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$1,434+ Cheap flights from Guam to San Diego (SAN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — SAN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$1,434
(United Airlines)

Popular in

January

Cheapest in

November

Average price

$1,693
From Guam to San Diego
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($224 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 11/2812:55 pmGUM - SAN
2 stops25h 59mUnited Airlines
Sun 12/75:15 pmSAN - GUM
2 stops31h 35mUnited Airlines
Deal found 6/9$1,434
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/181:55 amGUM - SAN
2 stops37h 44mDelta
Wed 8/67:30 amSAN - GUM
2 stops38h 45mDelta
Deal found 6/10$1,643

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 June 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

Fri 11/28

12:55 pm-8:54 pm

2 stops25h 59m

San Diego

Sun 12/7

5:15 pm-6:50 pm

2 stops31h 35m

$1,434

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Fri 7/18

1:55 am-10:39 pm

2 stops37h 44m

San Diego

Wed 8/6

7:30 am-3:15 pm

2 stops38h 45m

$1,643

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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 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 June 12, 2025.

When flying from Guam to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta and United Airlines from Guam to San Diego to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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, August is the cheapest month in which you can book a flight from Guam to San Diego (average of $286). Flying from Guam to San Diego in March is currently the most expensive (average of $366). 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 Guam?

Book flights to Guam if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Imperial Beach
La Mesa
Alpine
Lemon Grove
Poway
Santee
Coronado

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,431Average$1,582FlexibilityNo cancel feeOn-time69%

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