$1,542+ Cheap flights from Houston to Guam
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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — GUM
Aug 9 — Aug 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Houston to Guam 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 Houston to Guam
Cheapest
Best
Last-minute
One-way
Cheapest flights from Houston to GuamExplore the most affordable flight options available from Houston to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 10, 2026.
Explore the most affordable flight options available from Houston to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 10, 2026.
This United Airlines deal was found by Cheapflights users on 7/7. 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 9/126:00 am
IAH
- GUM
2 stops21h 05m
United Airlines
Sat 9/197:15 am
GUM
- IAH
2 stops30h 30m
United Airlines
Deal found 7/7![United Airlines logo]()
$2,089
This United Airlines deal was found by Cheapflights users on 7/6. 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.
Thu 7/910:10 am
IAH
- GUM
1 stop16h 55m
United Airlines
Sat 7/117:05 am
GUM
- IAH
2 stops27h 05m
United Airlines
Deal found 7/6![United Airlines logo]()
$2,211
This United Airlines deal was found by Cheapflights users on 7/9. 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.
Thu 9/175:00 am
IAH
- GUM
2 stops22h 05m
United Airlines
Mon 9/217:10 am
GUM
- IAH
2 stops18h 58m
United Airlines
Deal found 7/9![United Airlines logo]()
$2,229
This United Airlines deal was found by Cheapflights users on 7/9. 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 12/29:35 am
IAH
- GUM
1 stop17h 25m
United Airlines
Sun 12/64:55 pm
GUM
- IAH
1 stop37h 55m
United Airlines
Deal found 7/9![United Airlines logo]()
$2,258
This United Airlines deal was found by Cheapflights users on 7/7. 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 9/1910:15 am
IAH
- GUM
1 stop16h 50m
United Airlines
Wed 9/237:10 am
GUM
- IAH
1 stop16h 27m
United Airlines
Deal found 7/7![United Airlines logo]()
$2,279
This United Airlines deal was found by Cheapflights users on 7/6. 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 8/108:15 pm
IAH
- GUM
2 stops30h 50m
United Airlines
Mon 8/177:05 am
GUM
- IAH
1 stop16h 32m
United Airlines
Deal found 7/6![United Airlines logo]()
$2,359
This United Airlines deal was found by Cheapflights users on 7/8. 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 8/78:10 pm
IAH
- GUM
2 stops30h 55m
United Airlines
Fri 8/147:05 am
GUM
- IAH
2 stops28h 25m
United Airlines
Deal found 7/8![United Airlines logo]()
$2,459
This Delta deal was found by Cheapflights users on 7/6. 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 7/1210:40 am
HOU
- GUM
2 stops46h 15m
Delta
Sat 7/182:00 am
GUM
- HOU
2 stops46h 45m
Delta
Deal found 7/6![Delta logo]()
$2,783
This Delta deal was found by Cheapflights users on 7/8. 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 8/56:00 am
HOU
- GUM
2 stops26h 55m
Delta
Tue 8/112:00 am
GUM
- HOU
2 stops46h 50m
Delta
Deal found 7/8![Delta logo]()
$8,328
Best flights from Houston to GuamDiscover carefully curated flight deals from Houston to Guam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 10, 2026.
Discover carefully curated flight deals from Houston to Guam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 10, 2026.
This United Airlines deal was found by Cheapflights users on 7/9. 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.
Thu 9/1710:15 am
IAH
- GUM
1 stop16h 50m
United Airlines
Mon 9/217:10 am
GUM
- IAH
2 stops21h 30m
United Airlines
Deal found 7/9![United Airlines logo]()
$2,229
This United Airlines deal was found by Cheapflights users on 7/9. 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 12/29:35 am
IAH
- GUM
1 stop17h 25m
United Airlines
Sun 12/64:55 pm
GUM
- IAH
1 stop37h 55m
United Airlines
Deal found 7/9![United Airlines logo]()
$2,258
This United Airlines deal was found by Cheapflights users on 7/5. 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 9/1910:15 am
IAH
- GUM
1 stop16h 50m
United Airlines
Wed 9/237:10 am
GUM
- IAH
1 stop16h 27m
United Airlines
Deal found 7/5![United Airlines logo]()
$2,279
This Delta deal was found by Cheapflights users on 7/8. 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 8/56:00 am
HOU
- GUM
2 stops26h 55m
Delta
Tue 8/112:00 am
GUM
- HOU
2 stops46h 50m
Delta
Deal found 7/8![Delta logo]()
$8,328
Last-minute flights from Houston to GuamDiscover last-minute flight deals from Houston to Guam. Data last updated July 10, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Guam. Data last updated July 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/6. 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.
Thu 7/910:10 am
IAH
- GUM
1 stop16h 55m
United Airlines
Sat 7/117:05 am
GUM
- IAH
2 stops27h 05m
United Airlines
Deal found 7/6![United Airlines logo]()
$2,211
This United Airlines deal was found by Cheapflights users on 7/6. 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 7/1210:10 am
IAH
- GUM
1 stop16h 55m
United Airlines
Sun 7/197:30 pm
GUM
- IAH
2 stops40h 20m
United Airlines
Deal found 7/6![United Airlines logo]()
$2,595
This Delta deal was found by Cheapflights users on 7/6. 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 7/1210:40 am
HOU
- GUM
2 stops46h 15m
Delta
Sat 7/182:00 am
GUM
- HOU
2 stops46h 45m
Delta
Deal found 7/6![Delta logo]()
$2,783
This United Airlines deal was found by Cheapflights users on 7/6. 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 7/1510:10 am
IAH
- GUM
1 stop16h 55m
United Airlines
Wed 7/227:05 am
GUM
- IAH
2 stops26h 34m
United Airlines
Deal found 7/6![United Airlines logo]()
$2,929
This United Airlines deal was found by Cheapflights users on 7/9. 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 7/2910:10 am
IAH
- GUM
1 stop16h 55m
United Airlines
Mon 8/37:15 am
GUM
- IAH
2 stops28h 25m
United Airlines
Deal found 7/9![United Airlines logo]()
$2,949
This United Airlines deal was found by Cheapflights users on 7/6. 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 8/310:10 am
IAH
- GUM
1 stop16h 55m
United Airlines
Mon 8/107:05 am
GUM
- IAH
2 stops28h 44m
United Airlines
Deal found 7/6![United Airlines logo]()
$2,529
This Delta deal was found by Cheapflights users on 7/8. 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 8/56:00 am
HOU
- GUM
2 stops26h 55m
Delta
Tue 8/112:00 am
GUM
- HOU
2 stops46h 50m
Delta
Deal found 7/8![Delta logo]()
$8,328
This United Airlines deal was found by Cheapflights users on 7/8. 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 8/76:00 am
IAH
- GUM
2 stops21h 05m
United Airlines
Fri 8/147:05 am
GUM
- IAH
1 stop16h 32m
United Airlines
Deal found 7/8![United Airlines logo]()
$2,459
This United Airlines deal was found by Cheapflights users on 7/6. 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 8/105:22 am
IAH
- GUM
2 stops21h 43m
United Airlines
Mon 8/177:05 am
GUM
- IAH
2 stops21h 35m
United Airlines
Deal found 7/6![United Airlines logo]()
$2,359
One-way flights from Houston to GuamSearch for one-way flight options from Houston to Guam. Find affordable one-way fares based on user searches. Data last updated July 10, 2026.
Search for one-way flight options from Houston to Guam. Find affordable one-way fares based on user searches. Data last updated July 10, 2026.
This Delta deal was found by Cheapflights users on 7/5. 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 8/122:37 pm
IAH
- GUM
2 stops33h 58m
Delta
Deal found 7/5![Delta logo]()
$1,542
This United Airlines deal was found by Cheapflights users on 7/5. 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 8/128:08 pm
IAH
- GUM
3 stops30h 57m
United Airlines
Deal found 7/5![United Airlines logo]()
$1,682
This United Airlines deal was found by Cheapflights users on 7/9. 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 8/16:03 pm
IAH
- GUM
2 stops33h 02m
United Airlines
Deal found 7/9![United Airlines logo]()
$1,732
This United Airlines deal was found by Cheapflights users on 7/8. 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 7/2510:08 pm
IAH
- GUM
2 stops28h 57m
United Airlines
Deal found 7/8![United Airlines logo]()
$3,991
Find flight deals from Houston to Guam
Keep the following information in mind while searching for Houston to Guam flight deals. Data was last updated July 10, 2026.
Round-trip from | $2,089 (United Airlines) |
|---|---|
One-way from | $1,542 (Delta) |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 10, 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
Cheapest round-trip
HoustonTamuning
IAH - GUM
IAHGUM
Houston George Bush Intcntl
Thu 9/17
10:15 am-6:05 pm
1 stop16h 50m
Tamuning Guam Intl
Mon 9/21
7:10 am-1:40 pm
2 stops21h 30m
$2,229
HoustonTamuning
IAH - GUM
IAHGUM
Houston George Bush Intcntl
Wed 12/2
9:35 am-7:00 pm
1 stop17h 25m
Tamuning Guam Intl
Sun 12/6
4:55 pm-2:50 pm
1 stop37h 55m
$2,258
Quickest round-trip
HoustonTamuning
IAH - GUM
IAHGUM
Houston George Bush Intcntl
Sat 9/19
10:15 am-6:05 pm
1 stop16h 50m
Tamuning Guam Intl
Wed 9/23
7:10 am-8:37 am
1 stop16h 27m
$2,279
HoustonTamuning
HOU - GUM
HOUGUM
Houston Hobby
Wed 8/5
6:00 am-11:55 pm
2 stops26h 55m
Tamuning Guam Intl
Tue 8/11
2:00 am-9:50 am
2 stops46h 50m
$8,328
Cheapest one-way
HoustonTamuning
IAH - GUM
IAHGUM
Houston George Bush Intcntl
Wed 8/12
2:37 pm-3:35 pm
2 stops33h 58m
$1,542
Quickest one-way
HoustonTamuning
IAH - GUM
IAHGUM
Houston George Bush Intcntl
Wed 8/12
10:15 am-6:05 pm
1 stop16h 50m
$1,682
HoustonTamuning
IAH - GUM
IAHGUM
Houston George Bush Intcntl
Sat 8/1
10:40 am-9:45 pm
1 stop20h 05m
$1,746
HoustonTamuning
IAH - GUM
IAHGUM
Houston George Bush Intcntl
Sat 7/25
10:08 pm-6:05 pm
2 stops28h 57m
$3,991
Sorted by cheapest first
Best time to book a flight from Houston to Guam
Have a flexible travel schedule? Discover the best time to fly to Guam from Houston with our price prediction graph.
IAH-GUM
HOU-GUM
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 Houston to Guam
HO1-GU0
IAH-GUM
HOU-GUM
No data available for this route at this time. Please check back soon.
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 July 10, 2026.
Read through reviews of airlines operating flights from Houston to Guam, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Crew
8.1
Food
6.7
Boarding
7.7
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Comfort
7.3
Crew
8.1
Food
6.7
Boarding
7.7
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Related info for your journey
Find useful and relevant information for your journey from Houston to Guam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Houston to Guam
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Guam by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Houston to Guam by cabin class
Find flights from Houston to Guam, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Houston and Guam flights
Browse other Houston and Guam flight options. Last updated on July 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Houston to Guam flights
Consider these flights traveling from Houston to Guam.
Top airline flying from Houston to Guam
Discover the top airline that operate flights from Houston 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 July 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,994 | Average$2,228 | FlexibilityNo cancel fee | On-time69% |