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Flights from Ontario to Oulu
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Find cheap one-way flights from Ontario to Oulu starting at US$1,160.

Discover our range of affordable one-way and round-trip flights from Ontario to Oulu and kick-start your next adventure today!

  • Round-trip
      • ONT10:43
        17h 57m
        2 stops
        OUL14:40
        Thu, Nov 21|Ontario - Oulu|American Airlines
        OUL21:25
        29h 40m
        1 stop
        ONT17:05
        Wed, Nov 27|Oulu - Ontario|Finnair
        US$1,160US$1,608
        28% OFF
        28% OFF
        US$1,608US$1,160

        Choose American Airlines flights from Ontario to Oulu.The one-way connecting flight with American Airlines departs from Ontario International Airport on Thu, Nov 21-Wed, Nov 27, arriving at Oulu Airport.One-way Prices start from US$1,160 including taxes and charges.

      • ONT10:43
        16h 57m
        2 stops
        OUL13:40
        Tue, Nov 26|Ontario - Oulu|American Airlines
        OUL21:35
        31h 25m
        2 stops
        ONT19:00
        Mon, Dec 2|Oulu - Ontario|Finnair
        US$1,227US$1,608
        24% OFF
        24% OFF
        US$1,608US$1,227

        Choose American Airlines flights from Ontario to Oulu.The one-way connecting flight with American Airlines departs from Ontario International Airport on Tue, Nov 26-Mon, Dec 2, arriving at Oulu Airport.One-way Prices start from US$1,227 including taxes and charges.

      • ONT10:43
        16h 57m
        2 stops
        OUL13:40
        Mon, Nov 25|Ontario - Oulu|American Airlines
        OUL18:05
        56h 23m
        2 stops
        ONT16:28
        Sun, Dec 1|Oulu - Ontario|Finnair
        US$1,275US$1,608
        21% OFF
        21% OFF
        US$1,608US$1,275

        Choose American Airlines flights from Ontario to Oulu.The one-way connecting flight with American Airlines departs from Ontario International Airport on Mon, Nov 25-Sun, Dec 1, arriving at Oulu Airport.One-way Prices start from US$1,275 including taxes and charges.

      • ONT06:05
        21h 35m
        2 stops
        OUL13:40
        Sun, Dec 1|Ontario - Oulu|American Airlines
        OUL09:10
        22h 2m
        2 stops
        ONT21:12
        Sat, Dec 7|Oulu - Ontario|Finnair
        US$1,293
        US$1,293

        Choose American Airlines flights from Ontario to Oulu.The one-way connecting flight with American Airlines departs from Ontario International Airport on Sun, Dec 1-Sat, Dec 7, arriving at Oulu Airport.One-way Prices start from US$1,293 including taxes and charges.

      • ONT14:53
        36h 47m
        2 stops
        OUL13:40
        Wed, Dec 4|Ontario - Oulu|American Airlines
        OUL09:10
        17h 55m
        1 stop
        ONT17:05
        Tue, Dec 10|Oulu - Ontario|Finnair
        US$1,303
        US$1,303

        Choose American Airlines flights from Ontario to Oulu.The one-way connecting flight with American Airlines departs from Ontario International Airport on Wed, Dec 4-Tue, Dec 10, arriving at Oulu Airport.One-way Prices start from US$1,303 including taxes and charges.

      • ONT10:43
        24h 17m
        2 stops
        OUL21:00
        Thu, Nov 21|Ontario - Oulu|British Airways
        OUL05:35
        29h 14m
        2 stops
        ONT00:49
        Wed, Nov 27|Oulu - Ontario|Finnair
        US$1,358
        US$1,358

        Choose British Airways flights from Ontario to Oulu.The one-way connecting flight with British Airways departs from Ontario International Airport on Thu, Nov 21-Wed, Nov 27, arriving at Oulu Airport.One-way Prices start from US$1,358 including taxes and charges.

      • ONT10:43
        24h 27m
        2 stops
        OUL21:10
        Sun, Nov 24|Ontario - Oulu|Iberia
        OUL20:35
        52h 10m
        2 stops
        ONT14:45
        Sat, Nov 30|Oulu - Ontario|Finnair
        US$1,386
        US$1,386

        Choose Iberia flights from Ontario to Oulu.The one-way connecting flight with Iberia departs from Ontario International Airport on Sun, Nov 24-Sat, Nov 30, arriving at Oulu Airport.One-way Prices start from US$1,386 including taxes and charges.

      • ONT10:43
        24h 27m
        2 stops
        OUL21:10
        Sun, Nov 24|Ontario - Oulu|American Airlines
        OUL20:35
        52h 10m
        2 stops
        ONT14:45
        Sat, Nov 30|Oulu - Ontario|Finnair
        US$1,399
        US$1,399

        Choose American Airlines flights from Ontario to Oulu.The one-way connecting flight with American Airlines departs from Ontario International Airport on Sun, Nov 24-Sat, Nov 30, arriving at Oulu Airport.One-way Prices start from US$1,399 including taxes and charges.

      • ONT13:00
        3h 5m
        Nonstop
        OUL14:00
        Mon, Nov 25|Ontario - Oulu|American Airlines
        Find More Flights
        Find More Flights

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

When is the cheapest time to book flights from Ontario to Oulu?

Explore the best time to buy affordable tickets to Oulu with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find cheap flights from Ontario to Oulu by different airports

Did you know that you can save money and time on an alternative route from Ontario to Oulu? Check out some of the different available routes below.

  • Cheapest
    American Airlines
    ONT
    10:43
    17h 57m
    3 transfer
    OUL
    14:40
    Ontario International Airport - Oulu Airport
    Thu, Nov 21American Airlines
    US$1,160
  • American Airlines
    ONT
    10:43
    17h 57m
    3 transfer
    OUL
    14:40
    Ontario International Airport - Oulu Airport
    Thu, Nov 21American Airlines
    US$1,160
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Ontario (ONT) to Oulu (OUL) the cheapest?

    Airlines adjust prices for flights from Ontario to Oulu 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 Ontario (ONT) to Oulu (OUL) cost?

    According to Trip.com's data, the lowest price is around $1,198.

  • What is the transportation method from the main airport to downtown in Oulu?

    • The distance from Oulu Airport to downtown is about 10 km. It takes about 30 minutes by taxi.

How to find a cheap flight from Ontario to Oulu

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
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

Ontario to Oulu Flight Information

Flight distance7,504.09 km
Popular airlineAmerican Airlines

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