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Get United's best fares today on flights from Greenville to Ontario from *

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Low fare calendar for flights from Greenville (GSP) to Ontario (ONT)

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from
$706*
Viewed:7 hours ago
Return:02/02/20
20
from
$474*
Viewed:7 hours ago
Return:02/03/20
21
from
$557*
Viewed:7 hours ago
Return:02/04/20
22
from
$474*
Viewed:7 hours ago
Return:02/05/20
23
from
$474*
Viewed:7 hours ago
Return:02/06/20
24
from
$500*
Viewed:7 hours ago
Return:02/07/20
25
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$422*
Viewed:7 hours ago
Return:02/08/20
26
from
$462*
Viewed:7 hours ago
Return:02/02/20
27
from
$436*
Viewed:7 hours ago
Return:02/03/20
28
from
$422*
Viewed:7 hours ago
Return:02/11/20
29
from
$422*
Viewed:7 hours ago
Return:02/12/20
30
from
$436*
Viewed:7 hours ago
Return:02/06/20
31
from
$442*
Viewed:7 hours ago
Return:02/14/20
from
$386*
Viewed:7 hours ago
Return:02/15/20
Lowest PriceToday
*Prices have been available for round trips within the last 48 hours and may not be currently available. 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.

Looking for additional flights from Greenville to Ontario?

FromToDatesFare TypePrice

Greenville (GSP)

Ontario (ONT)

Depart: 02/26/20

Return: 03/04/20

Roundtrip
from
$372*
Viewed:6hoursago

Greenville (GSP)

Ontario (ONT)

Depart: 02/18/20

Return: 02/25/20

Roundtrip
from
$372*
Viewed:6hoursago

Greenville (GSP)

Ontario (ONT)

Depart: 02/22/20

Return: 02/29/20

Roundtrip
from
$372*
Viewed:6hoursago

Greenville (GSP)

Ontario (ONT)

Depart: 03/03/20

Return: 03/10/20

Roundtrip
from
$372*
Viewed:6hoursago

Greenville (GSP)

Ontario (ONT)

Depart: 03/11/20

Return: 03/18/20

Roundtrip
from
$372*
Viewed:6hoursago

Greenville (GSP)

Ontario (ONT)

Depart: 03/18/20

Return: 03/25/20

Roundtrip
from
$372*
Viewed:6hoursago

Greenville (GSP)

Ontario (ONT)

Depart: 03/17/20

Return: 03/24/20

Roundtrip
from
$372*
Viewed:6hoursago

Greenville (GSP)

Ontario (ONT)

Depart: 04/01/20

Return: 04/15/20

Roundtrip
from
$372*
Viewed:6hoursago

Greenville (GSP)

Ontario (ONT)

Depart: 04/07/20

Return: 04/21/20

Roundtrip
from
$372*
Viewed:6hoursago

Greenville (GSP)

Ontario (ONT)

Depart: 02/19/20

Return: 02/26/20

Roundtrip
from
$372*
Viewed:6hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. 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 Ontario

Saturday overcast clouds
63°F 01/18/20
Sunday overcast clouds
69°F 01/19/20
Monday overcast clouds
69°F 01/20/20
Tuesday sky is clear
63°F 01/21/20
Wednesday overcast clouds
59°F 01/22/20
Thursday sky is clear
70°F 01/23/20
Friday overcast clouds
68°F 01/24/20
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