HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Castries

$359+ Cheap flights from O'Hare Intl (ORD) to Castries (SLU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SLU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Castries with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from O'Hare Intl to Castries

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Castries (SLU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$769
(Mytrip)

One-way from

$359
(Kiwi.com)

Popular in

July

Cheapest in

August

Average price

$922

Good round-trip deal

$851 or less

Good one-way deal

$479 or less
From Chicago O'Hare Intl to Castries George F. L. Charle
Search Deals
One-way flight from Chicago O'Hare Intl to Castries George F. L. Charle
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Castries George F. L. Charle.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Castries George F. L. Charle.
Search Deals

Find flight deals from O'Hare Intl to Castries

Cheapest flights from O'Hare Intl to Castries
Explore the most affordable flight options available from O'Hare Intl to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:05 amORD - SLU
2 stops28h 25mMultiple Airlines
Mon 11/174:35 pmSLU - ORD
2 stops32h 35mMultiple Airlines
Deal found 6/12$769

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Castries that are best for you.

Fly from

O'Hare Intl

Fly to

Castries

Route

Depart

Return

Price

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

Thu 11/13

5:05 am-11:30 am

2 stops28h 25m

Castries George F. L. Charle

Mon 11/17

4:35 pm-11:10 pm

2 stops32h 35m

$769

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

Fri 6/20

9:28 pm-10:10 pm

3 stops23h 42m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Best time to book a flight from O'Hare Intl to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Castries

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Castries?

Currently, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Castries (average of $525). Flying from Chicago O'Hare Intl Airport to Castries in July is currently the most expensive (average of $767). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Castries. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Castries from Chicago O'Hare Intl?

    Castries George F. L. Charle (SLU) is the airport you will fly into if you book a flight from Chicago O'Hare Intl to Castries. You should not have trouble finding flights to George F. L. Charle from Chicago O'Hare Intl; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Castries airport from Chicago O'Hare Intl. It is only a 0.7 mi journey from George F. L. Charle (SLU) to Castries’s city center.

  • Can I find deals for flights from O'Hare Intl to Castries that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Castries?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Castries.

  • Can I find deals for business class flights from O'Hare Intl to Castries?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Castries by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Castries?

    Currently, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Castries (average of $525). Flying from Chicago O'Hare Intl Airport to Castries in July is currently the most expensive (average of $767). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Gros Islet
Marigot Bay

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for O'Hare Intl to Castries

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Castries flights
Midway to Castries flights

Top airline flying from O'Hare Intl to Castries

Discover the top airline that operate flights from O'Hare Intl to Castries. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$595Average$876FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.