Cheap flights from Ontario (ONT) to Guam

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How to find the cheapest flight from
Ontario (ONT) to Guam

All the information you need to plan the best ONT to GUM flight in 2022: compare Ontario to Guam flight prices with the expected peak season, weather and rainfall in Guam.
How far in advance should I book a flight from Ontario to Guam?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 53 days in advance, which can save you up to 8% on flights from Ontario to Guam compared to booking the week you need them. Waiting 53 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,681. For sooner than that we have options available in the next 3 days from $1,880.

When is the cheapest time to fly from Ontario to Guam (ONT - GU)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Guam as you normally would.

What is the cheapest month to fly from Ontario to Guam?

Our data shows that September tends to be the cheapest month to fly to Guam from Ontario. Users have commonly found prices around $1,644 for the month, but tickets can be as low as $565. Due to multiple factors, prepare for potentially higher prices in November.

Cheap flights from Ontario to Guam in January, February 2022

The best prices found for ONT to Guam flights for January, February
25 Jan - 1 Feb
$2,812pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
GUM
Tamuning Guam Intl
GUM
Tamuning Guam Intl
United Airlines
   
2 STOPS
ONT
Ontario

Ontario to Guam 2022 flight deals

Cheap flights to Guam from Ontario found for this year
10 Mar - 24 Mar
$1,492pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
GUM
Tamuning Guam Intl
GUM
Tamuning Guam Intl
Multiple Airlines
   
2 STOPS
ONT
Ontario
25 Jan - 1 Feb
$2,812pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
GUM
Tamuning Guam Intl
GUM
Tamuning Guam Intl
United Airlines
   
2 STOPS
ONT
Ontario
4 Jun - 25 Jun
$3,519pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
GUM
Tamuning Guam Intl
GUM
Tamuning Guam Intl
United Airlines
   
2 STOPS
ONT
Ontario

One-way flights to Guam from Ontario

The cheapest one-way flights from Ontario to Guam
5:36 am - 9:30 am
Multiple Airlines
2 Stops
57h 54m
ONT - GUM
Multiple Airlines
$985
United
3:28 pm - 2:00 pm
United Airlines
2 Stops
28h 32m
ONT - GUM
United Airlines
$1,454
United
8:25 am - 5:15 pm
United Airlines
3 Stops
38h 50m
ONT - GUM
United Airlines
$1,475
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">Guam</span> flights.

Flight FAQs

From Ontario to Guam

What airport do you fly from for flights from Ontario to Guam?

Most people fly from Ontario (ONT) if they book a flight from Ontario to Guam. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

Which airlines flying from Ontario to Guam have flexible changes due to COVID-19?

United Airlines is one of the carriers that may have flexible change policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Ontario to Guam for under $1,500 on Cheapflights?

Yes, there are multiple flights from Ontario to Guam for under $1,500. The cheapest flight booked recently is on Multiple Airlines for just $1,492, but on average you can expect to pay $2,505.

What are the cheapest flights from Ontario to Guam?

Looking at all options, your cheapest flight can be booked for $2,135. While the most popular route (Ontario - Tamuning Guam Intl) can be booked for $1,492 on average our data indicates $2,135 when flying from Ontario to Guam.

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COVID Restrictions

View COVID Travel Restrictions for Guam

Do I need a COVID test to fly to Guam from Ontario?

Information is based on travel restrictions from Ontario to Guam

Most visitors from Ontario need to provide a negative COVID-19 test result and/or quarantine to enter Guam.

COVID-19 testing requirements
Visitors from Ontario are not required to present a negative COVID-19 PCR test or antigen result upon entering Guam.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Guam.

Do I need a test to fly back to Ontario from Guam?

Returning to Ontario from Guam

COVID-19 testing requirements
Visitors from Guam must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Ontario.

Quarantine requirements
Visitors from Guam are not required to quarantine after entering Ontario.

Hide COVID Travel Restrictions for Guam

Destination information for Guam

Things to know before you go - useful duration and weather info for your trip from Ontario to Guam.
Today's exchange rate
$1 = $1.00

Airports servicing Ontario

Airports servicing

Tamuning Guam Intl (GUM)
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