How does KAYAK find such low prices on flights from Illinois to Castries?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Castries. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Castries?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Castries from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Castries?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Castries with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Castries?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Castries from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

Cheap Flights from Illinois to Castries from $253

UVF

Search hundreds of travel sites at once for deals on flights to Castries

...and more

In the last 7 days travelers have searched 42,369,914 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Low season	September
High season	July
Cheapest flight	$253

Best time to beat the crowds with an average 4% drop in price.

Most popular time to fly with an average 7% increase in price.

Flight from Chicago O'Hare Airport to Castries

How does KAYAK find such low prices on flights from Illinois to Castries?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Castries.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Castries?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Castries from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Castries?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Castries with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Castries?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Castries from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Nonstop departures

Illinois to Castries Hewanorra

Monday

American Airlines, British Airways, Delta, +3 more

American Airlines, British Airways, +4 more

Tuesday

American Airlines, British Airways, Delta, +3 more

American Airlines, British Airways, +4 more

Wednesday

Air Canada, American Airlines, British Airways, +4 more

Air Canada, American Airlines, +5 more

Thursday

American Airlines, British Airways, Delta, +4 more

American Airlines, British Airways, +5 more

Friday

American Airlines, British Airways, Delta, +3 more

American Airlines, British Airways, +4 more

Saturday

American Airlines, British Airways, Delta, +4 more

American Airlines, British Airways, +5 more

Sunday

Air Canada, American Airlines, British Airways, +5 more

Air Canada, American Airlines, +6 more

See more direct flights

Nonstop returns

Castries Hewanorra to Illinois

Monday

American Airlines, British Airways, Delta, +3 more

American Airlines, British Airways, +4 more

Tuesday

American Airlines, British Airways, Delta, +3 more

American Airlines, British Airways, +4 more

Wednesday

Air Canada, American Airlines, British Airways, +4 more

Air Canada, American Airlines, +5 more

Thursday

American Airlines, British Airways, Delta, +4 more

American Airlines, British Airways, +5 more

Friday

American Airlines, British Airways, Delta, +3 more

American Airlines, British Airways, +4 more

Saturday

American Airlines, British Airways, Delta, +4 more

American Airlines, British Airways, +5 more

Sunday

Air Canada, American Airlines, British Airways, +5 more

Air Canada, American Airlines, +6 more

See more direct flights

Book cheap flights from Illinois to Castries

Recent round-trip flight deals

7/27Sat

1 stopAmerican Airlines

17h 10mORD-UVF

8/1Thu

1 stopAmerican Airlines

18h 22mUVF-ORD

$465

7/17Wed

1 stopAmerican Airlines

8h 04mORD-UVF

7/24Wed

1 stopAmerican Airlines

9h 24mUVF-ORD

$466

8/13Tue

1 stopDelta

7h 20mMDW-UVF

8/15Thu

1 stopDelta

18h 32mUVF-MDW

$468

7/27Sat

2 stopsAmerican Airlines

15h 13mORD-UVF

8/1Thu

1 stopAmerican Airlines

18h 22mUVF-ORD

$469

8/13Tue

1 stopDelta

7h 20mMDW-UVF

8/15Thu

2 stopsDelta

18h 04mUVF-MDW

$472

6/4Tue

2 stopsAir Canada

21h 50mORD-UVF

6/9Sun

1 stopAir Canada

19h 24mUVF-ORD

$549

6/4Tue

1 stopAir Canada

23h 15mORD-UVF

6/9Sun

1 stopAir Canada

30h 14mUVF-ORD

$555

6/14Fri

3 stops

40h 20mORD-UVF

6/19Wed

2 stops

41h 30mUVF-ORD

$642

7/19Fri

2 stops

42h 56mORD-UVF

7/28Sun

3 stops

31h 21mUVF-ORD

$715

6/15Sat

1 stopJetBlue

10h 56mORD-UVF

6/22Sat

1 stopJetBlue

11h 19mUVF-ORD

$827

Recent one-way flight deals

6/21Fri

2 stopsAir Canada

47h 35mORD-UVF

$253

6/21Fri

1 stopAmerican Airlines

8h 00mORD-UVF

$306

6/21Fri

3 stops

44h 28mORD-UVF

$322

6/21Fri

3 stops

41h 19mORD-UVF

$329

6/21Fri

2 stopsAmerican Airlines

29h 23mORD-UVF

$647

6/21Fri

1 stopDelta

7h 45mMDW-UVF

$746

6/21Fri

1 stopAmerican Airlines

17h 24mORD-UVF

$1,050

6/21Fri

1 stopDelta

7h 45mMDW-UVF

$1,326

6/21Fri

2 stopsWestJet

45h 03mMDW-UVF

$1,513

6/21Fri

3 stops

34h 29mORD-UVF

$3,806

Last minute flights from Illinois to Castries

Last minute flight, train and bus deals

5/14Tue

multi-stopAmerican Airlines

7h 15mORD-UVF

5/19Sun

multi-stopAmerican Airlines

9h 14mUVF-ORD

$905

5/14Tue

multi-stopAmerican Airlines

17h 23mORD-UVF

5/19Sun

multi-stopAmerican Airlines

9h 14mUVF-ORD

$909

5/16Thu

multi-stopAmerican Airlines

20h 48mMLI-UVF

5/19Sun

multi-stopAmerican Airlines

30h 26mUVF-MLI

$981

5/16Thu

multi-stopAmerican Airlines

20h 48mMLI-UVF

5/19Sun

multi-stopAmerican Airlines

24h 57mUVF-MLI

$993

5/14Tue

multi-stopAir Canada

21h 30mORD-UVF

5/19Sun

multi-stopAir Canada

19h 24mUVF-ORD

$1,013

5/16Thu

multi-stopAmerican Airlines

20h 35mPIA-UVF

5/19Sun

multi-stopAmerican Airlines

25h 09mUVF-PIA

$1,030

5/14Tue

multi-stopAmerican Airlines

21h 31mORD-UVF

5/19Sun

multi-stopAmerican Airlines

26h 41mUVF-ORD

$1,031

5/16Thu

multi-stopAmerican Airlines

20h 35mPIA-UVF

5/19Sun

multi-stopAmerican Airlines

23h 36mUVF-PIA

$1,036

5/14Tue

multi-stopAmerican Airlines

17h 23mORD-UVF

5/19Sun

multi-stopAmerican Airlines

16h 40mUVF-ORD

$1,054

5/16Thu

multi-stopAmerican Airlines

30h 25mPIA-UVF

5/19Sun

multi-stopAmerican Airlines

25h 09mUVF-PIA

$1,078

Flights to Castries

Destination:

Castries (UVF)Saint Lucia

Cabin classes:

$2,064

$3,562

$665

Browse origins:

Flights from Chicago O'Hare Intl Airport to Castries

$466

Flights from Chicago to Castries

$957

Flights from Moline to Castries

$493

Flights from St. Louis to Castries

Browse destinations:

$466

Flights to Castries, Castries

UVF

Find cheap flights from Illinois to Castries from $253

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Castries departing on 6/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

Search hundreds of travel sites at once for deals on flights to Castries

Good to know

Low season

High season

Cheapest flight

FAQs for booking flights from Illinois to Castries

How does KAYAK find such low prices on flights from Illinois to Castries?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Castries?

What is the Hacker Fare option on flights from Illinois to Castries?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Castries?

Prefer to fly non-stop from Illinois to Castries?

Illinois to Castries Hewanorra

Castries Hewanorra to Illinois

Book cheap flights from Illinois to Castries

Recent round-trip flight deals

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Recent one-way flight deals

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Last minute flights from Illinois to Castries

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Flights to Castries

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