512 € Cheap Flights from Chicago O'Hare International to Castries

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Flight deals from Chicago O'Hare International to Castries

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International Airport to Castries? If you want to travel next month, return fares start from 530 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago O'Hare International to Castries

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Castries flights are currently cheapest in January.

Direct flights from Chicago O'Hare International to Castries

Alternative Chicago O'Hare International to Castries routes

Looking for the cheapest, fastest or easiest route from Chicago O'Hare International to Castries? You could fly into the following airports instead.

Chicago to Castries: Flight information

The things to know before you go.
Cheapest flight found512 €
Cheapest month to flyJanuary
Average flight time5 hrs, 37 mins
Most popular airlineUnited
Average flights per week4

Finding cheap flights from Chicago O'Hare International to Castries: Frequently asked questions

There are 2 airports in Castries: St Lucia Vigie and St Lucia Hewanorra.
The best price we found for a return flight from Chicago O'Hare International to Castries is 512 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 37 minutes is the average flight time from Chicago O'Hare International to Castries.
United flies direct from Chicago O'Hare International to Castries.
As of June 2026, there is one flight per week flying from Chicago O'Hare International to Castries.
The cheapest month to fly from Chicago O'Hare International to Castries is usually January.
If you're flying from Chicago O'Hare International Airport, the cheapest airport near Castries is St Lucia Hewanorra – which is 30.5 km away from the centre of Castries. We've found flights into this airport from 512 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Castries on Tuesday, 12 January 2027.
Yes – the average flight time is 5 hours and 37 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Castries but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Castries is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 28°C. September is typically the warmest month in Castries, when it usually averages around 28°C. You can expect the least rain in February. The coldest month is February, with temperatures averaging 25°C. The rainiest month is October.
Currently, Air Canada and United offer the cheapest flight tickets to Castries.

Travelling from Chicago O'Hare International Airport (ORD) to Castries: what you need to know

  • Expect to be in the air for 6 hours 20 minutes. That's the average time for a direct flight from Chicago O'Hare International Airport to Castries.

  • Castries is two hours ahead of Chicago, where Chicago O'Hare International Airport is located. Castries runs on the UTC-4 timezone.

  • Leave plenty of time to catch your ORD to Castries flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as July, it's a good idea to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're flying during high season in general.

  • Start your trip at ORD and travel straight to St Lucia Hewnorra International Airport (UVF). That's where you can expect to touch down when searching for Chicago O'Hare International Airport to Castries tickets.

  • Check out the deals with United Airlines. This airline operates direct flights from Chicago O'Hare International Airport to Castries.

  • We make it simple to book plane tickets from ORD to Castries with a stopover. To see the options, uncheck 'Direct flights only.' Then, select a flight offering a stop long enough to explore the city of your choice. Well-traveled stopover hubs include:

    • Atlanta Hartsfield-Jackson International Airport (ATL)

    • Charlotte Douglas International Airport (CLT)

    • Miami International Airport (MIA)

  • ORD is around 26 kilometres from central Chicago. If you're ride-sharing, driving or catching a taxi from the centre, it'll take you 30 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the travel time to be around 45 minutes.

  • Booked an early flight from Chicago O'Hare International Airport to Castries? Avoid the hassle of rushing to the airport (and get some extra shut-eye) by choosing one of these hotels near ORD:

  • When it comes to the on-time performance of Chicago O'Hare International Airport, data shows 70% of flights meet their scheduled arrival time.

  • You'll find ORD at 10000 West O'Hare.

How to find the cheapest flights from Chicago O'Hare International Airport (ORD) to Castries

  • The lowest price we've seen for a one-way Chicago O'Hare International Airport to Castries flight is 201 €. The cheapest price for a return flight is 512 €. Keep in mind fares may change due to availability at the time of booking.

  • To find cheap flights from ORD to Castries, book as early as you can. Airlines typically offer lower fares when flights first go on sale.

  • Landing cheap tickets from Chicago O'Hare International Airport to Castries is easier if you're flexible with your trip dates. Use the 'Whole month' search tool to get the best prices across the month and pick up an incredible deal.

  • You don't need to check in daily to find out if fares have dropped when you set up a Price Alert. We'll notify you the moment there's an even bigger deal on cheap flights from ORD to Castries.

  • Tailor your flights with filters. Select your preferred departure and arrival times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Chicago O'Hare International Airport to Castries.

Airports in Castries

St Lucia Hewnorra International Airport (UVF)

  • The distance from St Lucia Hewnorra International Airport (UVF) to central Castries is roughly 72 kilometres. It takes around 1 hour 30 minutes to reach the centre driving.

  • Travelling to the centre by public transport takes about 2 hours.

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Chicago O'Hare International Airport to Castries. Reserve one of these accommodation options near UVF instead:

  • Lock in the best possible rate by booking your vehicle from St Lucia Hewnorra International Airport about one week before your flight from ORD to Castries.

Castries George F. L. Charles Airport (SLU)

  • After your flight from Chicago O'Hare International Airport to Castries has arrived, you can reach the city centre in around 10 minutes by car. Central Castries is roughly 3 kilometres from Castries George F. L. Charles Airport (SLU).

  • If you choose to travel on public transport, you'll get to the city centre in 15 minutes or so.

  • Following your ORD to Castries flight, settle in at a hotel near SLU. These are some great options that'll help you sink into relaxation mode:

  • Get exactly what you want. Securing your ride from SLU one week in advance often means better deals and a wider choice of vehicles.

Best time to go to Castries

  • September is the quietest month for flights from Chicago O'Hare International Airport to Castries, while February is the most popular. Find the ideal time to go to Castries based on whether you want a bustling atmosphere or a more laid-back vibe.

  • When booking your Chicago O'Hare International Airport to Castries plane ticket, think about the kind of weather forecast you're hoping for. September is the warmest month in Castries, with temperatures ranging from 26ºC (79ºF) to 30ºC (86ºF).

  • February sees average temperatures of between 24ºC (75ºF) and 28ºC (82ºF). Search for a cheap ticket from ORD to Castries around that time if you'd rather travel in cooler conditions.

More about Castries

  • When it comes to searching for somewhere to rest your head, you'll find the most popular stays in Castries right here. Explore these hotels after locking in your flight from Chicago O'Hare International Airport to Castries:

  • There are so many things to explore in this city it can be tricky to know where to start. Malabar Beach, Vigie Beach and Morne Fortune are popular attractions which should be on any well-planned Castries itinerary.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.