$1,603+ Cheap flights from St. Louis (STL) 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GUM
Sep 29 — Oct 61
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis 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 St. Louis to Guam
Cheapest
Best
Last-minute
Cheapest flights from St. Louis to GuamExplore the most affordable flight options available from St. Louis to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 30, 2026.
Explore the most affordable flight options available from St. Louis to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 30, 2026.
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/303:12 pm -
2 stops57h 38m
Sun 10/47:10 am -
2 stops30h 20m
Deal found 8/28![United Airlines logo]()
$1,603
This United Airlines deal was found by Cheapflights users on 8/29. 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 10/97:08 am -
2 stops41h 37m
Mon 10/127:10 am -
2 stops50h 33m
Deal found 8/29![United Airlines logo]()
$1,608
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:29 am -
2 stops41h 06m
Thu 10/14:40 pm -
2 stops46h 19m
Deal found 8/27![Multiple Airlines logo]()
$1,667
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:29 am -
2 stops41h 11m
Sun 10/44:40 pm -
2 stops46h 19m
Deal found 8/26![Multiple Airlines logo]()
$1,694
This United Airlines deal was found by Cheapflights users on 8/28. 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 11/95:00 am -
2 stops22h 00m
Mon 11/167:45 am -
3 stops26h 20m
Deal found 8/28![United Airlines logo]()
$1,919
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/246:15 am -
2 stops20h 50m
Thu 10/17:10 am -
3 stops26h 33m
Deal found 8/27![United Airlines logo]()
$2,429
This Orbitz deal was found by Cheapflights users on 8/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:35 am -
2 stops41h 00m
Thu 9/34:35 pm -
2 stops46h 24m
Deal found 8/28![Multiple Airlines logo]()
$2,823
Best flights from St. Louis to GuamDiscover carefully curated flight deals from St. Louis to Guam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 30, 2026.
Discover carefully curated flight deals from St. Louis to Guam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 30, 2026.
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/303:12 pm -
2 stops57h 38m
Sun 10/47:10 am -
2 stops30h 20m
Deal found 8/28![United Airlines logo]()
$1,603
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:29 am -
2 stops41h 06m
Thu 10/14:40 pm -
2 stops46h 19m
Deal found 8/27![Multiple Airlines logo]()
$1,667
This United Airlines deal was found by Cheapflights users on 8/29. 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 10/97:08 am -
2 stops41h 37m
Mon 10/127:10 am -
3 stops50h 33m
Deal found 8/29![United Airlines logo]()
$1,613
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:29 am -
2 stops41h 11m
Sun 10/44:40 pm -
2 stops46h 19m
Deal found 8/25![Multiple Airlines logo]()
$1,694
This United Airlines deal was found by Cheapflights users on 8/26. 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 11/96:00 am -
2 stops21h 00m
Mon 11/167:45 am -
2 stops30h 30m
Deal found 8/26![United Airlines logo]()
$1,919
This United Airlines deal was found by Cheapflights users on 8/27. 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 11/166:00 am -
2 stops21h 00m
Mon 11/237:45 am -
3 stops26h 20m
Deal found 8/27![United Airlines logo]()
$1,919
Last-minute flights from St. Louis to GuamDiscover last-minute flight deals from St. Louis to Guam. Data last updated August 30, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Guam. Data last updated August 30, 2026 and is based on user searches.
This Orbitz deal was found by Cheapflights users on 8/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:35 am -
2 stops41h 00m
Thu 9/34:35 pm -
2 stops46h 24m
Deal found 8/28![Multiple Airlines logo]()
$2,823
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:29 am -
2 stops41h 06m
Thu 10/14:40 pm -
2 stops46h 19m
Deal found 8/27![Multiple Airlines logo]()
$1,667
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/246:15 am -
2 stops20h 50m
Thu 10/17:10 am -
3 stops26h 33m
Deal found 8/27![United Airlines logo]()
$2,429
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/303:12 pm -
2 stops57h 38m
Sun 10/47:10 am -
2 stops30h 20m
Deal found 8/28![United Airlines logo]()
$1,603
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:29 am -
2 stops41h 11m
Sun 10/44:40 pm -
2 stops46h 19m
Deal found 8/26![Multiple Airlines logo]()
$1,694
Find flight deals from St. Louis to Guam
Keep the following information in mind while searching for St. Louis to Guam flight deals. Data was last updated August 30, 2026.
Round-trip from | $1,603 (United Airlines) |
|---|
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis 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 7,457,451 searches. Data last updated August 30, 2026.
Use the filters below to find and compare flights from St. Louis to Guam that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisTamuning
STL Lambert-St Louis - GUM Tamuning Guam Intl
STLGUM
Lambert-St Louis
Wed 9/30
3:12 pm-3:50 pm
2 stops57h 38m
Tamuning Guam Intl
Sun 10/4
7:10 am-10:30 pm
2 stops30h 20m
$1,603
St. LouisTamuning
STL Lambert-St Louis - GUM Tamuning Guam Intl
STLGUM
Lambert-St Louis
Fri 10/9
7:08 am-3:45 pm
2 stops41h 37m
Tamuning Guam Intl
Mon 10/12
7:10 am-6:43 pm
3 stops50h 33m
$1,613
St. LouisTamuning
STL Lambert-St Louis - GUM Tamuning Guam Intl
STLGUM
Lambert-St Louis
Thu 9/24
6:29 am-2:35 pm
2 stops41h 06m
Tamuning Guam Intl
Thu 10/1
4:40 pm-11:59 pm
2 stops46h 19m
$1,667
St. LouisTamuning
STL Lambert-St Louis - GUM Tamuning Guam Intl
STLGUM
Lambert-St Louis
Wed 9/30
6:29 am-2:40 pm
2 stops41h 11m
Tamuning Guam Intl
Sun 10/4
4:40 pm-11:59 pm
2 stops46h 19m
$1,694
St. LouisTamuning
STL Lambert-St Louis - GUM Tamuning Guam Intl
STLGUM
Lambert-St Louis
Mon 11/9
6:00 am-7:00 pm
2 stops21h 00m
Tamuning Guam Intl
Mon 11/16
7:45 am-10:15 pm
2 stops30h 30m
$1,919
Quickest round-trip
St. LouisTamuning
STL Lambert-St Louis - GUM Tamuning Guam Intl
STLGUM
Lambert-St Louis
Mon 11/16
6:00 am-7:00 pm
2 stops21h 00m
Tamuning Guam Intl
Mon 11/23
7:45 am-6:05 pm
3 stops26h 20m
$1,919
Sorted by cheapest first
Best time to book a flight from St. Louis to Guam
Have a flexible travel schedule? Discover the best time to fly to Guam from St. Louis with our price prediction graph.
STL-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 St. Louis to Guam
STL-GU0
STL-GUM
No data available for this route at this time. Please check back soon.
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