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Cheap flights from Tamuning to Los Angeles from $1,383

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Tamuning to Los Angeles departing on 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Tamuning to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:35 pm - 8:01 pm
GUM
-
ONT
41h 26m
2 stops
United Airlines Logo
6:00 am - 6:05 pm
ONT
-
GUM
19h 05m
2 stops
$1,383United Airlines
Sun, Sep 20 - Thu, Oct 8
United Airlines Logo
7:15 am - 12:12 pm
GUM
-
ONT
45h 57m
2 stops
United Airlines Logo
6:00 am - 3:50 pm
ONT
-
GUM
40h 50m
2 stops
$1,591United Airlines
Thu, Jul 16 - Thu, Jul 23
United Airlines Logo
7:15 am - 10:37 pm
GUM
-
ONT
32h 22m
2 stops
United Airlines Logo
6:39 pm - 6:05 pm
ONT
-
GUM
30h 26m
2 stops
$1,903United Airlines
Mon, Jul 27 - Wed, Jul 29
United Airlines Logo
7:05 am - 10:37 pm
GUM
-
ONT
32h 32m
2 stops
United Airlines Logo
6:00 am - 4:20 am
ONT
-
GUM
29h 20m
2 stops
$1,958United Airlines
Tue, Jul 21 - Fri, Jul 24
United Airlines Logo
12:15 pm - 5:54 pm
GUM
-
ONT
22h 39m
3 stops
United Airlines Logo
6:00 am - 9:15 pm
ONT
-
GUM
22h 15m
2 stops
$3,086United Airlines
Thu, Jul 16 - Thu, Jul 23
United Airlines Logo
12:15 pm - 5:54 pm
GUM
-
ONT
22h 39m
3 stops
United Airlines Logo
6:00 am - 6:05 pm
ONT
-
GUM
19h 05m
3 stops
$7,172United Airlines
Thu, Jul 16 - Thu, Jul 23

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United Airlines flights from Tamuning to Ontario

Our best United Airlines deals on Tamuning to Ontario flight tickets
United Airlines
Sep 20
GUM7:35 pmTamuning Guam Intl
41h 26m
2 stops
ONT8:01 pmOntario
Oct 8
ONT6:00 amOntario
19h 05m
2 stops
GUM6:05 pmTamuning Guam Intl
$1,383
United Airlines
Jul 19
GUM7:05 amTamuning Guam Intl
22h 07m
2 stops
ONT12:12 pmOntario
Jul 28
ONT6:00 amOntario
22h 45m
2 stops
GUM9:45 pmTamuning Guam Intl
$1,618
United Airlines
Jul 1
GUM7:15 amTamuning Guam Intl
27h 39m
2 stops
ONT5:54 pmOntario
Jul 30
ONT6:00 amOntario
19h 05m
2 stops
GUM6:05 pmTamuning Guam Intl
$1,678

momondo Fare Finder

 
Customize your flight search to find flights from Tamuning 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, momondo users made 832,500 searches. Data last updated June 23, 2026.
Use the filters below to find and compare flights from Tamuning to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Sun 9/20

7:35 pm-8:01 pm

2 stops41h 26m

Ontario

Thu 10/8

6:00 am-6:05 pm

2 stops19h 05m

$1,383

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Thu 7/16

7:15 am-12:12 pm

2 stops45h 57m

Ontario

Thu 7/23

6:00 am-3:50 pm

2 stops40h 50m

$1,591

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Mon 7/27

7:15 am-10:37 pm

2 stops32h 22m

Ontario

Wed 7/29

6:39 pm-6:05 pm

2 stops30h 26m

$1,903

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Tue 7/21

7:05 am-10:37 pm

2 stops32h 32m

Ontario

Fri 7/24

6:00 am-4:20 am

2 stops29h 20m

$1,958

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Thu 7/16

12:15 pm-5:54 pm

3 stops22h 39m

Ontario

Thu 7/23

6:00 am-9:15 pm

2 stops22h 15m

$3,086
Quickest round-trip

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Thu 7/16

12:15 pm-5:54 pm

3 stops22h 39m

Ontario

Thu 7/23

6:00 am-6:05 pm

3 stops19h 05m

$7,172

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Tamuning to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Tamuning to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Tamuning to Ontario (GUM to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Tamuning to Ontario

Fastest flight time

27h 39m

Direct flights

None
The fastest flight from Tamuning to Ontario takes 27h 39m
There are no direct flights from Tamuning to Ontario. There are no popular flight routes from Tamuning to Ontario.
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Frequently asked questions about flying from Tamuning to Ontario

  • How far is Tamuning Guam Intl to Ontario by plane?

    There are 6117.0 mi between Tamuning Guam Intl and Ontario. Typically, this will take 27h 39m by plane in normal conditions.

  • When did momondo last update prices for flights from Tamuning Guam Intl Airport to Ontario Airport?

    Prices for flights from Tamuning Guam Intl Airport to Ontario Airport are updated daily.

  • How old do you have to be to fly from Tamuning Guam Intl Airport to Ontario Airport?

    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 Tamuning Guam Intl Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Tamuning to Ontario

  • How do I get Price Alerts for flights from Tamuning to Ontario?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Tamuning from Ontario. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Tamuning to Ontario with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Tamuning to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Tamuning to Ontario. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Tamuning to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Tamuning with this policy.

How can momondo help me find flights from Tamuning to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Tamuning.

I’m not ready to book a flight from Tamuning to Ontario right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Tamuning to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Thu 7/23
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