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Saint Lucia

$139+ Cheap flights from Illinois to Saint Lucia

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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — UVF
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Illinois to Saint Lucia

Cheapest flights from Illinois to Saint Lucia
Explore the most affordable flight options available from Illinois to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Air Canada deal was found by Cheapflights users on 1/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:40 pm
ORD
-
UVF
1 stop17h 45m
Air Canada
Thu 3/264:15 pm
UVF
-
ORD
2 stops23h 40m
Air Canada
Deal found 1/25$472
This Air Canada deal was found by Cheapflights users on 1/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2412:50 pm
ORD
-
UVF
2 stops25h 35m
Air Canada
Mon 3/304:20 pm
UVF
-
ORD
2 stops19h 33m
Air Canada
Deal found 1/25$475
This Air Canada deal was found by Cheapflights users on 1/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:04 pm
ORD
-
UVF
2 stops20h 16m
Air Canada
Thu 3/55:15 pm
UVF
-
ORD
1 stop23h 55m
Air Canada
Deal found 1/25$486
This FlightHub deal was found by Cheapflights users on 1/25. 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.
Tue 2/241:12 pm
ORD
-
UVF
1 stop25h 08m
Multiple Airlines
Mon 3/25:23 pm
UVF
-
ORD
1 stop20h 26m
Multiple Airlines
Deal found 1/25$490
This Air Canada deal was found by Cheapflights users on 1/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/113:40 pm
ORD
-
UVF
2 stops21h 30m
Air Canada
Fri 6/193:05 pm
UVF
-
ORD
2 stops19h 46m
Air Canada
Deal found 1/25$493
This Air Canada deal was found by Cheapflights users on 1/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/188:40 pm
ORD
-
UVF
1 stop17h 45m
Air Canada
Thu 3/264:15 pm
UVF
-
ORD
2 stops19h 55m
Air Canada
Deal found 1/24$504
This Air Canada deal was found by Cheapflights users on 1/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:40 pm
ORD
-
UVF
1 stop17h 45m
Air Canada
Thu 3/55:15 pm
UVF
-
ORD
2 stops23h 40m
Air Canada
Deal found 1/25$505
This Delta deal was found by Cheapflights users on 1/24. 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.
Mon 2/95:30 am
ORD
-
UVF
1 stop7h 35m
Delta
Thu 2/194:25 pm
UVF
-
ORD
1 stop9h 31m
Delta
Deal found 1/24$506
This Mytrip deal was found by Cheapflights users on 1/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2510:35 am
ORD
-
UVF
2 stops27h 50m
Air Canada
Mon 3/304:20 pm
UVF
-
ORD
2 stops19h 33m
Air Canada
Deal found 1/25$508
This Mytrip deal was found by Cheapflights users on 1/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/242:00 pm
ORD
-
UVF
1 stop24h 25m
Air Canada
Sun 3/294:20 pm
UVF
-
ORD
2 stops43h 33m
Air Canada
Deal found 1/25$521
This Air Canada deal was found by Cheapflights users on 1/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/278:45 pm
ORD
-
UVF
1 stop17h 35m
Air Canada
Wed 2/45:15 pm
UVF
-
ORD
1 stop17h 58m
Air Canada
Deal found 1/24$522
This Delta deal was found by Cheapflights users on 1/25. 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 3/176:00 am
MDW
-
UVF
1 stop6h 58m
Delta
Tue 3/243:18 pm
UVF
-
MDW
2 stops22h 11m
Delta
Deal found 1/25$551

Find flight deals from Illinois to Saint Lucia

Keep the following information in mind while searching for Illinois to Saint Lucia flight deals. Data was last updated January 26, 2026.

Round-trip from

$472
(Air Canada)

One-way from

$139
(Booking.com)

Popular in

December

Cheapest in

September

Good round-trip deal

$1,152 or less

Good one-way deal

$368 or less
From Illinois to Saint Lucia
Search Deals
One-way flight from Illinois to Saint Lucia
Search Deals
Highest demand for flights based on searches. 31% potential increase in price ($368 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($89 potential savings vs. average RT price).
Search Deals
Price to beat on a round-trip flight from Illinois to Saint Lucia.
Search Deals
Price to beat on a one-way flight from Illinois to Saint Lucia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Saint Lucia 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 January 26, 2026.
Use the filters below to find and compare flights from Illinois to Saint Lucia that are best for you.

Fly from

Illinois

Fly to

Saint Lucia

Route

Depart

Return

Price

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Thu 3/19

8:40 pm-3:25 pm

1 stop17h 45m

Castries Hewanorra

Thu 3/26

4:15 pm-11:10 am

2 stops19h 55m

$504

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 2/9

5:30 am-3:05 pm

1 stop7h 35m

Castries Hewanorra

Thu 2/19

4:25 pm-11:56 pm

1 stop9h 31m

$506

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Thu 3/19

8:40 pm-3:25 pm

1 stop17h 45m

Castries Hewanorra

Wed 3/25

4:15 pm-7:45 pm

1 stop28h 30m

$533

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 2/1

2:00 pm-4:25 pm

1 stop24h 25m

Castries Hewanorra

Thu 2/5

5:15 pm-9:13 am

1 stop17h 58m

$537

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 3/23

7:59 pm-1:58 pm

1 stop16h 59m

Castries Hewanorra

Wed 3/25

3:18 pm-11:54 pm

1 stop9h 36m

$546

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Tue 3/17

7:59 pm-1:58 pm

1 stop16h 59m

Castries Hewanorra

Wed 3/25

3:18 pm-11:54 pm

1 stop9h 36m

$546

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Wed 4/22

1:55 pm-3:25 pm

2 stops24h 30m

Castries Hewanorra

Mon 4/27

4:15 pm-2:55 pm

2 stops23h 40m

$548

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Tue 3/24

6:00 am-1:58 pm

1 stop6h 58m

Castries Hewanorra

Wed 3/25

3:18 pm-12:29 pm

2 stops22h 11m

$551

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Tue 3/17

6:00 am-1:58 pm

1 stop6h 58m

Castries Hewanorra

Wed 3/25

3:18 pm-12:29 pm

2 stops22h 11m

$551

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Tue 3/24

1:10 pm-1:58 pm

2 stops23h 48m

Castries Hewanorra

Tue 3/31

3:18 pm-12:29 pm

2 stops22h 11m

$551

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 46 results
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Best time to book a flight from Illinois to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia 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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Saint Lucia

What is the cheapest month to book a flight from Illinois to Saint Lucia?

Currently, February is the cheapest month in which you can book a flight from Illinois to Saint Lucia (average of $519). Flying from Illinois to Saint Lucia in July is currently the most expensive (average of $636). 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 LC?

Find hourly flight availability from Illinois to Saint Lucia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 26, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Saint Lucia as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Saint Lucia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Saint Lucia?

    Airlines like Air Canada, Delta, and American Airlines fly from Illinois to Saint Lucia in about 7h 11m. The time it takes to get you to your destination can typically vary by up to 10h 34m. The distance between Illinois and Saint Lucia is about 2489 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Illinois to Saint Lucia that include hotel bookings?

    Yes. In addition to deals on Illinois to Saint Lucia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Saint Lucia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Saint Lucia.

  • Can I find deals for business class flights from Illinois to Saint Lucia?

    Yes. Cheapflights offers flight deals from Illinois to Saint Lucia 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 Lucia?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Saint Lucia (average of $519). Flying from Illinois to Saint Lucia in July is currently the most expensive (average of $636). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Illinois to Saint Lucia

Discover the top 3 airlines that operate flights from Illinois to Saint Lucia. 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$443Average$631FlexibilityNo cancel feeOn-time71%
DeltaCheapest$546Average$750FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$600Average$1,011FlexibilityNo cancel feeOn-time69%

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