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

United Airlines, 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 57% 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 October 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.

$243 Cheap Flights from Chicago to Saint Lucia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Saint Lucia

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:40 pm - 4:40 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

22h 00m1 stop Toronto Pearson Intl

5:35 pm - 1:13 pmUVF Castries Hewanorra-ORD Chicago O'Hare Intl

21h 38m1 stop Toronto Pearson Intl

$443Air Canada

Sat, Nov 28 - Fri, Dec 4

8:45 am - 4:40 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

29h 55m1 stop Toronto Pearson Intl

5:35 pm - 3:38 pmUVF Castries Hewanorra-ORD Chicago O'Hare Intl

24h 03m1 stop Toronto Pearson Intl

$444Air Canada

Wed, Dec 9 - Wed, Dec 16

4:30 pm - 4:40 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

22h 10m1 stop Toronto Pearson Intl

5:35 pm - 9:08 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

17h 33m1 stop Toronto Pearson Intl

$466Air Canada

Sat, Dec 5 - Wed, Dec 9

8:55 pm - 2:16 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

15h 21m1 stop Charlotte Douglas

3:46 pm - 1:05 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

11h 19m1 stop Miami

$597American Airlines

Mon, Jan 11 - Fri, Jan 15

6:49 pm - 2:16 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

17h 27m1 stop Charlotte Douglas

4:38 pm - 11:59 pmUVF Castries Hewanorra-ORD Chicago O'Hare Intl

9h 21m1 stop Miami

$597American Airlines

Mon, Jan 25 - Fri, Jan 29

8:59 pm - 2:16 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

15h 17m2 stops Washington, D.C. Reagan-National Charlotte Douglas

4:38 pm - 6:59 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

16h 21m2 stops Miami Philadelphia

$601American Airlines

Mon, Jan 25 - Fri, Jan 29

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

5h 33mnonstop

1:52 pm - 6:15 pmUVF Castries Hewanorra-ORD Chicago O'Hare Intl

6h 23mnonstop

$682United 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 - 7:45 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

16h 28m1 stop Newark

$692United Airlines

Sat, Nov 28 - Sat, Dec 5

5:30 am - 3:04 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

7h 34m1 stop Atlanta Hartsfield-Jackson

3:02 pm - 9:54 pmUVF Castries Hewanorra-ORD Chicago O'Hare Intl

8h 52m1 stop Atlanta Hartsfield-Jackson

$697Delta

Sat, Dec 12 - Sat, Dec 19

5:30 am - 3:05 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

7h 35m1 stop Atlanta Hartsfield-Jackson

4:25 pm - 11:50 pmUVF Castries Hewanorra-ORD Chicago O'Hare Intl

9h 25m1 stop Atlanta Hartsfield-Jackson

$709Delta

Wed, Jan 6 - Fri, Jan 15

Cheap last minute flights

Enter your travel dates to find the best prices.

10:15 am - 4:40 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

28h 25m1 stop Toronto Pearson Intl

5:35 pm - 5:43 pmUVF Castries Hewanorra-ORD Chicago O'Hare Intl

26h 08m1 stop Toronto Pearson Intl

$470Air Canada

Sun, Nov 1 - Mon, Nov 9

8:40 pm - 4:40 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

18h 00m1 stop Toronto Pearson Intl

5:35 pm - 9:23 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

17h 48m1 stop Toronto Pearson Intl

$491Air Canada

Sun, Nov 1 - Mon, Nov 9

8:40 pm - 4:40 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

18h 00m1 stop Toronto Pearson Intl

5:35 pm - 11:07 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

19h 32m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$494Air Canada

Sun, Nov 1 - Mon, Nov 9

8:40 pm - 4:40 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

18h 00m1 stop Toronto Pearson Intl

5:35 pm - 8:00 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

16h 25m2 stops Toronto Pearson Intl Ottawa

$496Air Canada

Sun, Nov 1 - Mon, Nov 9

7:55 am - 4:40 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

30h 45m3 stops Fort Lauderdale Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

5:35 pm - 3:38 pmUVF Castries Hewanorra-ORD Chicago O'Hare Intl

24h 03m1 stop Toronto Pearson Intl

$677Multiple Airlines

Sun, Nov 1 - Mon, Nov 9

7:55 am - 4:40 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

30h 45m3 stops Fort Lauderdale Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

5:35 pm - 3:02 pmUVF Castries Hewanorra-ORD Chicago O'Hare Intl

23h 27m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$715Multiple Airlines

Sun, Nov 1 - Mon, Nov 9

6:05 pm - 1:30 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

17h 25m1 stop Miami

4:41 pm - 12:44 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

10h 03m1 stop Miami

$939American Airlines

Sun, Nov 1 - Mon, Nov 9

9:06 pm - 1:30 pmORD Chicago O'Hare Intl-UVF Castries Hewanorra

14h 24m2 stops Charlotte Douglas Miami

4:41 pm - 7:26 amUVF Castries Hewanorra-ORD Chicago O'Hare Intl

16h 45m2 stops Miami Washington, D.C. Reagan-National

$943American Airlines

Sun, Nov 1 - Mon, Nov 9

6:04 am - 3:12 pmMDW Chicago Midway-UVF Castries Hewanorra

7h 08m1 stop Atlanta Hartsfield-Jackson

4:25 pm - 10:54 pmUVF Castries Hewanorra-MDW Chicago Midway

8h 29m1 stop Atlanta Hartsfield-Jackson

$979Delta

Sun, Nov 1 - Mon, Nov 9

6:04 am - 3:12 pmMDW Chicago Midway-UVF Castries Hewanorra

7h 08m1 stop Atlanta Hartsfield-Jackson

4:25 pm - 10:54 pmUVF Castries Hewanorra-MDW Chicago Midway

8h 29m1 stop Atlanta Hartsfield-Jackson

$999Delta

Sun, Nov 1 - Mon, Nov 9

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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

Nov 28

ORD4:40 pmChicago O'Hare Intl

22h 00m

1 stop

UVF4:40 pmCastries Hewanorra

Dec 4

UVF5:35 pmCastries Hewanorra

21h 38m

1 stop

ORD1:13 pmChicago O'Hare Intl

$443

Air Canada

Dec 9

ORD8:45 amChicago O'Hare Intl

29h 55m

1 stop

UVF4:40 pmCastries Hewanorra

Dec 16

UVF5:35 pmCastries Hewanorra

24h 03m

1 stop

ORD3:38 pmChicago O'Hare Intl

$444

Air Canada

Dec 5

ORD4:30 pmChicago O'Hare Intl

22h 10m

1 stop

UVF4:40 pmCastries Hewanorra

Dec 9

UVF5:35 pmCastries Hewanorra

17h 33m

1 stop

ORD9:08 amChicago O'Hare Intl

$466

American Airlines flights from Chicago to Saint Lucia

Our best American Airlines deals on Chicago to Saint Lucia flight tickets

American Airlines

Jan 11

ORD8:55 pmChicago O'Hare Intl

15h 21m

1 stop

UVF2:16 pmCastries Hewanorra

Jan 15

UVF3:46 pmCastries Hewanorra

11h 19m

1 stop

ORD1:05 amChicago O'Hare Intl

$597

American Airlines

Jan 11

ORD9:30 pmChicago O'Hare Intl

14h 46m

2 stops

UVF2:16 pmCastries Hewanorra

Jan 15

UVF4:38 pmCastries Hewanorra

18h 52m

1 stop

ORD9:30 amChicago O'Hare Intl

$601

American Airlines

Nov 28

ORD6:15 pmChicago O'Hare Intl

18h 41m

1 stop

UVF2:56 pmCastries Hewanorra

Dec 5

UVF2:32 pmCastries Hewanorra

12h 21m

1 stop

ORD12:53 amChicago O'Hare Intl

$604

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

Sat 11/28

4:40 pm-4:40 pm

1 stop22h 00m

Castries Hewanorra

Fri 12/4

5:35 pm-1:13 pm

1 stop21h 38m

$443

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Wed 12/9

8:45 am-4:40 pm

1 stop29h 55m

Castries Hewanorra

Wed 12/16

5:35 pm-3:38 pm

1 stop24h 03m

$444

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Sat 12/5

4:30 pm-4:40 pm

1 stop22h 10m

Castries Hewanorra

Wed 12/9

5:35 pm-9:08 am

1 stop17h 33m

$466

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Mon 1/11

8:55 pm-2:16 pm

1 stop15h 21m

Castries Hewanorra

Fri 1/15

3:46 pm-1:05 am

1 stop11h 19m

$597

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Mon 1/25

6:49 pm-2:16 pm

1 stop17h 27m

Castries Hewanorra

Fri 1/29

4:38 pm-11:59 pm

1 stop9h 21m

$597

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Mon 1/25

8:59 pm-2:16 pm

2 stops15h 17m

Castries Hewanorra

Fri 1/29

4:38 pm-6:59 am

2 stops16h 21m

$601

Quickest round-trip

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

1:52 pm-6:15 pm

Nonstop6h 23m

$682

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

$692

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Sat 12/12

5:30 am-3:04 pm

1 stop7h 34m

Castries Hewanorra

Sat 12/19

3:02 pm-9:54 pm

1 stop8h 52m

$697

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Wed 1/6

5:30 am-3:05 pm

1 stop7h 35m

Castries Hewanorra

Fri 1/15

4:25 pm-11:50 pm

1 stop9h 25m

$709

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 September is, on average, the cheapest month to fly to Saint Lucia from Chicago, with most prices found around $742. If you aren’t able to travel to Saint Lucia during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $766.

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 9% 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	$243
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 $243. The best round-trip flight deal from Chicago to Saint Lucia found on momondo in the last 72 hours is $443.

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?
The number of operators available for flights from Chicago to Saint Lucia is 3 as of October 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 90.91% of the total bookings. Other popular models include Airbus A321-100/200 with 4.55% and Airbus A320-100/200 with 4.55%.

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 7.0 12,187 reviews	Search American Airlines flights
Delta	PriceFrom $565	Free Cancellation	Rating 7.8 8,676 reviews	Search Delta flights
United Airlines	PriceFrom $662	Free Cancellation	Rating 7.3 10,440 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 $633

Cheap flights from Chicago to Saint Lucia from $243

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 4/17. 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

American Airlines flights from Chicago to Saint Lucia

Our best American Airlines 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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According to popular flight searches on momondo this year