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Find Ottawa to Great Falls flights starting at NZD 512.

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • YOW06:00
        17h 36m
        2 stops
        GTF21:36
        Wed, Jan 8|Ottawa - Great Falls|United Airlines
        NZD 512NZD 2,051
        75% OFF
        75% OFF
        NZD 2,051NZD 512

        Choose United Airlines flights from Ottawa to Great Falls. The one-way connecting flight with United Airlines departs from Ottawa Macdonald-Cartier International Airport on Wed, Jan 8, arriving at Great Falls International Airport. One-way Prices start from NZD 512 including taxes and charges.

      • YOW17:00
        30h 36m
        2 stops
        GTF21:36
        Tue, Jan 7|Ottawa - Great Falls|United Airlines
        NZD 524NZD 2,051
        74% OFF
        74% OFF
        NZD 2,051NZD 524

        Choose United Airlines flights from Ottawa to Great Falls. The one-way connecting flight with United Airlines departs from Ottawa Macdonald-Cartier International Airport on Tue, Jan 7, arriving at Great Falls International Airport. One-way Prices start from NZD 524 including taxes and charges.

      • YOW16:10
        23h 21m
        2 stops
        GTF13:31
        Wed, Jan 8|Ottawa - Great Falls|Porter Airlines
        NZD 675NZD 2,051
        67% OFF
        67% OFF
        NZD 2,051NZD 675

        Choose Porter Airlines flights from Ottawa to Great Falls. The one-way connecting flight with Porter Airlines departs from Ottawa Macdonald-Cartier International Airport on Wed, Jan 8, arriving at Great Falls International Airport. One-way Prices start from NZD 675 including taxes and charges.

      • YOW06:15
        17h 21m
        2 stops
        GTF21:36
        Tue, Jan 7|Ottawa - Great Falls|WestJet
        NZD 823
        NZD 823

        Choose WestJet flights from Ottawa to Great Falls. The one-way connecting flight with WestJet departs from Ottawa Macdonald-Cartier International Airport on Tue, Jan 7, arriving at Great Falls International Airport. One-way Prices start from NZD 823 including taxes and charges.

      • YOW06:20
        17h 4m
        2 stops
        GTF21:24
        Thu, Dec 19|Ottawa - Great Falls|United Airlines
        NZD 954
        NZD 954

        Choose United Airlines flights from Ottawa to Great Falls. The one-way connecting flight with United Airlines departs from Ottawa Macdonald-Cartier International Airport on Thu, Dec 19, arriving at Great Falls International Airport. One-way Prices start from NZD 954 including taxes and charges.

      • YOW17:45
        29h 51m
        2 stops
        GTF21:36
        Wed, Jan 8|Ottawa - Great Falls|WestJet
        NZD 1,010
        NZD 1,010

        Choose WestJet flights from Ottawa to Great Falls. The one-way connecting flight with WestJet departs from Ottawa Macdonald-Cartier International Airport on Wed, Jan 8, arriving at Great Falls International Airport. One-way Prices start from NZD 1,010 including taxes and charges.

      • YOW06:20
        17h 4m
        2 stops
        GTF21:24
        Sun, Dec 22|Ottawa - Great Falls|United Airlines
        NZD 1,051
        NZD 1,051

        Choose United Airlines flights from Ottawa to Great Falls. The one-way connecting flight with United Airlines departs from Ottawa Macdonald-Cartier International Airport on Sun, Dec 22, arriving at Great Falls International Airport. One-way Prices start from NZD 1,051 including taxes and charges.

      • YOW09:20
        14h 4m
        2 stops
        GTF21:24
        Thu, Dec 19|Ottawa - Great Falls|Porter Airlines
        NZD 1,125
        NZD 1,125

        Choose Porter Airlines flights from Ottawa to Great Falls. The one-way connecting flight with Porter Airlines departs from Ottawa Macdonald-Cartier International Airport on Thu, Dec 19, arriving at Great Falls International Airport. One-way Prices start from NZD 1,125 including taxes and charges.

      • YOW06:20
        17h 4m
        2 stops
        GTF21:24
        Sat, Dec 21|Ottawa - Great Falls|United Airlines
        NZD 1,227
        NZD 1,227

        Choose United Airlines flights from Ottawa to Great Falls. The one-way connecting flight with United Airlines departs from Ottawa Macdonald-Cartier International Airport on Sat, Dec 21, arriving at Great Falls International Airport. One-way Prices start from NZD 1,227 including taxes and charges.

      • YOW05:55
        16h 18m
        2 stops
        GTF20:13
        Sun, Dec 22|Ottawa - Great Falls|Delta Air Lines
        NZD 1,309
        NZD 1,309

        Choose Delta Air Lines flights from Ottawa to Great Falls. The one-way connecting flight with Delta Air Lines departs from Ottawa Macdonald-Cartier International Airport on Sun, Dec 22, arriving at Great Falls International Airport. One-way Prices start from NZD 1,309 including taxes and charges.

      • YOW01:00 pm
        3h 5m
        Nonstop
        GTF02:00 pm
        Sun, Dec 22|Ottawa - Great Falls|United 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 fly from Ottawa to Great Falls?

We monitor flight fares to help you find the best deals effortlessly

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

Find Cheapest Airlines Flying from Ottawa to Great Falls

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

United Airlines
From NZD 512
Porter Airlines
From NZD 675
WestJet
From NZD 823
Delta Air Lines
From NZD 1,309
Air Transat
From NZD 2,253

Find more flights and airlines

Alternative Routes for Ottawa to Great Falls Flights

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Ottawa to Great Falls.

  • Cheapest
    United Airlines
    YOW
    06:00
    17h 36m
    2 transfer
    GTF
    21:36
    Ottawa Macdonald-Cartier International Airport - Great Falls International Airport
    Wed, Jan 8United Airlines
    NZD 512
  • United Airlines
    YOW
    06:00
    17h 36m
    2 transfer
    GTF
    21:36
    Ottawa Macdonald-Cartier International Airport - Great Falls International Airport
    Wed, Jan 8United Airlines
    NZD 512
    Find More Flights

FAQ

  • When are flight tickets from Ottawa (YOW) to Great Falls (GTF) the cheapest?

    Airlines adjust prices for flights from Ottawa to Great Falls based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Ottawa (YOW) to Great Falls (GTF) cost?

    According to Trip.com's data, the lowest price is around NZD 764.

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

    • The distance from Great Falls International Airport to downtown is about 5km, by taxi about 20 minutes.

  • How many airports in Great Falls (GTF)?

    There are 1 airport(s) in Great Falls (GTF): Great Falls International Airport.

How to find a cheap flight from Ottawa to Great Falls

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Ottawa to Great Falls. Book your flights at the right time and save more.
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 for Ottawa to Great Falls Flights

Off-season travel monthJanuary
Peak season for travelDecember
Flight distance2,723.66km
Popular airlinePorter Airlines

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