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Cheap flights from Guam to Ontario (ONT) from $1,432

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. 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.
GUM — ONT
May 23 — May 301
From?
To?
Thu 5/23
Thu 5/30
1 adult, Economy
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How far in advance should I book a flight from Guam to Ontario?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 28 days in advance, which can save you up to 42% on flights from Guam to Ontario compared to booking the week you need them. Waiting 28 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 $1,541. For sooner than that we have options available in the next 3 days from $3,431.

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

Flights from Guam to Ontario lean towards being more expensive in August. Prices are generally better when you fly from Guam to Ontario in October, with the cheapest ticket starting at $1,181.

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

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

Cheap United Airlines flights from Guam to Ontario

Explore cheap flight options specifically provided by United Airlines for the route between Guam and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,650,061 searches. Data last updated May 18, 2024.
Wed 11/137:10 amGUM - ONT
2 stops33h 11mUnited Airlines
Sun 11/171:55 pmONT - GUM
2 stops34h 55mUnited Airlines
Deal found 5/16$1,432
Fri 5/247:15 amGUM - ONT
2 stops33h 54mUnited Airlines
Sun 5/265:55 amONT - GUM
2 stops23h 15mUnited Airlines
Deal found 5/17$3,019

Cheap Guam to Ontario flights in May & June 2024

Find cheap flight options from Guam to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,650,061 searches. Prices were last updated on May 18, 2024.
Fri 5/247:15 amGUM - ONT
2 stops33h 54mUnited Airlines
Sun 5/265:55 amONT - GUM
2 stops23h 15mUnited Airlines
Deal found 5/17$3,019

Guam to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Guam and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,650,061 searches. Data last updated May 18, 2024.
Wed 11/137:10 amGUM - ONT
2 stops33h 11mUnited Airlines
Sun 11/171:55 pmONT - GUM
2 stops34h 55mUnited Airlines
Deal found 5/16$1,432
Fri 5/247:15 amGUM - ONT
2 stops33h 54mUnited Airlines
Sun 5/265:55 amONT - GUM
2 stops23h 15mUnited Airlines
Deal found 5/17$3,019

Guam to Ontario flights leaving soon

Find last-minute flight options from Guam to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,650,061 searches. Data last updated May 18, 2024.
Fri 5/247:15 amGUM - ONT
2 stops33h 54mUnited Airlines
Sun 5/265:55 amONT - GUM
2 stops23h 15mUnited Airlines
Deal found 5/17$3,019

Find flights from Guam to Ontario within your budget

Customize your flight search to find flights from Guam to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,650,061 searches. Data last updated May 18, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,432 - $1,432

Route

Depart

Return

Price

Tamuning Guam IntlOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Wed 11/13

2 stops33h 11m

Ontario

Sun 11/17

2 stops34h 55m

$1,432

Flights are sorted by cheapest first

Deals found on 5/16

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated May 18, 2024.
United Airlines
7.4
Good
10,906 reviews
Check prices

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.2

Entertainment

7.1

Food

6.7

Reviews

1 / 10

Seating was very cramped, I was under the impression there was food and a entertainment tv on board

United Airlines
7.4
Good
10,906 reviews
United Airlines
7.4
Good
10,906 reviews
Check prices

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.2

Entertainment

7.1

Food

6.7

Reviews

1 / 10

Seating was very cramped, I was under the impression there was food and a entertainment tv on board

Related info for your journey

Find useful and relevant information for your journey from Guam to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For a flight from Guam to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

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

    Yes, there are multiple flights from Guam to Ontario for under $1,500. The cheapest flight booked recently is on United Airlines for just $1,432, but on average you can expect to pay $1,432.

  • Are there last-minute flights available from Guam to Ontario for under $3,100?

    There are currently 1+ open flights from Guam to Ontario within the next 7 days for less than $3,100.

  • What does GUM to ONT mean?

    Great question - GUM to ONT just means Tamuning Guam Intl Airport to Ontario Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Guam to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Guam to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Guam to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Guam to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Guam to Ontario that include hotel bookings?

    Yes. In addition to deals on Guam to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Guam to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Guam to Ontario.

  • Can I find deals for business class flights from Guam to Ontario?

    Yes. Cheapflights offers flight deals from Guam to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Guam to Ontario that allow pets onboard?

    Many airlines flying from Guam to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Guam to Ontario?

    Yes, you can often find last-minute deals on Guam to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Guam to Ontario flight deals updated?

    The Guam to Ontario flight deals you see on this page were last updated on 5/17.

See more FAQs

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Top airline flying from Guam to Ontario

Discover the top airline that operate flights from Guam to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,650,061 searches. Data last updated May 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,384Average$1,479FlexibilityNo cancel feeOn-time69%
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Search flights from Guam to Ontario by cabin class

Find flights from Guam to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Guam to Ontario?

Deals for Guam to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Guam to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from Guam.

Can Cheapflights find flights from Guam to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Guam to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Guam to Ontario become cheaper?

Yes! Start tracking prices for Guam to Ontario flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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