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Saint Lucia

$207+ 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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — UVF
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 24, 2025.

Round-trip from

$429
(Flightnetwork)

One-way from

$207
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$731

Good round-trip deal

$872 or less

Good one-way deal

$290 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. 5% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 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 24, 2025.

This Flightnetwork deal was found by Cheapflights users on 4/23. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/98:25 pmORD - UVF
1 stop16h 50mAir Canada
Tue 6/173:10 pmUVF - ORD
2 stops19h 42mAir Canada
Deal found 4/23$429
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Sat 9/66:55 pmORD - UVF
1 stop17h 48mAmerican Airlines
Fri 9/123:34 pmUVF - ORD
1 stop18h 28mAmerican Airlines
Deal found 4/24$565
This Delta deal was found by Cheapflights users on 4/23. 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 12/26:00 amORD - UVF
1 stop7h 10mDelta
Tue 12/164:35 pmUVF - ORD
1 stop9h 18mDelta
Deal found 4/23$591
This Mytrip deal was found by Cheapflights users on 4/23. 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 6/912:41 pmORD - UVF
3 stops24h 34mMultiple Airlines
Fri 6/133:10 pmUVF - ORD
2 stops19h 42mMultiple Airlines
Deal found 4/23$654
This Mytrip deal was found by Cheapflights users on 4/23. 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 6/98:05 amMDW - UVF
3 stops29h 10mMultiple Airlines
Fri 6/133:10 pmUVF - MDW
3 stops27h 02mMultiple Airlines
Deal found 4/23$751
This Mytrip deal was found by Cheapflights users on 4/23. 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 9/2810:40 amORD - SLU
3 stops31h 20mMultiple Airlines
Fri 10/312:15 pmSLU - ORD
2 stops35h 55mMultiple Airlines
Deal found 4/23$854
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/178:47 amORD - UVF
Nonstop5h 43mUnited Airlines
Sat 5/2412:55 pmUVF - ORD
Nonstop6h 20mUnited Airlines
Deal found 4/23$933
This Delta deal was found by Cheapflights users on 4/23. 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.
Sun 11/166:50 pmMDW - UVF
1 stop18h 20mDelta
Fri 11/214:35 pmUVF - MDW
2 stops21h 57mDelta
Deal found 4/23$1,060
This JetBlue deal was found by Cheapflights users on 4/23. 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 6/216:15 amORD - UVF
1 stop8h 54mJetBlue
Sat 6/282:03 pmUVF - ORD
1 stop10h 22mJetBlue
Deal found 4/23$1,065

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 24, 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 6/9

8:25 pm-2:15 pm

1 stop16h 50m

Castries Hewanorra

Tue 6/17

3:10 pm-9:52 am

2 stops19h 42m

$429

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 9/6

6:55 pm-1:43 pm

1 stop17h 48m

Castries Hewanorra

Fri 9/12

3:34 pm-9:02 am

1 stop18h 28m

$565

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Wed 5/21

5:30 am-2:06 pm

1 stop7h 36m

Castries Hewanorra

Wed 5/28

3:26 pm-11:58 pm

1 stop9h 32m

$617

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 6/9

12:41 pm-2:15 pm

3 stops24h 34m

Castries Hewanorra

Fri 6/13

3:10 pm-9:52 am

2 stops19h 42m

$654

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Mon 6/9

8:05 am-2:15 pm

3 stops29h 10m

Castries Hewanorra

Fri 6/13

3:10 pm-5:12 pm

3 stops27h 02m

$751

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

Sun 9/28

10:40 am-7:00 pm

3 stops31h 20m

Castries George F. L. Charle

Fri 10/3

12:15 pm-11:10 pm

2 stops35h 55m

$854

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 5/17

8:47 am-3:30 pm

Nonstop5h 43m

Castries Hewanorra

Sat 5/24

12:55 pm-6:15 pm

Nonstop6h 20m

$933

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 6/21

6:15 am-4:09 pm

1 stop8h 54m

Castries Hewanorra

Sat 6/28

2:03 pm-11:25 pm

1 stop10h 22m

$1,065

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 6/14

8:25 pm-1:45 pm

1 stop16h 20m

$207

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Sat 5/10

9:40 am-1:45 pm

1 stop27h 05m

$220

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 18 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 24, 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 24, 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.
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

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
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

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.
JetBlue
7.3
Good
2,924 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

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
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

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
2,816 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

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?

    $216 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 WestJet, with prices starting from $298 and $334, 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 $290. On average you can expect to pay $651. 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

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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 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$467Average$710FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$760FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$558Average$866FlexibilityNo cancel feeOn-time69%

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