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Cheap flights from Guam to Los Angeles from $1,592

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 8/5. 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 Guam to Los Angeles

Recent round-trip flight deals from Guam to Los Angeles

Enter your travel dates to find the best prices.
Delta Logo
2:00 am - 10:45 pm
GUM
-
ONT
37h 45m
2 stops
Delta Logo
6:20 am - 11:55 pm
ONT
-
GUM
24h 35m
2 stops
$1,592Delta
Wed, Aug 5 - Thu, Aug 20
United Airlines Logo
7:15 am - 10:37 pm
GUM
-
ONT
32h 22m
2 stops
United Airlines Logo
6:08 am - 6:05 pm
ONT
-
GUM
18h 57m
2 stops
$1,628United Airlines
Fri, Aug 7 - Wed, Aug 19
United Airlines Logo
7:45 am - 8:20 pm
GUM
-
ONT
30h 35m
2 stops
United Airlines Logo
1:18 pm - 4:40 am
ONT
-
GUM
45h 22m
2 stops
$1,633United Airlines
Wed, Dec 16 - Sat, Jan 2
United Airlines Logo
7:05 am - 10:37 pm
GUM
-
ONT
32h 32m
2 stops
United Airlines Logo
6:08 am - 6:05 pm
ONT
-
GUM
18h 57m
2 stops
$1,684United Airlines
Tue, Aug 4 - Fri, Aug 21
United Airlines Logo
7:45 am - 3:23 pm
GUM
-
ONT
25h 38m
2 stops
United Airlines Logo
1:52 pm - 4:40 am
ONT
-
GUM
44h 48m
2 stops
$1,758United Airlines
Thu, Nov 26 - Sat, Nov 28
United Airlines Logo
7:05 am - 12:12 pm
GUM
-
ONT
22h 07m
2 stops
United Airlines Logo
9:01 am - 9:45 pm
ONT
-
GUM
19h 44m
2 stops
$2,132United Airlines
Sun, Aug 2 - Fri, Aug 21
United Airlines Logo
7:05 am - 12:47 pm
GUM
-
ONT
22h 42m
2 stops
United Airlines Logo
6:08 am - 9:45 pm
ONT
-
GUM
22h 37m
2 stops
$2,305United Airlines
Wed, Aug 5 - Fri, Aug 21
Multiple Airlines Logo
4:35 pm - 11:11 pm
GUM
-
ONT
47h 36m
2 stops
Multiple Airlines Logo
6:02 am - 2:35 pm
ONT
-
GUM
39h 33m
2 stops
$2,625Multiple Airlines
Tue, Aug 4 - Wed, Aug 26
Multiple Airlines Logo
4:35 pm - 11:14 am
GUM
-
ONT
59h 39m
2 stops
Multiple Airlines Logo
6:02 am - 2:35 pm
ONT
-
GUM
39h 33m
2 stops
$2,658Multiple Airlines
Mon, Aug 3 - Wed, Aug 26
Multiple Airlines Logo
4:35 pm - 4:30 pm
GUM
-
ONT
40h 55m
2 stops
Multiple Airlines Logo
6:02 am - 2:35 pm
ONT
-
GUM
39h 33m
2 stops
$2,675Multiple Airlines
Wed, Aug 5 - Wed, Aug 26

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United Airlines flights from Guam to Ontario

Our best United Airlines deals on Guam to Ontario flight tickets
United Airlines
Aug 7
GUM7:15 amTamuning Guam Intl
32h 22m
2 stops
ONT10:37 pmOntario
Aug 19
ONT6:08 amOntario
18h 57m
2 stops
GUM6:05 pmTamuning Guam Intl
$1,628
United Airlines
Dec 16
GUM7:45 amTamuning Guam Intl
30h 35m
2 stops
ONT8:20 pmOntario
Jan 2
ONT1:18 pmOntario
45h 22m
2 stops
GUM4:40 amTamuning Guam Intl
$1,633
United Airlines
Aug 4
GUM7:05 amTamuning Guam Intl
32h 32m
2 stops
ONT10:37 pmOntario
Aug 21
ONT6:08 amOntario
18h 57m
2 stops
GUM6:05 pmTamuning Guam Intl
$1,684

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 July 18, 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

Wed 8/5

2:00 am-10:45 pm

2 stops37h 45m

Ontario

Thu 8/20

6:20 am-11:55 pm

2 stops24h 35m

$1,592

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Fri 8/7

7:15 am-10:37 pm

2 stops32h 22m

Ontario

Wed 8/19

6:08 am-6:05 pm

2 stops18h 57m

$1,628

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Wed 12/16

7:45 am-8:20 pm

2 stops30h 35m

Ontario

Sat 1/2

1:18 pm-4:40 am

2 stops45h 22m

$1,633

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Tue 8/4

7:05 am-10:37 pm

2 stops32h 32m

Ontario

Fri 8/21

6:08 am-6:05 pm

2 stops18h 57m

$1,684

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Thu 11/26

7:45 am-3:23 pm

2 stops25h 38m

Ontario

Sat 11/28

1:52 pm-4:40 am

2 stops44h 48m

$1,758
Quickest round-trip

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Sun 8/2

7:05 am-12:12 pm

2 stops22h 07m

Ontario

Fri 8/21

9:01 am-9:45 pm

2 stops19h 44m

$2,132

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Wed 8/5

7:05 am-12:47 pm

2 stops22h 42m

Ontario

Fri 8/21

6:08 am-9:45 pm

2 stops22h 37m

$2,305

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Tue 8/4

4:35 pm-11:11 pm

2 stops47h 36m

Ontario

Wed 8/26

6:02 am-2:35 pm

2 stops39h 33m

$2,625

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Mon 8/3

4:35 pm-11:14 am

2 stops59h 39m

Ontario

Wed 8/26

6:02 am-2:35 pm

2 stops39h 33m

$2,658

TamuningOntario

GUM - ONT

GUMONT

Tamuning Guam Intl

Wed 8/5

4:35 pm-4:30 pm

2 stops40h 55m

Ontario

Wed 8/26

6:02 am-2:35 pm

2 stops39h 33m

$2,675

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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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.

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