How long is the flight from San Diego to Tamuning?

There are many flights that can get you from San Diego to Tamuning in 18h 50m. Fly via United Airlines or Delta to get the fastest option. The distance from San Diego to Tamuning is about 6166 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from San Diego to Tamuning round-trip?

Delta, at $1,427, was found to be the cheapest airline from San Diego to Tamuning. An alternate airline flying to your destination would be United Airlines. You may be able to fly from San Diego to Tamuning for 37% less than the average price by searching for these airlines.

In terms of precipitation, rainfall in Tamuning ranges from 2.6 - 14.4 inches per month. August is typically the wettest month, when rainfall can reach 14.4 in. March is typically the driest time to visit Tamuning when rainfall is around 2.6 in.

If weather is an important factor for your trip to Tamuning, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Most accurate provider : When it comes to deals on San Diego-Tamuning flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Tamuning flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Tamuning flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San Diego-Tamuning 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 San Diego-Tamuning flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

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

$1,400+ Flights from San Diego to Tamuning

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Cheap flight deals from San Diego to Tamuning

Cheapest flights from San Diego to Tamuning
Explore the most affordable flight options available from San Diego to Tamuning. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Sun 12/217:55 pmSAN - GUM

2 stops29h 05mUnited Airlines

Sun 1/47:40 amGUM - SAN

2 stops45h 03mUnited Airlines

Deal found 12/15

$2,990

Sat 12/208:45 pmSAN - GUM

2 stops52h 15mUnited Airlines

Fri 1/97:40 amGUM - SAN

3 stops25h 12mUnited Airlines

Deal found 12/14

$2,991

Thu 12/186:15 amSAN - GUM

2 stops18h 45mUnited Airlines

Sat 12/207:40 amGUM - SAN

2 stops25h 21mUnited Airlines

Deal found 12/14

$3,057

Best flights from San Diego to Tamuning
Discover carefully curated flight deals from San Diego to Tamuning that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

Thu 4/26:15 amSAN - GUM

2 stops18h 50mUnited Airlines

Thu 4/97:05 amGUM - SAN

2 stops21h 42mUnited Airlines

Deal found 12/13

$1,818

Wed 4/17:20 amSAN - GUM

2 stops38h 55mDelta

Sun 4/125:00 pmGUM - SAN

2 stops42h 00mDelta

Deal found 12/13

$1,853

Wed 4/16:20 amSAN - GUM

2 stops18h 45mUnited Airlines

Wed 4/87:05 amGUM - SAN

2 stops27h 14mUnited Airlines

Deal found 12/13

$1,818

Fri 4/37:20 amSAN - GUM

2 stops38h 55mDelta

Sun 4/125:00 pmGUM - SAN

2 stops42h 00mDelta

Deal found 12/13

$1,903

Wed 4/18:40 pmSAN - GUM

2 stops28h 25mUnited Airlines

Thu 4/97:05 amGUM - SAN

2 stops24h 51mUnited Airlines

Deal found 12/13

$1,818

Wed 4/226:20 amSAN - GUM

2 stops18h 45mUnited Airlines

Wed 4/297:05 amGUM - SAN

2 stops25h 33mUnited Airlines

Deal found 12/12

$1,818

Sun 2/226:10 pmSAN - GUM

2 stops30h 55mUnited Airlines

Sun 3/17:20 pmGUM - SAN

2 stops37h 29mUnited Airlines

Deal found 12/15

$1,853

Wed 4/16:20 amSAN - GUM

2 stops18h 45mUnited Airlines

Fri 4/107:05 amGUM - SAN

2 stops31h 06mUnited Airlines

Deal found 12/13

$1,868

Thu 4/306:20 amSAN - GUM

2 stops18h 45mUnited Airlines

Sat 5/97:05 amGUM - SAN

2 stops22h 42mUnited Airlines

Deal found 12/13

$1,868

Thu 4/26:20 amSAN - GUM

2 stops18h 45mUnited Airlines

Sat 4/117:05 amGUM - SAN

2 stops24h 51mUnited Airlines

Deal found 12/13

$1,868

Wed 4/16:15 amSAN - GUM

2 stops18h 50mUnited Airlines

Sat 4/117:05 amGUM - SAN

2 stops22h 39mUnited Airlines

Deal found 12/13

$1,868

Last-minute flights from San Diego to Tamuning
Discover last-minute flight deals from San Diego to Tamuning. Data last updated December 15, 2025 and is based on user searches.

Sat 12/208:45 pmSAN - GUM

2 stops52h 15mUnited Airlines

Fri 1/97:40 amGUM - SAN

3 stops25h 12mUnited Airlines

Deal found 12/14

$2,991

Sun 12/217:55 pmSAN - GUM

2 stops29h 05mUnited Airlines

Sun 1/47:40 amGUM - SAN

2 stops45h 03mUnited Airlines

Deal found 12/15

$2,990

Thu 1/16:15 amSAN - GUM

2 stops22h 50mDelta

Wed 1/71:00 amGUM - SAN

2 stops37h 43mDelta

Deal found 12/12

$2,113

Thu 1/16:15 amSAN - GUM

2 stops18h 45mUnited Airlines

Thu 1/87:40 amGUM - SAN

3 stops25h 12mUnited Airlines

Deal found 12/12

$2,428

Sun 1/117:00 amSAN - GUM

2 stops37h 35mDelta

Sat 1/171:00 amGUM - SAN

2 stops37h 43mDelta

Deal found 12/13

$2,108

Sun 1/116:15 amSAN - GUM

2 stops18h 50mUnited Airlines

Sun 1/187:40 amGUM - SAN

3 stops25h 12mUnited Airlines

Deal found 12/12

$2,293

Wed 1/217:52 pmSAN - GUM

2 stops29h 13mUnited Airlines

Wed 1/287:40 amGUM - SAN

3 stops25h 12mUnited Airlines

Deal found 12/13

$2,128

Mon 1/266:15 amSAN - GUM

2 stops22h 50mDelta

Tue 2/101:00 amGUM - SAN

2 stops39h 42mDelta

Deal found 12/13

$1,903

Mon 1/266:15 amSAN - GUM

2 stops18h 50mUnited Airlines

Wed 2/117:40 amGUM - SAN

3 stops25h 12mUnited Airlines

Deal found 12/13

$2,131

Sat 1/316:15 amSAN - GUM

2 stops22h 50mDelta

Wed 2/111:00 amGUM - SAN

2 stops39h 20mDelta

Deal found 12/14

$1,953

Sat 1/314:10 pmSAN - GUM

2 stops56h 55mUnited Airlines

Thu 2/127:40 amGUM - SAN

3 stops25h 09mUnited Airlines

Deal found 12/13

$2,167

One-way flights from San Diego to Tamuning
Search for one-way flight options from San Diego to Tamuning. Find affordable one-way fares based on user searches. Data last updated December 15, 2025.

Sun 1/117:00 amSAN - GUM

2 stops37h 35mDelta

Deal found 12/12

$1,400

Find flight deals from San Diego to Tamuning

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,818 (United Airlines)
One-way from	$1,400 (Delta)
Popular in	March
Cheapest in	February
Average price	$2,097

Provider with most accurate pricing for San Diego-Tamuning Guam Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for San Diego-Tamuning Guam Intl flights.

Search Deals

From San Diego to Tamuning Guam Intl

Search Deals

One-way flight from San Diego to Tamuning Guam Intl

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($77 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($49 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Diego to Tamuning that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Thu 4/2

6:15 am-6:05 pm

2 stops18h 50m

Tamuning Guam Intl

Thu 4/9

7:05 am-11:47 am

2 stops21h 42m

$1,818

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Wed 4/1

6:20 am-6:05 pm

2 stops18h 45m

Tamuning Guam Intl

Wed 4/8

7:05 am-5:19 pm

2 stops27h 14m

$1,818

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Wed 4/1

8:40 pm-6:05 pm

2 stops28h 25m

Tamuning Guam Intl

Thu 4/9

7:05 am-2:56 pm

2 stops24h 51m

$1,818

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Wed 4/22

6:20 am-6:05 pm

2 stops18h 45m

Tamuning Guam Intl

Wed 4/29

7:05 am-3:38 pm

2 stops25h 33m

$1,818

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Wed 4/1

7:20 am-3:15 pm

2 stops38h 55m

Tamuning Guam Intl

Sun 4/12

5:00 pm-6:00 pm

2 stops42h 00m

$1,853

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Sun 2/22

6:10 pm-7:05 pm

2 stops30h 55m

Tamuning Guam Intl

Sun 3/1

7:20 pm-2:49 pm

2 stops37h 29m

$1,853

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Wed 4/1

6:20 am-6:05 pm

2 stops18h 45m

Tamuning Guam Intl

Fri 4/10

7:05 am-9:11 pm

2 stops31h 06m

$1,868

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Thu 4/30

6:20 am-6:05 pm

2 stops18h 45m

Tamuning Guam Intl

Sat 5/9

7:05 am-12:47 pm

2 stops22h 42m

$1,868

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Thu 4/2

6:20 am-6:05 pm

2 stops18h 45m

Tamuning Guam Intl

Sat 4/11

7:05 am-2:56 pm

2 stops24h 51m

$1,868

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Wed 4/1

6:15 am-6:05 pm

2 stops18h 50m

Tamuning Guam Intl

Sat 4/11

7:05 am-12:44 pm

2 stops22h 39m

$1,868

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Showing 1-10 of 12 results

Compare providers for flights from San Diego to Tamuning

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Tamuning in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*2 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 San Diego-Tamuning flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Tamuning flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Tamuning flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San Diego-Tamuning 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 San Diego-Tamuning 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 San Diego to Tamuning

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

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

Currently, February is the cheapest month in which you can book a flight from San Diego to Tamuning (average of $964). Flying from San Diego to Tamuning in October is currently the most expensive (average of $2,553). 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 SAN to GUM?

It’s typically best to fly out from San Diego to Tamuning in the evening. Doing so could potentially save you 51% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Tamuning

Peruse reviews from past customers who have flown with Delta and United Airlines from San Diego to Tamuning to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

7.9

Good

8,008 reviews

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

9,092 reviews

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

How long is the flight from San Diego to Tamuning?
There are many flights that can get you from San Diego to Tamuning in 18h 50m. Fly via United Airlines or Delta to get the fastest option. The distance from San Diego to Tamuning is about 6166 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from San Diego to Tamuning round-trip?
Delta, at $1,427, was found to be the cheapest airline from San Diego to Tamuning. An alternate airline flying to your destination would be United Airlines. You may be able to fly from San Diego to Tamuning for 37% less than the average price by searching for these airlines.
Can I find deals for flights from San Diego to Tamuning that include hotel bookings?
Yes. In addition to deals on San Diego to Tamuning flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Diego to Tamuning?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Tamuning.
Can I find deals for business class flights from San Diego to Tamuning?
Yes. Cheapflights offers flight deals from San Diego to Tamuning 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 San Diego to Tamuning?
Currently, February is the cheapest month in which you can book a flight from San Diego to Tamuning (average of $964). Flying from San Diego to Tamuning in October is currently the most expensive (average of $2,553). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from San Diego to Tamuning

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$1,427	Average$2,077	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$1,499	Average$2,303	FlexibilityNo cancel fee	On-time69%

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$1,400+ Cheap flights from San Diego (SAN) to Tamuning (GUM)

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Diego to Tamuning with Cheapflights

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Cheap flight deals from San Diego to Tamuning

Cheapest flights from San Diego to TamuningExplore the most affordable flight options available from San Diego to Tamuning. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Explore the most affordable flight options available from San Diego to Tamuning. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Find flight deals from San Diego to Tamuning

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Diego to Tamuning that are best for you.

Compare providers for flights from San Diego to Tamuning

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 San Diego to Tamuning in December.

Best time to book a flight from San Diego to Tamuning

Have a flexible travel schedule? Discover the best time to fly to Tamuning from San Diego with our price prediction graph.

Cheapflights Insights

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

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

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

Reviews of airlines servicing Tamuning

Peruse reviews from past customers who have flown with Delta and United Airlines from San Diego to Tamuning to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Tamuning. 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 San Diego to Tamuning?

What are the cheapest airlines flying from San Diego to Tamuning round-trip?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to Tamuning

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from San Diego to Tamuning

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Cheapest flights from San Diego to Tamuning
Explore the most affordable flight options available from San Diego to Tamuning. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.