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$2,177+ Cheap flights from San Diego (SAN) to Guam

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — GUM
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from San Diego to Guam

Keep the following information in mind while searching for San Diego to Guam flight deals. Data was last updated August 14, 2025.

Round-trip from

$2,177
(United Airlines)

Popular in

March

Cheapest in

November

Average price

$2,047
From San Diego to Guam
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($237 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 August 2025
Search Deals

Find flight deals from San Diego to Guam

Cheapest flights from San Diego to Guam
Explore the most affordable flight options available from San Diego to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/13. 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 11/246:15 amSAN - GUM
2 stops18h 35mUnited Airlines
Sat 11/297:25 amGUM - SAN
2 stops19h 49mUnited Airlines
Deal found 8/13$2,177
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Sun 9/148:37 pmSAN - GUM
2 stops52h 28mUnited Airlines
Fri 9/197:10 amGUM - SAN
2 stops27h 19mUnited Airlines
Deal found 8/14$2,201
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Fri 9/196:15 amSAN - GUM
2 stops18h 50mUnited Airlines
Sun 9/217:05 pmGUM - SAN
2 stops34h 47mUnited Airlines
Deal found 8/14$2,202
This Delta deal was found by Cheapflights users on 8/14. 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 9/145:05 pmSAN - GUM
2 stops38h 05mDelta
Thu 9/181:55 amGUM - SAN
2 stops33h 16mDelta
Deal found 8/14$2,269
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/66:15 amSAN - GUM
2 stops18h 50mUnited Airlines
Fri 9/127:05 pmGUM - SAN
2 stops38h 18mUnited Airlines
Deal found 8/14$2,552
This Delta deal was found by Cheapflights users on 8/13. 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 8/137:30 amSAN - GUM
2 stops23h 40mDelta
Mon 9/85:00 pmGUM - SAN
2 stops46h 51mDelta
Deal found 8/13$2,615
This Delta deal was found by Cheapflights users on 8/13. 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.
Sat 8/237:30 amSAN - GUM
2 stops23h 40mDelta
Fri 8/295:00 pmGUM - SAN
2 stops46h 51mDelta
Deal found 8/13$2,715
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 8/136:20 amSAN - GUM
2 stops18h 45mUnited Airlines
Mon 9/87:05 amGUM - SAN
3 stops30h 43mUnited Airlines
Deal found 8/13$2,827
This United Airlines deal was found by Cheapflights users on 8/13. 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 8/235:56 pmSAN - GUM
3 stops55h 09mUnited Airlines
Fri 8/297:15 amGUM - SAN
2 stops22h 37mUnited Airlines
Deal found 8/13$2,905

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Guam 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 August 14, 2025.
Use the filters below to find and compare flights from San Diego to Guam that are best for you.

Fly from

San Diego

Fly to

Guam

Route

Depart

Return

Price

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Mon 11/24

6:15 am-6:50 pm

2 stops18h 35m

Tamuning Guam Intl

Sat 11/29

7:25 am-9:14 am

2 stops19h 49m

$2,177

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Sun 9/14

8:37 pm-6:05 pm

2 stops52h 28m

Tamuning Guam Intl

Fri 9/19

7:10 am-6:23 pm

2 stops28h 13m

$2,201

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Fri 9/19

6:15 am-6:05 pm

2 stops18h 50m

Tamuning Guam Intl

Sun 9/21

7:05 pm-12:52 pm

2 stops34h 47m

$2,202

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Sun 9/14

7:10 pm-12:10 am

2 stops36h 00m

Tamuning Guam Intl

Thu 9/18

1:55 am-6:11 pm

2 stops33h 16m

$2,269

San DiegoTamuning

SAN - GUM

SANGUM

San Diego

Sat 9/6

6:15 am-6:05 pm

2 stops18h 50m

Tamuning Guam Intl

Fri 9/12

7:05 pm-12:52 pm

2 stops34h 47m

$2,552

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Best time to book a flight from San Diego to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam 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 Guam

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

Currently, January is the cheapest month in which you can book a flight from San Diego to Guam (average of $1,977). Flying from San Diego to Guam 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 GU?

Find hourly flight availability from San Diego to Guam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

When flying from San Diego to Guam, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Guam

Get insights into the airlines that provide service to Guam. 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 Guam. Reviews last updated August 14, 2025.
Read through reviews of airlines operating flights from San Diego to Guam, 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
8,916 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from San Diego to Guam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Diego to Guam?

    Most people fly from San Diego (SAN) if they book a flight from San Diego to Guam. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from San Diego to Guam (average of $1,977). Flying from San Diego to Guam 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

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Top airline flying from San Diego to Guam

Discover the top airline that operate flights from San Diego to Guam. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,460Average$2,368FlexibilityNo cancel feeOn-time69%

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