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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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — SAN
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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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 October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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 stops35h 08mUnited Airlines
Mon 11/178:40 pmSAN - GUM
2 stops28h 10mUnited Airlines
Deal found 10/27$1,427
This Delta deal was found by Cheapflights users on 10/29. 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.
Sun 11/161:00 amGUM - SAN
2 stops54h 06mDelta
Tue 12/23:15 pmSAN - GUM
2 stops37h 50mDelta
Deal found 10/29$1,442
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/117:40 amGUM - SAN
2 stops23h 24mUnited Airlines
Thu 12/186:15 amSAN - GUM
2 stops18h 45mUnited Airlines
Deal found 10/27$1,658
This Delta deal was found by Cheapflights users on 10/27. 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 stops35h 09mDelta
Mon 11/176:15 amSAN - GUM
2 stops22h 50mDelta
Deal found 10/27$1,917
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/137:20 amGUM - SAN
2 stops42h 46mUnited Airlines
Sat 12/2011:12 amSAN - GUM
2 stops37h 48mUnited Airlines
Deal found 10/29$2,090
This Delta deal was found by Cheapflights users on 10/27. 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 12/101:00 amGUM - SAN
2 stops39h 45mDelta
Thu 12/186:15 amSAN - GUM
2 stops22h 50mDelta
Deal found 10/27$9,146
This Delta deal was found by Cheapflights users on 10/29. 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 12/121:00 amGUM - SAN
2 stops53h 45mDelta
Sat 12/204:31 pmSAN - GUM
2 stops36h 34mDelta
Deal found 10/29$9,594

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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,427
(United Airlines)

One-way from

$1,257
(Delta)

Popular in

January

Cheapest in

November

Average price

$1,445
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
Search Deals
One-way flight from Tamuning Guam Intl to San Diego
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($164 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
Search Deals

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 October 29, 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

Wed 2/11

7:40 am-9:20 am

2 stops19h 40m

San Diego

Thu 2/26

7:45 am-3:55 pm

2 stops38h 10m

$1,377

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

$1,427

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Mon 11/17

7:40 am-6:34 pm

2 stops28h 54m

San Diego

Tue 12/2

4:08 pm-3:40 pm

2 stops53h 32m

$1,427

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Wed 2/18

7:20 am-6:29 pm

2 stops29h 09m

San Diego

Sun 2/22

6:10 pm-7:05 pm

2 stops30h 55m

$1,433

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Sat 2/7

7:40 am-2:52 pm

3 stops25h 12m

San Diego

Thu 2/26

6:30 am-1:45 am

2 stops25h 15m

$1,434

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Tue 2/10

1:00 am-10:45 pm

2 stops39h 45m

San Diego

Thu 2/26

1:35 pm-11:05 pm

2 stops39h 30m

$1,442

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Fri 2/6

1:00 am-12:46 pm

2 stops53h 46m

San Diego

Thu 2/26

6:55 pm-11:05 pm

2 stops34h 10m

$1,492

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Thu 12/11

7:40 am-1:04 pm

2 stops23h 24m

San Diego

Thu 12/18

6:15 am-7:00 pm

2 stops18h 45m

$1,658

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Thu 12/11

4:50 pm-11:44 pm

2 stops48h 54m

$1,257

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Thu 12/11

7:00 am-3:02 pm

3 stops50h 02m

$1,401

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 11 results
1
2

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 October.
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 $1,382). 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 October 29, 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.

How much does it cost to fly round-trip from Tamuning to San Diego?

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 October 29, 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
8,999 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

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
8,999 reviews
United Airlines
7.4
Good
8,999 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

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 19h 40m. 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 $1,425 on this airline. United Airlines is priced at 13% 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 $1,382). 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
National City

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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,425Average$1,583FlexibilityNo cancel feeOn-time69%

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