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United flights from Ontario to Great Falls starting at

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Low fare calendar for flights from Ontario (ONT) to Great Falls (GTF)

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$588 Price subject to changes
Viewed:6 min ago
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$588 Price subject to changes
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$468 Price subject to changes
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$468 Price subject to changes
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$618 Price subject to changes
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$493 Price subject to changes
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$338 Price subject to changes
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8
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$468 Price subject to changes
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9
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$498 Price subject to changes
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10
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$338 Price subject to changes
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$338 Price subject to changes
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12
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$498 Price subject to changes
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$338 Price subject to changes
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$268 Price subject to changes
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$308 Price subject to changes
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$338 Price subject to changes
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$338 Price subject to changes
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18
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$268 Price subject to changes
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$338 Price subject to changes
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20
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$368 Price subject to changes
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21
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$318 Price subject to changes
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22
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$238 Price subject to changes
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23
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$238 Price subject to changes
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24
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$313 Price subject to changes
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25
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$378 Price subject to changes
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26
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$338 Price subject to changes
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27
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$671 Price subject to changes
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28
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$378 Price subject to changes
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29
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$493 Price subject to changes
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30
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$548 Price subject to changes
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$313 Price subject to changes
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$198 Price subject to changes
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$238 Price subject to changes
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$238 Price subject to changes
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$198 Price subject to changes
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Lowest PriceToday
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

More United deals on Ontario (ONT) to Great Falls (GTF) flights

FromToDatesFare TypePrice

Ontario (ONT)

Great Falls (GTF)

Depart: 01/05/21

Return: 01/19/21

Roundtrip
from
$198*
Viewed:5minutesago

Ontario (ONT)

Great Falls (GTF)

Depart: 01/06/21

Return: 01/20/21

Roundtrip
from
$198*
Viewed:5minutesago

Ontario (ONT)

Great Falls (GTF)

Depart: 01/09/21

Return: 01/23/21

Roundtrip
from
$198*
Viewed:5minutesago

Ontario (ONT)

Great Falls (GTF)

Depart: 01/12/21

Return: 01/26/21

Roundtrip
from
$198*
Viewed:5minutesago

Ontario (ONT)

Great Falls (GTF)

Depart: 01/13/21

Return: 01/27/21

Roundtrip
from
$198*
Viewed:5minutesago

Ontario (ONT)

Great Falls (GTF)

Depart: 01/16/21

Return: 01/30/21

Roundtrip
from
$198*
Viewed:5minutesago

Ontario (ONT)

Great Falls (GTF)

Depart: 01/19/21

Return: 02/02/21

Roundtrip
from
$198*
Viewed:5minutesago

Ontario (ONT)

Great Falls (GTF)

Depart: 01/20/21

Return: 02/03/21

Roundtrip
from
$198*
Viewed:5minutesago

Ontario (ONT)

Great Falls (GTF)

Depart: 12/02/20

Return: 12/16/20

Roundtrip
from
$198*
Viewed:5minutesago

Ontario (ONT)

Great Falls (GTF)

Depart: 12/02/20

Return: 12/09/20

Roundtrip
from
$198*
Viewed:5minutesago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Great Falls

Friday snow
17°F 10/23/20
Saturday snow
14°F 10/24/20
Sunday light snow
9°F 10/25/20
Monday overcast clouds
21°F 10/26/20
Tuesday overcast clouds
35°F 10/27/20
Wednesday overcast clouds
36°F 10/28/20
Thursday scattered clouds
35°F 10/29/20
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