Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Chicago to Saint Lucia from $151

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 3/28. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
3:55 pm - 3:20 pm
ORD
-
UVF
22h 25m
1 stop
Air Canada Logo
4:15 pm - 6:53 pm
UVF
-
ORD
27h 38m
2 stops
$419Air Canada
Sat, Mar 28 - Thu, Apr 2
Air Canada Logo
3:55 pm - 3:20 pm
ORD
-
UVF
22h 25m
1 stop
Air Canada Logo
4:15 pm - 9:10 am
UVF
-
ORD
17h 55m
1 stop
$459Air Canada
Sat, Mar 28 - Thu, Apr 2
Air Canada Logo
6:04 pm - 3:20 pm
ORD
-
UVF
20h 16m
2 stops
Air Canada Logo
4:15 pm - 10:30 am
UVF
-
ORD
19h 15m
2 stops
$467Air Canada
Sat, Mar 28 - Thu, Apr 2
Air Canada Logo
6:21 pm - 3:20 pm
ORD
-
UVF
19h 59m
2 stops
Air Canada Logo
4:15 pm - 5:45 pm
UVF
-
ORD
26h 30m
1 stop
$469Air Canada
Tue, Mar 31 - Thu, Apr 2
Air Canada Logo
12:50 pm - 3:25 pm
ORD
-
UVF
25h 35m
2 stops
Air Canada Logo
4:15 pm - 6:53 pm
UVF
-
ORD
27h 38m
2 stops
$472Air Canada
Tue, Mar 24 - Thu, Apr 2
Multiple Airlines Logo
12:05 pm - 10:10 pm
ORD
-
SLU
32h 05m
3 stops
Multiple Airlines Logo
6:45 pm - 6:29 pm
SLU
-
ORD
24h 44m
2 stops
$578Multiple Airlines
Fri, Mar 6 - Sun, Mar 8
Delta Logo
1:10 pm - 1:58 pm
MDW
-
UVF
23h 48m
2 stops
Delta Logo
3:18 pm - 5:54 pm
UVF
-
MDW
27h 36m
2 stops
$591Delta
Tue, Mar 24 - Tue, Mar 31
Delta Logo
6:00 am - 1:58 pm
MDW
-
UVF
6h 58m
1 stop
Delta Logo
3:18 pm - 5:54 pm
UVF
-
MDW
27h 36m
2 stops
$621Delta
Tue, Mar 17 - Tue, Mar 24
Delta Logo
6:34 pm - 1:58 pm
MDW
-
UVF
18h 24m
2 stops
Delta Logo
3:18 pm - 5:54 pm
UVF
-
MDW
27h 36m
2 stops
$651Delta
Tue, Mar 17 - Tue, Mar 24
Delta Logo
6:00 am - 1:58 pm
MDW
-
UVF
6h 58m
1 stop
Delta Logo
3:18 pm - 12:29 pm
UVF
-
MDW
22h 11m
2 stops
$697Delta
Wed, Mar 25 - Tue, Mar 31

American Airlines flights from Chicago to Saint Lucia

Our best American Airlines deals on Chicago to Saint Lucia flight tickets
American Airlines
Apr 1
ORD5:00 amChicago O'Hare Intl
8h 58m
1 stop
UVF2:58 pmCastries Hewanorra
Apr 8
UVF3:28 pmCastries Hewanorra
9h 29m
1 stop
ORD11:57 pmChicago O'Hare Intl
$583
American Airlines
Apr 1
ORD6:00 amChicago O'Hare Intl
7h 58m
1 stop
UVF2:58 pmCastries Hewanorra
Apr 8
UVF3:28 pmCastries Hewanorra
9h 29m
1 stop
ORD11:57 pmChicago O'Hare Intl
$603
American Airlines
Mar 4
ORD5:00 amChicago O'Hare Intl
8h 58m
1 stop
UVF3:58 pmCastries Hewanorra
Mar 10
UVF3:58 pmCastries Hewanorra
9h 40m
1 stop
ORD12:38 amChicago O'Hare Intl
$607

Air Canada flights from Chicago to Saint Lucia

Our best Air Canada deals on Chicago to Saint Lucia flight tickets
Air Canada
Mar 28
ORD3:55 pmChicago O'Hare Intl
22h 25m
1 stop
UVF3:20 pmCastries Hewanorra
Apr 2
UVF4:15 pmCastries Hewanorra
27h 38m
2 stops
ORD6:53 pmChicago O'Hare Intl
$419
Air Canada
Mar 3
ORD8:40 pmChicago O'Hare Intl
17h 40m
1 stop
UVF4:20 pmCastries Hewanorra
Mar 5
UVF5:15 pmCastries Hewanorra
17h 58m
1 stop
ORD9:13 amChicago O'Hare Intl
$459
Air Canada
Mar 3
ORD1:55 pmChicago O'Hare Intl
24h 25m
2 stops
UVF4:20 pmCastries Hewanorra
Mar 5
UVF5:15 pmCastries Hewanorra
17h 58m
1 stop
ORD9:13 amChicago O'Hare Intl
$464

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 January 21, 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

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 3/28

3:55 pm-3:20 pm

1 stop22h 25m

Castries Hewanorra

Thu 4/2

4:15 pm-6:53 pm

2 stops27h 38m

$419

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 3/28

3:55 pm-3:20 pm

1 stop22h 25m

Castries Hewanorra

Thu 4/2

4:15 pm-9:10 am

1 stop17h 55m

$459

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 3/28

6:04 pm-3:20 pm

2 stops20h 16m

Castries Hewanorra

Thu 4/2

4:15 pm-10:30 am

2 stops19h 15m

$467

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Tue 3/31

6:21 pm-3:20 pm

2 stops19h 59m

Castries Hewanorra

Thu 4/2

4:15 pm-5:45 pm

1 stop26h 30m

$469

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Tue 3/24

12:50 pm-3:25 pm

2 stops25h 35m

Castries Hewanorra

Thu 4/2

4:15 pm-6:53 pm

2 stops27h 38m

$472

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

Fri 3/6

12:05 pm-10:10 pm

3 stops32h 05m

Castries George F. L. Charle

Sun 3/8

6:45 pm-6:29 pm

2 stops24h 44m

$578

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Tue 3/24

1:10 pm-1:58 pm

2 stops23h 48m

Castries Hewanorra

Tue 3/31

3:18 pm-5:54 pm

2 stops27h 36m

$591

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Tue 3/17

6:00 am-1:58 pm

1 stop6h 58m

Castries Hewanorra

Tue 3/24

3:18 pm-5:54 pm

2 stops27h 36m

$621

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Tue 3/17

6:34 pm-1:58 pm

2 stops18h 24m

Castries Hewanorra

Tue 3/24

3:18 pm-5:54 pm

2 stops27h 36m

$651

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Wed 3/25

6:00 am-1:58 pm

1 stop6h 58m

Castries Hewanorra

Tue 3/31

3:18 pm-12:29 pm

2 stops22h 11m

$697

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 22% 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

$369

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 $369. The best round-trip flight deal from Chicago to Saint Lucia found on momondo in the last 72 hours is $1,500.
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
11,169 reviews
Search American Airlines flights
DeltaPriceFrom $555Free CancellationRating
7.9
8,085 reviews
Search Delta flights
United AirlinesPriceFrom $600Free CancellationRating
7.4
9,188 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.

An easier way to manage your Saint Lucia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 2/20
Fri 2/27
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Saint Lucia

Popular cities in Saint Lucia

Popular flights according to clicks in the last 7 days on momondo
Flights to Castriesfrom $489