App
Customer Support
EUR
Search Bookings
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Flights from Castries to Ontario Starting at €407

Whether you’re going for a one-way or round-trip to Ontario, we’ve got you covered! Check out these different flight options from Castries below.

  • One way
  • Round-trip
      • UVF15:40
        30h 25m
        1 stop
        ONT19:05
        Wed, Aug 14|Castries - Ontario|Delta Air Lines
        €407€1,463
        72% OFF
        72% OFF
        €1,463€407
      • UVF15:40
        30h 25m
        1 stop
        ONT19:05
        Thu, Aug 15|Castries - Ontario|Delta Air Lines
        €407€1,463
        72% OFF
        72% OFF
        €1,463€407
      • UVF23:31
        24h 40m
        1 stop
        ONT21:11
        Wed, Jul 3|Castries - Ontario|Jetblue Airways
        €425€1,463
        71% OFF
        71% OFF
        €1,463€425
      • UVF23:39
        25h 59m
        1 stop
        ONT22:38
        Wed, Jul 10|Castries - Ontario|Jetblue Airways
        €429
        €429
      • UVF15:39
        31h 42m
        1 stop
        ONT20:21
        Wed, Aug 14|Castries - Ontario|American Airlines
        €440
        €440
      • UVF15:39
        31h 42m
        1 stop
        ONT20:21
        Thu, Aug 15|Castries - Ontario|American Airlines
        €440
        €440
      • UVF23:31
        26h 7m
        1 stop
        ONT22:38
        Thu, Jul 4|Castries - Ontario|Jetblue Airways
        €475
        €475
      • UVF23:39
        25h 59m
        1 stop
        ONT22:38
        Sun, Jul 14|Castries - Ontario|Jetblue Airways
        €493
        €493
      • UVF23:39
        25h 59m
        1 stop
        ONT22:38
        Mon, Jul 8|Castries - Ontario|Jetblue Airways
        €504
        €504
      • UVF23:39
        25h 59m
        1 stop
        ONT22:38
        Sun, Jul 7|Castries - Ontario|Jetblue Airways
        €892
        €892
      • SLU13:00
        3h 5m
        Direct
        ONT14:00
        Wed, Jul 10|Castries - Ontario|Delta Air Lines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Castries to Ontario

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Ontario from Castries have changed and are set to move below.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Castries to Ontario

Compare prices from various providers below to understand which option best suits your travel needs, before enjoying a comfortable journey with a trusted airline from Castries to Ontario.

WestJet
From €356
Air Canada
From €400
Delta Air Lines
From €407
Jetblue Airways
From €425
American Airlines
From €440
ANA airlines

Find more flights and airlines

Alternative Routes from Castries to Ontario

Searching for potential routes that might be cheaper and faster? There are a few alternative ways to get to Ontario from Castries which could help you save money and time.

  • Cheapest
    WestJet
    UVF
    14:35
    29h 53m
    2 transfer
    ONT
    17:28
    Hewanorra International Airport - Ontario International Airport
    Thu, Jul 11WestJet
    €356
  • WestJet
    UVF
    14:35
    29h 53m
    2 transfer
    ONT
    17:28
    Hewanorra International Airport - Ontario International Airport
    Thu, Jul 11WestJet
    €356
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from Castries (SLU) to Ontario (ONT) the cheapest?

    Airlines adjust prices for flights from Castries to Ontario based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Castries (SLU) to Ontario (ONT) cost?

    According to Trip.com's data, the lowest price is around €494.

How to find a cheap flight from Castries to Ontario

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Castries to Ontario

Cheapest nonstop flight price

€407

Flight distance

6,887.57km

Popular airline

American Airlines

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2024 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.