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$1,257+ Cheap flights from Guam to San Diego (SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — SAN
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from Guam to San Diego

Cheapest flights from Guam to San Diego
Explore the most affordable flight options available from Guam to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/137:20 amGUM - SAN
2 stops25h 42mUnited Airlines
dom. 12/146:15 amSAN - GUM
2 stops18h 35mUnited Airlines
Deal found 12/11$2,002
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2112:30 pmGUM - SAN
3 stops26h 18mUnited Airlines
mié. 12/246:15 amSAN - GUM
2 stops18h 45mUnited Airlines
Deal found 12/11$2,108

Find flight deals from Guam to San Diego

Keep the following information in mind while searching for Guam to San Diego flight deals. Data was last updated diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,377
(United Airlines)

One-way from

$1,257
(Delta)

Popular in

January

Cheapest in

November

Average price

$1,542
Provider with most accurate pricing for Tamuning Guam Intl-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Tamuning Guam Intl-San Diego flights.
Search Deals
From Guam to San Diego
Search Deals
One-way flight from Guam to San Diego
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($142 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Guam to San Diego 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, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
Use the filters below to find and compare flights from Guam to San Diego that are best for you.

Fly from

Guam

Fly to

San Diego

Route

Depart

Return

Price

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

mié. 5/6

7:05 am-3:39 pm

2 stops25h 34m

San Diego

mié. 5/20

8:45 pm-6:05 pm

3 stops28h 20m

$1,377

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

mié. 5/6

7:05 am-10:37 pm

2 stops32h 32m

San Diego

mar. 5/19

1:35 pm-6:05 pm

2 stops35h 30m

$1,377

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

sáb. 1/17

7:20 pm-6:44 pm

2 stops41h 24m

San Diego

sáb. 3/21

11:28 am-6:50 pm

2 stops62h 22m

$1,469

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

vie. 3/13

7:05 am-6:33 pm

2 stops28h 28m

San Diego

lun. 3/16

6:15 am-6:50 pm

2 stops19h 35m

$1,784

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

dom. 12/21

12:30 pm-8:48 pm

3 stops26h 18m

San Diego

mié. 12/24

6:15 am-7:00 pm

2 stops18h 45m

$2,108

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

jue. 12/25

1:00 am-8:55 am

2 stops49h 55m

$1,257

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

vie. 12/26

7:40 am-2:58 pm

3 stops25h 18m

$1,390

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Best time to book a flight from Guam to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Guam with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Guam to San Diego

What is the cheapest month to book a flight from Guam to San Diego?

Currently, November is the cheapest month in which you can book a flight from Guam to San Diego (average of $1,381). Flying from Guam to San Diego in January is currently the most expensive (average of $2,045). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GU to SAN?

Find hourly flight availability from Guam to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 12, 2025.

It’s typically best to fly out from Guam to San Diego in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated diciembre 12, 2025.
See what other customers who have flown with United Airlines from Guam to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Guam to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Diego from Guam?

    San Diego (SAN) is the airport you will fly into if you book a flight from Guam to San Diego. It is only a 2.6 mi journey from San Diego (SAN) to San Diego’s city center.

  • How long is the flight from Guam to San Diego?

    Airlines like United Airlines fly from Guam to San Diego in about 25h 34m. The time it takes to get you to your destination can typically vary by up to . There are 6166 mi between Guam and San Diego.

  • Can I find deals for flights from Guam to San Diego that include hotel bookings?

    Yes. In addition to deals on Guam to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Guam to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Guam to San Diego.

  • Can I find deals for business class flights from Guam to San Diego?

    Yes. Cheapflights offers flight deals from Guam to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Guam to San Diego?

    Currently, November is the cheapest month in which you can book a flight from Guam to San Diego (average of $1,381). Flying from Guam to San Diego in January is currently the most expensive (average of $2,045). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
Julian
National City

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Top airline flying from Guam to San Diego

Discover the top airline that operate flights from Guam to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,383Average$1,579FlexibilityNo cancel feeOn-time69%

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