What is the cheapest airline that flies from Chicago to Saint Lucia?

Air Canada, Delta, and American Airlines are the most popular carriers operating from Chicago to Saint Lucia

What airlines fly to Saint Lucia?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Saint Lucia from Chicago according to our data. American Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Saint Lucia. Keep in mind that there are 3 different airlines that fly to Saint Lucia on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Chicago to Saint Lucia is 3 as of May 2026.

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.

$231 Cheap Flights from Chicago to Saint Lucia in 2026

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Find the cheapest flights from Chicago to Saint Lucia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:45 am - 2:10 pm

ORD

UVF

52h 25m

2 stops

3:15 pm - 1:22 pm

UVF

ORD

23h 07m

1 stop

$382Air Canada

Sun, Jun 14 - Fri, Jun 19

6:22 pm - 2:10 pm

ORD

UVF

42h 48m

2 stops

3:15 pm - 7:45 am

UVF

ORD

17h 30m

2 stops

$388Air Canada

Sun, Jun 14 - Fri, Jun 19

6:22 pm - 2:20 pm

ORD

UVF

18h 58m

2 stops

3:15 pm - 7:45 am

UVF

ORD

17h 30m

2 stops

$398Air Canada

Thu, Jun 18 - Tue, Jun 23

9:50 am - 2:20 pm

ORD

UVF

27h 30m

1 stop

3:05 pm - 8:05 pm

UVF

ORD

30h 00m

2 stops

$424Air Canada

Thu, Jul 23 - Tue, Jul 28

8:45 am - 2:20 pm

ORD

UVF

28h 35m

2 stops

3:05 pm - 8:05 pm

UVF

ORD

30h 00m

2 stops

$427Air Canada

Thu, Jul 23 - Tue, Jul 28

6:22 pm - 2:20 pm

ORD

UVF

18h 58m

2 stops

3:15 pm - 9:00 am

UVF

ORD

18h 45m

1 stop

$434Air Canada

Thu, Jun 18 - Tue, Jun 23

6:05 am - 2:14 pm

MDW

UVF

7h 09m

1 stop

3:34 pm - 12:39 pm

UVF

MDW

22h 05m

2 stops

$1,002Delta

Sat, Aug 15 - Sat, Aug 22

8:40 pm - 7:00 pm

ORD

SLU

21h 20m

2 stops

3:45 pm - 2:55 pm

SLU

ORD

48h 10m

2 stops

$1,012Multiple Airlines

Sat, Jun 20 - Sun, Jun 28

6:25 pm - 1:10 pm

ORD

SLU

41h 45m

3 stops

12:35 pm - 9:00 am

SLU

ORD

21h 25m

2 stops

$1,093Multiple Airlines

Thu, Jun 4 - Sun, Jun 7

9:17 am - 1:40 pm

MDW

UVF

51h 23m

2 stops

2:30 pm - 6:31 pm

UVF

MDW

29h 01m

2 stops

$2,997WestJet

Tue, Jun 30 - Sun, Jul 5

Air Canada flights from Chicago to Saint Lucia

Our best Air Canada deals on Chicago to Saint Lucia flight tickets

Air Canada

Jun 14

ORD8:45 amChicago O'Hare Intl

52h 25m

2 stops

UVF2:10 pmCastries Hewanorra

Jun 19

UVF3:15 pmCastries Hewanorra

23h 07m

1 stop

ORD1:22 pmChicago O'Hare Intl

$382

Air Canada

Jun 14

ORD6:22 pmChicago O'Hare Intl

42h 48m

2 stops

UVF2:10 pmCastries Hewanorra

Jun 19

UVF3:15 pmCastries Hewanorra

17h 30m

2 stops

ORD7:45 amChicago O'Hare Intl

$388

Air Canada

Jun 18

ORD6:22 pmChicago O'Hare Intl

18h 58m

2 stops

UVF2:20 pmCastries Hewanorra

Jun 23

UVF3:15 pmCastries Hewanorra

17h 30m

2 stops

ORD7:45 amChicago O'Hare Intl

$398

JetBlue flights from Chicago to Saint Lucia

Our best JetBlue deals on Chicago to Saint Lucia flight tickets

JetBlue

Jun 20

ORD5:22 pmChicago O'Hare Intl

18h 12m

1 stop

UVF12:34 pmCastries Hewanorra

Jun 28

UVF1:50 pmCastries Hewanorra

19h 55m

1 stop

ORD8:45 amChicago O'Hare Intl

$605

JetBlue

Jul 8

ORD6:30 pmChicago O'Hare Intl

17h 06m

1 stop

UVF12:36 pmCastries Hewanorra

Jul 20

UVF4:40 pmCastries Hewanorra

17h 10m

1 stop

ORD8:50 amChicago O'Hare Intl

$619

JetBlue

Jun 20

ORD5:22 pmChicago O'Hare Intl

21h 10m

1 stop

UVF3:32 pmCastries Hewanorra

Jun 22

UVF4:38 pmCastries Hewanorra

29h 51m

1 stop

ORD9:29 pmChicago O'Hare Intl

$635

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 6/14

8:45 am-2:10 pm

2 stops52h 25m

Castries Hewanorra

Fri 6/19

3:15 pm-1:22 pm

1 stop23h 07m

$382

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 6/14

6:22 pm-2:10 pm

2 stops42h 48m

Castries Hewanorra

Fri 6/19

3:15 pm-7:45 am

2 stops17h 30m

$388

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Thu 6/18

6:22 pm-2:20 pm

2 stops18h 58m

Castries Hewanorra

Tue 6/23

3:15 pm-7:45 am

2 stops17h 30m

$398

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Thu 7/23

9:50 am-2:20 pm

1 stop27h 30m

Castries Hewanorra

Tue 7/28

3:05 pm-8:05 pm

2 stops30h 00m

$424

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Thu 7/23

8:45 am-2:20 pm

2 stops28h 35m

Castries Hewanorra

Tue 7/28

3:05 pm-8:05 pm

2 stops30h 00m

$427

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Thu 6/18

6:22 pm-2:20 pm

2 stops18h 58m

Castries Hewanorra

Tue 6/23

3:15 pm-9:00 am

1 stop18h 45m

$434

Quickest round-trip

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Sat 8/15

6:05 am-2:14 pm

1 stop7h 09m

Castries Hewanorra

Sat 8/22

3:34 pm-12:39 pm

2 stops22h 05m

$1,002

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

Sat 6/20

8:40 pm-7:00 pm

2 stops21h 20m

Castries George F. L. Charle

Sun 6/28

3:45 pm-2:55 pm

2 stops48h 10m

$1,012

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

Thu 6/4

6:25 pm-1:10 pm

3 stops41h 45m

Castries George F. L. Charle

Sun 6/7

12:35 pm-9:00 am

2 stops21h 25m

$1,093

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Tue 6/30

9:17 am-1:40 pm

2 stops51h 23m

Castries Hewanorra

Sun 7/5

2:30 pm-6:31 pm

2 stops29h 01m

$2,997

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 August is also cheap. Prices for this month can be found on momondo for an average of $368.

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 18% 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	$488
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 $488. The best round-trip flight deal from Chicago to Saint Lucia found on momondo in the last 72 hours is $928.

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

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?
The number of operators available for flights from Chicago to Saint Lucia is 3 as of May 2026.
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?
Based on momondo bookings for flights between Chicago and Saint Lucia, the leading plane model is Boeing 737-700, making up 100.00% of the total bookings.

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 Airlines	PriceFrom $552	Free Cancellation	Rating 7.1 11,629 reviews	Search American Airlines flights
Delta	PriceFrom $565	Free Cancellation	Rating 7.9 8,425 reviews	Search Delta flights
United Airlines	PriceFrom $608	Free Cancellation	Rating 7.4 9,749 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

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Flights to Castriesfrom $567

Cheap flights from Chicago to Saint Lucia from $231

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 8/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from Chicago to Saint Lucia

Our best Air Canada deals on Chicago to Saint Lucia flight tickets

JetBlue flights from Chicago to Saint Lucia

Our best JetBlue deals on Chicago to Saint Lucia flight tickets

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See travel insights to Saint Lucia from

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

What is the cheapest month to fly to Saint Lucia?

What is the cheapest Chicago to Saint Lucia flight route?

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

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

What is the cheapest airline that flies from Chicago to Saint Lucia?

What airlines fly to Saint Lucia?

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

Fastest flight time

Direct flights

Airports in Saint Lucia

Frequently asked questions about flying 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

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Chicago flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

Fly your favorite airline to Saint Lucia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Saint Lucia

List of cabin classes available on flights landing in Saint Lucia. Availability may vary depending on flight origin and airline.

Complete your trip to Saint Lucia

Explore popular destinations other users love

According to popular flight searches on momondo this year