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$578+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — SAN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$1,428
(United Airlines)

One-way from

$578
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$1,575
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. 12% potential increase in price ($222 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:05 amGUM - SAN
2 stops29h 29mUnited Airlines
Mon 11/178:40 pmSAN - GUM
2 stops28h 10mUnited Airlines
Deal found 9/10$1,428
This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 10/161:55 amGUM - SAN
2 stops39h 03mDelta
Thu 11/66:15 amSAN - GUM
2 stops22h 50mDelta
Deal found 9/10$1,442
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/47:20 amGUM - SAN
2 stops33h 55mUnited Airlines
Tue 10/78:39 pmSAN - GUM
2 stops52h 26mUnited Airlines
Deal found 9/9$1,489
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:00 amGUM - SAN
2 stops39h 47mDelta
Mon 11/174:36 pmSAN - GUM
2 stops36h 29mDelta
Deal found 9/9$1,749
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:20 amGUM - SAN
2 stops41h 35mUnited Airlines
Sat 9/205:56 pmSAN - GUM
3 stops55h 09mUnited Airlines
Deal found 9/10$1,938
This Delta deal was found by Cheapflights users on 9/10. 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.
Mon 9/151:55 amGUM - SAN
2 stops37h 34mDelta
Sat 9/201:38 pmSAN - GUM
2 stops41h 32mDelta
Deal found 9/10$1,967

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 September 11, 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

Thu 11/13

7:05 am-8:48 pm

2 stops31h 43m

San Diego

Mon 11/17

7:50 pm-6:50 pm

2 stops29h 00m

$1,428

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Fri 10/17

7:20 am-6:29 pm

2 stops28h 09m

San Diego

Thu 11/6

6:15 am-6:50 pm

2 stops18h 35m

$1,428

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Thu 10/16

1:55 am-11:58 pm

2 stops39h 03m

San Diego

Thu 11/6

6:15 am-11:05 pm

2 stops22h 50m

$1,442

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Sat 10/4

7:20 am-12:15 am

2 stops33h 55m

San Diego

Tue 10/7

8:39 pm-6:05 pm

2 stops52h 26m

$1,489

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Wed 11/12

1:00 am-10:47 pm

2 stops39h 47m

San Diego

Mon 11/17

4:36 pm-11:05 pm

2 stops36h 29m

$1,749

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Fri 10/3

1:55 am-9:58 am

2 stops49h 03m

San Diego

Tue 10/7

5:25 pm-12:10 am

2 stops37h 45m

$1,967

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Wed 10/15

12:20 am-1:43 pm

3 stops54h 23m

$578

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Mon 10/20

2:25 am-11:05 pm

3 stops37h 40m

$620

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Thu 10/16

5:00 pm-6:10 pm

2 stops42h 10m

$1,257

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Thu 10/16

7:10 am-8:16 pm

3 stops30h 06m

$1,390

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 14 results
1
2

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 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 September 11, 2025.

It’s optimal to fly from Tamuning to San Diego at noon. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight in the morning.

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 September 11, 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
8,937 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

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
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

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 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 31h 43m. Fly via United Airlines or Delta to get the fastest option. There are 6166 mi between Tamuning and San Diego. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $1,425 on this airline. United Airlines is priced at 11% 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, August is the cheapest month in which you can book a flight from Tamuning to San Diego (average of $286). Flying from Tamuning 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 San Diego?

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

Browse thousands of different options on Cheapflights for your next trip

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,425Average$1,582FlexibilityNo cancel feeOn-time69%

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