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Saint Lucia

$256+ Cheap flights from Chicago (CHI) 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — UVF
Jan 9 — Jan 161
Fri 1/9
Fri 1/16
1 adult, Economy
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Cheap flight deals from Chicago to Saint Lucia

Cheapest flights from Chicago to Saint Lucia
Explore the most affordable flight options available from Chicago to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 10, 2025.

This Expedia deal was found by Cheapflights users on 12/7. 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.
Wed 12/1011:25 amORD - UVF
2 stops25h 27mMultiple Airlines
Sun 12/145:15 pmUVF - ORD
2 stops21h 36mMultiple Airlines
Deal found 12/7$626
This Delta deal was found by Cheapflights users on 12/9. 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 12/125:30 amORD - UVF
1 stop8h 06mDelta
Wed 12/174:56 pmUVF - ORD
1 stop17h 43mDelta
Deal found 12/9$798
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/138:50 pmORD - UVF
2 stops14h 29mAmerican Airlines
Sat 12/203:53 pmUVF - ORD
1 stop10h 06mAmerican Airlines
Deal found 12/10$808
This Delta deal was found by Cheapflights users on 12/8. 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 12/135:30 amORD - UVF
1 stop8h 06mDelta
Sat 12/204:53 pmUVF - ORD
1 stop9h 09mDelta
Deal found 12/8$828
This Delta deal was found by Cheapflights users on 12/8. 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 12/175:30 amORD - UVF
1 stop8h 06mDelta
Fri 12/264:50 pmUVF - ORD
1 stop9h 13mDelta
Deal found 12/8$831
This American Airlines deal was found by Cheapflights users on 12/7. 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 12/106:35 pmORD - UVF
1 stop18h 27mAmerican Airlines
Sun 12/144:53 pmUVF - ORD
1 stop9h 44mAmerican Airlines
Deal found 12/7$833
This Delta deal was found by Cheapflights users on 12/7. 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 12/106:00 amMDW - UVF
1 stop7h 36mDelta
Sun 12/144:56 pmUVF - MDW
1 stop8h 51mDelta
Deal found 12/7$916
This Delta deal was found by Cheapflights users on 12/8. 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 12/175:30 amORD - UVF
1 stop8h 06mDelta
Sat 12/274:53 pmUVF - ORD
1 stop17h 54mDelta
Deal found 12/8$991
This Kiwi.com deal was found by Cheapflights users on 12/7. 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.
Wed 12/1011:00 amMDW - UVF
1 stop25h 50mMultiple Airlines
Sun 12/143:40 pmUVF - MDW
2 stops32h 18mMultiple Airlines
Deal found 12/7$1,270
This Delta deal was found by Cheapflights users on 12/8. 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.
Thu 12/186:00 amMDW - UVF
1 stop7h 36mDelta
Sat 12/273:00 pmUVF - MDW
1 stop9h 22mDelta
Deal found 12/8$1,825
This Mytrip deal was found by Cheapflights users on 12/8. 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 12/3111:15 amORD - SLU
2 stops23h 55mMultiple Airlines
Thu 1/16:20 pmSLU - ORD
3 stops26h 42mMultiple Airlines
Deal found 12/8$2,144
This WestJet deal was found by Cheapflights users on 12/7. 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.
Wed 12/1010:49 amMDW - UVF
2 stops26h 01mWestJet
Sun 12/143:40 pmUVF - MDW
2 stops23h 30mWestJet
Deal found 12/7$4,445

Find flight deals from Chicago to Saint Lucia

Keep the following information in mind while searching for Chicago to Saint Lucia flight deals. Data was last updated December 10, 2025.

Round-trip from

$489
(American Airlines)

One-way from

$256
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$1,703

Good round-trip deal

$771 or less

Good one-way deal

$443 or less
From Chicago (CHI) to Saint Lucia
Search Deals
One-way flight from Chicago (CHI) to Saint Lucia
Search Deals
Highest demand for flights based on searches. 33% potential increase in price ($414 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($88 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Saint Lucia.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Saint Lucia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 December 10, 2025.
Use the filters below to find and compare flights from Chicago to Saint Lucia that are best for you.

Fly from

Chicago

Fly to

Saint Lucia

Route

Depart

Return

Price

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 1/24

7:56 pm-3:03 pm

1 stop17h 07m

Castries Hewanorra

Tue 2/3

5:02 pm-9:05 am

1 stop18h 03m

$489

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 2/9

7:56 pm-3:03 pm

1 stop17h 07m

Castries Hewanorra

Fri 2/13

5:00 pm-12:33 am

1 stop9h 33m

$489

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 3/1

7:13 pm-4:00 pm

1 stop18h 47m

Castries Hewanorra

Thu 3/5

4:25 pm-9:05 am

1 stop18h 40m

$489

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Tue 3/17

5:40 am-2:04 pm

1 stop7h 24m

Castries Hewanorra

Wed 3/25

3:24 pm-8:57 am

2 stops18h 33m

$494

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 1/10

9:10 pm-3:03 pm

2 stops15h 53m

Castries Hewanorra

Fri 1/16

5:02 pm-7:22 am

2 stops16h 20m

$494

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 2/2

9:10 pm-3:03 pm

2 stops15h 53m

Castries Hewanorra

Fri 2/6

5:02 pm-8:32 am

2 stops17h 30m

$494

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 1/31

7:56 pm-3:03 pm

1 stop17h 07m

Castries Hewanorra

Sat 2/7

5:02 pm-9:05 am

1 stop18h 03m

$519

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 1/19

5:00 am-4:02 pm

1 stop9h 02m

Castries Hewanorra

Mon 1/26

2:46 pm-11:08 pm

1 stop10h 22m

$519

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Fri 1/23

7:30 pm-2:10 pm

1 stop16h 40m

Castries Hewanorra

Fri 1/30

5:02 pm-9:01 am

2 stops17h 59m

$524

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

Thu 1/29

3:22 pm-1:10 pm

3 stops43h 48m

Castries George F. L. Charle

Mon 2/2

4:20 pm-5:52 pm

3 stops27h 32m

$763

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 35 results
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Best time to book a flight from Chicago to Saint Lucia

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

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

Currently, August is the cheapest month in which you can book a flight from Chicago to Saint Lucia (average of $535). Flying from Chicago to Saint Lucia in December is currently the most expensive (average of $675). 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 CHI to LC?

Find hourly flight availability from Chicago 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 December 10, 2025.

It’s optimal to fly from Chicago to Saint Lucia at noon. By choosing this option you can save up to 58% on the cost of your flight, compared to a flight in the evening.

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 December 10, 2025.
Read through reviews of airlines operating flights from Chicago to Saint Lucia, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,048 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago to Saint Lucia?

    Airlines like American Airlines and Delta fly from Chicago to Saint Lucia in about 7h 24m. The time it takes to get you to your destination can typically vary by up to 9h 43m. Chicago and Saint Lucia are separated by a distance of 2529 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Chicago to Saint Lucia?

    When deciding which route to take from Chicago to Saint Lucia consider Chicago O'Hare Intl - Castries Hewanorra, Chicago Midway - Castries Hewanorra or Chicago O'Hare Intl - Castries George F. L. Charle as they are the most popular.

  • What are the cheapest flights from Chicago to Saint Lucia?

    The cheapest flight price from Chicago to Saint Lucia is $368. On average you can expect to pay $831. The most popular route, (Chicago O'Hare Intl - Castries Hewanorra), can usually be booked for $499.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Chicago to Saint Lucia (average of $535). Flying from Chicago to Saint Lucia in December is currently the most expensive (average of $675). 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 Chicago 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 Chicago to Saint Lucia

Discover the top 3 airlines that operate flights from Chicago 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 December 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$555Average$766FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$565Average$792FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$570Average$912FlexibilityNo cancel feeOn-time69%

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