$1,570+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GUM
Oct 15 — Oct 221
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 September 15, 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 September 15, 2026.
This Priceline deal was found by Cheapflights users on 9/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:02 am -
2 stops40h 38m
Mon 10/194:40 pm -
2 stops46h 19m
Deal found 9/12![Alaska Airlines logo]()
$1,570
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/10![United Airlines logo]()
$1,919
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/308:35 am -
2 stops64h 15m
Sun 10/47:10 am -
2 stops30h 20m
Deal found 9/11![United Airlines logo]()
$2,019
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 11/97:00 am -
2 stops39h 45m
Mon 11/164:45 pm -
2 stops61h 40m
Deal found 9/11![Alaska Airlines logo]()
$2,039
This United Airlines deal was found by Cheapflights users on 9/12. 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 12/215:20 am -
3 stops45h 40m
Wed 12/307:45 am -
2 stops29h 23m
Deal found 9/12![United Airlines logo]()
$2,061
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Tue 12/226:15 am -
2 stops20h 45m
Tue 12/297:45 am -
2 stops24h 41m
Deal found 9/12![United Airlines logo]()
$2,128
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 September 15, 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 September 15, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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 1/206:15 am -
2 stops20h 45m
Wed 1/277:45 am -
2 stops26h 53m
Deal found 9/9![United Airlines logo]()
$1,919
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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.
Mon 11/97:00 am -
2 stops39h 45m
Mon 11/164:45 pm -
2 stops61h 40m
Deal found 9/12![Alaska Airlines logo]()
$2,039
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 9/10![Multiple Airlines logo]()
$2,598
This United Airlines deal was found by Cheapflights users on 9/12. 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 12/215:07 pm -
2 stops33h 53m
Wed 12/307:45 am -
2 stops29h 23m
Deal found 9/12![United Airlines logo]()
$2,019
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Tue 12/226:15 am -
2 stops20h 45m
Tue 12/297:45 am -
2 stops24h 41m
Deal found 9/12![United Airlines logo]()
$2,128
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/308:35 am -
2 stops64h 15m
Sun 10/47:10 am -
2 stops30h 20m
Deal found 9/12![United Airlines logo]()
$2,424
Last-minute flights from St. Louis to GuamDiscover last-minute flight deals from St. Louis to Guam. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Guam. Data last updated September 15, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/308:35 am -
2 stops64h 15m
Sun 10/47:10 am -
2 stops30h 20m
Deal found 9/11![United Airlines logo]()
$2,019
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 9/10![Multiple Airlines logo]()
$2,598
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/86:15 am -
2 stops20h 50m
Sun 10/117:10 am -
2 stops28h 06m
Deal found 9/12![United Airlines logo]()
$2,879
This Priceline deal was found by Cheapflights users on 9/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:02 am -
2 stops40h 38m
Mon 10/194:40 pm -
2 stops46h 19m
Deal found 9/12![Alaska Airlines logo]()
$1,570
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/127:08 am -
2 stops19h 57m
Mon 10/197:10 am -
3 stops26h 33m
Deal found 9/12![United Airlines logo]()
$2,229
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 September 15, 2026.
Round-trip from | $1,570 (Priceline) |
|---|
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 September 15, 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 1/20
6:15 am-7:00 pm
2 stops20h 45m
Tamuning Guam Intl
Wed 1/27
7:45 am-6:38 pm
2 stops26h 53m
$1,919
St. LouisTamuning
STL Lambert-St Louis - GUM Tamuning Guam Intl
STLGUM
Lambert-St Louis
Mon 12/21
5:07 pm-7:00 pm
2 stops33h 53m
Tamuning Guam Intl
Wed 12/30
7:45 am-9:08 pm
2 stops29h 23m
$2,019
St. LouisTamuning
STL Lambert-St Louis - GUM Tamuning Guam Intl
STLGUM
Lambert-St Louis
Mon 11/9
7:00 am-2:45 pm
2 stops39h 45m
Tamuning Guam Intl
Mon 11/16
4:45 pm-2:25 pm
2 stops61h 40m
$2,039
Quickest round-trip
St. LouisTamuning
STL Lambert-St Louis - GUM Tamuning Guam Intl
STLGUM
Lambert-St Louis
Tue 12/22
6:15 am-7:00 pm
2 stops20h 45m
Tamuning Guam Intl
Tue 12/29
7:45 am-4:26 pm
2 stops24h 41m
$2,128
St. LouisTamuning
STL Lambert-St Louis - GUM Tamuning Guam Intl
STLGUM
Lambert-St Louis
Wed 9/30
8:35 am-3:50 pm
2 stops64h 15m
Tamuning Guam Intl
Sun 10/4
7:10 am-10:30 pm
2 stops30h 20m
$2,424
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
$2,598
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.
Related info for your journey
Find useful and relevant information for your journey from St. Louis 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