What is the cheapest airline that flies from Guam to San Diego?

Delta and United Airlines are the most popular carriers operating from Guam to San Diego

When did momondo last update prices for flights from Guam to San Diego Airport?

Prices for flights from Guam to San Diego Airport are updated daily.

How many operators does momondo search for flights from Guam to San Diego Airport?

As of August 2025, there is 1 operator available to choose from for flights from Guam to San Diego Airport.

How old do you have to be to fly from Guam to San Diego Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Guam to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$1,257 Cheap Flights from Guam to San Diego in 2025

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Find the cheapest flights from Guam to San Diego

Round-trip

One-way

Recent round-trip flight deals from Guam to San Diego

7:20 am - 6:23 pmGUM-SAN

28h 03m2 stops

4:11 pm - 6:05 pmSAN-GUM

32h 54m2 stops

$1,370United Airlines

Find Deal

Thu, Sep 18 - Wed, Sep 24

7:20 am - 10:06 amGUM-SAN

43h 46m2 stops

6:15 am - 6:05 pmSAN-GUM

18h 50m2 stops

$1,378United Airlines

Find Deal

Thu, Oct 2 - Thu, Oct 9

12:30 pm - 8:49 pmGUM-SAN

25h 19m3 stops

6:15 am - 6:05 pmSAN-GUM

18h 50m2 stops

$1,384United Airlines

Find Deal

Thu, Oct 2 - Thu, Oct 9

1:55 am - 10:47 amGUM-SAN

49h 52m2 stops

6:15 am - 12:10 amSAN-GUM

24h 55m2 stops

$1,392Delta

Find Deal

Wed, Oct 15 - Thu, Oct 23

7:20 am - 6:29 pmGUM-SAN

28h 09m2 stops

6:00 pm - 6:50 pmSAN-GUM

55h 50m3 stops

$1,412United Airlines

Find Deal

Wed, Oct 1 - Sat, Oct 25

12:30 pm - 8:48 pmGUM-SAN

25h 18m3 stops

6:15 am - 6:05 pmSAN-GUM

18h 50m2 stops

$1,427United Airlines

Find Deal

Thu, Sep 18 - Wed, Sep 24

7:05 am - 8:48 pmGUM-SAN

31h 43m2 stops

7:50 pm - 6:50 pmSAN-GUM

29h 00m2 stops

$1,428United Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

7:25 am - 9:14 amGUM-SAN

19h 49m2 stops

5:55 pm - 9:45 pmSAN-GUM

33h 50m3 stops

$1,434United Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

1:55 am - 12:46 pmGUM-SAN

51h 51m2 stops

6:15 am - 12:10 amSAN-GUM

24h 55m2 stops

$1,442Delta

Find Deal

Wed, Sep 17 - Wed, Sep 24

7:20 am - 12:15 amGUM-SAN

33h 55m2 stops

9:01 am - 6:05 pmSAN-GUM

64h 04m2 stops

$1,489United Airlines

Find Deal

Sat, Oct 18 - Tue, Oct 21

United Airlines flights from Guam to San Diego

Our best United Airlines deals on Guam to San Diego flight tickets

United Airlines

Sep 18

GUM7:20 amTamuning Guam Intl

28h 03m

2 stops

SAN6:23 pmSan Diego

Sep 24

SAN4:11 pmSan Diego

32h 54m

2 stops

GUM6:05 pmTamuning Guam Intl

$1,370

Find similar

United Airlines

Oct 2

GUM7:20 amTamuning Guam Intl

43h 46m

2 stops

SAN10:06 amSan Diego

Oct 9

SAN6:15 amSan Diego

18h 50m

2 stops

GUM6:05 pmTamuning Guam Intl

$1,378

Find similar

United Airlines

Oct 2

GUM12:30 pmTamuning Guam Intl

25h 19m

3 stops

SAN8:49 pmSan Diego

Oct 9

SAN6:15 amSan Diego

18h 50m

2 stops

GUM6:05 pmTamuning Guam Intl

$1,384

Find similar

Delta flights from Guam to San Diego

Our best Delta deals on Guam to San Diego flight tickets

Delta

Oct 15

GUM1:55 amTamuning Guam Intl

49h 52m

2 stops

SAN10:47 amSan Diego

Oct 23

SAN6:15 amSan Diego

24h 55m

2 stops

GUM12:10 amTamuning Guam Intl

$1,392

Find similar

Delta

Sep 17

GUM1:55 amTamuning Guam Intl

51h 51m

2 stops

SAN12:46 pmSan Diego

Sep 24

SAN6:15 amSan Diego

24h 55m

2 stops

GUM12:10 amTamuning Guam Intl

$1,442

Find similar

Delta

Oct 1

GUM1:55 amTamuning Guam Intl

38h 49m

2 stops

SAN11:44 pmSan Diego

Oct 9

SAN6:15 amSan Diego

24h 55m

2 stops

GUM12:10 amTamuning Guam Intl

$1,777

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Thu 9/18

7:20 am-6:23 pm

2 stops28h 03m

San Diego

Wed 9/24

4:11 pm-6:05 pm

2 stops32h 54m

$1,370

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Thu 10/2

7:20 am-10:06 am

2 stops43h 46m

San Diego

Thu 10/9

6:15 am-6:05 pm

2 stops18h 50m

$1,378

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Thu 10/2

12:30 pm-8:49 pm

3 stops25h 19m

San Diego

Thu 10/9

6:15 am-6:05 pm

2 stops18h 50m

$1,384

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Wed 10/15

1:55 am-10:47 am

2 stops49h 52m

San Diego

Thu 10/23

6:15 am-12:10 am

2 stops24h 55m

$1,392

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Wed 10/1

7:20 am-6:29 pm

2 stops28h 09m

San Diego

Sat 10/25

6:00 pm-6:50 pm

3 stops55h 50m

$1,412

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Thu 9/18

12:30 pm-8:48 pm

3 stops25h 18m

San Diego

Wed 9/24

6:15 am-6:05 pm

2 stops18h 50m

$1,427

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

Thu 11/13

7:25 am-9:14 am

2 stops19h 49m

San Diego

Mon 11/17

5:55 pm-9:45 pm

3 stops33h 50m

$1,434

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Wed 9/17

1:55 am-12:46 pm

2 stops51h 51m

San Diego

Wed 9/24

6:15 am-12:10 am

2 stops24h 55m

$1,442

TamuningSan Diego

GUM - SAN

GUMSAN

Tamuning Guam Intl

Sat 10/18

7:20 am-12:15 am

2 stops33h 55m

San Diego

Tue 10/21

9:01 am-6:05 pm

2 stops64h 04m

$1,489

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

How to get the cheapest flight ticket from Guam to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Guam to San Diego is on a Thursday. Travelers who choose to depart for San Diego on a Thursday will often find tickets for as low as $1,480. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,679. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is at noon when flights can be purchased for as low as $1,480. Flights in the morning are often more expensive with an average ticket price of $1,575.

Cheap Guam to San Diego flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Guam to San Diego

Best Price Found	$1,257
Fastest flight time	19h 49m
Direct flights	None
Airports in San Diego	1 airport

The best one-way flight to San Diego from Guam in the past 72 hours is $1,257. The best round-trip flight deal from Guam to San Diego found on momondo in the last 72 hours is $1,370.

The fastest flight from Guam to San Diego takes 19h 49m

There are no direct flights from Guam to San Diego. Popular non-direct route for this connection is Tamuning Guam Intl Airport - San Diego Airport.

There is 1 airport near San Diego: San Diego (SAN)

Search flight deals

When did momondo last update prices for flights from Guam to San Diego Airport?
Prices for flights from Guam to San Diego Airport are updated daily.
How many operators does momondo search for flights from Guam to San Diego Airport?
As of August 2025, there is 1 operator available to choose from for flights from Guam to San Diego Airport.
How old do you have to be to fly from Guam to San Diego Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Guam to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Guam to San Diego

Compare and see reviews for airlines that fly from Guam to San Diego with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $1,425	Free Cancellation	Rating 7.4 8,922 reviews		Search United Airlines flights

Coronado

Chula Vista

El Cajon

Julian

National City

La Mesa

Imperial Beach

Poway

San Ysidro

Borrego Springs

Alpine

Lemon Grove

Santee

Why use momondo?

Why should I use momondo to find a flight deal from Guam to San Diego?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Guam to San Diego for you.

Can I find flights from Guam to San Diego with flexible booking policies on momondo?

Flights from Guam to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Guam to San Diego?

Once you have performed a search for Guam to San Diego flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Guam to San Diego right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Guam to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Diego and let you know when they change.