HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Lucia

$241+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — UVF
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Saint Lucia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 2, 2025.

Round-trip from

$527
(Delta)

One-way from

$241
(Air Canada)

Popular in

September

Cheapest in

August

Average price

$731

Good round-trip deal

$732 or less

Good one-way deal

$268 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. 3% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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

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 April 2, 2025.

This Delta deal was found by Cheapflights users on 4/1. 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.
Wed 5/75:30 amORD - UVF
1 stop7h 36mDelta
Wed 5/143:26 pmUVF - ORD
1 stop9h 32mDelta
Deal found 4/1$527
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 5/75:00 amORD - UVF
1 stop8h 11mAmerican Airlines
Wed 5/143:14 pmUVF - ORD
2 stops16h 12mAmerican Airlines
Deal found 4/1$532
This American Airlines deal was found by Cheapflights users on 4/1. 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 4/265:27 pmSTL - UVF
2 stops20h 01mAmerican Airlines
Fri 5/23:28 pmUVF - STL
1 stop18h 02mAmerican Airlines
Deal found 4/1$532
This Air Canada deal was found by Cheapflights users on 4/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/58:25 pmORD - UVF
1 stop17h 20mAir Canada
Mon 4/73:45 pmUVF - ORD
1 stop18h 10mAir Canada
Deal found 4/1$579
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Mon 11/31:14 pmPIA - UVF
2 stops21h 46mAmerican Airlines
Tue 11/113:05 pmUVF - PIA
2 stops21h 09mAmerican Airlines
Deal found 4/1$586
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Sat 4/510:40 amORD - UVF
3 stops27h 05mMultiple Airlines
Mon 4/73:45 pmUVF - ORD
2 stops20h 02mMultiple Airlines
Deal found 4/1$618
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Sat 7/59:40 amMDW - UVF
1 stop27h 05mMultiple Airlines
Thu 7/102:35 pmUVF - MDW
1 stop19h 10mMultiple Airlines
Deal found 3/31$702
This WestJet deal was found by Cheapflights users on 3/31. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/51:40 pmORD - UVF
2 stops23h 05mWestJet
Thu 7/102:35 pmUVF - ORD
2 stops47h 04mWestJet
Deal found 3/31$730
This Mytrip deal was found by Cheapflights users on 3/31. 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 6/81:30 pmSTL - UVF
2 stops47h 45mMultiple Airlines
Sun 6/152:35 pmUVF - STL
1 stop23h 01mMultiple Airlines
Deal found 3/31$738
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/268:47 amORD - UVF
Nonstop5h 43mUnited Airlines
Sat 5/1012:55 pmUVF - ORD
Nonstop6h 20mUnited Airlines
Deal found 4/1$754
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Sat 5/245:51 amORD - SLU
2 stops28h 54mMultiple Airlines
Sat 5/3111:35 amSLU - ORD
3 stops20h 52mMultiple Airlines
Deal found 4/1$800
This Mytrip deal was found by Cheapflights users on 3/31. 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 6/810:10 amSTL - SLU
2 stops28h 40mMultiple Airlines
Sun 6/155:00 amSLU - STL
2 stops30h 33mMultiple Airlines
Deal found 3/31$861

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 April 2, 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

Wed 5/7

5:30 am-2:06 pm

1 stop7h 36m

Castries Hewanorra

Wed 5/14

3:26 pm-11:58 pm

1 stop9h 32m

$527

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Wed 5/7

5:00 am-2:11 pm

1 stop8h 11m

Castries Hewanorra

Wed 5/14

3:14 pm-6:26 am

2 stops16h 12m

$532

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Sat 4/26

5:27 pm-2:28 pm

2 stops20h 01m

Castries Hewanorra

Fri 5/2

3:28 pm-8:30 am

1 stop18h 02m

$532

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 6/23

8:25 pm-2:15 pm

1 stop16h 50m

Castries Hewanorra

Fri 6/27

3:10 pm-9:08 am

1 stop18h 58m

$592

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 5/25

6:15 pm-2:15 pm

2 stops43h 00m

Castries Hewanorra

Sun 6/1

2:35 pm-9:52 am

2 stops20h 17m

$640

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 7/5

1:40 pm-1:45 pm

2 stops23h 05m

Castries Hewanorra

Thu 7/10

2:35 pm-12:39 pm

2 stops47h 04m

$730

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Sun 6/8

1:30 pm-2:15 pm

2 stops47h 45m

Castries Hewanorra

Sun 6/15

2:35 pm-12:36 pm

1 stop23h 01m

$738

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 4/26

8:47 am-3:30 pm

Nonstop5h 43m

Castries Hewanorra

Sat 5/10

12:55 pm-6:15 pm

Nonstop6h 20m

$754

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

Sat 5/24

5:51 am-11:45 am

2 stops28h 54m

Castries George F. L. Charle

Sat 5/31

11:35 am-7:27 am

3 stops20h 52m

$800

St. LouisCastries

STL - SLU

STLSLU

Lambert-St Louis

Sun 6/8

10:10 am-3:50 pm

2 stops28h 40m

Castries George F. L. Charle

Sun 6/15

5:00 am-10:33 am

2 stops30h 33m

$861

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 23 results
1
2
3

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 April 2, 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 April 2, 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
7,898 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
7,898 reviews
Delta
8.0
Very good
7,898 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
8,616 reviews
Delta
8.0
Very good
7,898 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
7,898 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
7,898 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
2,789 reviews
Delta
8.0
Very good
7,898 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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 $241. Delta flights start at $295 while deals on American Airlines start at $295 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

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.
Newark to Luis Munoz Marin Intl flights
John F Kennedy Intl to Luis Munoz Marin Intl flights
John F Kennedy Intl to Punta Cana flights
John F Kennedy Intl to Santiago de los Caballeros flights
LaGuardia to Luis Munoz Marin Intl flights
John F Kennedy Intl to Montego Bay flights
Orlando to Luis Munoz Marin Intl flights
Newark to Punta Cana flights
John F Kennedy Intl to Santo Domingo flights
Newark to Santiago de los Caballeros flights
Dulles Intl to Luis Munoz Marin Intl flights
Boston to Luis Munoz Marin Intl flights
Newark to Santo Domingo flights
Newark to Montego Bay flights
Newark to Oranjestad flights
O'Hare Intl to Luis Munoz Marin Intl flights
Philadelphia to Luis Munoz Marin Intl flights
Fort Lauderdale to Luis Munoz Marin Intl flights
Reagan-National to Luis Munoz Marin Intl flights
John F Kennedy Intl to Oranjestad flights
Newark to Nassau flights
Baltimore to Luis Munoz Marin Intl flights
Hartford to Luis Munoz Marin Intl flights
Atlanta to Luis Munoz Marin Intl flights
Boston to Oranjestad flights
Tampa to Luis Munoz Marin Intl flights
John F Kennedy Intl to Nassau flights
LaGuardia to Punta Cana flights
Miami to Luis Munoz Marin Intl flights
Dulles Intl to Punta Cana flights
John F Kennedy Intl to Bridgetown flights
Atlanta to Montego Bay flights
Newark to Simpson Bay flights
LaGuardia to Montego Bay flights
John F Kennedy Intl to Saint Thomas Island flights
O'Hare Intl to Punta Cana flights
Dallas/Fort Worth to Luis Munoz Marin Intl flights
Dulles Intl to Montego Bay flights
John F Kennedy Intl to Kingston flights
John F Kennedy Intl to Simpson Bay flights
John F Kennedy Intl to St. John's flights
Raleigh to Luis Munoz Marin Intl flights
Atlanta to Punta Cana flights
Newark to Providenciales flights
LaGuardia to Oranjestad flights
Philadelphia to Punta Cana flights
John F Kennedy Intl to Providenciales flights
Newark to Saint Thomas Island flights
Boston to Punta Cana flights
Hobby to Luis Munoz Marin Intl flights

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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$477Average$706FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$760FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$558Average$858FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.