$1,297+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GUM
Nov 24 — Dec 11
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 October 25, 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 October 25, 2026.
This Delta deal was found by Cheapflights users on 10/21. 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.
Mon 11/96:00 am -
2 stops41h 05m
Mon 11/164:50 pm -
2 stops44h 52m
Deal found 10/21![Delta logo]()
$2,055
This Delta deal was found by Cheapflights users on 10/20. 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.
Fri 12/46:00 am -
2 stops41h 05m
Thu 12/102:40 am -
2 stops26h 50m
Deal found 10/20![Delta logo]()
$2,155
This Delta deal was found by Cheapflights users on 10/21. 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.
Fri 11/207:08 am -
2 stops25h 52m
Thu 11/262:40 am -
2 stops29h 07m
Deal found 10/21![Delta logo]()
$2,220
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/206:15 am -
2 stops20h 45m
Fri 11/277:45 am -
3 stops26h 20m
Deal found 10/21![United Airlines logo]()
$2,329
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/227:18 am -
2 stops43h 42m
Mon 12/287:45 am -
2 stops25h 15m
Deal found 10/23![United Airlines logo]()
$2,399
This United Airlines deal was found by Cheapflights users on 10/21. 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 10/21![United Airlines logo]()
$2,429
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/46:30 am -
3 stops23h 15m
Fri 12/117:45 am -
2 stops21h 08m
Deal found 10/20![United Airlines logo]()
$3,741
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 October 25, 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 October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. 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 2/286:00 am -
3 stops65h 45m
Thu 3/47:45 am -
2 stops21h 07m
Deal found 10/21![United Airlines logo]()
$1,297
This Delta deal was found by Cheapflights users on 10/21. 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.
Tue 11/176:13 am -
2 stops40h 52m
Mon 11/232:40 am -
2 stops35h 02m
Deal found 10/21![Delta logo]()
$2,055
This United Airlines deal was found by Cheapflights users on 10/22. 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 4/66:15 am -
2 stops20h 50m
Tue 4/137:10 am -
2 stops20h 33m
Deal found 10/22![United Airlines logo]()
$1,919
This Delta deal was found by Cheapflights users on 10/23. 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.
Mon 11/96:00 am -
2 stops41h 05m
Mon 11/164:50 pm -
2 stops44h 52m
Deal found 10/23![Delta logo]()
$2,055
This United Airlines deal was found by Cheapflights users on 10/24. 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 4/126:15 am -
2 stops20h 50m
Tue 4/277:10 am -
2 stops28h 49m
Deal found 10/24![United Airlines logo]()
$1,919
This Delta deal was found by Cheapflights users on 10/20. 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.
Fri 12/46:00 am -
2 stops41h 05m
Thu 12/102:40 am -
2 stops26h 50m
Deal found 10/20![Delta logo]()
$2,155
This United Airlines deal was found by Cheapflights users on 10/22. 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 2/136:10 am -
2 stops20h 50m
Sat 2/207:45 am -
2 stops25h 01m
Deal found 10/22![United Airlines logo]()
$2,019
Last-minute flights from St. Louis to GuamDiscover last-minute flight deals from St. Louis to Guam. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Guam. Data last updated October 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/21. 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.
Mon 11/96:00 am -
2 stops41h 05m
Mon 11/164:50 pm -
2 stops44h 52m
Deal found 10/21![Delta logo]()
$2,055
This United Airlines deal was found by Cheapflights users on 10/21. 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 10/21![United Airlines logo]()
$2,429
This Delta deal was found by Cheapflights users on 10/21. 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.
Fri 11/207:08 am -
2 stops25h 52m
Thu 11/262:40 am -
2 stops29h 07m
Deal found 10/21![Delta logo]()
$2,220
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/206:15 am -
2 stops20h 45m
Fri 11/277:45 am -
3 stops26h 20m
Deal found 10/21![United Airlines logo]()
$2,329
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 October 25, 2026.
Round-trip from | $1,297 (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 October 25, 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
Sun 2/28
6:00 am-3:45 pm
3 stops65h 45m
Tamuning Guam Intl
Thu 3/4
7:45 am-12:52 pm
2 stops21h 07m
$1,297
Quickest round-trip
St. LouisTamuning
STL Lambert-St Louis - GUM Tamuning Guam Intl
STLGUM
Lambert-St Louis
Tue 4/6
6:15 am-6:05 pm
2 stops20h 50m
Tamuning Guam Intl
Tue 4/13
7:10 am-12:43 pm
2 stops20h 33m
$1,919
St. LouisTamuning
STL Lambert-St Louis - GUM Tamuning Guam Intl
STLGUM
Lambert-St Louis
Mon 4/12
6:15 am-6:05 pm
2 stops20h 50m
Tamuning Guam Intl
Tue 4/27
7:10 am-8:59 pm
2 stops28h 49m
$1,919
St. LouisTamuning
STL Lambert-St Louis - GUM Tamuning Guam Intl
STLGUM
Lambert-St Louis
Sat 2/13
6:10 am-7:00 pm
2 stops20h 50m
Tamuning Guam Intl
Sat 2/20
7:45 am-4:46 pm
2 stops25h 01m
$2,019
St. LouisTamuning
STL Lambert-St Louis - GUM Tamuning Guam Intl
STLGUM
Lambert-St Louis
Tue 11/17
6:13 am-3:05 pm
2 stops40h 52m
Tamuning Guam Intl
Mon 11/23
2:40 am-9:42 pm
2 stops35h 02m
$2,055
St. LouisTamuning
STL Lambert-St Louis - GUM Tamuning Guam Intl
STLGUM
Lambert-St Louis
Mon 11/9
6:00 am-3:05 pm
2 stops41h 05m
Tamuning Guam Intl
Mon 11/16
4:50 pm-9:42 pm
2 stops44h 52m
$2,055
St. LouisTamuning
STL Lambert-St Louis - GUM Tamuning Guam Intl
STLGUM
Lambert-St Louis
Fri 12/4
6:00 am-3:05 pm
2 stops41h 05m
Tamuning Guam Intl
Thu 12/10
2:40 am-1:30 pm
2 stops26h 50m
$2,155
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