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Saint Lucia

$216+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — UVF
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Round-trip from

$464
(Gotogate)

One-way from

$216
(Air Canada)

Popular in

December

Cheapest in

August

Average price

$921

Good round-trip deal

$772 or less

Good one-way deal

$290 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. 5% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/96:15 pmORD - UVF
2 stops19h 00mAir Canada
Tue 6/173:10 pmUVF - ORD
2 stops17h 49mAir Canada
Deal found 4/30$464
This Air Canada deal was found by Cheapflights users on 4/30. 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 6/127:30 amSTL - UVF
1 stop29h 45mAir Canada
Tue 6/243:10 pmUVF - STL
2 stops29h 48mAir Canada
Deal found 4/30$550
This American Airlines deal was found by Cheapflights users on 4/30. 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 11/18:37 pmORD - UVF
2 stops16h 53mAmerican Airlines
Fri 11/73:05 pmUVF - ORD
1 stop10h 49mAmerican Airlines
Deal found 4/30$557
This Delta deal was found by Cheapflights users on 4/29. 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.
Sun 10/266:00 amORD - UVF
1 stop7h 17mDelta
Fri 10/313:32 pmUVF - ORD
1 stop9h 21mDelta
Deal found 4/29$565
This Mytrip deal was found by Cheapflights users on 4/29. 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
1 stop29h 54mMultiple Airlines
Deal found 4/29$567
This American Airlines deal was found by Cheapflights users on 4/30. 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 12/74:59 pmSTL - UVF
2 stops19h 21mAmerican Airlines
Wed 12/103:05 pmUVF - STL
1 stop10h 00mAmerican Airlines
Deal found 4/30$570
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:00 amSTL - UVF
1 stop7h 10mDelta
Tue 12/24:35 pmUVF - STL
1 stop9h 04mDelta
Deal found 5/1$619
This JetBlue deal was found by Cheapflights users on 4/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/56:15 amORD - UVF
1 stop8h 54mJetBlue
Sat 7/121:36 pmUVF - ORD
1 stop10h 49mJetBlue
Deal found 4/29$633
This Mytrip deal was found by Cheapflights users on 4/30. 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 6/129:21 amMDW - UVF
3 stops27h 54mMultiple Airlines
Tue 6/173:10 pmUVF - MDW
1 stop26h 44mMultiple Airlines
Deal found 4/30$724
This Mytrip deal was found by Cheapflights users on 4/30. 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 6/125:51 amORD - SLU
3 stops28h 39mMultiple Airlines
Thu 6/196:20 pmSLU - ORD
2 stops28h 36mMultiple Airlines
Deal found 4/30$924
This Delta deal was found by Cheapflights users on 4/30. 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 12/2710:08 amMDW - UVF
1 stop26h 59mDelta
Mon 12/294:32 pmUVF - MDW
2 stops25h 51mDelta
Deal found 4/30$1,484
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Sun 5/1110:10 amSTL - SLU
2 stops28h 40mMultiple Airlines
Sat 5/176:20 pmSLU - STL
3 stops26h 23mMultiple Airlines
Deal found 4/30$1,487

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 May 1, 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

Mon 6/9

6:15 pm-2:15 pm

2 stops19h 00m

Castries Hewanorra

Tue 6/17

3:10 pm-7:59 am

2 stops17h 49m

$464

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Thu 6/12

7:30 am-2:15 pm

1 stop29h 45m

Castries Hewanorra

Tue 6/24

3:10 pm-12:36 pm

1 stop22h 26m

$550

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 8/16

8:34 pm-2:09 pm

2 stops16h 35m

Castries Hewanorra

Fri 8/22

3:15 pm-11:48 pm

1 stop9h 33m

$557

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 10/26

6:00 am-2:17 pm

1 stop7h 17m

Castries Hewanorra

Thu 10/30

3:32 pm-11:53 pm

1 stop9h 21m

$565

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-7:29 pm

1 stop29h 54m

$567

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 7/5

6:15 am-4:09 pm

1 stop8h 54m

Castries Hewanorra

Sat 7/12

1:36 pm-11:25 pm

1 stop10h 49m

$633

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Sat 6/14

4:17 pm-1:45 pm

2 stops20h 28m

Castries Hewanorra

Thu 6/26

2:45 pm-8:46 am

2 stops19h 01m

$686

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Thu 6/12

9:21 am-2:15 pm

3 stops27h 54m

Castries Hewanorra

Tue 6/17

3:10 pm-4:54 pm

1 stop26h 44m

$724

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Sun 6/15

6:00 am-2:16 pm

1 stop7h 16m

Castries Hewanorra

Thu 6/26

3:36 pm-11:51 pm

1 stop9h 15m

$726

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

Thu 6/12

5:51 am-11:30 am

3 stops28h 39m

Castries George F. L. Charle

Thu 6/19

6:20 pm-9:56 pm

2 stops28h 36m

$924

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 21 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 May 1, 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 May 1, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and JetBlue from Illinois to Saint Lucia to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

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
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

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.
JetBlue
7.3
Good
2,922 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

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
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

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.
WestJet
7.2
Good
2,826 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

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

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 $216. JetBlue flights start at $225 while deals on American Airlines start at $344 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$467Average$710FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$759FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$558Average$867FlexibilityNo cancel feeOn-time69%

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