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Cheap flights from Illinois to Castries from $164

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Castries departing on 6/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:40 pm - 2:20 pm
ORD
-
UVF
16h 40m
1 stop
Air Canada Logo
3:05 pm - 9:00 am
UVF
-
ORD
18h 55m
1 stop
$422Air Canada
Thu, Jun 18 - Tue, Jun 23
Air Canada Logo
6:22 pm - 2:20 pm
ORD
-
UVF
18h 58m
2 stops
Air Canada Logo
3:05 pm - 9:00 am
UVF
-
ORD
18h 55m
1 stop
$427Air Canada
Thu, Jun 18 - Tue, Jun 23
Air Canada Logo
10:41 am - 2:10 pm
ORD
-
UVF
26h 29m
2 stops
Air Canada Logo
3:05 pm - 6:47 pm
UVF
-
ORD
28h 42m
2 stops
$432Air Canada
Mon, Jun 15 - Fri, Jun 19
Multiple Airlines Logo
10:25 am - 1:40 pm
MDW
-
UVF
26h 15m
1 stop
Multiple Airlines Logo
2:30 pm - 9:40 am
UVF
-
MDW
20h 10m
1 stop
$708Multiple Airlines
Sat, Jun 6 - Thu, Jun 11
Multiple Airlines Logo
9:54 am - 1:40 pm
MDW
-
UVF
26h 46m
2 stops
Multiple Airlines Logo
3:05 pm - 9:40 am
UVF
-
MDW
19h 35m
1 stop
$760Multiple Airlines
Sat, Jun 13 - Fri, Jun 19
Delta Logo
6:00 am - 2:26 pm
MDW
-
UVF
7h 26m
1 stop
Delta Logo
3:41 pm - 8:45 am
UVF
-
MDW
18h 04m
2 stops
$842Delta
Wed, Oct 7 - Wed, Oct 14
American Airlines Logo
4:28 pm - 3:30 pm
MLI
-
UVF
22h 02m
2 stops
American Airlines Logo
4:20 pm - 10:44 am
UVF
-
MLI
19h 24m
2 stops
$842American Airlines
Sun, Oct 4 - Sun, Oct 11
Delta Logo
6:00 am - 2:21 pm
MDW
-
UVF
7h 21m
1 stop
Delta Logo
3:41 pm - 8:45 am
UVF
-
MDW
18h 04m
2 stops
$927Delta
Sat, Oct 10 - Thu, Oct 15
American Airlines Logo
4:24 pm - 1:25 pm
MLI
-
UVF
20h 01m
1 stop
American Airlines Logo
4:20 pm - 11:25 am
UVF
-
MLI
20h 05m
2 stops
$969American Airlines
Sun, Oct 4 - Sun, Oct 11
WestJet Logo
6:36 pm - 1:40 pm
MDW
-
UVF
18h 04m
2 stops
WestJet Logo
2:30 pm - 9:14 am
UVF
-
MDW
19h 44m
2 stops
$986WestJet
Sat, Jun 6 - Thu, Jun 11

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American Airlines flights from Illinois to Castries

Our best American Airlines deals on Illinois to Castries flight tickets
American Airlines
Aug 19
ORD5:01 amChicago O'Hare Intl
8h 03m
1 stop
UVF2:04 pmCastries Hewanorra
Aug 26
UVF3:04 pmCastries Hewanorra
10h 27m
1 stop
ORD12:31 amChicago O'Hare Intl
$693
American Airlines
Jul 5
ORD5:00 amChicago O'Hare Intl
8h 00m
1 stop
UVF2:00 pmCastries Hewanorra
Jul 9
UVF3:14 pmCastries Hewanorra
9h 45m
1 stop
ORD11:59 pmChicago O'Hare Intl
$696
American Airlines
Aug 19
ORD5:01 amChicago O'Hare Intl
8h 03m
1 stop
UVF2:04 pmCastries Hewanorra
Aug 26
UVF3:04 pmCastries Hewanorra
17h 40m
2 stops
ORD7:44 amChicago O'Hare Intl
$698

Delta flights from Illinois to Castries

Our best Delta deals on Illinois to Castries flight tickets
Delta
Oct 6
STL6:00 amLambert-St Louis
7h 26m
1 stop
UVF2:26 pmCastries Hewanorra
Oct 9
UVF3:41 pmCastries Hewanorra
17h 31m
1 stop
STL8:12 amLambert-St Louis
$752
Delta
Oct 7
STL6:00 amLambert-St Louis
7h 26m
1 stop
UVF2:26 pmCastries Hewanorra
Oct 9
UVF3:41 pmCastries Hewanorra
17h 31m
1 stop
STL8:12 amLambert-St Louis
$820
Delta
Oct 7
MDW6:00 amChicago Midway
7h 26m
1 stop
UVF2:26 pmCastries Hewanorra
Oct 14
UVF3:41 pmCastries Hewanorra
18h 04m
2 stops
MDW8:45 amChicago Midway
$842

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Castries that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 19, 2026.
Use the filters below to find and compare flights from Illinois to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Thu 6/18

8:40 pm-2:20 pm

1 stop16h 40m

Castries Hewanorra

Tue 6/23

3:05 pm-9:00 am

1 stop18h 55m

$422

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

3:05 pm-9:00 am

1 stop18h 55m

$427

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 6/15

10:41 am-2:10 pm

2 stops26h 29m

Castries Hewanorra

Fri 6/19

3:05 pm-6:47 pm

2 stops28h 42m

$432

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Sat 6/6

10:25 am-1:40 pm

1 stop26h 15m

Castries Hewanorra

Thu 6/11

2:30 pm-9:40 am

1 stop20h 10m

$708

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Sat 6/13

9:54 am-1:40 pm

2 stops26h 46m

Castries Hewanorra

Fri 6/19

3:05 pm-9:40 am

1 stop19h 35m

$760

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Wed 10/7

6:00 am-2:26 pm

1 stop7h 26m

Castries Hewanorra

Wed 10/14

3:41 pm-8:45 am

2 stops18h 04m

$842

MolineCastries

MLI - UVF

MLIUVF

Moline Quad-City

Sun 10/4

4:28 pm-3:30 pm

2 stops22h 02m

Castries Hewanorra

Sun 10/11

4:20 pm-10:44 am

2 stops19h 24m

$842
Quickest round-trip

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Sat 10/10

6:00 am-2:21 pm

1 stop7h 21m

Castries Hewanorra

Thu 10/15

3:41 pm-8:45 am

2 stops18h 04m

$927

MolineCastries

MLI - UVF

MLIUVF

Moline Quad-City

Sun 10/4

4:24 pm-1:25 pm

1 stop20h 01m

Castries Hewanorra

Sun 10/11

4:20 pm-11:25 am

2 stops20h 05m

$969

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Sat 6/6

6:36 pm-1:40 pm

2 stops18h 04m

Castries Hewanorra

Thu 6/11

2:30 pm-9:14 am

2 stops19h 44m

$986

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Castries from

How to get the cheapest flight ticket from Illinois to Castries

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 Castries?

The month of August is, on average, the cheapest month to fly to Castries from Illinois, with most prices found around $605. The month of January is another great option to travel to Castries, with average flight prices from Illinois averaging around $621.

What is the cheapest Illinois to Castries Hewanorra flight route?

Fly from Chicago O'Hare Intl to Castries Hewanorra for the best Illinois - Castries Hewanorra flight prices

How far in advance should I book a flight to Castries?

You are more likely to see cheaper flights to Castries from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Castries for around $849 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Castries from Illinois for as low as $704 on momondo.

What cabin class options are available on Illinois to Castries Hewanorra flights?

There is only 1 cabin class available to choose from on Illinois to Castries Hewanorra 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 Illinois to Castries flights?

You could potentially save up to 54% on your flight if you consider stops on a Illinois to Castries flight.

Cheap Illinois to Castries flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Castries

Best Price Found

$888

Fastest flight time

5h 45m

Direct flights

Sun

Airports in Castries

1 airport
The best flight deal from Illinois to Castries found on momondo in the last 72 hours is $888
The fastest flight from Illinois to Castries takes 5h 45m
Direct flights go from Illinois to Castries on Sunday. There are no airlines offering direct flights.
There is 1 airport in Castries. From Illinois there are direct flights to Castries Hewanorra (UVF).
Search flight deals

Frequently asked questions about flying from Illinois to Castries

  • When did momondo last update prices for flights from Illinois to Castries Hewanorra Airport?

    Prices for flights from Illinois to Castries Hewanorra Airport refresh daily.

  • How many operators does momondo search for flights from Illinois to Castries Hewanorra Airport?

  • How old do you have to be to fly from Illinois to Castries Hewanorra Airport?

    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 Illinois to Castries Hewanorra Airport.

  • What documentation or ID do you need to fly to Castries Hewanorra Airport?

    The travel and health documents required for your trip to Castries Hewanorra Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Castries Hewanorra Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Illinois to Castries?

Best airlines flying from Illinois to Castries

Compare and see reviews for airlines that fly from Illinois to Castries with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $443Free CancellationRating
7.1
11,620 reviews
Search American Airlines flights
DeltaPriceFrom $565Free CancellationRating
7.9
8,422 reviews
Search Delta flights
United AirlinesPriceFrom $600Free CancellationRating
7.4
9,604 reviews
Search United Airlines flights

Traveling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Vieux Fort

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Castries?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Castries. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Illinois to Castries with flexible booking policies on momondo?

Flights from Illinois to Castries with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Illinois to Castries?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Castries.

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

Yes. momondo can track prices for Illinois to Castries 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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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport