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Cheap flights from Chicago to Saint Lucia from $223

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Saint Lucia departing on 3/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Chicago to Saint Lucia

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
9:40 am - 3:53 pm
ORD
-
UVF
28h 13m1 stop
JetBlue Logo
5:21 pm - 11:21 pm
UVF
-
ORD
32h 00m1 stop
$496JetBlue
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
7:45 am - 1:08 pm
ORD
-
UVF
27h 23m2 stops
Multiple Airlines Logo
5:15 pm - 10:05 pm
UVF
-
ORD
30h 50m1 stop
$504Multiple Airlines
Fri, Jan 23 - Mon, Jan 26
Air Canada Logo
6:00 pm - 4:20 pm
ORD
-
UVF
44h 20m2 stops
Air Canada Logo
5:15 pm - 7:45 pm
UVF
-
ORD
28h 30m1 stop
$508Air Canada
Mon, Jan 19 - Mon, Jan 26
Air Canada Logo
2:00 pm - 4:25 pm
ORD
-
UVF
24h 25m1 stop
Air Canada Logo
5:15 pm - 7:45 pm
UVF
-
ORD
28h 30m1 stop
$519Air Canada
Sun, Jan 11 - Sun, Jan 18
American Airlines Logo
5:45 am - 4:00 pm
ORD
-
UVF
8h 15m1 stop
American Airlines Logo
5:00 pm - 12:33 am
UVF
-
ORD
9h 33m1 stop
$527American Airlines
Sun, Mar 1 - Thu, Mar 5
American Airlines Logo
5:00 am - 4:00 pm
ORD
-
UVF
9h 00m1 stop
American Airlines Logo
5:00 pm - 7:20 am
UVF
-
ORD
16h 20m2 stops
$532American Airlines
Sun, Mar 1 - Thu, Mar 5
Delta Logo
6:34 pm - 1:58 pm
MDW
-
UVF
18h 24m2 stops
Delta Logo
3:18 pm - 12:29 pm
UVF
-
MDW
22h 11m2 stops
$630Delta
Mon, Mar 16 - Wed, Mar 18
Delta Logo
9:35 am - 1:58 pm
MDW
-
UVF
27h 23m2 stops
Delta Logo
3:18 pm - 8:53 am
UVF
-
MDW
18h 35m2 stops
$730Delta
Sun, Mar 15 - Wed, Mar 18
WestJet Logo
1:49 pm - 2:50 pm
MDW
-
UVF
47h 01m2 stops
WestJet Logo
3:40 pm - 5:55 pm
UVF
-
MDW
28h 15m2 stops
$3,356WestJet
Tue, Jan 20 - Tue, Jan 27
WestJet Logo
1:28 pm - 2:50 pm
MDW
-
UVF
23h 22m2 stops
WestJet Logo
3:40 pm - 5:55 pm
UVF
-
MDW
28h 15m2 stops
$3,416WestJet
Sat, Jan 17 - Tue, Jan 20

JetBlue flights from Chicago to Saint Lucia

Our best JetBlue deals on Chicago to Saint Lucia flight tickets
JetBlue
Feb 4
ORD9:40 amChicago O'Hare Intl
28h 13m
1 stop
UVF3:53 pmCastries Hewanorra
Feb 11
UVF5:21 pmCastries Hewanorra
32h 00m
1 stop
ORD11:21 pmChicago O'Hare Intl
$496
Find similar
JetBlue
Jan 30
ORD9:15 amChicago O'Hare Intl
25h 53m
1 stop
UVF1:08 pmCastries Hewanorra
Feb 6
UVF4:40 pmCastries Hewanorra
29h 05m
1 stop
ORD7:45 pmChicago O'Hare Intl
$505
Find similar
JetBlue
Jan 30
ORD7:45 amChicago O'Hare Intl
27h 23m
2 stops
UVF1:08 pmCastries Hewanorra
Feb 6
UVF4:40 pmCastries Hewanorra
27h 04m
2 stops
ORD5:44 pmChicago O'Hare Intl
$509
Find similar

Air Canada flights from Chicago to Saint Lucia

Our best Air Canada deals on Chicago to Saint Lucia flight tickets
Air Canada
Jan 19
ORD6:00 pmChicago O'Hare Intl
44h 20m
2 stops
UVF4:20 pmCastries Hewanorra
Jan 26
UVF5:15 pmCastries Hewanorra
18h 50m
1 stop
ORD10:05 amChicago O'Hare Intl
$508
Find similar
Air Canada
Jan 11
ORD2:00 pmChicago O'Hare Intl
24h 25m
1 stop
UVF4:25 pmCastries Hewanorra
Jan 18
UVF5:15 pmCastries Hewanorra
28h 30m
1 stop
ORD7:45 pmChicago O'Hare Intl
$519
Find similar
Air Canada
Apr 23
ORD5:57 pmChicago O'Hare Intl
20h 23m
1 stop
UVF3:20 pmCastries Hewanorra
Apr 30
UVF4:15 pmCastries Hewanorra
17h 45m
1 stop
ORD9:00 amChicago O'Hare Intl
$543
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 23, 2025.
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

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Wed 2/4

9:40 am-3:53 pm

1 stop28h 13m

Castries Hewanorra

Wed 2/11

5:21 pm-11:21 pm

1 stop32h 00m

$496

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Fri 1/23

7:45 am-1:08 pm

2 stops27h 23m

Castries Hewanorra

Mon 1/26

5:15 pm-10:05 pm

1 stop30h 50m

$504

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 1/19

6:00 pm-4:20 pm

2 stops44h 20m

Castries Hewanorra

Mon 1/26

5:15 pm-7:45 pm

1 stop28h 30m

$508

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 1/11

2:00 pm-4:25 pm

1 stop24h 25m

Castries Hewanorra

Sun 1/18

5:15 pm-7:45 pm

1 stop28h 30m

$519

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 3/1

5:45 am-4:00 pm

1 stop8h 15m

Castries Hewanorra

Thu 3/5

5:00 pm-12:33 am

1 stop9h 33m

$527

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 3/1

5:00 am-4:00 pm

1 stop9h 00m

Castries Hewanorra

Thu 3/5

5:00 pm-7:20 am

2 stops16h 20m

$532

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Mon 3/16

6:34 pm-1:58 pm

2 stops18h 24m

Castries Hewanorra

Wed 3/18

3:18 pm-12:29 pm

2 stops22h 11m

$630

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Sun 3/15

9:35 am-1:58 pm

2 stops27h 23m

Castries Hewanorra

Wed 3/18

3:18 pm-8:53 am

2 stops18h 35m

$730

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Tue 1/20

1:49 pm-2:50 pm

2 stops47h 01m

Castries Hewanorra

Tue 1/27

3:40 pm-5:55 pm

2 stops28h 15m

$3,356

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Sat 1/17

1:28 pm-2:50 pm

2 stops23h 22m

Castries Hewanorra

Tue 1/20

3:40 pm-5:55 pm

2 stops28h 15m

$3,416

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Saint Lucia from

How to get the cheapest flight ticket from Chicago to Saint Lucia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Saint Lucia?

Our data shows that Tuesday is the least expensive day to fly to Saint Lucia. Tickets to fly out on this day can be as low as $628. On the other hand, Thursday is the most expensive day to depart from Chicago because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,262.

What is the cheapest time of day to depart on your flight to Saint Lucia?

Our data shows that the cheapest Chicago to Saint Lucia flights are usually those with departure times in the afternoon. Our users have found flights to Saint Lucia in the afternoon for as low as $613. Flights in the morning are often more expensive with an average ticket price of $862.

What is the cheapest Chicago to Saint Lucia flight route?

Fly from Chicago O'Hare Intl to Castries Hewanorra for the best Chicago - Saint Lucia flight prices

What cabin class options are available on Chicago to Saint Lucia flights?

There is only 1 cabin class available to choose from on Chicago to Saint Lucia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Saint Lucia flights?

You could potentially save up to 28% on your flight if you consider stops on a Chicago to Saint Lucia flight.

Cheap Chicago to Saint Lucia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Saint Lucia

Best Price Found

$462

Fastest flight time

5h 33m

Direct flights

Sun

Airports in Saint Lucia

7 airports
The best one-way flight to Saint Lucia from Chicago in the past 72 hours is $462. The best round-trip flight deal from Chicago to Saint Lucia found on momondo in the last 72 hours is $1,183.
The fastest flight from Chicago to Saint Lucia takes 5h 33m
Direct flights go from Chicago to Saint Lucia on Sunday. The only airline offering direct flights is United Airlines.
There are 7 airports in Saint Lucia. From Chicago there are direct flights to Castries Hewanorra (UVF).
Search flight deals

  • When did momondo last update prices for flights from Chicago to Saint Lucia?

    Prices for flights from Chicago to Saint Lucia refresh daily.

  • How many operators does momondo search for flights from Chicago to Saint Lucia?

  • How old do you have to be to fly from Chicago to Saint Lucia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Saint Lucia.

  • What documentation or ID do you need to fly to Saint Lucia?

    The travel and health documents you'll need for your trip to Saint Lucia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Lucia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago to Saint Lucia?

Best airlines flying from Chicago to Saint Lucia

Compare and see reviews for airlines that fly from Chicago to Saint Lucia with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $552Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
DeltaPriceFrom $555Free CancellationRating
7.9
8,014 reviews
Search Delta flights
United AirlinesPriceFrom $570Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Saint Lucia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Saint Lucia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Chicago to Saint Lucia with flexible booking policies on momondo?

momondo does allow users to show only those flights to Saint Lucia from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Saint Lucia?

momondo provides multiple filters to help you find the best flight to Saint Lucia from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago to Saint Lucia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Saint Lucia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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