Saint Lucia

$233+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — UVF
Jul 2 — Jul 91
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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 June 2, 2026.

This Air Canada deal was found by Cheapflights users on 5/30. 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.
Mon 6/16:22 pm
ORD
-
UVF
2 stops18h 48m
Air Canada
Fri 6/53:05 pm
UVF
-
ORD
2 stops28h 47m
Air Canada
Deal found 5/30$408
This Air Canada deal was found by Cheapflights users on 5/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:40 pm
ORD
-
UVF
1 stop16h 35m
Air Canada
Mon 10/264:25 pm
UVF
-
ORD
1 stop19h 33m
Air Canada
Deal found 5/31$486
This Air Canada deal was found by Cheapflights users on 6/1. 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.
Thu 7/98:40 pm
ORD
-
UVF
1 stop16h 30m
Air Canada
Tue 7/143:05 pm
UVF
-
ORD
1 stop18h 55m
Air Canada
Deal found 6/1$500
This Air Canada deal was found by Cheapflights users on 5/29. 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 7/28:40 pm
ORD
-
UVF
1 stop16h 30m
Air Canada
Fri 7/103:05 pm
UVF
-
ORD
1 stop18h 55m
Air Canada
Deal found 5/29$502
This Air Canada deal was found by Cheapflights users on 6/1. 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.
Sun 11/16:30 pm
ORD
-
UVF
1 stop19h 55m
Air Canada
Mon 11/95:25 pm
UVF
-
ORD
1 stop17h 35m
Air Canada
Deal found 6/1$509
This Expedia deal was found by Cheapflights users on 6/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:50 am
ORD
-
UVF
1 stop27h 30m
Air Canada
Fri 8/283:15 pm
UVF
-
ORD
1 stop26h 42m
Air Canada
Deal found 6/1$520
This Air Canada deal was found by Cheapflights users on 6/1. 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.
Wed 10/213:40 pm
ORD
-
UVF
2 stops45h 35m
Air Canada
Sun 10/254:25 pm
UVF
-
ORD
1 stop23h 31m
Air Canada
Deal found 6/1$540
This Delta deal was found by Cheapflights users on 5/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:00 am
MDW
-
UVF
1 stop7h 12m
Delta
Sun 7/263:33 pm
UVF
-
MDW
2 stops22h 05m
Delta
Deal found 5/31$738
This Delta deal was found by Cheapflights users on 5/29. 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 8/156:05 am
MDW
-
UVF
1 stop7h 09m
Delta
Sat 8/223:34 pm
UVF
-
MDW
2 stops22h 05m
Delta
Deal found 5/29$863
This Gotogate deal was found by Cheapflights users on 6/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/128:20 pm
ORD
-
SLU
2 stops21h 40m
Multiple Airlines
Mon 6/1512:35 pm
SLU
-
ORD
2 stops25h 50m
Multiple Airlines
Deal found 6/1$913
This Mytrip deal was found by Cheapflights users on 5/31. 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.
Sat 11/77:15 am
ORD
-
SLU
2 stops33h 45m
Multiple Airlines
Sat 11/149:10 am
SLU
-
ORD
2 stops31h 46m
Multiple Airlines
Deal found 5/31$935
This Booking.com deal was found by Cheapflights users on 5/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/203:55 pm
ORD
-
SLU
2 stops25h 05m
Multiple Airlines
Fri 11/2712:35 pm
SLU
-
ORD
2 stops24h 23m
Multiple Airlines
Deal found 5/29$959

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 June 2, 2026.

Round-trip from

$486
(Air Canada)

One-way from

$233
(FlightHub)

Popular in

December

Cheapest in

May

Average price

$767

Good round-trip deal

$928 or less

Good one-way deal

$488 or less
From Chicago (CHI) to Saint Lucia
One-way flight from Chicago (CHI) to Saint Lucia
Highest demand for flights based on searches. 17% potential increase in price ($208 potential increase over avg. RT price).
Cheapest flight prices on average. 9% potential price decrease ($81 potential savings vs. average RT price).
Average for round-trip flights in June 2026
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 June 2, 2026.
Use the filters below to find and compare flights from Chicago to Saint Lucia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Thu 7/2

1:55 pm-2:10 pm

2 stops23h 15m

Castries Hewanorra

Fri 7/10

3:05 pm-9:45 am

1 stop19h 40m

$504

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 11/1

6:30 pm-4:25 pm

1 stop19h 55m

Castries Hewanorra

Mon 11/9

5:25 pm-11:10 am

2 stops19h 45m

$513

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 11/23

7:55 pm-3:10 pm

1 stop17h 15m

Castries Hewanorra

Wed 12/2

4:25 pm-11:50 pm

1 stop9h 25m

$688

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 8/10

7:25 pm-2:14 pm

2 stops17h 49m

Castries Hewanorra

Wed 8/12

3:34 pm-8:27 pm

2 stops29h 53m

$701

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Wed 8/5

5:28 am-2:14 pm

1 stop7h 46m

Castries Hewanorra

Sat 8/15

3:34 pm-8:44 am

1 stop18h 10m

$713

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Tue 7/21

6:00 am-2:12 pm

1 stop7h 12m

Castries Hewanorra

Sun 7/26

3:33 pm-12:38 pm

2 stops22h 05m

$738

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Fri 8/7

11:22 am-2:14 pm

2 stops25h 52m

Castries Hewanorra

Sat 8/15

3:34 pm-8:44 am

1 stop18h 10m

$743
Quickest round-trip

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 7/25

5:30 am-2:12 pm

1 stop7h 42m

Castries Hewanorra

Wed 7/29

3:33 pm-11:53 pm

1 stop9h 20m

$818

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 7/4

8:46 am-3:31 pm

Nonstop5h 45m

Castries Hewanorra

Sat 7/11

4:22 pm-7:41 am

1 stop16h 19m

$840

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 11/28

8:52 am-4:25 pm

Nonstop5h 33m

Castries Hewanorra

Sat 12/5

5:17 pm-7:31 am

1 stop16h 14m

$854

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/31

Showing 1-10 of 34 resultsSorted by cheapest first
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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, April is the cheapest month in which you can book a flight from Chicago to Saint Lucia (average of $363). Flying from Chicago to Saint Lucia in September is currently the most expensive (average of $575). 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 2, 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.

How far ahead should I book a flight from Chicago to Saint Lucia?

The best time to book flights from Chicago to Saint Lucia is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 2, 2026.
Read through reviews of airlines operating flights from Chicago to Saint Lucia, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 Air Canada and Delta fly from Chicago to Saint Lucia in about 17h 15m. The time it takes to get you to your destination can typically vary by up to 6h. 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?

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

    The cheapest flight price from Chicago to Saint Lucia is $354. On average you can expect to pay $708. The most popular route, (Chicago O'Hare Intl - Castries Hewanorra), can usually be booked for $578.

  • 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, April is the cheapest month in which you can book a flight from Chicago to Saint Lucia (average of $363). Flying from Chicago to Saint Lucia in September is currently the most expensive (average of $575). 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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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 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$552Average$785FlexibilityNo cancel feeOn-time71%
DeltaCheapest$565Average$835FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$608Average$1,142FlexibilityNo cancel feeOn-time69%

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