Cheap flights from Ontario to Guam from $1,656
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Guam departing on 5/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Ontario to Guam
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How to get the cheapest flight ticket from Ontario to Guam
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Guam?
The cheapest day to depart from Ontario to Guam is on a Monday when prices can be found for as low as $1,879. Flights from Ontario to Guam on a Friday will generally be more expensive and average around $2,516. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Guam?
Flying to Guam from Ontario in the morning is the least expensive time of day to depart. momondo users have found prices as low as $2,431 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Guam is in the morning when prices are around $2,431.
What is the cheapest airline that flies from Ontario to Guam?
United Airlines is the most popular carrier operating from Ontario to Guam
What airlines fly to Guam?
United Airlines, Delta and Singapore Airlines are the top three most popular airlines that fly to Guam from Ontario according to our data. United Airlines is the first choice among our users, with 89% of people opting to fly with this airline when traveling to Guam. Keep in mind that there are 3 different airlines that fly to Guam on a routine basis, so you have a few additional options to choose from.
Cheap Ontario to Guam flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Guam
When did momondo last update prices for flights from Ontario Airport to Guam?
Prices for flights from Ontario Airport to Guam were last updated today.
How many operators does momondo search for flights from Ontario Airport to Guam?
As of April 2025, there is 1 operator available to choose from for flights from Ontario Airport to Guam.
How old do you have to be to fly from Ontario Airport to Guam?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Guam.
What documentation or ID do you need to fly to Guam?
The necessary travel and health documents for your Guam trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Ontario to Guam
Compare and see reviews for airlines that fly from Ontario to Guam with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,866 | Free Cancellation | Rating 7.4 8,667 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to Guam?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Guam for you.
Can I find flights from Ontario to Guam with flexible booking policies on momondo?
Yes. All flights to Guam from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Ontario to Guam?
momondo helps you find the best flight between Ontario and Guam by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Ontario to Guam right now. Can momondo alert me if prices change?
Price alerts on flights to Guam from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.