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

Delta and United Airlines are the most popular carriers 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 January 2026, 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.

$947 Cheap Flights from Guam to San Diego in 2026

1 adult

0 bags

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Find the cheapest flights from Guam to San Diego

Round-trip

One-way

Recent round-trip flight deals from Guam to San Diego

Enter your travel dates to find the best prices.

7:40 am - 9:20 am

GUM

SAN

19h 40m2 stops

7:45 am - 3:40 pm

SAN

GUM

37h 55m2 stops

$1,477United Airlines

Fri, Jan 30 - Fri, Feb 20

7:40 am - 2:52 pm

GUM

SAN

25h 12m3 stops

6:15 am - 4:20 am

SAN

GUM

28h 05m2 stops

$1,480United Airlines

Fri, Jan 30 - Fri, Feb 20

7:20 am - 2:52 pm

GUM

SAN

25h 32m2 stops

8:45 am - 6:50 pm

SAN

GUM

65h 05m2 stops

$1,516United Airlines

Sat, Jan 17 - Sat, Mar 21

7:20 am - 2:52 pm

GUM

SAN

25h 32m2 stops

6:15 am - 6:50 pm

SAN

GUM

19h 35m2 stops

$1,527United Airlines

Sat, Jan 17 - Sat, Mar 21

7:40 am - 2:52 pm

GUM

SAN

25h 12m3 stops

6:15 am - 6:50 pm

SAN

GUM

19h 35m2 stops

$2,130United Airlines

Sat, Jan 17 - Sat, Mar 21

7:40 am - 2:52 pm

GUM

SAN

25h 12m3 stops

6:15 am - 6:50 pm

SAN

GUM

19h 35m2 stops

$2,228United Airlines

Sat, Jan 17 - Sat, Mar 21

United Airlines flights from Guam to San Diego

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

United Airlines

Jan 30

GUM7:40 amTamuning Guam Intl

19h 40m

2 stops

SAN9:20 amSan Diego

Feb 20

SAN7:45 amSan Diego

37h 55m

2 stops

GUM3:40 pmTamuning Guam Intl

$1,477

Find similar

United Airlines

Jan 30

GUM7:40 amTamuning Guam Intl

25h 12m

3 stops

SAN2:52 pmSan Diego

Feb 20

SAN6:15 amSan Diego

28h 05m

2 stops

GUM4:20 amTamuning Guam Intl

$1,480

Find similar

United Airlines

Jan 17

GUM7:20 amTamuning Guam Intl

25h 32m

2 stops

SAN2:52 pmSan Diego

Mar 21

SAN8:45 amSan Diego

65h 05m

2 stops

GUM6:50 pmTamuning Guam Intl

$1,516

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Fri 1/30

7:40 am-9:20 am

2 stops19h 40m

San Diego

Fri 2/20

7:45 am-3:40 pm

2 stops37h 55m

$1,477

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Fri 1/30

7:40 am-2:52 pm

3 stops25h 12m

San Diego

Fri 2/20

6:15 am-4:20 am

2 stops28h 05m

$1,480

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Sat 1/17

7:20 am-2:52 pm

2 stops25h 32m

San Diego

Sat 3/21

8:45 am-6:50 pm

2 stops65h 05m

$1,516

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Sat 1/17

7:20 am-2:52 pm

2 stops25h 32m

San Diego

Sat 3/21

6:15 am-6:50 pm

2 stops19h 35m

$1,527

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Sat 1/17

7:40 am-2:52 pm

3 stops25h 12m

San Diego

Sat 3/21

6:15 am-6:50 pm

2 stops19h 35m

$2,130

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Sat 1/17

7:40 am-2:52 pm

3 stops25h 12m

San Diego

Sat 3/21

6:15 am-6:50 pm

2 stops19h 35m

$2,228

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Thu 2/12

2:40 am-8:49 am

3 stops48h 09m

$947

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Thu 2/12

1:00 am-6:06 pm

2 stops35h 06m

$1,257

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Wed 1/7

7:20 am-11:05 pm

2 stops33h 45m

$1,394

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Wed 1/7

11:40 pm-3:04 pm

3 stops33h 24m

$2,279

Flights are sorted by cheapest round-trip flights first.

Sorted 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 May, then departing from Guam during the month November is also very affordable. Most momondo users find prices during this month for around $1,426.

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

Fastest flight time	29h 24m
Direct flights	None

The fastest flight from Guam to San Diego takes 29h 24m

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 January 2026, 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 $1,383	Free Cancellation	Rating 7.4 9,129 reviews		Search United Airlines flights

Coronado

Chula Vista

El Cajon

Julian

Poway

National City

Imperial Beach

Borrego Springs

San Ysidro

La Mesa

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.