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 54% 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 November 2025.

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.

$195 Cheap Flights from Chicago to Saint Lucia in 2025/26

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Find the cheapest flights from Chicago to Saint Lucia

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:45 am - 3:15 pmORD-UVF

28h 30m1 stop

4:40 pm - 7:45 pmUVF-ORD

29h 05m1 stop

$426JetBlue

Find Deal

Wed, Jan 28 - Mon, Feb 2

8:45 am - 3:15 pmORD-UVF

28h 30m1 stop

4:40 pm - 5:44 pmUVF-ORD

27h 04m2 stops

$459JetBlue

Find Deal

Wed, Jan 28 - Mon, Feb 2

8:30 pm - 4:20 pmORD-UVF

17h 50m1 stop

5:15 pm - 9:13 amUVF-ORD

17h 58m1 stop

$510Air Canada

Find Deal

Tue, Jan 27 - Mon, Feb 2

6:20 pm - 3:30 pmORD-UVF

20h 10m2 stops

4:20 pm - 3:10 pmUVF-ORD

23h 50m1 stop

$513Air Canada

Find Deal

Sun, Mar 29 - Fri, Apr 3

7:30 pm - 4:02 pmORD-UVF

18h 32m1 stop

5:02 pm - 9:05 amUVF-ORD

18h 03m1 stop

$565American Airlines

Find Deal

Sat, Jan 24 - Tue, Feb 3

9:10 pm - 3:03 pmORD-UVF

15h 53m2 stops

5:02 pm - 8:31 amUVF-ORD

17h 29m2 stops

$570American Airlines

Find Deal

Sat, Jan 24 - Tue, Feb 3

5:33 am - 3:05 pmORD-UVF

7h 32m1 stop

4:25 pm - 11:57 pmUVF-ORD

9h 32m1 stop

$590Delta

Find Deal

Mon, Jan 19 - Mon, Jan 26

5:33 am - 3:05 pmORD-UVF

7h 32m1 stop

4:25 pm - 11:57 pmUVF-ORD

9h 32m1 stop

$650Delta

Find Deal

Sun, Jan 25 - Sun, Feb 1

9:14 pm - 10:10 pmORD-SLU

22h 56m3 stops

4:20 pm - 6:36 pmSLU-ORD

28h 16m2 stops

$726Multiple Airlines

Find Deal

Fri, Dec 5 - Mon, Dec 8

4:38 pm - 11:30 amORD-SLU

40h 52m3 stops

10:25 am - 8:31 amSLU-ORD

24h 06m2 stops

$728Multiple Airlines

Find Deal

Wed, Dec 10 - Wed, Dec 17

Delta flights from Chicago to Saint Lucia

Our best Delta deals on Chicago to Saint Lucia flight tickets

Delta

Jan 19

ORD5:33 amChicago O'Hare Intl

7h 32m

1 stop

UVF3:05 pmCastries Hewanorra

Jan 26

UVF4:25 pmCastries Hewanorra

9h 32m

1 stop

ORD11:57 pmChicago O'Hare Intl

$590

Find similar

Delta

Jan 25

ORD5:33 amChicago O'Hare Intl

7h 32m

1 stop

UVF3:05 pmCastries Hewanorra

Feb 1

UVF4:25 pmCastries Hewanorra

9h 32m

1 stop

ORD11:57 pmChicago O'Hare Intl

$650

Find similar

Delta

Jan 11

ORD11:05 amChicago O'Hare Intl

26h 00m

2 stops

UVF3:05 pmCastries Hewanorra

Jan 18

UVF4:25 pmCastries Hewanorra

9h 32m

1 stop

ORD11:57 pmChicago O'Hare Intl

$655

Find similar

American Airlines flights from Chicago to Saint Lucia

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

American Airlines

Jan 24

ORD7:30 pmChicago O'Hare Intl

18h 32m

1 stop

UVF4:02 pmCastries Hewanorra

Feb 3

UVF5:02 pmCastries Hewanorra

18h 03m

1 stop

ORD9:05 amChicago O'Hare Intl

$565

Find similar

American Airlines

Jan 24

ORD9:10 pmChicago O'Hare Intl

15h 53m

2 stops

UVF3:03 pmCastries Hewanorra

Feb 3

UVF5:02 pmCastries Hewanorra

17h 29m

2 stops

ORD8:31 amChicago O'Hare Intl

$570

Find similar

American Airlines

Jan 19

ORD8:50 pmChicago O'Hare Intl

16h 13m

2 stops

UVF3:03 pmCastries Hewanorra

Jan 26

UVF5:02 pmCastries Hewanorra

18h 03m

2 stops

ORD9:05 amChicago O'Hare Intl

$595

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Wed 1/28

8:45 am-3:15 pm

1 stop28h 30m

Castries Hewanorra

Mon 2/2

4:40 pm-7:45 pm

1 stop29h 05m

$426

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Wed 1/28

8:45 am-3:15 pm

1 stop28h 30m

Castries Hewanorra

Mon 2/2

4:40 pm-5:44 pm

2 stops27h 04m

$459

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Tue 1/27

8:30 pm-4:20 pm

1 stop17h 50m

Castries Hewanorra

Mon 2/2

5:15 pm-9:13 am

1 stop17h 58m

$510

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 3/29

6:20 pm-3:30 pm

2 stops20h 10m

Castries Hewanorra

Fri 4/3

4:20 pm-3:10 pm

1 stop23h 50m

$513

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 1/24

7:30 pm-4:02 pm

1 stop18h 32m

Castries Hewanorra

Tue 2/3

5:02 pm-9:05 am

1 stop18h 03m

$565

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sat 1/24

9:10 pm-3:03 pm

2 stops15h 53m

Castries Hewanorra

Tue 2/3

5:02 pm-8:31 am

2 stops17h 29m

$570

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 1/19

5:33 am-3:05 pm

1 stop7h 32m

Castries Hewanorra

Mon 1/26

4:25 pm-11:57 pm

1 stop9h 32m

$590

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 1/25

5:33 am-3:05 pm

1 stop7h 32m

Castries Hewanorra

Sun 2/1

4:25 pm-11:57 pm

1 stop9h 32m

$650

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

Fri 12/5

9:14 pm-10:10 pm

3 stops22h 56m

Castries George F. L. Charle

Mon 12/8

4:20 pm-6:36 pm

2 stops28h 16m

$726

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

Wed 12/10

4:38 pm-11:30 am

3 stops40h 52m

Castries George F. L. Charle

Wed 12/17

10:25 am-8:31 am

2 stops24h 06m

$728

Flights are sorted by cheapest round-trip flights first.

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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 $608. If you aren’t able to travel to Saint Lucia during the month of September, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $647.

What is the cheapest day to depart on your flight to Saint Lucia?

Our data shows that Tuesday is the least expensive day to fly to Saint Lucia. Tickets to fly out on this day can be as low as $628. On the other hand, Thursday is the most expensive day to depart from Chicago because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,262.

What is the cheapest time of day to depart on your flight to Saint Lucia?

Our data shows that the cheapest Chicago to Saint Lucia flights are usually those with departure times in the afternoon. Our users have found flights to Saint Lucia in the afternoon for as low as $613. Flights in the morning are often more expensive with an average ticket price of $862.

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 5% 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	$368
Fastest flight time	5h 33m
Direct flights	Sun
Airports in Saint Lucia	1 airport

The best one-way flight to Saint Lucia from Chicago in the past 72 hours is $368. The best round-trip flight deal from Chicago to Saint Lucia found on momondo in the last 72 hours is $1,088.

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 is 1 airport near Saint Lucia: 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?
The number of operators available for flights from Chicago to Saint Lucia is 3 as of November 2025.
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
Delta	PriceFrom $555	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights
United Airlines	PriceFrom $558	Free Cancellation	Rating 7.4 8,997 reviews	Search United Airlines flights
American Airlines	PriceFrom $565	Free Cancellation	Rating 7.2 11,038 reviews	Search American 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

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Popular cities in Saint Lucia

Flights to Castriesfrom $462

Cheap flights from Chicago to Saint Lucia from $195

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 4/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Price Alerts

Find the cheapest flights from Chicago to Saint Lucia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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Delta flights from Chicago to Saint Lucia

Our best Delta 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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Use the filters below to find and compare flights from Chicago to Saint Lucia that are best for you.

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?

What is the cheapest day to depart on your flight to Saint Lucia?

What is the cheapest time of day to depart on your flight to Saint Lucia?

Our data shows that the cheapest Chicago to Saint Lucia flights are usually those with departure times in the afternoon. Our users have found flights to Saint Lucia in the afternoon for as low as $613. Flights in the morning are often more expensive with an average ticket price of $862.

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 5% on your flight if you consider stops on a Chicago to Saint Lucia flight.

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?

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

When did momondo last update prices for flights from Chicago to Saint Lucia?

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?

What documentation or ID do you need to fly to Saint Lucia?

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

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Saint Lucia?

Can I find flights from Chicago to Saint Lucia with flexible booking policies on momondo?

How can momondo help me find flights from Chicago to Saint Lucia?

I’m not ready to book a flight from Chicago to Saint Lucia right now. Can momondo alert me if prices change?

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