Cheap Flights from Guam International Airport to Ontario (ONT) Find and Compare the Best Airline Deals | Skyticket

Departure Date

2025/6
Sun	Mon	Tue	Wed	Thu	Fri	Sat
12,738	2Search	32,013	4Search	5Search	61,626	7Search
8Search	9Search	10Search	11Search	12Search	131,646	14Search
15Search	16Search	17Search	18Search	19Search	20Search	21Search
22Search	23Search	24Search	25Search	26Search	27Search	28Search
29Search	30Search

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2025/6
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

Guam－Ontario Airport
June Lowest Airfares
USD1,626

The airfare displayed above is for United Airlines

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Guam－Ontario Airport
July Lowest Airfares
USD1,573

The airfare displayed above is for United Airlines

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Guam－Ontario Airport
August Lowest Airfares
USD1,651

The airfare displayed above is for United Airlines

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Guam－Ontario Airport
September Lowest Airfares
USD1,384

The airfare displayed above is for United Airlines

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Guam－Ontario Airport
October Lowest Airfares
USD1,382

The airfare displayed above is for United Airlines

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Guam－Ontario
Estimated Flight Time
12 Hours 20 Minutes
Guam－Ontario
Number of Operating Airlines
1

Operating Airlines for Guam－Ontario Airport Route
United Airlines

Other Destinations from:Guam

Guam－Philadelphia(PHL)
USD1,574〜
* Fares vary in accordance to seat availability
Other Departures to: Ontario

Incheon Airport－Ontario(ONT)
USD541〜
Saipan Airport－Ontario(ONT)
USD1,886〜
San Francisco Airport－Ontario(ONT)
USD114〜
Haneda Airport－Ontario(ONT)
USD809〜
Narita Airport－Ontario(ONT)
USD735〜
Chubu Centrair Airport－Ontario(ONT)
USD939〜
Itami Airport (Osaka Airport)－Ontario(ONT)
USD1,392〜
Kansai Airport－Ontario(ONT)
USD945〜
* Fares vary in accordance to seat availability