$1,657 Find Cheap Flights from Ontario to Guam - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Guam departing on 7/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Book Cheap Ontario to Guam Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Guam that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Guam

Thu, Oct 15 - Wed, Oct 21
Delta Logo
6:00 am - 11:55 pm
ONT
-
GUM
24h 55m
2 stops
Delta Logo
2:00 am - 10:43 pm
GUM
-
ONT
37h 43m
2 stops
$1,753Delta
Tue, Jul 21 - Fri, Jul 24
United Airlines Logo
5:00 am - 6:05 pm
ONT
-
GUM
44h 05m
2 stops
United Airlines Logo
7:15 am - 10:37 pm
GUM
-
ONT
32h 22m
2 stops
$1,823United Airlines
Thu, Oct 15 - Thu, Oct 22
United Airlines Logo
6:00 am - 6:05 pm
ONT
-
GUM
19h 05m
2 stops
United Airlines Logo
7:10 am - 12:18 pm
GUM
-
ONT
22h 08m
2 stops
$1,869United Airlines
Fri, Nov 20 - Mon, Dec 7
United Airlines Logo
6:00 am - 6:50 pm
ONT
-
GUM
18h 50m
2 stops
United Airlines Logo
7:45 am - 9:57 am
GUM
-
ONT
20h 12m
2 stops
$1,919United Airlines
Tue, Sep 15 - Fri, Sep 25
United Airlines Logo
6:00 am - 6:05 pm
ONT
-
GUM
19h 05m
2 stops
United Airlines Logo
7:10 am - 12:18 pm
GUM
-
ONT
22h 08m
2 stops
$1,969United Airlines
Tue, Sep 1 - Tue, Sep 8
United Airlines Logo
9:01 am - 1:40 am
ONT
-
GUM
23h 39m
2 stops
United Airlines Logo
1:00 pm - 2:01 pm
GUM
-
ONT
18h 01m
2 stops
$2,014United Airlines
Thu, Dec 17 - Thu, Jan 14
United Airlines Logo
5:00 am - 7:00 pm
ONT
-
GUM
44h 00m
2 stops
United Airlines Logo
7:45 am - 12:33 pm
GUM
-
ONT
22h 48m
2 stops
$2,041United Airlines
Sat, Dec 12 - Sun, Jan 10
United Airlines Logo
6:00 am - 6:50 pm
ONT
-
GUM
18h 50m
2 stops
United Airlines Logo
7:45 am - 12:33 pm
GUM
-
ONT
22h 48m
2 stops
$2,174United Airlines
Mon, Nov 9 - Thu, Nov 12
United Airlines Logo
6:00 am - 6:50 pm
ONT
-
GUM
18h 50m
2 stops
United Airlines Logo
7:25 am - 9:57 am
GUM
-
ONT
20h 32m
2 stops
$2,179United Airlines
Thu, Oct 15 - Thu, Oct 22
United Airlines Logo
6:00 am - 6:05 pm
ONT
-
GUM
19h 05m
3 stops
United Airlines Logo
7:10 am - 10:23 am
GUM
-
ONT
20h 13m
2 stops
$2,193United Airlines
Booking Insights

KAYAK's insights & trends for Ontario to Guam flights

Get data-powered insights and trends into flights from Ontario to Guam to help you find the cheapest flights, the best time to fly and much more.

How long does a flight from Ontario to Guam take?

The duration of a flight to Guam depends on your arrival airport. The shortest route to Guam from Ontario is to Tamuning, which takes 18h 50m.

Find deals

Good to know

Cheapest flight$1,657
Flight from Ontario to Tamuning

FAQs - booking Guam flights

  • How does KAYAK find such low prices on flights from Ontario to Guam?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Guam.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Guam?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ontario to Guam is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Guam?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Ontario to Guam with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Guam?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Ontario to Guam up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Ontario to Guam

Information on your arrival and departure airports

Ontario (ONT)