stop20h 45m

$270

ChicagoChristiansted

ORD - STX

ORDSTX

Chicago O'Hare Intl

Mon 2/23

5:15 am-3:40 pm

1 stop8h 25m

Christiansted Henry Rohlsen

Fri 2/27

4:37 pm-11:24 pm

1 stop8h 47m

$271

ChicagoChristiansted

ORD - STX

ORDSTX

Chicago O'Hare Intl

Mon 5/4

5:05 am-2:40 pm

1 stop8h 35m

Christiansted Henry Rohlsen

Mon 5/11

3:37 pm-9:17 pm

1 stop30h 40m

$272

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Wed 3/18

5:15 am-12:56 pm

1 stop6h 41m

Christiansted Henry Rohlsen

Mon 3/23

5:17 pm-10:32 am

1 stop18h 15m

$406

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Sun 3/8

6:57 pm-12:56 pm

2 stops16h 59m

Christiansted Henry Rohlsen

Sun 3/15

3:38 pm-8:55 am

2 stops18h 17m

$410

ChicagoChristiansted

MDW - STX

MDWSTX

Chicago Midway

Tue 3/10

6:00 am-1:18 pm

1 stop6h 18m

Christiansted Henry Rohlsen

Tue 3/17

2:24 pm-10:31 pm

1 stop9h 07m

$506

ChicagoChristiansted

MDW - STX

MDWSTX

Chicago Midway

Thu 3/12

6:00 am-1:18 pm

1 stop6h 18m

Christiansted Henry Rohlsen

Thu 3/19

2:24 pm-10:31 pm

1 stop9h 07m

$531

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 Croix

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

What is the cheapest Illinois to Saint Croix flight route?

Fly from Chicago O'Hare Intl to Christiansted Henry Rohlsen for the best Illinois - Saint Croix flight prices

What cabin class options are available on Illinois to Saint Croix flights?

There is only 1 cabin class available to choose from on Illinois to Saint Croix 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 Croix flights?

You could potentially save up to 15% on your flight if you consider stops on a Illinois to Saint Croix flight.

Cheap Illinois to Saint Croix flight deals and tips

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

Best Price Found	$482
Fastest flight time	4h 48m
Direct flights	Sun
Airports in Saint Croix	3 airports

The best flight deal from Illinois to Saint Croix found on momondo in the last 72 hours is $482

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

Direct flights go from Illinois to Saint Croix on Sunday. There are no airlines offering direct flights.

There are 3 airports in Saint Croix. From Illinois there are direct flights to Christiansted Henry Rohlsen (STX).

Search flight deals

When did momondo last update prices for flights from Illinois to Saint Croix?
Prices for flights from Illinois to Saint Croix are updated daily.
How many operators does momondo search for flights from Illinois to Saint Croix?
The number of operators available for flights from Illinois to Saint Croix is 2 as of February 2026.
How old do you have to be to fly from Illinois to Saint Croix?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Saint Croix.
What documentation or ID do you need to fly to Saint Croix?
The travel and health documents required for your trip to Saint Croix can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint Croix. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Illinois to Saint Croix?
Based on momondo bookings for flights between Illinois and Saint Croix, the leading plane model is Boeing 737-800, making up 88.89% of the total bookings. Other popular models include Airbus A320-100/200 with 11.11%.

Best airlines flying from Illinois to Saint Croix

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

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $293	Free Cancellation	Rating 6.3 8,451 reviews		Search Spirit Airlines flights
American Airlines	PriceFrom $454	Free Cancellation	Rating 7.2 11,277 reviews		Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Saint Croix for you.

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

All flight searches from Illinois to Saint Croix on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Illinois to Saint Croix flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Saint Croix, momondo offers a useful price alert feature which will track prices for flights to Saint Croix from Illinois and alert you when they change.

An easier way to manage your Saint Croix trip

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Flights to Saint Thomas Islandfrom $138

Cheap flights from Illinois to Saint Croix from $126

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 Croix departing on 3/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Delta flights from Illinois to Saint Croix

Our best Delta deals on Illinois to Saint Croix flight tickets

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Our best American Airlines deals on Illinois to Saint Croix flight tickets

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How to get the cheapest flight ticket from Illinois to Saint Croix

What is the cheapest Illinois to Saint Croix flight route?

What cabin class options are available on Illinois to Saint Croix flights?

Can stopping save me money on Illinois to Saint Croix flights?

What is the cheapest airline that flies from Illinois to Saint Croix?

Cheap Illinois to Saint Croix flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Saint Croix

Best airlines flying from Illinois to Saint Croix

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

Why use momondo?

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

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

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

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

An easier way to manage your Saint Croix 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 Saint Croix

Popular cities in Saint Croix

Popular flights according to clicks in the last 7 days on momondo

Illinois flight routes

According to popular flight searches on momondo this year

Saint Croix flight routes

According to popular flight searches on momondo this year

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