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Saint Lucia

$204+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — UVF
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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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 August 14, 2025.

Round-trip from

$474
(Mytrip)

One-way from

$204
(Air Canada)

Popular in

August

Cheapest in

January

Average price

$982

Good round-trip deal

$1,318 or less
From Chicago (CHI) to Saint Lucia
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One-way flight from Chicago (CHI) to Saint Lucia
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Highest demand for flights based on searches. 6% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Saint Lucia.
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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 August 14, 2025.

This Mytrip deal was found by Cheapflights users on 8/13. 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 10/66:20 pmORD - UVF
1 stop18h 55mAir Canada
Fri 10/103:10 pmUVF - ORD
1 stop19h 04mAir Canada
Deal found 8/13$474
This Expedia deal was found by Cheapflights users on 8/13. 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 11/106:44 amORD - UVF
1 stop30h 13mJetBlue
Mon 11/174:57 pmUVF - ORD
1 stop29h 55mJetBlue
Deal found 8/13$489
This Priceline deal was found by Cheapflights users on 8/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:45 amORD - UVF
1 stop30h 30mJetBlue
Fri 9/263:20 pmUVF - ORD
1 stop28h 03mJetBlue
Deal found 8/13$490
This Air Canada deal was found by Cheapflights users on 8/14. 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 9/223:35 pmORD - UVF
2 stops21h 40mAir Canada
Tue 9/303:10 pmUVF - ORD
2 stops19h 41mAir Canada
Deal found 8/14$494
This Expedia deal was found by Cheapflights users on 8/13. 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 10/276:44 amORD - UVF
1 stop30h 13mJetBlue
Fri 10/313:56 pmUVF - ORD
1 stop29h 56mJetBlue
Deal found 8/13$495
This Expedia deal was found by Cheapflights users on 8/14. 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 9/171:55 pmORD - UVF
2 stops47h 20mAir Canada
Tue 9/233:10 pmUVF - ORD
1 stop20h 43mAir Canada
Deal found 8/14$496
This Expedia deal was found by Cheapflights users on 8/13. 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.
Sat 11/86:44 amORD - UVF
1 stop30h 13mJetBlue
Wed 11/124:57 pmUVF - ORD
2 stops19h 38mJetBlue
Deal found 8/13$498
This Expedia deal was found by Cheapflights users on 8/13. 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 11/176:44 amORD - UVF
1 stop30h 13mJetBlue
Fri 11/215:01 pmUVF - ORD
1 stop31h 49mJetBlue
Deal found 8/13$499
This Expedia deal was found by Cheapflights users on 8/13. 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.
Sun 11/25:44 amORD - UVF
1 stop30h 13mJetBlue
Thu 11/64:57 pmUVF - ORD
1 stop29h 55mJetBlue
Deal found 8/13$501
This Air Canada deal was found by Cheapflights users on 8/13. 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 11/308:15 pmORD - UVF
1 stop18h 10mAir Canada
Wed 12/105:15 pmUVF - ORD
1 stop28h 15mAir Canada
Deal found 8/13$502
This Delta deal was found by Cheapflights users on 8/13. 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 12/316:00 amMDW - UVF
1 stop7h 07mDelta
Thu 1/84:24 pmUVF - MDW
1 stop18h 59mDelta
Deal found 8/13$567
This Delta deal was found by Cheapflights users on 8/14. 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.
Mon 11/245:59 pmMDW - UVF
2 stops19h 11mDelta
Wed 12/34:35 pmUVF - MDW
2 stops21h 57mDelta
Deal found 8/14$580

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 August 14, 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 10/6

6:20 pm-2:15 pm

1 stop18h 55m

Castries Hewanorra

Fri 10/10

3:10 pm-9:14 am

1 stop19h 04m

$474

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 9/22

3:35 pm-2:15 pm

2 stops21h 40m

Castries Hewanorra

Tue 9/30

3:10 pm-1:14 pm

1 stop23h 04m

$482

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 9/22

6:45 am-2:15 pm

1 stop30h 30m

Castries Hewanorra

Fri 9/26

3:20 pm-6:23 pm

1 stop28h 03m

$490

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 10/25

8:34 am-1:57 pm

1 stop28h 23m

Castries Hewanorra

Wed 10/29

3:56 pm-8:52 pm

1 stop29h 56m

$490

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Wed 12/31

6:25 pm-3:07 pm

2 stops18h 42m

Castries Hewanorra

Thu 1/8

4:24 pm-9:23 am

1 stop18h 59m

$567

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Tue 1/6

1:00 pm-3:04 pm

2 stops24h 04m

Castries Hewanorra

Fri 1/9

4:24 pm-9:23 am

1 stop18h 59m

$567

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Mon 1/5

5:59 pm-3:04 pm

2 stops19h 05m

Castries Hewanorra

Fri 1/9

4:24 pm-9:23 am

1 stop18h 59m

$567

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Wed 12/31

6:25 pm-3:07 pm

2 stops18h 42m

Castries Hewanorra

Fri 1/9

4:24 pm-9:23 am

1 stop18h 59m

$567

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Mon 1/5

5:59 pm-3:04 pm

2 stops19h 05m

Castries Hewanorra

Thu 1/8

4:24 pm-9:23 am

1 stop18h 59m

$567

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Sun 1/4

6:25 pm-3:07 pm

2 stops18h 42m

Castries Hewanorra

Thu 1/8

4:24 pm-9:23 am

1 stop18h 59m

$567

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 34 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, 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 August 14, 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 August 14, 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
8.0
Very good
7,980 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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 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 $720. On average you can expect to pay $1,322. The most popular route, (Chicago O'Hare Intl - Castries Hewanorra), can usually be booked for $482.

  • 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

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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$555Average$735FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$558Average$788FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$570Average$868FlexibilityNo cancel feeOn-time69%

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