What is the cheapest airline that flies from Guam to San Diego?

United Airlines is the most popular carrier operating from Guam to San Diego

When did momondo last update prices for flights from Guam to San Diego Airport?

Prices for flights from Guam to San Diego Airport are updated daily.

How many operators does momondo search for flights from Guam to San Diego Airport?

As of October 2025, there is 1 operator available to choose from for flights from Guam to San Diego Airport.

How old do you have to be to fly from Guam to San Diego 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 Guam to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The travel and health documents required for your trip to San Diego 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 San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$1,377 Cheap Flights from Guam to San Diego in 2025/26

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Find the cheapest flights from Guam to San Diego

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Recent round-trip flight deals from Guam to San Diego

Enter your travel dates to find the best prices.

7:40 am - 9:20 amGUM-SAN

19h 40m2 stops

7:45 am - 3:55 pmSAN-GUM

38h 10m2 stops

$1,377United Airlines

Find Deal

Wed, Feb 11 - Thu, Feb 26

7:40 am - 2:52 pmGUM-SAN

25h 12m3 stops

7:45 am - 10:40 pmSAN-GUM

20h 55m2 stops

$1,384United Airlines

Find Deal

Wed, Feb 11 - Thu, Feb 26

7:05 am - 6:34 pmGUM-SAN

29h 29m2 stops

7:50 pm - 6:50 pmSAN-GUM

29h 00m2 stops

$1,427United Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

7:20 am - 6:29 pmGUM-SAN

29h 09m2 stops

6:10 pm - 7:05 pmSAN-GUM

30h 55m2 stops

$1,433United Airlines

Find Deal

Wed, Feb 18 - Sun, Feb 22

7:40 am - 2:52 pmGUM-SAN

25h 12m3 stops

6:30 am - 1:45 amSAN-GUM

25h 15m2 stops

$1,434United Airlines

Find Deal

Sat, Feb 7 - Thu, Feb 26

1:00 am - 1:06 pmGUM-SAN

54h 06m2 stops

3:15 pm - 11:05 pmSAN-GUM

37h 50m2 stops

$1,442Delta

Find Deal

Sun, Nov 16 - Tue, Dec 2

1:00 am - 12:46 pmGUM-SAN

53h 46m2 stops

6:55 pm - 11:05 pmSAN-GUM

34h 10m2 stops

$1,492Delta

Find Deal

Fri, Feb 6 - Thu, Feb 26

7:40 am - 2:49 pmGUM-SAN

25h 09m3 stops

6:15 am - 4:20 amSAN-GUM

28h 05m2 stops

$1,788United Airlines

Find Deal

Wed, Feb 18 - Sun, Feb 22

7:40 am - 2:55 pmGUM-SAN

25h 15m3 stops

6:45 am - 9:45 pmSAN-GUM

21h 00m2 stops

$1,909United Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

1:00 am - 6:09 pmGUM-SAN

35h 09m2 stops

6:15 am - 11:05 pmSAN-GUM

22h 50m2 stops

$1,917Delta

Find Deal

Wed, Nov 12 - Mon, Nov 17

United Airlines flights from Guam to San Diego

Our best United Airlines deals on Guam to San Diego flight tickets

United Airlines

Feb 11

GUM7:40 amTamuning Guam Intl

19h 40m

2 stops

SAN9:20 amSan Diego

Feb 26

SAN7:45 amSan Diego

38h 10m

2 stops

GUM3:55 pmTamuning Guam Intl

$1,377

Find similar

United Airlines

Feb 11

GUM7:40 amTamuning Guam Intl

25h 12m

3 stops

SAN2:52 pmSan Diego

Feb 26

SAN7:45 amSan Diego

20h 55m

2 stops

GUM10:40 pmTamuning Guam Intl

$1,384

Find similar

United Airlines

Nov 13

GUM7:05 amTamuning Guam Intl

35h 08m

2 stops

SAN12:13 amSan Diego

Nov 17

SAN8:40 pmSan Diego

28h 10m

2 stops

GUM6:50 pmTamuning Guam Intl

$1,427

Find similar

Delta flights from Guam to San Diego

Our best Delta deals on Guam to San Diego flight tickets

Delta

Nov 16

GUM1:00 amTamuning Guam Intl

54h 06m

2 stops

SAN1:06 pmSan Diego

Dec 2

SAN3:15 pmSan Diego

37h 50m

2 stops

GUM11:05 pmTamuning Guam Intl

$1,442

Find similar

Delta

Feb 6

GUM1:00 amTamuning Guam Intl

53h 46m

2 stops

SAN12:46 pmSan Diego

Feb 26

SAN6:55 pmSan Diego

34h 10m

2 stops

GUM11:05 pmTamuning Guam Intl

$1,492

Find similar

Delta

Nov 12

GUM1:00 amTamuning Guam Intl

35h 09m

2 stops

SAN6:09 pmSan Diego

Nov 17

SAN6:15 amSan Diego

22h 50m

2 stops

GUM11:05 pmTamuning Guam Intl

$1,917

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Wed 2/11

7:40 am-9:20 am

2 stops19h 40m

San Diego

Thu 2/26

7:45 am-3:55 pm

2 stops38h 10m

$1,377

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Wed 2/11

7:40 am-2:52 pm

3 stops25h 12m

San Diego

Thu 2/26

7:45 am-10:40 pm

2 stops20h 55m

$1,384

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Thu 11/13

7:05 am-6:34 pm

2 stops29h 29m

San Diego

Mon 11/17

7:50 pm-6:50 pm

2 stops29h 00m

$1,427

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Wed 2/18

7:20 am-6:29 pm

2 stops29h 09m

San Diego

Sun 2/22

6:10 pm-7:05 pm

2 stops30h 55m

$1,433

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Sat 2/7

7:40 am-2:52 pm

3 stops25h 12m

San Diego

Thu 2/26

6:30 am-1:45 am

2 stops25h 15m

$1,434

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Sun 11/16

1:00 am-1:06 pm

2 stops54h 06m

San Diego

Tue 12/2

3:15 pm-11:05 pm

2 stops37h 50m

$1,442

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Fri 2/6

1:00 am-12:46 pm

2 stops53h 46m

San Diego

Thu 2/26

6:55 pm-11:05 pm

2 stops34h 10m

$1,492

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Wed 2/18

7:40 am-2:49 pm

3 stops25h 09m

San Diego

Sun 2/22

6:15 am-4:20 am

2 stops28h 05m

$1,788

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Thu 11/13

7:40 am-2:55 pm

3 stops25h 15m

San Diego

Mon 11/17

6:45 am-9:45 pm

2 stops21h 00m

$1,909

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Wed 11/12

1:00 am-6:09 pm

2 stops35h 09m

San Diego

Mon 11/17

6:15 am-11:05 pm

2 stops22h 50m

$1,917

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

How to get the cheapest flight ticket from Guam to San Diego

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

Prices

Airlines

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of November, then departing from Guam during the month October is also very affordable. Most momondo users find prices during this month for around $1,445.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Guam to San Diego is on a Thursday. Travelers who choose to depart for San Diego on a Thursday will often find tickets for as low as $1,480. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,679. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is at noon when flights can be purchased for as low as $1,480. Flights in the morning are often more expensive with an average ticket price of $1,575.

Cheap Guam to San Diego flight deals and tips

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

Direct flights	None

There are no direct flights from Guam to San Diego. There are no popular flight routes from Guam to San Diego.

Search flight deals

When did momondo last update prices for flights from Guam to San Diego Airport?
Prices for flights from Guam to San Diego Airport are updated daily.
How many operators does momondo search for flights from Guam to San Diego Airport?
As of October 2025, there is 1 operator available to choose from for flights from Guam to San Diego Airport.
How old do you have to be to fly from Guam to San Diego 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 Guam to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The travel and health documents required for your trip to San Diego 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 San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Guam to San Diego

Compare and see reviews for airlines that fly from Guam to San Diego with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $1,425	Free Cancellation	Rating 7.4 8,998 reviews		Search United Airlines flights

Coronado

Chula Vista

El Cajon

Julian

National City

La Mesa

Imperial Beach

Poway

Borrego Springs

San Ysidro

Lemon Grove

Alpine

Santee

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Guam to San Diego for you.

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

Flights from Guam to San Diego 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 San Diego?

Once you have performed a search for Guam to San Diego flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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