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Saint Lucia

$190+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — UVF
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap 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 July 3, 2025.

Round-trip from

$450
(Booking.com)

One-way from

$190
(Booking.com)

Popular in

July

Cheapest in

January

Average price

$845

Good round-trip deal

$1,193 or less

Good one-way deal

$373 or less
From Illinois to Saint Lucia
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One-way flight from Illinois to Saint Lucia
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Highest demand for flights based on searches. 6% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Illinois to Saint Lucia.
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Price to beat on a one-way flight from Illinois to Saint Lucia.
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Find 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 July 3, 2025.

This Booking.com deal was found by Cheapflights users on 7/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/113:50 pmORD - UVF
1 stop21h 25mAir Canada
Tue 9/233:10 pmUVF - ORD
1 stop27h 23mAir Canada
Deal found 7/1$450
This Expedia deal was found by Cheapflights users on 7/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/121:36 pmORD - UVF
1 stop22h 10mJetBlue
Tue 9/163:06 pmUVF - ORD
1 stop22h 04mJetBlue
Deal found 7/2$524
This Mytrip deal was found by Cheapflights users on 7/1. 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 9/176:06 pmORD - UVF
2 stops43h 09mMultiple Airlines
Sun 9/212:35 pmUVF - ORD
2 stops20h 16mMultiple Airlines
Deal found 7/1$567
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/24:48 pmORD - UVF
1 stop18h 12mAmerican Airlines
Fri 11/74:35 pmUVF - ORD
1 stop18h 29mAmerican Airlines
Deal found 7/2$575
This Delta deal was found by Cheapflights users on 7/3. 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 8/256:00 amSTL - UVF
1 stop7h 15mDelta
Fri 8/293:35 pmUVF - STL
1 stop18h 19mDelta
Deal found 7/3$575
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:59 pmSTL - UVF
2 stops17h 26mAmerican Airlines
Fri 8/293:35 pmUVF - STL
1 stop9h 24mAmerican Airlines
Deal found 7/3$580
This Delta deal was found by Cheapflights users on 7/3. 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 10/316:00 amORD - UVF
1 stop7h 17mDelta
Wed 11/54:32 pmUVF - ORD
1 stop9h 21mDelta
Deal found 7/3$600
This Delta deal was found by Cheapflights users on 7/3. 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.
Sat 9/66:00 amMDW - UVF
1 stop7h 15mDelta
Fri 9/123:38 pmUVF - MDW
2 stops21h 50mDelta
Deal found 7/3$605
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/910:42 amMLI - UVF
2 stops26h 53mAmerican Airlines
Sat 8/233:35 pmUVF - MLI
2 stops19h 37mAmerican Airlines
Deal found 7/1$634
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2311:14 amPIA - UVF
2 stops25h 41mAmerican Airlines
Wed 8/272:58 pmUVF - PIA
1 stop9h 04mAmerican Airlines
Deal found 7/1$686
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Thu 11/135:05 amORD - SLU
2 stops28h 25mMultiple Airlines
Mon 11/174:35 pmSLU - ORD
2 stops32h 35mMultiple Airlines
Deal found 7/1$750
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Mon 8/259:15 amSTL - UVF
1 stop28h 00mMultiple Airlines
Sun 8/312:35 pmUVF - STL
3 stops27h 10mMultiple Airlines
Deal found 7/2$784

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 July 3, 2025.
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 9/11

3:50 pm-2:15 pm

1 stop21h 25m

Castries Hewanorra

Tue 9/23

3:10 pm-5:33 pm

1 stop27h 23m

$450

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Fri 9/12

1:36 pm-12:46 pm

1 stop22h 10m

Castries Hewanorra

Tue 9/16

3:06 pm-12:10 pm

1 stop22h 04m

$524

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Wed 9/17

6:06 pm-2:15 pm

2 stops43h 09m

Castries Hewanorra

Sun 9/21

2:35 pm-9:51 am

2 stops20h 16m

$567

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 11/2

4:48 pm-1:00 pm

1 stop18h 12m

Castries Hewanorra

Fri 11/7

4:35 pm-9:04 am

1 stop18h 29m

$575

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Mon 8/25

6:00 am-2:15 pm

1 stop7h 15m

Castries Hewanorra

Fri 8/29

3:35 pm-8:54 am

1 stop18h 19m

$575

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Mon 8/25

7:59 pm-2:25 pm

2 stops17h 26m

Castries Hewanorra

Fri 8/29

3:35 pm-11:59 pm

1 stop9h 24m

$580

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Tue 12/2

6:00 am-3:10 pm

1 stop7h 10m

Castries Hewanorra

Wed 12/10

4:35 pm-6:36 pm

2 stops28h 01m

$580

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Fri 10/31

6:00 am-2:17 pm

1 stop7h 17m

Castries Hewanorra

Wed 11/5

4:32 pm-11:53 pm

1 stop9h 21m

$600

MolineCastries

MLI - UVF

MLIUVF

Moline Quad-City

Sat 8/9

10:42 am-2:35 pm

2 stops26h 53m

Castries Hewanorra

Sat 8/23

3:35 pm-10:12 am

2 stops19h 37m

$634

PeoriaCastries

PIA - UVF

PIAUVF

Greater Peoria

Sat 8/23

11:14 am-1:55 pm

2 stops25h 41m

Castries Hewanorra

Wed 8/27

2:58 pm-11:02 pm

1 stop9h 04m

$686

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 28 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, January is the cheapest month in which you can book a flight from Illinois to Saint Lucia (average of $556). Flying from Illinois to Saint Lucia in December is currently the most expensive (average of $730). 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 July 3, 2025.

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.

Reviews of airlines servicing Saint Lucia

Get insights into the airlines that provide service to Saint Lucia. 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 Lucia. Reviews last updated July 3, 2025.
See what other customers who have flown with Delta, United Airlines, and JetBlue from Illinois to Saint Lucia have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

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!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

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!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

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!
JetBlue
7.3
Good
2,916 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

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!
WestJet
7.2
Good
2,917 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

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 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.

  • What are the cheapest airlines to fly from Illinois to Saint Lucia one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $190. JetBlue flights start at $282 while deals on Delta start at $298 one-way.

  • 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, January is the cheapest month in which you can book a flight from Illinois to Saint Lucia (average of $556). Flying from Illinois to Saint Lucia in December is currently the most expensive (average of $730). 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

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$443Average$690FlexibilityNo cancel feeOn-time71%
DeltaCheapest$555Average$711FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$570Average$872FlexibilityNo cancel feeOn-time69%

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