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

United Airlines is the most popular carrier operating from San Diego to Guam

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

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

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

As of September 2026, there are 2 operators available to choose from for flights from San Diego Airport to Guam.

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

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 San Diego Airport to Guam.

What documentation or ID do you need to fly to Guam?

The required travel and health documents for your Guam trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Guam. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$603 Cheap Flights from San Diego to Guam in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Diego to Guam

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 2:35 pmSAN San Diego-GUM Tamuning Guam Intl

39h 20m2 stops Seattle/Tacoma Intl Tokyo Narita

4:35 pm - 1:21 pmGUM Tamuning Guam Intl-SAN San Diego

61h 46m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,268Multiple Airlines

Thu, Sep 24 - Sun, Sep 27

7:27 pm - 2:40 pmSAN San Diego-GUM Tamuning Guam Intl

50h 13m2 stops Seattle/Tacoma Intl Tokyo Narita

4:40 pm - 9:58 pmGUM Tamuning Guam Intl-SAN San Diego

46h 18m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,271Alaska Airlines

Fri, Oct 16 - Mon, Oct 19

6:15 am - 2:40 pmSAN San Diego-GUM Tamuning Guam Intl

39h 25m2 stops Seattle/Tacoma Intl Tokyo Narita

4:45 pm - 11:26 pmGUM Tamuning Guam Intl-SAN San Diego

47h 41m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,287Alaska Airlines

Sun, Oct 18 - Mon, Oct 26

9:29 pm - 2:40 pmSAN San Diego-GUM Tamuning Guam Intl

48h 11m3 stops Oakland Seattle/Tacoma Intl Tokyo Narita

4:40 pm - 9:58 pmGUM Tamuning Guam Intl-SAN San Diego

46h 18m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,341Alaska Airlines

Fri, Oct 16 - Mon, Oct 19

6:15 am - 2:40 pmSAN San Diego-GUM Tamuning Guam Intl

39h 25m2 stops Seattle/Tacoma Intl Tokyo Narita

4:45 pm - 5:10 pmGUM Tamuning Guam Intl-SAN San Diego

41h 25m3 stops Tokyo Narita Seattle/Tacoma Intl Phoenix Sky Harbor Intl

$1,342Alaska Airlines

Sun, Oct 18 - Mon, Oct 26

6:20 am - 7:00 pmSAN San Diego-GUM Tamuning Guam Intl

18h 40m2 stops Los Angeles Los Angeles Honolulu

7:45 am - 5:21 pmGUM Tamuning Guam Intl-SAN San Diego

27h 36m2 stops Honolulu Denver Intl

$1,869United Airlines

Tue, Dec 8 - Tue, Dec 29

6:15 am - 3:05 pmSAN San Diego-GUM Tamuning Guam Intl

38h 50m2 stops Salt Lake City Incheon Intl

2:40 am - 5:45 pmGUM Tamuning Guam Intl-SAN San Diego

33h 05m2 stops Incheon Intl Seattle/Tacoma Intl

$1,955Delta

Wed, Nov 4 - Thu, Nov 12

7:41 pm - 6:05 pmSAN San Diego-GUM Tamuning Guam Intl

29h 24m2 stops San Francisco Honolulu

7:45 am - 12:56 pmGUM Tamuning Guam Intl-SAN San Diego

22h 11m2 stops Honolulu Denver Intl

$2,129United Airlines

Sun, Oct 18 - Mon, Oct 26

2:30 pm - 7:00 pmSAN San Diego-GUM Tamuning Guam Intl

34h 30m2 stops Los Angeles Los Angeles Honolulu

7:45 am - 6:37 pmGUM Tamuning Guam Intl-SAN San Diego

28h 52m3 stops Honolulu Denver Intl San Francisco

$2,191United Airlines

Wed, Nov 4 - Fri, Nov 13

6:20 am - 7:00 pmSAN San Diego-GUM Tamuning Guam Intl

18h 40m3 stops Los Angeles Los Angeles Kona Intl Honolulu

7:45 am - 1:43 pmGUM Tamuning Guam Intl-SAN San Diego

23h 58m2 stops Honolulu San Francisco

$2,278United Airlines

Tue, Dec 8 - Tue, Dec 29

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Delta flights from San Diego to Guam

Our best Delta deals on San Diego to Guam flight tickets

Delta

Nov 4

SAN6:15 amSan Diego

38h 50m

2 stops

GUM3:05 pmTamuning Guam Intl

Nov 12

GUM2:40 amTamuning Guam Intl

33h 05m

2 stops

SAN5:45 pmSan Diego

$1,955

Delta

Sep 18

SAN6:15 amSan Diego

40h 20m

2 stops

GUM3:35 pmTamuning Guam Intl

Sep 30

GUM2:00 amTamuning Guam Intl

33h 06m

2 stops

SAN6:06 pmSan Diego

$2,267

United Airlines flights from San Diego to Guam

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

United Airlines

Dec 8

SAN6:20 amSan Diego

18h 40m

2 stops

GUM7:00 pmTamuning Guam Intl

Dec 29

GUM7:45 amTamuning Guam Intl

27h 36m

2 stops

SAN5:21 pmSan Diego

$1,869

United Airlines

Oct 18

SAN7:41 pmSan Diego

29h 24m

2 stops

GUM6:05 pmTamuning Guam Intl

Oct 26

GUM7:45 amTamuning Guam Intl

22h 11m

2 stops

SAN12:56 pmSan Diego

$2,129

United Airlines

Nov 4

SAN2:30 pmSan Diego

34h 30m

2 stops

GUM7:00 pmTamuning Guam Intl

Nov 13

GUM7:45 amTamuning Guam Intl

28h 52m

3 stops

SAN6:37 pmSan Diego

$2,191

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoTamuning

SAN San Diego - GUM Tamuning Guam Intl

SANGUM

San Diego

Thu 9/24

6:15 am-2:35 pm

2 stops39h 20m

Tamuning Guam Intl

Sun 9/27

4:35 pm-1:21 pm

2 stops61h 46m

$1,268

San DiegoTamuning

SAN San Diego - GUM Tamuning Guam Intl

SANGUM

San Diego

Fri 10/16

7:27 pm-2:40 pm

2 stops50h 13m

Tamuning Guam Intl

Mon 10/19

4:40 pm-9:58 pm

2 stops46h 18m

$1,271

San DiegoTamuning

SAN San Diego - GUM Tamuning Guam Intl

SANGUM

San Diego

Sun 10/18

6:15 am-2:40 pm

2 stops39h 25m

Tamuning Guam Intl

Mon 10/26

4:45 pm-11:26 pm

2 stops47h 41m

$1,287

San DiegoTamuning

SAN San Diego - GUM Tamuning Guam Intl

SANGUM

San Diego

Fri 10/16

9:29 pm-2:40 pm

3 stops48h 11m

Tamuning Guam Intl

Mon 10/19

4:40 pm-9:58 pm

2 stops46h 18m

$1,341

San DiegoTamuning

SAN San Diego - GUM Tamuning Guam Intl

SANGUM

San Diego

Sun 10/18

6:15 am-2:40 pm

2 stops39h 25m

Tamuning Guam Intl

Mon 10/26

4:45 pm-5:10 pm

3 stops41h 25m

$1,342

San DiegoTamuning

SAN San Diego - GUM Tamuning Guam Intl

SANGUM

San Diego

Tue 12/8

6:20 am-7:00 pm

2 stops18h 40m

Tamuning Guam Intl

Tue 12/29

7:45 am-5:21 pm

2 stops27h 36m

$1,869

San DiegoTamuning

SAN San Diego - GUM Tamuning Guam Intl

SANGUM

San Diego

Wed 11/4

6:15 am-3:05 pm

2 stops38h 50m

Tamuning Guam Intl

Thu 11/12

2:40 am-5:45 pm

2 stops33h 05m

$1,955

San DiegoTamuning

SAN San Diego - GUM Tamuning Guam Intl

SANGUM

San Diego

Sun 10/18

7:41 pm-6:05 pm

2 stops29h 24m

Tamuning Guam Intl

Mon 10/26

7:45 am-12:56 pm

2 stops22h 11m

$2,129

San DiegoTamuning

SAN San Diego - GUM Tamuning Guam Intl

SANGUM

San Diego

Wed 11/4

2:30 pm-7:00 pm

2 stops34h 30m

Tamuning Guam Intl

Fri 11/13

7:45 am-6:37 pm

3 stops28h 52m

$2,191

Quickest round-trip

San DiegoTamuning

SAN San Diego - GUM Tamuning Guam Intl

SANGUM

San Diego

Tue 12/8

6:20 am-7:00 pm

3 stops18h 40m

Tamuning Guam Intl

Tue 12/29

7:45 am-1:43 pm

2 stops23h 58m

$2,278

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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 month to fly to Guam?

If you aren’t able to travel during the month of March, then book flights to Guam from San Diego during February instead. Flights to Guam in February, while not as cheap as those in March, still average around $2,178.

Cheap San Diego to Guam flight deals and tips

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

Best Price Found	$603
Fastest flight time	33h 15m
Direct flights	None

The best one-way flight to Guam from San Diego in the past 72 hours is $603. The best round-trip flight deal from San Diego to Guam found on momondo in the last 72 hours is $1,268.

The fastest flight from San Diego to Guam takes 33h 15m

There are no direct flights from San Diego to Guam. There are no popular flight routes from San Diego to Guam.

Search flight deals

Frequently asked questions about flying from San Diego to Guam

When did momondo last update prices for flights from San Diego Airport to Guam?
Prices for flights from San Diego Airport to Guam are updated daily.
How many operators does momondo search for flights from San Diego Airport to Guam?
As of September 2026, there are 2 operators available to choose from for flights from San Diego Airport to Guam.
How old do you have to be to fly from San Diego Airport to Guam?
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 San Diego Airport to Guam.
What documentation or ID do you need to fly to Guam?
The required travel and health documents for your Guam trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Guam. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Diego to Guam

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $1,427	Free Cancellation	Rating 7.8 8,567 reviews		Search Delta flights
United Airlines	PriceFrom $1,817	Free Cancellation	Rating 7.4 10,207 reviews		Search United Airlines flights

Why use momondo?

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

Finding the right flight to Guam from San Diego is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Guam quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Guam from San Diego which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between San Diego and Guam by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Guam, momondo offers a useful price alert feature which will track prices for flights to Guam from San Diego and alert you when they change.

An easier way to manage your Guam trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Flights to Tamuningfrom $1,104

Cheap flights from San Diego to Guam from $603

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Guam departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

Trusted and free

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Delta flights from San Diego to Guam

Our best Delta deals on San Diego to Guam flight tickets

United Airlines flights from San Diego to Guam

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

momondo Fare Finder

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

See travel insights to Guam from

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

What is the cheapest month to fly to Guam?

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

Cheap San Diego to Guam flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from San Diego to Guam

Best airlines flying from San Diego to Guam

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

Why use momondo?

An easier way to manage your Guam trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Guam

Popular cities in Guam

Popular flights according to clicks in the last 7 days on momondo

San Diego flight routes

According to popular flight searches on momondo this year

Guam flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Guam

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Guam

List of cabin classes available on flights landing in Guam. Availability may vary depending on flight origin and airline.

Complete your trip to Guam

Explore popular destinations other users love

According to popular flight searches on momondo this year