HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Lucia

$232+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — UVF
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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 febrero 20, 2025.

Round-trip from

$565
(Delta)

One-way from

$232
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$926

Good round-trip deal

$825 or less

Good one-way deal

$363 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. 7% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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

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 febrero 20, 2025.

This Delta deal was found by Cheapflights users on 2/19. 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.
dom. 4/205:30 amORD - UVF
1 stop7h 29mDelta
jue. 4/243:19 pmUVF - ORD
1 stop9h 40mDelta
Deal found 2/19$565
This American Airlines deal was found by Cheapflights users on 2/20. 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.
dom. 11/26:54 pmORD - UVF
2 stops16h 06mAmerican Airlines
vie. 11/75:15 pmUVF - ORD
2 stops15h 59mAmerican Airlines
Deal found 2/20$570
This Air Canada deal was found by Cheapflights users on 2/20. 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.
lun. 3/311:35 amORD - UVF
2 stops26h 10mAir Canada
mar. 3/183:45 pmUVF - ORD
2 stops23h 28mAir Canada
Deal found 2/20$642
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
mié. 3/1911:15 amMDW - UVF
1 stop25h 29mMultiple Airlines
mar. 3/252:40 pmUVF - MDW
1 stop20h 40mMultiple Airlines
Deal found 2/20$687
This Delta deal was found by Cheapflights users on 2/20. 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.
mar. 3/186:00 amMDW - UVF
1 stop7h 00mDelta
sáb. 3/221:52 pmUVF - MDW
1 stop9h 35mDelta
Deal found 2/20$710
This Mytrip deal was found by Cheapflights users on 2/20. 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.
mié. 4/23:35 pmORD - UVF
2 stops46h 10mMultiple Airlines
lun. 4/73:45 pmUVF - ORD
3 stops27h 41mMultiple Airlines
Deal found 2/20$726
This WestJet deal was found by Cheapflights users on 2/19. 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.
vie. 8/155:30 pmORD - UVF
2 stops43h 15mWestJet
dom. 8/242:35 pmUVF - ORD
2 stops51h 09mWestJet
Deal found 2/19$745
This United Airlines deal was found by Cheapflights users on 2/20. 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.
sáb. 5/178:47 amORD - UVF
Nonstop5h 43mUnited Airlines
sáb. 5/2412:55 pmUVF - ORD
Nonstop6h 20mUnited Airlines
Deal found 2/20$880
This Mytrip deal was found by Cheapflights users on 2/20. 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.
vie. 5/305:05 amORD - SLU
2 stops28h 40mMultiple Airlines
lun. 6/94:35 pmSLU - ORD
2 stops31h 35mMultiple Airlines
Deal found 2/20$1,087
This Kissandfly.com deal was found by Cheapflights users on 2/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/66:00 amMDW - UVF
1 stop7h 04mKLM
dom. 4/133:25 pmUVF - MDW
1 stop18h 42mKLM
Deal found 2/20$1,450

Find flights from Chicago to Saint Lucia within your budget

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 febrero 20, 2025.

Fly from

Chicago

Fly to

Saint Lucia

Route

Depart

Return

Price

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

dom. 4/20

5:30 am-1:59 pm

1 stop7h 29m

Castries Hewanorra

jue. 4/24

3:19 pm-11:59 pm

1 stop9h 40m

$565

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

sáb. 8/16

8:58 pm-1:35 pm

2 stops15h 37m

Castries Hewanorra

sáb. 8/23

2:17 pm-7:22 am

1 stop18h 05m

$595

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

lun. 3/3

11:35 am-3:45 pm

2 stops26h 10m

Castries Hewanorra

mar. 3/18

3:45 pm-2:13 pm

2 stops23h 28m

$642

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

mié. 3/19

11:15 am-1:44 pm

1 stop25h 29m

Castries Hewanorra

mar. 3/25

2:40 pm-10:20 am

1 stop20h 40m

$687

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

sáb. 4/26

8:47 am-3:30 pm

Nonstop5h 43m

Castries Hewanorra

sáb. 5/3

12:55 pm-6:15 pm

Nonstop6h 20m

$691

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

mar. 3/18

6:00 am-2:00 pm

1 stop7h 00m

Castries Hewanorra

sáb. 3/22

1:52 pm-10:27 pm

1 stop9h 35m

$710

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

mié. 4/2

3:35 pm-2:45 pm

2 stops46h 10m

Castries Hewanorra

lun. 4/7

3:45 pm-6:26 pm

3 stops27h 41m

$726

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

vie. 8/15

5:30 pm-1:45 pm

2 stops43h 15m

Castries Hewanorra

dom. 8/24

2:35 pm-4:44 pm

2 stops51h 09m

$745

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

vie. 8/15

6:00 am-4:20 pm

1 stop9h 20m

Castries Hewanorra

sáb. 8/23

1:36 pm-11:25 pm

1 stop10h 49m

$1,055

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

vie. 5/30

5:05 am-10:45 am

2 stops28h 40m

Castries George F. L. Charle

lun. 6/9

4:35 pm-11:10 pm

2 stops31h 35m

$1,087

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 17 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.

Travel insights for flights from Chicago to Saint Lucia

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

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 febrero 20, 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 febrero 20, 2025.
To help decide which airline to fly from Chicago to Saint Lucia, see what other customers have to say about Delta, KLM 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.
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
7.4
Good
3,070 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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 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?

    $298 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $323 and $364, respectively.

  • 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 $318. On average you can expect to pay $680. The most popular route, (Chicago O'Hare Intl - Castries Hewanorra), can usually be booked for $565.

  • 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.
O'Hare Intl to Luis Munoz Marin Intl flights
O'Hare Intl to Punta Cana flights
Midway to Luis Munoz Marin Intl flights
O'Hare Intl to Montego Bay flights
O'Hare Intl to Oranjestad flights
O'Hare Intl to Nassau flights
O'Hare Intl to Saint Thomas Island flights
Midway to Punta Cana flights
Midway to Montego Bay flights
O'Hare Intl to George Town flights
O'Hare Intl to Providenciales flights
O'Hare Intl to Simpson Bay flights
St. Louis to Luis Munoz Marin Intl flights
O'Hare Intl to Willemstad flights
O'Hare Intl to Santo Domingo flights
St. Louis to Punta Cana flights
Midway to Saint Thomas Island flights
O'Hare Intl to Castries flights
Midway to Nassau flights
O'Hare Intl to Puerto Plata flights
Midway to Oranjestad flights
O'Hare Intl to Christiansted flights
St. Louis to Saint Thomas Island flights
St. Louis to Simpson Bay flights
Midway to Simpson Bay flights
St. Louis to Montego Bay flights
Midway to Providenciales flights
St. Louis to Oranjestad flights
O'Hare Intl to Bridgetown flights
St. Louis to George Town flights
Midway to Santo Domingo flights
Midway to George Town flights
O'Hare Intl to St. John's flights
O'Hare Intl to Kingston flights
O'Hare Intl to Basseterre flights
St. Louis to Nassau flights
O'Hare Intl to Santiago de los Caballeros flights
St. Louis to Providenciales flights
Midway to Castries flights
St. Louis to Willemstad flights
O'Hare Intl to Port of Spain flights
St. Louis to Christiansted flights
O'Hare Intl to St. George's flights
O'Hare Intl to Marsh Harbour flights
O'Hare Intl to Freeport flights
O'Hare Intl to Kralendijk flights
O'Hare Intl to Georgetown flights
St. Louis to Castries flights
O'Hare Intl to The Valley flights

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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$467Average$710FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$765FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$570Average$847FlexibilityNo 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.