Cheap Flights from Chicago O'Hare International to Castries

Compare Chicago O'Hare International to Castries flight deals

Find the cheapest month or even day of the year to fly 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 to Castries? 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 December.

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 foundج.م.‏ 10,646
Cheapest month to flyDecember
Average flight time5 hrs, 39 mins
Most popular airlineUnited
Average flights per week1

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 ج.م.‏ 24,665. 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 39 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 December 2025, 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 ج.م.‏ 24,665.
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 Monday, 26 January 2026.
Yes – the average flight time is 5 hours and 39 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 December, the average temperature is usually around 27°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, Delta offers the cheapest flight tickets to Castries.

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

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

  • To avoid missing your ORD to Castries flight, leave enough time to navigate the airport and find your gate. Turning up two hours before international departures and an hour before domestic flights is the general travel rule.

  • Taking off during a peak time like a bank holiday? Expect longer lines at security and check-in. For peace of mind, arrive up to four hours before international flights and two hours before domestic departures.

  • Direct O'Hare International Airport to Castries tickets are available for booking. Hewanorra Airport (UVF) is where you'll disembark.

  • United Airlines is a well-known airline that offers direct flights from O'Hare International Airport to Castries.

  • Stopovers are the perfect opportunity to take a break from travelling and perhaps even tick off a new city. When searching for flight tickets from ORD to Castries, uncheck the 'Direct flights only' box to see where you can visit along the way. Popular options include:

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Charlotte Douglas International Airport (CLT)

    • Miami International Airport (MIA)

  • Located around 26 kilometres from central Chicago, ORD can be reached in about 35 minutes by car (depending on traffic). Travelling on public transport will take roughly 55 minutes.

  • Want a hassle-free start to your trip? Stay near ORD. Whether you're boarding an early flight from O'Hare International Airport to Castries or don't want departure day to feel hectic, these hotels have you covered:

  • When it comes to O'Hare International Airport's on-time performance, data shows 74.85% of flights stick to their scheduled arrival time.

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

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

  • ج.م.‏ 10,646 is the cheapest price we've seen for a one-way O'Hare International Airport to Castries flight. A round-trip ticket right now is ج.م.‏ 24,665. Depending on when and how early you book, these fares can change.

  • Book one month before your departure date. Research on pricing trends suggests this is the ideal window for finding cheap flights from ORD to Castries.

  • Schedule your trip for May. That's the best month for scoring a bargain on O'Hare International Airport to Castries tickets. If you're flexible on when you fly, use the 'Whole month' tool to find the cheapest price across every month.

  • Locking in a cheap flight from ORD to Castries is easy with Price Alerts. All you need to do is create one of these automatic notifications and we'll get in touch as soon as a new discount appears.

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

Airports in Castries

George F. L. Charles Airport (SLU)

  • The distance from George F. L. Charles Airport (SLU) to central Castries is roughly 3 kilometres. It'll take you around 5 minutes to get to the centre driving.

  • Getting there by public transport takes about 40 minutes.

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

  • Go where the road takes you with a George F. L. Charles Airport rental car. Pick up your wheels from Drive A Matic, Final Rentals or Sixt and experience more of Castries and beyond.

  • To secure the lowest price, book your ride from George F. L. Charles Airport about one week ahead of your flight from ORD to Castries.

Hewanorra Airport (UVF)

  • Hewanorra Airport (UVF) is roughly 56 kilometres from central Castries. Following your flight from O'Hare International Airport to Castries, it'll take you around 1 hour 10 minutes to reach the heart of the city in a ride-share or cab.

  • Hang up the 'Do not disturb' sign and relax at a hotel close to UVF. Here are a few options where you can take a load off after your ORD to Castries flight:

  • The fastest way to get to where you're going is with a Hewanorra Airport rental car. Grab a set of wheels from Drive A Matic, Sixt or Final Rentals and get going in the blink of an eye.

  • Get the lowest price by securing your ride from UVF one week ahead of time. You can also expect to have a greater range of vehicles.

Best time to go to Castries

  • Travel to Castries in peak season if you prefer a busy atmosphere, but remember that prices are generally higher. Alternatively, book your flights from O'Hare International Airport to Castries during low season when prices are cheaper and it's quieter.

  • The warmest month in Castries is September, with temperatures ranging between 26ºC and 30ºC. Book your O'Hare International Airport to Castries flight ticket then if that's your ideal forecast.

  • For cooler conditions, search for a cheap ticket from ORD to Castries in February when temperatures average between 24ºC and 28ºC.

More about Castries

  • After booking your flight from O'Hare International Airport to Castries, choose a hotel that combines comfort with a great location. Make one of these options your base for exploring Castries:

  • Morne Fortune and Derek Walcott Square are just a couple of the major attractions to add to your Castries to-do list. Keep the momentum going by heading to Immaculate Conception Church.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.