Saint Lucia

$193+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — UVF
Feb 27 — Mar 61
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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 January 28, 2026.

This Delta deal was found by Cheapflights users on 1/27. 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 2/225:25 am
ORD
-
UVF
1 stop7h 40m
Delta
Wed 2/254:25 pm
UVF
-
ORD
1 stop18h 13m
Delta
Deal found 1/27$506
This Delta deal was found by Cheapflights users on 1/27. 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 2/227:59 pm
ORD
-
UVF
1 stop17h 06m
Delta
Fri 2/274:25 pm
UVF
-
ORD
2 stops22h 55m
Delta
Deal found 1/27$511
This Air Canada deal was found by Cheapflights users on 1/27. 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.
Wed 3/182:00 pm
ORD
-
UVF
1 stop24h 25m
Air Canada
Wed 3/254:20 pm
UVF
-
ORD
2 stops19h 58m
Air Canada
Deal found 1/27$517
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/26:00 pm
ORD
-
UVF
2 stops44h 20m
Air Canada
Fri 2/65:15 pm
UVF
-
ORD
2 stops27h 40m
Air Canada
Deal found 1/28$520
This Air Canada deal was found by Cheapflights users on 1/25. 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.
Wed 1/284:50 pm
ORD
-
UVF
1 stop21h 35m
Air Canada
Thu 2/55:15 pm
UVF
-
ORD
1 stop21h 46m
Air Canada
Deal found 1/25$532
This Delta deal was found by Cheapflights users on 1/26. 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 2/197:59 pm
ORD
-
UVF
1 stop17h 06m
Delta
Wed 2/254:25 pm
UVF
-
ORD
1 stop9h 31m
Delta
Deal found 1/26$536
This Air Canada deal was found by Cheapflights users on 1/25. 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 1/291:13 pm
ORD
-
UVF
1 stop25h 12m
Air Canada
Fri 2/65:15 pm
UVF
-
ORD
1 stop17h 58m
Air Canada
Deal found 1/25$537
This Air Canada deal was found by Cheapflights users on 1/26. 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 4/98:20 pm
ORD
-
UVF
1 stop18h 00m
Air Canada
Wed 4/154:20 pm
UVF
-
ORD
1 stop17h 50m
Air Canada
Deal found 1/26$538
This Delta deal was found by Cheapflights users on 1/26. 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 2/215:37 pm
ORD
-
UVF
2 stops19h 28m
Delta
Wed 2/254:25 pm
UVF
-
ORD
1 stop18h 13m
Delta
Deal found 1/26$541
This Delta deal was found by Cheapflights users on 1/27. 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 3/105:30 am
ORD
-
UVF
1 stop7h 28m
Delta
Tue 3/173:18 pm
UVF
-
ORD
1 stop9h 36m
Delta
Deal found 1/27$546
This Delta deal was found by Cheapflights users on 1/26. 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 4/229:27 am
MDW
-
UVF
2 stops27h 35m
Delta
Wed 4/293:22 pm
UVF
-
MDW
2 stops18h 25m
Delta
Deal found 1/26$551
This Delta deal was found by Cheapflights users on 1/26. 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 4/239:27 am
MDW
-
UVF
2 stops27h 35m
Delta
Wed 4/293:22 pm
UVF
-
MDW
2 stops27h 36m
Delta
Deal found 1/26$581

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 January 28, 2026.

Round-trip from

$506
(Delta)

One-way from

$193
(Air Canada)

Popular in

December

Cheapest in

September

Good round-trip deal

$1,152 or less

Good one-way deal

$368 or less
From Chicago (CHI) to Saint Lucia
One-way flight from Chicago (CHI) to Saint Lucia
Highest demand for flights based on searches. 31% potential increase in price ($368 potential increase over avg. RT price).
Cheapest flight prices on average. 12% potential price decrease ($89 potential savings vs. average RT price).
Price to beat on a round-trip flight from Chicago (CHI) to Saint Lucia.
Price to beat on a one-way flight from Chicago (CHI) to Saint Lucia.

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 January 28, 2026.
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

Mon 2/23

7:59 pm-3:05 pm

1 stop17h 06m

Castries Hewanorra

Wed 2/25

4:25 pm-11:56 pm

1 stop9h 31m

$506

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 2/22

5:25 am-3:05 pm

1 stop7h 40m

Castries Hewanorra

Wed 2/25

4:25 pm-8:38 am

1 stop18h 13m

$506

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 2/23

2:05 pm-3:05 pm

2 stops23h 00m

Castries Hewanorra

Fri 2/27

4:25 pm-11:56 pm

1 stop9h 31m

$511

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 2/22

7:41 pm-3:05 pm

2 stops17h 24m

Castries Hewanorra

Fri 2/27

4:25 pm-1:20 pm

2 stops22h 55m

$511

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Wed 3/18

5:30 am-1:58 pm

1 stop7h 28m

Castries Hewanorra

Thu 3/19

3:18 pm-8:30 am

1 stop18h 12m

$546

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 3/9

5:30 am-1:58 pm

1 stop7h 28m

Castries Hewanorra

Tue 3/10

3:18 pm-11:54 pm

1 stop9h 36m

$546

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Wed 4/22

7:59 pm-2:02 pm

1 stop17h 03m

Castries Hewanorra

Wed 4/29

3:22 pm-8:37 am

1 stop18h 15m

$546

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 4/19

5:10 am-2:02 pm

1 stop7h 52m

Castries Hewanorra

Thu 4/23

3:22 pm-11:59 pm

1 stop9h 37m

$546

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Wed 3/18

5:30 am-1:58 pm

1 stop7h 28m

Castries Hewanorra

Tue 3/24

3:18 pm-8:30 am

1 stop18h 12m

$546

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Wed 4/22

9:27 am-2:02 pm

2 stops27h 35m

Castries Hewanorra

Wed 4/29

3:22 pm-8:47 am

2 stops18h 25m

$551

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 38 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, February is the cheapest month in which you can book a flight from Chicago to Saint Lucia (average of $519). Flying from Chicago to Saint Lucia in July is currently the most expensive (average of $636). 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 January 28, 2026.

When flying from Chicago to Saint Lucia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 28, 2026.
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.

Overall

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.9

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.

Overall

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.9

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.

Overall

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.9

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.

Overall

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.9

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 Delta fly from Chicago to Saint Lucia in about 17h 06m. The time it takes to get you to your destination can typically vary by up to . Chicago and Saint Lucia are separated by a distance of 2529 mi.

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

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

    The cheapest flight price from Chicago to Saint Lucia is $359. On average you can expect to pay $957. The most popular route, (Chicago O'Hare Intl - Castries Hewanorra), can usually be booked for $546.

  • 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, February is the cheapest month in which you can book a flight from Chicago to Saint Lucia (average of $519). Flying from Chicago to Saint Lucia in July is currently the most expensive (average of $636). 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

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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.

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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$546Average$750FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$552Average$715FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$600Average$1,011FlexibilityNo cancel feeOn-time69%

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