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Cheap flights from Illinois to Saint Croix from $140

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 12/7. 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 Croix

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
7:00 am - 3:35 pmORD-STX
6h 35m1 stop
Spirit Airlines Logo
4:32 pm - 12:18 amSTX-ORD
9h 46m1 stop
$291Spirit Airlines
Find Deal
Sat, Jan 31 - Sat, Feb 7
Spirit Airlines Logo
7:05 am - 2:40 pmORD-STX
6h 35m1 stop
Spirit Airlines Logo
3:37 pm - 11:41 pmSTX-ORD
9h 04m1 stop
$294Spirit Airlines
Find Deal
Sat, Apr 4 - Sat, Apr 11
Spirit Airlines Logo
5:15 am - 2:40 pmORD-STX
8h 25m1 stop
Spirit Airlines Logo
3:37 pm - 11:41 pmSTX-ORD
9h 04m1 stop
$314Spirit Airlines
Find Deal
Sat, Apr 4 - Sat, Apr 11
American Airlines Logo
5:59 pm - 5:05 pmSTL-STX
21h 06m2 stops
American Airlines Logo
8:30 am - 5:23 pmSTX-STL
10h 53m2 stops
$419American Airlines
Find Deal
Tue, Jan 6 - Tue, Jan 13
American Airlines Logo
5:05 am - 10:48 pmSTL-STX
15h 43m1 stop
American Airlines Logo
8:30 am - 5:22 pmSTX-STL
10h 52m1 stop
$455American Airlines
Find Deal
Wed, Dec 31 - Mon, Jan 12
Multiple Airlines Logo
3:20 pm - 3:58 pmORD-STX
22h 38m1 stop
Multiple Airlines Logo
12:13 pm - 11:08 amSTX-ORD
48h 55m2 stops
$458Multiple Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
Multiple Airlines Logo
5:15 am - 3:35 pmORD-STX
8h 20m1 stop
Multiple Airlines Logo
11:17 am - 12:12 amSTX-ORD
14h 55m2 stops
$465Multiple Airlines
Find Deal
Mon, Jan 12 - Thu, Jan 15
JetBlue Logo
6:26 pm - 4:30 pmORD-STX
21h 04m2 stops
JetBlue Logo
5:25 pm - 10:44 amSTX-ORD
18h 19m2 stops
$542JetBlue
Find Deal
Sat, Apr 4 - Sat, Apr 11
Delta Logo
6:00 am - 1:24 pmBMI-STX
6h 24m1 stop
Delta Logo
2:19 pm - 10:26 pmSTX-BMI
9h 07m1 stop
$595Delta
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Tue, Apr 7 - Thu, Apr 9
Delta Logo
5:25 am - 2:24 pmORD-STX
6h 59m1 stop
Delta Logo
3:19 pm - 8:59 pmSTX-ORD
7h 40m1 stop
$615Delta
Find Deal
Tue, Feb 24 - Fri, Feb 27

Spirit Airlines flights from Illinois to Saint Croix

Our best Spirit Airlines deals on Illinois to Saint Croix flight tickets
Spirit Airlines
Jan 31
ORD7:00 amChicago O'Hare Intl
6h 35m
1 stop
STX3:35 pmChristiansted Henry Rohlsen
Feb 7
STX4:32 pmChristiansted Henry Rohlsen
9h 46m
1 stop
ORD12:18 amChicago O'Hare Intl
$291
Find similar
Spirit Airlines
Apr 4
ORD7:05 amChicago O'Hare Intl
6h 35m
1 stop
STX2:40 pmChristiansted Henry Rohlsen
Apr 11
STX3:37 pmChristiansted Henry Rohlsen
9h 04m
1 stop
ORD11:41 pmChicago O'Hare Intl
$294
Find similar
Spirit Airlines
Apr 4
ORD5:15 amChicago O'Hare Intl
8h 25m
1 stop
STX2:40 pmChristiansted Henry Rohlsen
Apr 11
STX3:37 pmChristiansted Henry Rohlsen
9h 04m
1 stop
ORD11:41 pmChicago O'Hare Intl
$314
Find similar

American Airlines flights from Illinois to Saint Croix

Our best American Airlines deals on Illinois to Saint Croix flight tickets
American Airlines
Jan 6
STL5:59 pmLambert-St Louis
21h 06m
2 stops
STX5:05 pmChristiansted Henry Rohlsen
Jan 13
STX8:30 amChristiansted Henry Rohlsen
10h 53m
2 stops
STL5:23 pmLambert-St Louis
$419
Find similar
American Airlines
Dec 31
STL5:05 amLambert-St Louis
15h 43m
1 stop
STX10:48 pmChristiansted Henry Rohlsen
Jan 12
STX8:30 amChristiansted Henry Rohlsen
10h 52m
1 stop
STL5:22 pmLambert-St Louis
$455
Find similar
American Airlines
Dec 31
STL7:05 amLambert-St Louis
13h 43m
2 stops
STX10:48 pmChristiansted Henry Rohlsen
Jan 12
STX8:30 amChristiansted Henry Rohlsen
16h 42m
2 stops
STL11:12 pmLambert-St Louis
$459
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Saint Croix 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 November 10, 2025.
Use the filters below to find and compare flights from Illinois to Saint Croix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoChristiansted

ORD - STX

ORDSTX

Chicago O'Hare Intl

Sat 1/31

7:00 am-3:35 pm

1 stop6h 35m

Christiansted Henry Rohlsen

Sat 2/7

4:32 pm-12:18 am

1 stop9h 46m

$291

ChicagoChristiansted

ORD - STX

ORDSTX

Chicago O'Hare Intl

Sat 4/4

7:05 am-2:40 pm

1 stop6h 35m

Christiansted Henry Rohlsen

Sat 4/11

3:37 pm-11:41 pm

1 stop9h 04m

$294

ChicagoChristiansted

ORD - STX

ORDSTX

Chicago O'Hare Intl

Sat 4/4

5:15 am-2:40 pm

1 stop8h 25m

Christiansted Henry Rohlsen

Sat 4/11

3:37 pm-11:41 pm

1 stop9h 04m

$314

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Tue 1/6

5:59 pm-5:05 pm

2 stops21h 06m

Christiansted Henry Rohlsen

Tue 1/13

8:30 am-5:23 pm

2 stops10h 53m

$419

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Wed 12/31

5:05 am-10:48 pm

1 stop15h 43m

Christiansted Henry Rohlsen

Mon 1/12

8:30 am-5:22 pm

1 stop10h 52m

$455

ChicagoChristiansted

ORD - STX

ORDSTX

Chicago O'Hare Intl

Sun 12/7

3:20 pm-3:58 pm

1 stop22h 38m

Christiansted Henry Rohlsen

Sun 12/14

12:13 pm-11:08 am

2 stops48h 55m

$458

ChicagoChristiansted

ORD - STX

ORDSTX

Chicago O'Hare Intl

Mon 1/12

5:15 am-3:35 pm

1 stop8h 20m

Christiansted Henry Rohlsen

Thu 1/15

11:17 am-12:12 am

2 stops14h 55m

$465

ChicagoChristiansted

ORD - STX

ORDSTX

Chicago O'Hare Intl

Sat 4/4

6:26 pm-4:30 pm

2 stops21h 04m

Christiansted Henry Rohlsen

Sat 4/11

5:25 pm-10:44 am

2 stops18h 19m

$542

BloomingtonChristiansted

BMI - STX

BMISTX

Bloomington-Normal

Tue 4/7

6:00 am-1:24 pm

1 stop6h 24m

Christiansted Henry Rohlsen

Thu 4/9

2:19 pm-10:26 pm

1 stop9h 07m

$595

ChicagoChristiansted

ORD - STX

ORDSTX

Chicago O'Hare Intl

Tue 2/24

5:25 am-2:24 pm

1 stop6h 59m

Christiansted Henry Rohlsen

Fri 2/27

3:19 pm-8:59 pm

1 stop7h 40m

$615

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 Croix from

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

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 7% 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

$680

Fastest flight time

4h 40m

Direct flights

Sun

Airports in Saint Croix

1 airport
The best flight deal from Illinois to Saint Croix found on momondo in the last 72 hours is $680
The fastest flight from Illinois to Saint Croix takes 4h 40m
Direct flights go from Illinois to Saint Croix on Sunday. There are no airlines offering direct flights.
There is 1 airport near Saint Croix: 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?

  • 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?

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 AirlinesPriceFrom $270Free CancellationRating
6.3
8,132 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $454Free CancellationRating
7.2
11,050 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.

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