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Saint Lucia

$255+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — UVF
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from Illinois to Saint Lucia

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Saint Lucia (LC0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Round-trip from

$555
(American Airlines)

One-way from

$255
(Air Canada)

Popular in

May

Cheapest in

August

Average price

$620

Good round-trip deal

$630 or less

Good one-way deal

$363 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. 7% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 30, 2025.

This American Airlines deal was found by Cheapflights users on 1/30. 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.
Mon 3/246:30 pmORD - UVF
1 stop18h 40mAmerican Airlines
Thu 3/273:10 pmUVF - ORD
1 stop18h 22mAmerican Airlines
Deal found 1/30$555
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Wed 11/195:29 amSTL - UVF
1 stop7h 01mAmerican Airlines
Wed 11/265:15 pmUVF - STL
1 stop17h 00mAmerican Airlines
Deal found 1/30$555
This Air Canada deal was found by Cheapflights users on 1/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/86:08 pmORD - UVF
2 stops19h 37mAir Canada
Wed 2/124:45 pmUVF - ORD
1 stop22h 26mAir Canada
Deal found 1/29$580
This Air Canada deal was found by Cheapflights users on 1/30. 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.
Mon 2/33:50 pmSTL - UVF
1 stop21h 55mAir Canada
Wed 2/54:45 pmUVF - STL
1 stop24h 21mAir Canada
Deal found 1/30$580
This Mytrip deal was found by Cheapflights users on 1/30. 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 2/22:05 pmORD - UVF
1 stop23h 40mMultiple Airlines
Tue 2/44:45 pmUVF - ORD
3 stops32h 10mMultiple Airlines
Deal found 1/30$589
This American Airlines deal was found by Cheapflights users on 1/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/313:25 pmMLI - UVF
2 stops21h 45mAmerican Airlines
Fri 4/42:45 pmUVF - MLI
2 stops32h 05mAmerican Airlines
Deal found 1/29$593
This Delta deal was found by Cheapflights users on 1/30. 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 3/296:00 amSTL - UVF
1 stop7h 00mDelta
Sat 4/53:25 pmUVF - STL
1 stop9h 05mDelta
Deal found 1/30$605
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/315:35 pmMDW - UVF
1 stop19h 09mMultiple Airlines
Sun 4/62:40 pmUVF - MDW
1 stop20h 40mMultiple Airlines
Deal found 1/30$629
This American Airlines deal was found by Cheapflights users on 1/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/265:00 amPIA - UVF
1 stop8h 19mAmerican Airlines
Tue 3/44:45 pmUVF - PIA
2 stops25h 08mAmerican Airlines
Deal found 1/29$636
This Delta deal was found by Cheapflights users on 1/30. 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.
Wed 3/125:45 amORD - UVF
1 stop7h 15mDelta
Sun 3/163:20 pmUVF - ORD
1 stop9h 36mDelta
Deal found 1/30$640
This Mytrip deal was found by Cheapflights users on 1/30. 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.
Mon 2/33:50 pmSTL - UVF
1 stop21h 55mMultiple Airlines
Wed 2/54:45 pmUVF - STL
3 stops23h 58mMultiple Airlines
Deal found 1/30$708
This United deal was found by Cheapflights users on 1/30. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/178:47 amORD - UVF
Nonstop5h 43mUnited Airlines
Sat 5/2412:55 pmUVF - ORD
Nonstop6h 20mUnited Airlines
Deal found 1/30$711

Find flights from Illinois to Saint Lucia within your budget

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 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 3/24

6:30 pm-2:10 pm

1 stop18h 40m

Castries Hewanorra

Thu 3/27

3:10 pm-8:32 am

1 stop18h 22m

$555

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Sat 4/26

1:48 pm-1:45 pm

2 stops22h 57m

Castries Hewanorra

Fri 5/2

3:28 pm-8:30 am

1 stop18h 02m

$560

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Thu 5/22

6:20 pm-2:15 pm

2 stops18h 55m

Castries Hewanorra

Tue 5/27

3:05 pm-8:05 am

2 stops18h 00m

$586

MolineCastries

MLI - UVF

MLIUVF

Moline Quad-City

Mon 3/31

3:25 pm-2:10 pm

2 stops21h 45m

Castries Hewanorra

Fri 4/4

2:45 pm-9:50 pm

2 stops32h 05m

$593

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Sat 3/29

6:00 am-2:00 pm

1 stop7h 00m

Castries Hewanorra

Sat 4/5

3:25 pm-11:30 pm

1 stop9h 05m

$605

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Thu 4/17

3:35 pm-2:45 pm

2 stops22h 10m

Castries Hewanorra

Mon 4/21

3:45 pm-6:54 pm

3 stops28h 09m

$622

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Mon 3/31

5:35 pm-1:44 pm

1 stop19h 09m

Castries Hewanorra

Sun 4/6

2:40 pm-10:20 am

1 stop20h 40m

$629

PeoriaCastries

PIA - UVF

PIAUVF

Greater Peoria

Wed 2/26

5:00 am-3:19 pm

1 stop8h 19m

Castries Hewanorra

Tue 3/4

4:45 pm-3:53 pm

2 stops25h 08m

$636

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Wed 3/12

5:45 am-2:00 pm

1 stop7h 15m

Castries Hewanorra

Sun 3/16

3:20 pm-11:56 pm

1 stop9h 36m

$640

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 5/17

8:47 am-3:30 pm

Nonstop5h 43m

Castries Hewanorra

Sat 5/24

12:55 pm-6:15 pm

Nonstop6h 20m

$711

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 24 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.

Travel insights for flights from Illinois to Saint Lucia

Get recent, data-driven insights about flights from Illinois to Saint Lucia including ideal travel times, pricing trends, and more.

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 January 30, 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 January 30, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines 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
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

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
8,454 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

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
8,913 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

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
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

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
2,817 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

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.

Air Canada
7.0
Good
8,640 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

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 $255. United Airlines flights start at $294 while deals on American Airlines start at $323 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$467Average$727FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$771FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$570Average$844FlexibilityNo cancel feeOn-time69%
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