Saint Lucia

$195+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — UVF
Jun 17 — Jun 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago 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 Chicago to Saint Lucia

Keep the following information in mind while searching for Chicago to Saint Lucia flight deals. Data was last updated June 12, 2025.

Round-trip from

$427
(Mytrip)

One-way from

$195
(JetBlue)

Popular in

July

Cheapest in

January

Average price

$820

Good round-trip deal

$851 or less

Good one-way deal

$479 or less
From Chicago (CHI) to Saint Lucia
One-way flight from Chicago (CHI) to Saint Lucia
Highest demand for flights based on searches. 4% potential increase in price ($36 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in June 2025
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.

Find 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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/11. 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 9/228:25 pmORD - UVF
1 stop16h 50mAir Canada
Fri 9/263:10 pmUVF - ORD
1 stop23h 04mAir Canada
Deal found 6/11$427
This JetBlue deal was found by Cheapflights users on 6/11. 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 7/266:16 amORD - UVF
1 stop8h 55mJetBlue
Sat 8/21:36 pmUVF - ORD
1 stop9h 52mJetBlue
Deal found 6/11$445
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:20 pmORD - UVF
1 stop18h 24mMultiple Airlines
Fri 9/193:10 pmUVF - ORD
1 stop22h 54mMultiple Airlines
Deal found 6/10$491
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 8/239:40 amMDW - UVF
1 stop27h 05mMultiple Airlines
Thu 8/282:35 pmUVF - MDW
1 stop19h 10mMultiple Airlines
Deal found 6/12$565
This American Airlines deal was found by Cheapflights users on 6/11. 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 11/24:48 pmORD - UVF
1 stop18h 12mAmerican Airlines
Thu 11/65:15 pmUVF - ORD
1 stop9h 02mAmerican Airlines
Deal found 6/11$575
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:00 amORD - UVF
1 stop7h 17mDelta
Wed 11/54:32 pmUVF - ORD
1 stop9h 21mDelta
Deal found 6/10$600
This WestJet deal was found by Cheapflights users on 6/11. 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 8/205:30 pmORD - UVF
2 stops19h 15mWestJet
Sun 8/242:35 pmUVF - ORD
2 stops27h 09mWestJet
Deal found 6/11$684
This Mytrip deal was found by Cheapflights users on 6/12. 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 11/135:05 amORD - SLU
2 stops28h 25mMultiple Airlines
Mon 11/174:35 pmSLU - ORD
2 stops32h 35mMultiple Airlines
Deal found 6/12$769
This Delta deal was found by Cheapflights users on 6/12. 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 amMDW - UVF
1 stop7h 10mDelta
Mon 12/14:35 pmUVF - MDW
1 stop19h 16mDelta
Deal found 6/12$1,292
This WestJet deal was found by Cheapflights users on 6/10. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/29:24 amMDW - UVF
2 stops27h 21mWestJet
Sun 7/62:35 pmUVF - MDW
2 stops28h 04mWestJet
Deal found 6/10$3,555

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 June 12, 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

Mon 9/22

8:25 pm-2:15 pm

1 stop16h 50m

Castries Hewanorra

Fri 9/26

3:10 pm-1:14 pm

1 stop23h 04m

$427

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 7/26

6:16 am-4:11 pm

1 stop8h 55m

Castries Hewanorra

Sat 8/2

1:36 pm-10:28 pm

1 stop9h 52m

$445

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 9/13

6:20 pm-1:44 pm

1 stop18h 24m

Castries Hewanorra

Fri 9/19

3:10 pm-1:04 pm

1 stop22h 54m

$491

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 11/2

6:50 pm-1:00 pm

1 stop16h 10m

Castries Hewanorra

Fri 11/7

4:35 pm-11:54 pm

1 stop9h 19m

$575

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Fri 10/31

6:00 am-2:17 pm

1 stop7h 17m

Castries Hewanorra

Wed 11/5

4:32 pm-11:53 pm

1 stop9h 21m

$600

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Wed 8/20

5:30 pm-1:45 pm

2 stops19h 15m

Castries Hewanorra

Sun 8/24

2:35 pm-4:44 pm

2 stops27h 09m

$684

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

Thu 6/26

1:43 pm-11:30 am

2 stops20h 47m

Castries George F. L. Charle

Sun 6/29

12:30 pm-6:37 am

3 stops19h 07m

$867

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Sat 6/21

9:40 am-1:45 pm

1 stop27h 05m

Castries Hewanorra

Fri 7/25

3:10 pm-8:45 am

1 stop18h 35m

$1,453

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Wed 7/2

9:24 am-1:45 pm

2 stops27h 21m

Castries Hewanorra

Sun 7/6

2:35 pm-5:39 pm

2 stops28h 04m

$3,555

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Fri 8/15

6:00 am-4:20 pm

1 stop9h 20m

$195

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 16 results
1
2

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, January is the cheapest month in which you can book a flight from Chicago to Saint Lucia (average of $556). Flying from Chicago 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 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 June 12, 2025.

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 June 12, 2025.
To help decide which airline to fly from Chicago to Saint Lucia, see what other customers have to say about Delta, United Airlines and JetBlue. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.
  • What are the cheapest airlines to fly from Chicago to Saint Lucia one-way?

    $195 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $300 and $323, respectively.

  • 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 $368. On average you can expect to pay $1,189. The most popular route, (Chicago O'Hare Intl - Castries Hewanorra), can usually be booked for $445.

  • 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, January is the cheapest month in which you can book a flight from Chicago to Saint Lucia (average of $556). Flying from Chicago 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 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$528Average$801FlexibilityNo cancel feeOn-time71%
DeltaCheapest$546Average$716FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$558Average$865FlexibilityNo 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.