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$1,257+ Cheap flights from Tamuning (GUM) 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 Tamuning to San Diego

Cheapest flights from Tamuning to San Diego
Explore the most affordable flight options available from Tamuning 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 Tamuning to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Tamuning (GUM) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data 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.
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Provider most trusted by Cheapflights users for Tamuning Guam Intl-San Diego flights.
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From Tamuning Guam Intl to San Diego
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One-way flight from Tamuning Guam Intl to San Diego
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Highest demand for flights based on searches. 7% potential increase in price ($142 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Tamuning 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 Tamuning to San Diego that are best for you.

Fly from

Tamuning

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

Compare providers for flights from Tamuning to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Tamuning to San Diego in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Tamuning-San Diego flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Tamuning-San Diego flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Tamuning-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Tamuning-San Diego flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Tamuning-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Tamuning to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Tamuning 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 Tamuning to San Diego

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

Currently, November is the cheapest month in which you can book a flight from Tamuning to San Diego (average of $1,381). Flying from Tamuning 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 GUM to SAN?

Find hourly flight availability from Tamuning 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 optimal to fly from Tamuning to San Diego in the afternoon. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the evening.

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.
Read through reviews of airlines operating flights from Tamuning to San Diego, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

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

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

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 Tamuning to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    There are many flights that can get you from Tamuning to San Diego in 25h 34m. Fly via United Airlines to get the fastest option. There are 6166 mi between Tamuning and San Diego.

  • What is the cheapest airline to fly from Tamuning to San Diego round-trip?

    Our cheapest airline available from Tamuning to San Diego is United Airlines. Our recent data shows that you can find tickets from as low as $1,383 on this airline. United Airlines is priced at 16% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Tamuning 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 Tamuning to San Diego?

    Currently, November is the cheapest month in which you can book a flight from Tamuning to San Diego (average of $1,381). Flying from Tamuning 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 Tamuning to San Diego

Discover the top airline that operate flights from Tamuning 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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