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

Air Canada, Delta, and WestJet 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 60% 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 August 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.

$158 Cheap Flights from Chicago to Saint Lucia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Saint Lucia

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Cheap round-trip flights

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8:45 pm - 2:15 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

16h 30m1 stop Toronto Pearson Intl

3:10 pm - 9:00 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

18h 50m1 stop Toronto Pearson Intl

$410Air Canada

Thu, Oct 1 - Fri, Oct 9

8:45 pm - 2:15 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

16h 30m1 stop Toronto Pearson Intl

3:10 pm - 10:17 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

20h 07m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$413Air Canada

Thu, Oct 1 - Fri, Oct 9

3:40 pm - 2:15 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

45h 35m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

3:10 pm - 2:55 pmUVF Castries Hewanorra-ORD Chicago O'Hare Intl

24h 45m1 stop Toronto Pearson Intl

$413Air Canada

Wed, Sep 9 - Fri, Sep 18

8:55 pm - 2:02 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

16h 07m2 stops Washington, D.C. Reagan-National Miami

3:02 pm - 7:42 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

17h 40m2 stops Miami Dallas/Fort Worth

$680American Airlines

Fri, Sep 18 - Fri, Sep 25

5:00 am - 2:02 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

8h 02m1 stop Miami

3:02 pm - 11:30 pmUVF Castries Hewanorra-ORD Chicago O'Hare Intl

9h 28m1 stop Miami

$680American Airlines

Fri, Sep 18 - Fri, Sep 25

9:15 pm - 2:02 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

15h 47m2 stops Dallas/Fort Worth Miami

3:02 pm - 11:30 pmUVF Castries Hewanorra-ORD Chicago O'Hare Intl

9h 28m1 stop Miami

$680American Airlines

Fri, Sep 18 - Fri, Sep 25

8:52 am - 4:25 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

5h 33mnonstop

5:17 pm - 7:45 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

16h 28m1 stop Newark

$684United Airlines

Sat, Nov 28 - Sat, Dec 5

8:52 am - 4:25 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

5h 33mnonstop

5:17 pm - 8:30 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

17h 13m1 stop Newark

$684United Airlines

Sat, Dec 5 - Sat, Dec 12

6:05 am - 2:12 pmMDW Chicago Midway-UVF Castries Hewanorra

7h 07m1 stop Atlanta Hartsfield-Jackson

3:32 pm - 10:44 pmUVF Castries Hewanorra-MDW Chicago Midway

8h 12m1 stop Atlanta Hartsfield-Jackson

$688Delta

Wed, Sep 16 - Wed, Sep 23

5:30 am - 2:12 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

7h 42m1 stop Atlanta Hartsfield-Jackson

3:32 pm - 11:59 pmUVF Castries Hewanorra-ORD Chicago O'Hare Intl

9h 27m1 stop Atlanta Hartsfield-Jackson

$688Delta

Wed, Sep 16 - Wed, Sep 23

Cheap last minute flights

Enter your travel dates to find the best prices.

8:53 pm - 2:19 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

16h 26m1 stop Charlotte Douglas

2:49 pm - 7:34 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

17h 45m1 stop Miami

$1,013American Airlines

Wed, Aug 26 - Tue, Sep 1

5:00 am - 1:49 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

7h 49m1 stop Miami

2:49 pm - 7:42 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

17h 53m2 stops Miami Dallas/Fort Worth

$1,018American Airlines

Wed, Aug 26 - Tue, Sep 1

3:40 pm - 2:20 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

45h 40m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

3:15 pm - 6:46 pmUVF Castries Hewanorra-ORD Chicago O'Hare Intl

28h 31m2 stops Toronto Pearson Intl Ottawa

$1,018Air Canada

Wed, Aug 26 - Tue, Sep 1

6:59 pm - 1:49 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

17h 50m1 stop Miami

2:49 pm - 11:30 pmUVF Castries Hewanorra-ORD Chicago O'Hare Intl

9h 41m1 stop Miami

$1,138American Airlines

Mon, Aug 24 - Wed, Aug 26

6:59 pm - 1:49 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

17h 50m1 stop Miami

2:49 pm - 11:30 pmUVF Castries Hewanorra-ORD Chicago O'Hare Intl

9h 41m1 stop Miami

$1,138American Airlines

Mon, Aug 24 - Wed, Aug 26

9:05 pm - 1:49 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

15h 44m2 stops Dallas/Fort Worth Miami

2:49 pm - 7:59 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

18h 10m2 stops Miami New York LaGuardia

$1,143American Airlines

Mon, Aug 24 - Wed, Aug 26

9:05 pm - 1:49 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

15h 44m2 stops Dallas/Fort Worth Miami

2:49 pm - 7:59 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

18h 10m2 stops Miami New York LaGuardia

$1,143American Airlines

Mon, Aug 24 - Wed, Aug 26

8:58 pm - 1:49 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

15h 51m2 stops Washington, D.C. Reagan-National Miami

2:49 pm - 12:35 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

10h 46m1 stop Miami

$1,143American Airlines

Mon, Aug 24 - Wed, Aug 26

8:58 pm - 1:49 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

15h 51m2 stops Washington, D.C. Reagan-National Miami

2:49 pm - 12:35 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

10h 46m1 stop Miami

$1,143American Airlines

Mon, Aug 24 - Wed, Aug 26

11:05 am - 1:10 pmORD Chicago O'Hare Intl-SLU Castries George F. L. Charle

25h 05m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Port of Spain Piarco Intl

11:45 am - 8:55 amSLU Castries George F. L. Charle-ORD Chicago O'Hare Intl

22h 10m2 stops Port of Spain Piarco Intl Toronto Pearson Intl

$1,621Multiple Airlines

Wed, Aug 26 - Tue, Sep 1

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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 1

ORD8:45 pmChicago O'Hare Intl

16h 30m

1 stop

UVF2:15 pmCastries Hewanorra

Oct 9

UVF3:10 pmCastries Hewanorra

18h 50m

1 stop

ORD9:00 amChicago O'Hare Intl

$410

Air Canada

Sep 9

ORD3:40 pmChicago O'Hare Intl

45h 35m

2 stops

UVF2:15 pmCastries Hewanorra

Sep 18

UVF3:10 pmCastries Hewanorra

24h 45m

1 stop

ORD2:55 pmChicago O'Hare Intl

$413

Air Canada

Oct 1

ORD9:55 amChicago O'Hare Intl

27h 20m

1 stop

UVF2:15 pmCastries Hewanorra

Oct 9

UVF3:10 pmCastries Hewanorra

20h 07m

2 stops

ORD10:17 amChicago O'Hare Intl

$414

Delta flights from Chicago to Saint Lucia

Our best Delta deals on Chicago to Saint Lucia flight tickets

Delta

Sep 16

MDW6:05 amChicago Midway

7h 07m

1 stop

UVF2:12 pmCastries Hewanorra

Sep 23

UVF3:32 pmCastries Hewanorra

8h 12m

1 stop

MDW10:44 pmChicago Midway

$688

Delta

Nov 23

MDW1:22 pmChicago Midway

23h 48m

2 stops

UVF3:10 pmCastries Hewanorra

Dec 1

UVF4:25 pmCastries Hewanorra

27h 39m

2 stops

MDW6:04 pmChicago Midway

$693

Delta

Sep 18

MDW6:05 amChicago Midway

7h 07m

1 stop

UVF2:12 pmCastries Hewanorra

Sep 25

UVF3:32 pmCastries Hewanorra

8h 12m

1 stop

MDW10:44 pmChicago Midway

$747

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Thu 10/1

8:45 pm-2:15 pm

1 stop16h 30m

Castries Hewanorra

Fri 10/9

3:10 pm-9:00 am

1 stop18h 50m

$410

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Thu 10/1

8:45 pm-2:15 pm

1 stop16h 30m

Castries Hewanorra

Fri 10/9

3:10 pm-10:17 am

2 stops20h 07m

$413

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Wed 9/9

3:40 pm-2:15 pm

2 stops45h 35m

Castries Hewanorra

Fri 9/18

3:10 pm-2:55 pm

1 stop24h 45m

$413

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Fri 9/18

8:55 pm-2:02 pm

2 stops16h 07m

Castries Hewanorra

Fri 9/25

3:02 pm-7:42 am

2 stops17h 40m

$680

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Fri 9/18

5:00 am-2:02 pm

1 stop8h 02m

Castries Hewanorra

Fri 9/25

3:02 pm-11:30 pm

1 stop9h 28m

$680

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Fri 9/18

9:15 pm-2:02 pm

2 stops15h 47m

Castries Hewanorra

Fri 9/25

3:02 pm-11:30 pm

1 stop9h 28m

$680

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Sat 11/28

8:52 am-4:25 pm

Nonstop5h 33m

Castries Hewanorra

Sat 12/5

5:17 pm-7:45 am

1 stop16h 28m

$684

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Sat 12/5

8:52 am-4:25 pm

Nonstop5h 33m

Castries Hewanorra

Sat 12/12

5:17 pm-8:30 am

1 stop17h 13m

$684

Quickest round-trip

ChicagoCastries

MDW Chicago Midway - UVF Castries Hewanorra

MDWUVF

Chicago Midway

Wed 9/16

6:05 am-2:12 pm

1 stop7h 07m

Castries Hewanorra

Wed 9/23

3:32 pm-10:44 pm

1 stop8h 12m

$688

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Wed 9/16

5:30 am-2:12 pm

1 stop7h 42m

Castries Hewanorra

Wed 9/23

3:32 pm-11:59 pm

1 stop9h 27m

$688

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 January is, on average, the cheapest month to fly to Saint Lucia from Chicago, with most prices found around $733. If you aren’t able to travel to Saint Lucia during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $764.

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 2 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 14% 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	$158
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 $158. The best round-trip flight deal from Chicago to Saint Lucia found on momondo in the last 72 hours is $410.

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 August 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 92.31% of the total bookings. Other popular models include Airbus A321-100/200 with 3.85% and Airbus A320-100/200 with 3.85%.

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 11,990 reviews	Search American Airlines flights
Delta	PriceFrom $565	Free Cancellation	Rating 7.8 8,516 reviews	Search Delta flights
United Airlines	PriceFrom $621	Free Cancellation	Rating 7.4 10,110 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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Flights to Castriesfrom $514

Cheap flights from Chicago to Saint Lucia from $158

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 9/24. 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

Delta flights from Chicago to Saint Lucia

Our best Delta 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

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

Saint Lucia flight routes

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

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