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Cheap flights from Houston to Guam from $1,637

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Guam departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Guam

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:34 pm - 2:35 pm
IAH
-
GUM
57h 01m
2 stops
Multiple Airlines Logo
4:35 pm - 11:59 pm
GUM
-
IAH
46h 24m
2 stops
$1,637Multiple Airlines
Tue, Sep 1 - Tue, Sep 15
Multiple Airlines Logo
7:02 am - 2:35 pm
IAH
-
GUM
40h 33m
2 stops
Multiple Airlines Logo
4:35 pm - 11:59 pm
GUM
-
IAH
46h 24m
2 stops
$1,723Multiple Airlines
Wed, Aug 26 - Wed, Sep 2
Delta Logo
3:09 pm - 11:55 pm
HOU
-
GUM
41h 46m
2 stops
Delta Logo
2:00 am - 11:03 pm
GUM
-
HOU
36h 03m
2 stops
$1,834Delta
Tue, Oct 6 - Mon, Oct 12
Delta Logo
3:09 pm - 3:35 pm
HOU
-
GUM
33h 26m
2 stops
Delta Logo
5:20 pm - 11:03 pm
GUM
-
HOU
44h 43m
2 stops
$1,834Delta
Tue, Oct 13 - Tue, Oct 20
Delta Logo
6:00 am - 11:55 pm
IAH
-
GUM
26h 55m
2 stops
Delta Logo
5:20 pm - 11:55 pm
GUM
-
IAH
45h 35m
2 stops
$1,834Delta
Tue, Oct 13 - Tue, Oct 20
Delta Logo
6:20 pm - 3:35 pm
IAH
-
GUM
30h 15m
2 stops
Delta Logo
5:20 pm - 11:55 pm
GUM
-
IAH
45h 35m
2 stops
$1,834Delta
Tue, Oct 6 - Tue, Oct 13
United Airlines Logo
10:15 am - 6:05 pm
IAH
-
GUM
16h 50m
1 stop
United Airlines Logo
7:10 am - 8:37 am
GUM
-
IAH
16h 27m
1 stop
$1,919United Airlines
Tue, Oct 6 - Tue, Oct 13
United Airlines Logo
10:15 am - 6:05 pm
IAH
-
GUM
16h 50m
1 stop
United Airlines Logo
7:10 am - 10:11 pm
GUM
-
IAH
30h 01m
2 stops
$1,919United Airlines
Tue, Oct 6 - Tue, Oct 13
United Airlines Logo
10:15 am - 6:05 pm
IAH
-
GUM
16h 50m
1 stop
United Airlines Logo
7:10 am - 2:56 pm
GUM
-
IAH
22h 46m
2 stops
$1,919United Airlines
Tue, Oct 13 - Tue, Oct 20
United Airlines Logo
10:15 am - 6:05 pm
IAH
-
GUM
16h 50m
1 stop
United Airlines Logo
7:10 am - 8:37 am
GUM
-
IAH
16h 27m
1 stop
$1,919United Airlines
Tue, Oct 13 - Tue, Oct 20

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United Airlines flights from Houston to Guam

Our best United Airlines deals on Houston to Guam flight tickets
United Airlines
Oct 6
IAH10:15 amHouston George Bush Intcntl
16h 50m
1 stop
GUM6:05 pmTamuning Guam Intl
Oct 13
GUM7:10 amTamuning Guam Intl
30h 01m
2 stops
IAH10:11 pmHouston George Bush Intcntl
$1,919
United Airlines
Oct 2
IAH5:00 amHouston George Bush Intcntl
22h 05m
2 stops
GUM6:05 pmTamuning Guam Intl
Oct 11
GUM7:35 pmTamuning Guam Intl
40h 12m
2 stops
IAH8:47 pmHouston George Bush Intcntl
$1,993
United Airlines
Oct 2
IAH10:15 amHouston George Bush Intcntl
16h 50m
1 stop
GUM6:05 pmTamuning Guam Intl
Oct 11
GUM5:00 pmTamuning Guam Intl
36h 55m
1 stop
IAH2:55 pmHouston George Bush Intcntl
$1,998

Delta flights from Houston to Guam

Our best Delta deals on Houston to Guam flight tickets
Delta
Oct 6
HOU3:09 pmHouston Hobby
41h 46m
2 stops
GUM11:55 pmTamuning Guam Intl
Oct 12
GUM2:00 amTamuning Guam Intl
36h 03m
2 stops
HOU11:03 pmHouston Hobby
$1,834
Delta
Sep 17
IAH6:10 amHouston George Bush Intcntl
26h 45m
2 stops
GUM11:55 pmTamuning Guam Intl
Sep 29
GUM2:00 amTamuning Guam Intl
34h 57m
2 stops
IAH9:57 pmHouston George Bush Intcntl
$1,934
Delta
Sep 1
HOU1:13 pmHouston Hobby
35h 22m
2 stops
GUM3:35 pmTamuning Guam Intl
Sep 15
GUM5:20 pmTamuning Guam Intl
44h 19m
2 stops
HOU10:39 pmHouston Hobby
$1,984

momondo Fare Finder

 
Customize your flight search to find flights from Houston 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, momondo users made 832,500 searches. Data last updated July 29, 2026.
Use the filters below to find and compare flights from Houston to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

Tue 9/1

2:34 pm-2:35 pm

2 stops57h 01m

Tamuning Guam Intl

Tue 9/15

4:35 pm-11:59 pm

2 stops46h 24m

$1,637

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

Wed 8/26

7:02 am-2:35 pm

2 stops40h 33m

Tamuning Guam Intl

Wed 9/2

4:35 pm-11:59 pm

2 stops46h 24m

$1,723

HoustonTamuning

HOU - GUM

HOUGUM

Houston Hobby

Tue 10/6

3:09 pm-11:55 pm

2 stops41h 46m

Tamuning Guam Intl

Mon 10/12

2:00 am-11:03 pm

2 stops36h 03m

$1,834

HoustonTamuning

HOU - GUM

HOUGUM

Houston Hobby

Tue 10/13

3:09 pm-3:35 pm

2 stops33h 26m

Tamuning Guam Intl

Tue 10/20

5:20 pm-11:03 pm

2 stops44h 43m

$1,834

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

Tue 10/13

6:00 am-11:55 pm

2 stops26h 55m

Tamuning Guam Intl

Tue 10/20

5:20 pm-11:55 pm

2 stops45h 35m

$1,834

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

Tue 10/6

6:20 pm-3:35 pm

2 stops30h 15m

Tamuning Guam Intl

Tue 10/13

5:20 pm-11:55 pm

2 stops45h 35m

$1,834
Quickest round-trip

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

Tue 10/6

10:15 am-6:05 pm

1 stop16h 50m

Tamuning Guam Intl

Tue 10/13

7:10 am-8:37 am

1 stop16h 27m

$1,919

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

Tue 10/6

10:15 am-6:05 pm

1 stop16h 50m

Tamuning Guam Intl

Tue 10/13

7:10 am-10:11 pm

2 stops30h 01m

$1,919

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

Tue 10/13

10:15 am-6:05 pm

1 stop16h 50m

Tamuning Guam Intl

Tue 10/20

7:10 am-2:56 pm

2 stops22h 46m

$1,919

HoustonTamuning

IAH - GUM

IAHGUM

Houston George Bush Intcntl

Tue 10/13

10:15 am-6:05 pm

1 stop16h 50m

Tamuning Guam Intl

Tue 10/20

7:10 am-8:37 am

1 stop16h 27m

$1,919

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Houston to Guam flight deals and tips

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

Fastest flight time

16h 50m

Direct flights

None
The fastest flight from Houston to Guam takes 16h 50m
There are no direct flights from Houston to Guam. There are no popular flight routes from Houston to Guam.
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Frequently asked questions about flying from Houston to Guam

  • When did momondo last update prices for flights from Houston to Guam?

    Prices for flights from Houston to Guam are updated daily.

  • How many operators does momondo search for flights from Houston to Guam?

  • How old do you have to be to fly from Houston 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 Houston to Guam.

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

    The necessary travel and health documents for your Guam trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston to Guam

Compare and see reviews for airlines that fly from Houston to Guam with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $1,994Free CancellationRating
7.4
10,048 reviews
Search United Airlines flights

Frequently asked questions about flying from Houston to Guam

  • How do I get Price Alerts for flights from Houston to Guam?

    Confirm your travel details to search for the latest offers for flights from Houston to Guam. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Houston to Guam with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to Guam. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Houston to Guam 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 Houston to Guam?

momondo provides multiple filters to help you find the best flight to Guam from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Guam from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Popular cities in Guam

Popular flights according to clicks in the last 7 days on momondo
Flights to Tamuningfrom $980