HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Tamuning

$1,401+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — GUM
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Tamuning with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Diego to Tamuning

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Tamuning (GUM). 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 July 3, 2025.

Round-trip from

$1,817
(United Airlines)

One-way from

$1,401
(Delta)

Popular in

June

Cheapest in

November

Average price

$2,371
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. 6% potential increase in price ($172 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($60 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find 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 July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/1. 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.
Mon 10/206:15 amSAN - GUM
2 stops18h 50mUnited Airlines
Mon 10/277:25 amGUM - SAN
2 stops19h 56mUnited Airlines
Deal found 7/1$1,817
This Delta deal was found by Cheapflights users on 7/2. 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.
Tue 8/126:15 amSAN - GUM
2 stops40h 00mDelta
Mon 9/155:00 pmGUM - SAN
2 stops47h 42mDelta
Deal found 7/2$2,008

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego to Tamuning 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 July 3, 2025.
Use the filters below to find and compare flights from San Diego to Tamuning that are best for you.

Fly from

San Diego

Fly to

Tamuning

Route

Depart

Return

Price

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Mon 10/20

6:15 am-6:05 pm

2 stops18h 50m

Tamuning Guam Intl

Mon 10/27

7:25 am-10:21 am

2 stops19h 56m

$1,817

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Tue 8/12

6:15 am-3:15 pm

2 stops40h 00m

Tamuning Guam Intl

Mon 9/15

5:00 pm-11:42 pm

2 stops47h 42m

$2,008

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Fri 8/8

6:15 am-3:15 pm

2 stops40h 00m

$1,401

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Fri 8/8

7:27 pm-6:05 pm

3 stops29h 38m

$2,022

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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, January is the cheapest month in which you can book a flight from San Diego to Tamuning (average of $1,977). Flying from San Diego to Tamuning in May is currently the most expensive (average of $2,214). 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?

Find hourly flight availability from San Diego to Tamuning. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

It’s typically best to fly out from San Diego to Tamuning at noon. Doing so could potentially save you 45% on the flight price compared to flying in the morning, which is usually more expensive.

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

Reviews of airlines servicing Tamuning

Get insights into the airlines that provide service to Tamuning. 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 Tamuning. Reviews last updated July 3, 2025.
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
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

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
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

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
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

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

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.

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

    United Airlines, at $1,817, was found to be the cheapest airline from San Diego to Tamuning. An alternate airline flying to your destination would be Delta. You may be able to fly from San Diego to Tamuning for 20% 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, January is the cheapest month in which you can book a flight from San Diego to Tamuning (average of $1,977). Flying from San Diego to Tamuning in May is currently the most expensive (average of $2,214). 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

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

Top 2 airlines flying from San Diego to Tamuning

Discover the top 2 airlines that operate flights from San Diego to Tamuning. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,269Average$2,377FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,886Average$2,002FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.