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Saint Lucia

$241+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — UVF
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
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 April 3, 2025.

Round-trip from

$527
(Delta)

One-way from

$241
(Air Canada)

Popular in

September

Cheapest in

August

Average price

$731

Good round-trip deal

$732 or less

Good one-way deal

$268 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. 3% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Saint Lucia.
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Price to beat on a one-way 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 April 3, 2025.

This Delta deal was found by Cheapflights users on 4/2. 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 5/65:30 amORD - UVF
1 stop7h 29mDelta
Wed 5/143:26 pmUVF - ORD
1 stop9h 32mDelta
Deal found 4/2$527
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Wed 5/75:00 amORD - UVF
1 stop8h 11mAmerican Airlines
Wed 5/143:14 pmUVF - ORD
2 stops16h 12mAmerican Airlines
Deal found 4/2$532
This Air Canada deal was found by Cheapflights users on 4/1. 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.
Sat 4/58:25 pmORD - UVF
1 stop17h 20mAir Canada
Mon 4/73:45 pmUVF - ORD
2 stops20h 02mAir Canada
Deal found 4/1$579
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/510:40 amORD - UVF
3 stops27h 05mMultiple Airlines
Mon 4/73:45 pmUVF - ORD
2 stops20h 02mMultiple Airlines
Deal found 4/1$618
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Sat 8/98:47 amORD - UVF
Nonstop5h 43mUnited Airlines
Sat 8/1612:55 pmUVF - ORD
Nonstop6h 20mUnited Airlines
Deal found 4/2$653
This Mytrip deal was found by Cheapflights users on 4/2. 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.
Sun 5/45:55 amORD - SLU
2 stops32h 55mMultiple Airlines
Fri 5/912:15 pmSLU - ORD
3 stops32h 48mMultiple Airlines
Deal found 4/2$688
This Delta deal was found by Cheapflights users on 4/2. 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 5/66:04 amMDW - UVF
1 stop6h 55mDelta
Wed 5/143:26 pmUVF - MDW
2 stops22h 02mDelta
Deal found 4/2$732
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:00 amORD - UVF
1 stop9h 20mJetBlue
Sat 8/301:36 pmUVF - ORD
1 stop10h 49mJetBlue
Deal found 4/2$1,128
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 12/275:35 pmMDW - UVF
1 stop19h 13mMultiple Airlines
Thu 1/13:40 pmUVF - MDW
1 stop21h 30mMultiple Airlines
Deal found 4/2$2,475
This WestJet deal was found by Cheapflights users on 4/2. 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.
Tue 4/81:15 pmMDW - UVF
2 stops47h 29mWestJet
Sun 4/132:40 pmUVF - MDW
2 stops28h 19mWestJet
Deal found 4/2$3,590

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 April 3, 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

Tue 5/6

5:30 am-1:59 pm

1 stop7h 29m

Castries Hewanorra

Wed 5/14

3:26 pm-11:58 pm

1 stop9h 32m

$527

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Wed 5/7

5:00 am-2:11 pm

1 stop8h 11m

Castries Hewanorra

Wed 5/14

3:14 pm-6:26 am

2 stops16h 12m

$532

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 4/5

8:25 pm-2:45 pm

1 stop17h 20m

Castries Hewanorra

Mon 4/7

3:45 pm-10:47 am

2 stops20h 02m

$579

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 4/5

10:40 am-2:45 pm

3 stops27h 05m

Castries Hewanorra

Mon 4/7

3:45 pm-10:47 am

2 stops20h 02m

$618

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

Sun 5/4

5:55 am-3:50 pm

2 stops32h 55m

Castries George F. L. Charle

Fri 5/9

12:15 pm-8:03 pm

3 stops32h 48m

$688

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Tue 5/6

6:04 am-1:59 pm

1 stop6h 55m

Castries Hewanorra

Wed 5/14

3:26 pm-12:28 pm

2 stops22h 02m

$732

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 6/21

8:47 am-3:30 pm

Nonstop5h 43m

Castries Hewanorra

Sat 7/5

12:55 pm-6:15 pm

Nonstop6h 20m

$945

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 4/26

11:10 am-1:45 pm

2 stops25h 35m

Castries Hewanorra

Thu 5/1

2:35 pm-10:23 pm

2 stops32h 48m

$3,251

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Tue 4/8

1:15 pm-1:44 pm

2 stops47h 29m

Castries Hewanorra

Sun 4/13

2:40 pm-5:59 pm

2 stops28h 19m

$3,590

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Thu 5/8

4:00 pm-2:15 pm

1 stop21h 15m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 17 results
1
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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 April 3, 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 April 3, 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 American Airlines. 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
7,897 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

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
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

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
8,619 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

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
7,897 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

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.
WestJet
7.2
Good
2,795 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

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.
Air Canada
7.0
Good
9,029 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

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?

    $241 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 Delta and American Airlines, with prices starting from $295 and $320, 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 O'Hare Intl - Castries George F. L. Charle or Chicago Midway - Castries Hewanorra 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 $268. On average you can expect to pay $679. The most popular route, (Chicago O'Hare Intl - Castries Hewanorra), can usually be booked for $590.

  • 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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$477Average$706FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$760FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$558Average$858FlexibilityNo cancel feeOn-time69%

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