Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Guam to Los Angeles from $1,381

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Guam to Los Angeles departing on 11/2. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Guam to Los Angeles

Recent round-trip flight deals from Guam to Los Angeles

Enter your travel dates to find the best prices.
United Airlines Logo
7:25 am - 11:06 pm
GUM
-
ONT
33h 41m
2 stops
United Airlines Logo
6:00 am - 4:40 am
ONT
-
GUM
28h 40m
2 stops
$1,381United Airlines
Mon, Nov 2 - Mon, Nov 16
United Airlines Logo
7:15 am - 12:12 pm
GUM
-
ONT
45h 57m
2 stops
United Airlines Logo
6:05 am - 6:05 pm
ONT
-
GUM
19h 00m
2 stops
$1,428United Airlines
Fri, Sep 18 - Wed, Sep 30
United Airlines Logo
7:15 am - 12:12 pm
GUM
-
ONT
45h 57m
2 stops
United Airlines Logo
1:56 pm - 6:05 pm
ONT
-
GUM
35h 09m
2 stops
$1,578United Airlines
Mon, Jul 6 - Wed, Aug 19
United Airlines Logo
7:05 am - 12:50 pm
GUM
-
ONT
22h 45m
2 stops
United Airlines Logo
1:56 pm - 4:20 am
ONT
-
GUM
45h 24m
2 stops
$1,631United Airlines
Thu, Aug 20 - Mon, Aug 24
United Airlines Logo
7:05 am - 12:12 pm
GUM
-
ONT
22h 07m
2 stops
United Airlines Logo
1:50 pm - 3:50 pm
ONT
-
GUM
57h 00m
2 stops
$1,678United Airlines
Fri, Jul 10 - Fri, Jul 17
United Airlines Logo
7:05 am - 12:12 pm
GUM
-
ONT
22h 07m
2 stops
United Airlines Logo
6:00 am - 9:45 pm
ONT
-
GUM
22h 45m
2 stops
$2,057United Airlines
Tue, Jun 23 - Tue, Jun 30
United Airlines Logo
12:15 pm - 5:54 pm
GUM
-
ONT
22h 39m
3 stops
United Airlines Logo
6:00 am - 9:45 pm
ONT
-
GUM
22h 45m
2 stops
$3,132United Airlines
Fri, Jul 10 - Fri, Jul 17
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
Fri, Jul 10 - Fri, Jul 17

United Airlines flights from Guam to Ontario

Our best United Airlines deals on Guam to Ontario flight tickets
United Airlines
Nov 2
GUM7:25 amTamuning Guam Intl
33h 41m
2 stops
ONT11:06 pmOntario
Nov 16
ONT6:00 amOntario
28h 40m
2 stops
GUM4:40 amTamuning Guam Intl
$1,381
United Airlines
Sep 18
GUM7:15 amTamuning Guam Intl
45h 57m
2 stops
ONT12:12 pmOntario
Sep 30
ONT6:05 amOntario
19h 00m
2 stops
GUM6:05 pmTamuning Guam Intl
$1,428
United Airlines
Jul 6
GUM7:15 amTamuning Guam Intl
45h 57m
2 stops
ONT12:12 pmOntario
Aug 19
ONT1:56 pmOntario
35h 09m
2 stops
GUM6:05 pmTamuning Guam Intl
$1,578

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated May 27, 2026.
Use the filters below to find and compare flights from Guam 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

Mon 11/2

7:25 am-11:06 pm

2 stops33h 41m

Ontario

Mon 11/16

6:00 am-4:40 am

2 stops28h 40m

$1,381

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Fri 9/18

7:15 am-12:12 pm

2 stops45h 57m

Ontario

Wed 9/30

6:05 am-6:05 pm

2 stops19h 00m

$1,428

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Mon 7/6

7:15 am-12:12 pm

2 stops45h 57m

Ontario

Wed 8/19

1:56 pm-6:05 pm

2 stops35h 09m

$1,578

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Thu 8/20

7:05 am-12:50 pm

2 stops22h 45m

Ontario

Mon 8/24

1:56 pm-4:20 am

2 stops45h 24m

$1,631

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Fri 7/10

7:05 am-12:12 pm

2 stops22h 07m

Ontario

Fri 7/17

1:50 pm-3:50 pm

2 stops57h 00m

$1,678

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Tue 6/23

7:05 am-12:12 pm

2 stops22h 07m

Ontario

Tue 6/30

6:00 am-9:45 pm

2 stops22h 45m

$2,057

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Fri 7/10

12:15 pm-5:54 pm

3 stops22h 39m

Ontario

Fri 7/17

6:00 am-9:45 pm

2 stops22h 45m

$3,132
Quickest round-trip

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Fri 7/10

12:15 pm-5:54 pm

3 stops22h 39m

Ontario

Fri 7/17

6:00 am-6:05 pm

3 stops19h 05m

$7,172
Cheapest one-way
Quickest one-way

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Fri 8/28

7:05 am-12:50 pm

2 stops22h 45m

$1,390

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Fri 6/26

7:15 am-12:12 pm

2 stops45h 57m

$1,395

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Guam to Ontario

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 airline that flies from Guam to Ontario?

United Airlines is the most popular carrier operating from Guam to Ontario

Cheap Guam to Ontario flight deals and tips

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

Fastest flight time

22h 07m

Direct flights

None
The fastest flight from Guam to Ontario takes 22h 07m
There are no direct flights from Guam to Ontario. There are no popular flight routes from Guam to Ontario.
Search flight deals

Frequently asked questions about flying from Guam to Ontario

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Guam to Ontario Airport.

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

    The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

It is quick and easy to find Guam to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

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

Flights from Guam to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Guam to Ontario.

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

If you are not ready to book a flight from Guam to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 6/26
Fri 7/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States