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

Air Canada, JetBlue, and Delta 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 64% 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.

How many flights depart from Chicago to Saint Lucia on average per week?

1 flights are operational weekly from Chicago to Saint Lucia as of June 2026. The most popular departure day for this route is Sat, with 100% of flights per week taking off on this day.

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 June 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.

$147 Cheap Flights from Chicago to Saint Lucia in 2026

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

8:40 pm - 2:10 pm

ORD

UVF

16h 30m

1 stop

3:05 pm - 9:00 am

UVF

ORD

18h 55m

1 stop

$388Air Canada

Mon, Jul 6 - Fri, Jul 10

8:40 pm - 2:10 pm

ORD

UVF

16h 30m

1 stop

3:05 pm - 10:16 am

UVF

ORD

20h 11m

2 stops

$392Air Canada

Mon, Jul 6 - Fri, Jul 10

6:22 pm - 2:10 pm

ORD

UVF

18h 48m

2 stops

3:05 pm - 10:16 am

UVF

ORD

20h 11m

2 stops

$412Air Canada

Thu, Jul 9 - Tue, Jul 14

8:50 am - 2:10 pm

ORD

UVF

28h 20m

1 stop

3:05 pm - 9:45 am

UVF

ORD

19h 40m

1 stop

$430Air Canada

Thu, Jul 9 - Tue, Jul 14

7:10 am - 2:10 pm

ORD

UVF

30h 00m

2 stops

3:05 pm - 7:45 am

UVF

ORD

17h 40m

2 stops

$434Air Canada

Mon, Jul 6 - Fri, Jul 10

6:05 am - 2:08 pm

MDW

UVF

7h 03m

1 stop

3:41 pm - 8:45 am

UVF

MDW

18h 04m

2 stops

$693Delta

Wed, Sep 16 - Thu, Oct 8

9:30 am - 2:08 pm

MDW

UVF

27h 38m

2 stops

3:41 pm - 8:45 am

UVF

MDW

18h 04m

2 stops

$698Delta

Thu, Sep 17 - Thu, Oct 8

6:05 am - 2:08 pm

MDW

UVF

7h 03m

1 stop

3:41 pm - 6:37 pm

UVF

MDW

27h 56m

2 stops

$738Delta

Tue, Sep 15 - Fri, Oct 9

9:30 am - 2:08 pm

MDW

UVF

27h 38m

2 stops

3:33 pm - 6:37 pm

UVF

MDW

28h 04m

2 stops

$743Delta

Thu, Sep 17 - Mon, Oct 5

6:30 pm - 7:00 pm

ORD

SLU

22h 30m

2 stops

12:35 pm - 10:58 am

SLU

ORD

24h 23m

2 stops

$857Multiple Airlines

Sat, Dec 5 - Tue, Dec 15

JetBlue flights from Chicago to Saint Lucia

Our best JetBlue deals on Chicago to Saint Lucia flight tickets

JetBlue

Aug 19

ORD6:27 pmChicago O'Hare Intl

17h 26m

1 stop

UVF12:53 pmCastries Hewanorra

Aug 26

UVF4:11 pmCastries Hewanorra

17h 37m

1 stop

ORD8:48 amChicago O'Hare Intl

$593

JetBlue

Jul 8

ORD6:00 amChicago O'Hare Intl

8h 27m

1 stop

UVF3:27 pmCastries Hewanorra

Jul 13

UVF4:40 pmCastries Hewanorra

17h 10m

1 stop

ORD8:50 amChicago O'Hare Intl

$603

JetBlue

Jun 30

ORD6:00 amChicago O'Hare Intl

8h 22m

1 stop

UVF3:22 pmCastries Hewanorra

Jul 4

UVF2:15 pmCastries Hewanorra

19h 30m

1 stop

ORD8:45 amChicago O'Hare Intl

$612

American Airlines flights from Chicago to Saint Lucia

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

American Airlines

Jun 18

ORD8:52 pmChicago O'Hare Intl

16h 24m

1 stop

UVF2:16 pmCastries Hewanorra

Jun 21

UVF3:16 pmCastries Hewanorra

9h 42m

1 stop

ORD11:58 pmChicago O'Hare Intl

$873

American Airlines

Jun 18

ORD5:00 amChicago O'Hare Intl

7h 46m

1 stop

UVF1:46 pmCastries Hewanorra

Jun 21

UVF3:16 pmCastries Hewanorra

16h 41m

2 stops

ORD6:57 amChicago O'Hare Intl

$878

American Airlines

Jun 17

ORD8:52 pmChicago O'Hare Intl

14h 12m

2 stops

UVF12:04 pmCastries Hewanorra

Jun 21

UVF3:16 pmCastries Hewanorra

16h 41m

2 stops

ORD6:57 amChicago O'Hare Intl

$883

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 7/6

8:40 pm-2:10 pm

1 stop16h 30m

Castries Hewanorra

Fri 7/10

3:05 pm-9:00 am

1 stop18h 55m

$388

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 7/6

8:40 pm-2:10 pm

1 stop16h 30m

Castries Hewanorra

Fri 7/10

3:05 pm-10:16 am

2 stops20h 11m

$392

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Thu 7/9

6:22 pm-2:10 pm

2 stops18h 48m

Castries Hewanorra

Tue 7/14

3:05 pm-10:16 am

2 stops20h 11m

$412

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Thu 7/9

8:50 am-2:10 pm

1 stop28h 20m

Castries Hewanorra

Tue 7/14

3:05 pm-9:45 am

1 stop19h 40m

$430

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 7/6

7:10 am-2:10 pm

2 stops30h 00m

Castries Hewanorra

Fri 7/10

3:05 pm-7:45 am

2 stops17h 40m

$434

Quickest round-trip

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Wed 9/16

6:05 am-2:08 pm

1 stop7h 03m

Castries Hewanorra

Thu 10/8

3:41 pm-8:45 am

2 stops18h 04m

$693

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Thu 9/17

9:30 am-2:08 pm

2 stops27h 38m

Castries Hewanorra

Thu 10/8

3:41 pm-8:45 am

2 stops18h 04m

$698

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Tue 9/15

6:05 am-2:08 pm

1 stop7h 03m

Castries Hewanorra

Fri 10/9

3:41 pm-6:37 pm

2 stops27h 56m

$738

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Thu 9/17

9:30 am-2:08 pm

2 stops27h 38m

Castries Hewanorra

Mon 10/5

3:33 pm-6:37 pm

2 stops28h 04m

$743

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

Sat 12/5

6:30 pm-7:00 pm

2 stops22h 30m

Castries George F. L. Charle

Tue 12/15

12:35 pm-10:58 am

2 stops24h 23m

$857

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

Other information

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 May is also cheap. Prices for this month can be found on momondo for an average of $382.

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?

No. A direct flight is the cheapest option for a flight between Chicago 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	$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 June 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 11,640 reviews	Search American Airlines flights
Delta	PriceFrom $565	Free Cancellation	Rating 7.9 8,396 reviews	Search Delta flights
United Airlines	PriceFrom $621	Free Cancellation	Rating 7.4 9,781 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

Wed 7/8

Wed 7/15

Email me momondo's favorite deals

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

Other flights from Chicago

Other flights to Saint Lucia

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Saint Lucia

Flights to Castriesfrom $533

Cheap flights from Chicago to Saint Lucia from $147

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 6/21. 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

Price Alerts

Price Alerts

Find the cheapest flights from Chicago to Saint Lucia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

JetBlue flights from Chicago to Saint Lucia

Our best JetBlue 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

momondo Fare Finder

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

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?

How many flights depart from Chicago to Saint Lucia on average per week?

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

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

Explore popular destinations other users love

According to popular flight searches on momondo this year