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Cheap flights from Chicago to Saint Lucia from $251

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 11/7. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Saint Lucia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:30 pm - 3:40 pm
ORD
-
UVF
22h 10m
1 stop
Air Canada Logo
4:40 pm - 1:13 pm
UVF
-
ORD
21h 33m
1 stop
$536Air Canada
Sun, Oct 25 - Fri, Oct 30
Air Canada Logo
4:30 pm - 3:40 pm
ORD
-
UVF
22h 10m
1 stop
Air Canada Logo
4:40 pm - 11:07 am
UVF
-
ORD
19h 27m
2 stops
$539Air Canada
Sun, Oct 25 - Fri, Oct 30
Air Canada Logo
3:45 pm - 3:40 pm
ORD
-
UVF
22h 55m
2 stops
Air Canada Logo
4:40 pm - 11:07 am
UVF
-
ORD
19h 27m
2 stops
$542Air Canada
Sun, Oct 25 - Fri, Oct 30
Air Canada Logo
8:50 pm - 4:40 pm
ORD
-
UVF
17h 50m
1 stop
Air Canada Logo
5:40 pm - 9:23 am
UVF
-
ORD
17h 43m
1 stop
$569Air Canada
Sun, Nov 1 - Mon, Nov 9
Air Canada Logo
3:45 pm - 4:40 pm
ORD
-
UVF
22h 55m
2 stops
Air Canada Logo
5:40 pm - 9:23 am
UVF
-
ORD
17h 43m
1 stop
$572Air Canada
Sun, Nov 1 - Mon, Nov 9
JetBlue Logo
6:00 am - 3:12 pm
ORD
-
UVF
8h 12m
1 stop
JetBlue Logo
4:17 pm - 8:46 am
UVF
-
ORD
17h 29m
1 stop
$586JetBlue
Wed, Aug 19 - Wed, Aug 26
Delta Logo
6:05 am - 2:14 pm
MDW
-
UVF
7h 09m
1 stop
Delta Logo
3:32 pm - 10:45 pm
UVF
-
MDW
8h 13m
1 stop
$698Delta
Fri, Sep 4 - Wed, Sep 9
Delta Logo
6:05 am - 2:12 pm
MDW
-
UVF
7h 07m
1 stop
Delta Logo
3:32 pm - 10:45 pm
UVF
-
MDW
8h 13m
1 stop
$738Delta
Wed, Sep 9 - Mon, Sep 14
Multiple Airlines Logo
8:40 pm - 7:00 pm
ORD
-
SLU
21h 20m
2 stops
Multiple Airlines Logo
12:35 pm - 9:23 am
SLU
-
ORD
21h 48m
2 stops
$848Multiple Airlines
Sat, Oct 24 - Tue, Oct 27
Multiple Airlines Logo
8:40 pm - 7:00 pm
ORD
-
SLU
21h 20m
2 stops
Multiple Airlines Logo
12:35 pm - 9:00 am
SLU
-
ORD
21h 25m
2 stops
$850Multiple Airlines
Sun, Oct 4 - Sat, Oct 10

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Air Canada flights from Chicago to Saint Lucia

Our best Air Canada deals on Chicago to Saint Lucia flight tickets
Air Canada
Oct 25
ORD4:30 pmChicago O'Hare Intl
22h 10m
1 stop
UVF3:40 pmCastries Hewanorra
Oct 30
UVF4:40 pmCastries Hewanorra
21h 33m
1 stop
ORD1:13 pmChicago O'Hare Intl
$536
Air Canada
Oct 25
ORD4:30 pmChicago O'Hare Intl
22h 10m
1 stop
UVF3:40 pmCastries Hewanorra
Oct 30
UVF4:40 pmCastries Hewanorra
19h 27m
2 stops
ORD11:07 amChicago O'Hare Intl
$539
Air Canada
Oct 25
ORD3:45 pmChicago O'Hare Intl
22h 55m
2 stops
UVF3:40 pmCastries Hewanorra
Oct 30
UVF4:40 pmCastries Hewanorra
19h 27m
2 stops
ORD11:07 amChicago O'Hare Intl
$542

JetBlue flights from Chicago to Saint Lucia

Our best JetBlue deals on Chicago to Saint Lucia flight tickets
JetBlue
Aug 19
ORD6:00 amChicago O'Hare Intl
8h 12m
1 stop
UVF3:12 pmCastries Hewanorra
Aug 26
UVF4:17 pmCastries Hewanorra
17h 29m
1 stop
ORD8:46 amChicago O'Hare Intl
$586
JetBlue
Aug 18
ORD6:00 amChicago O'Hare Intl
8h 12m
1 stop
UVF3:12 pmCastries Hewanorra
Aug 25
UVF4:17 pmCastries Hewanorra
17h 26m
1 stop
ORD8:43 amChicago O'Hare Intl
$613
JetBlue
Aug 26
ORD6:30 pmChicago O'Hare Intl
17h 09m
1 stop
UVF12:39 pmCastries Hewanorra
Aug 30
UVF2:03 pmCastries Hewanorra
19h 40m
1 stop
ORD8:43 amChicago O'Hare Intl
$614

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 July 7, 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

Sun 10/25

4:30 pm-3:40 pm

1 stop22h 10m

Castries Hewanorra

Fri 10/30

4:40 pm-1:13 pm

1 stop21h 33m

$536

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 10/25

4:30 pm-3:40 pm

1 stop22h 10m

Castries Hewanorra

Fri 10/30

4:40 pm-11:07 am

2 stops19h 27m

$539

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 10/25

3:45 pm-3:40 pm

2 stops22h 55m

Castries Hewanorra

Fri 10/30

4:40 pm-11:07 am

2 stops19h 27m

$542

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 11/1

8:50 pm-4:40 pm

1 stop17h 50m

Castries Hewanorra

Mon 11/9

5:40 pm-9:23 am

1 stop17h 43m

$569

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 11/1

3:45 pm-4:40 pm

2 stops22h 55m

Castries Hewanorra

Mon 11/9

5:40 pm-9:23 am

1 stop17h 43m

$572

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Wed 8/19

6:00 am-3:12 pm

1 stop8h 12m

Castries Hewanorra

Wed 8/26

4:17 pm-8:46 am

1 stop17h 29m

$586

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Fri 9/4

6:05 am-2:14 pm

1 stop7h 09m

Castries Hewanorra

Wed 9/9

3:32 pm-10:45 pm

1 stop8h 13m

$698
Quickest round-trip

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Wed 9/9

6:05 am-2:12 pm

1 stop7h 07m

Castries Hewanorra

Mon 9/14

3:32 pm-10:45 pm

1 stop8h 13m

$738

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

Sat 10/24

8:40 pm-7:00 pm

2 stops21h 20m

Castries George F. L. Charle

Tue 10/27

12:35 pm-9:23 am

2 stops21h 48m

$848

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

Sun 10/4

8:40 pm-7:00 pm

2 stops21h 20m

Castries George F. L. Charle

Sat 10/10

12:35 pm-9:00 am

2 stops21h 25m

$850

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 month to fly to Saint Lucia?

The month of April is, on average, the cheapest month to fly to Saint Lucia from Chicago, with most prices found around $363. If you aren’t able to travel to Saint Lucia during the month of April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $382.

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 are 3 cabin classes 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 52% 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

$728

Fastest flight time

5h 33m

Direct flights

Sun

Airports in Saint Lucia

7 airports
The best flight deal from Chicago to Saint Lucia found on momondo in the last 72 hours is $728
The fastest flight from Chicago to Saint Lucia takes 5h 33m
Direct flights go from Chicago to Saint Lucia on Sunday. There are no airlines offering direct flights.
There are 7 airports in Saint Lucia. From Chicago there are direct flights to Castries Hewanorra (UVF).
Search flight deals

Frequently asked questions about flying from Chicago to Saint Lucia

  • 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
7.1
11,782 reviews
Search American Airlines flights
DeltaPriceFrom $565Free CancellationRating
7.8
8,450 reviews
Search Delta flights
United AirlinesPriceFrom $621Free CancellationRating
7.4
9,944 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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