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Guam

$1,536+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GUM
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
1 adult, Economy
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Cheap flight deals from St. Louis to Guam

Cheapest flights from St. Louis to Guam
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 enero 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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.
sáb. 9/58:50 am
STL
-
GUM
2 stops64h 00m
United Airlines
mié. 9/97:10 am
GUM
-
STL
2 stops29h 56m
United Airlines
Deal found 1/26$1,536
This United Airlines deal was found by Cheapflights users on 1/28. 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.
mié. 2/116:00 am
STL
-
GUM
2 stops21h 05m
United Airlines
jue. 2/197:40 am
GUM
-
STL
2 stops21h 34m
United Airlines
Deal found 1/28$2,429
This United Airlines deal was found by Cheapflights users on 1/28. 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.
sáb. 3/142:50 pm
STL
-
GUM
2 stops61h 00m
United Airlines
sáb. 3/217:25 am
GUM
-
STL
2 stops29h 31m
United Airlines
Deal found 1/28$2,685
This United Airlines deal was found by Cheapflights users on 1/28. 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.
dom. 2/16:45 am
STL
-
GUM
2 stops40h 55m
United Airlines
mar. 2/37:55 pm
GUM
-
STL
2 stops35h 42m
United Airlines
Deal found 1/28$2,918
This United Airlines deal was found by Cheapflights users on 1/29. 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.
mar. 3/248:30 am
STL
-
GUM
2 stops28h 50m
United Airlines
mié. 4/112:10 pm
GUM
-
STL
2 stops19h 46m
United Airlines
Deal found 1/29$7,170
This United Airlines deal was found by Cheapflights users on 1/29. 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.
mar. 3/248:30 am
STL
-
GUM
2 stops28h 50m
United Airlines
jue. 4/212:10 pm
GUM
-
STL
2 stops19h 46m
United Airlines
Deal found 1/29$10,170

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 enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$2,429
(United Airlines)
Provider with most accurate pricing for Lambert-St Louis-Tamuning Guam Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Tamuning Guam Intl flights.
Search Deals
From Lambert-St Louis to Guam
Search Deals

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 2,558,603 searches. Data last updated enero 29, 2026.
Use the filters below to find and compare flights from St. Louis to Guam that are best for you.

Fly from

St. Louis

Fly to

Guam

Route

Depart

Return

Price

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

mié. 2/11

6:00 am-7:05 pm

2 stops21h 05m

Tamuning Guam Intl

jue. 2/19

7:40 am-1:14 pm

2 stops21h 34m

$2,429

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

sáb. 3/14

2:50 pm-6:50 pm

2 stops61h 00m

Tamuning Guam Intl

sáb. 3/21

7:25 am-9:56 pm

2 stops29h 31m

$2,685

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

mar. 3/24

8:17 am-4:20 am

2 stops29h 03m

Tamuning Guam Intl

mié. 4/1

12:10 pm-4:56 pm

2 stops19h 46m

$7,170

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

mar. 3/24

8:30 am-4:20 am

2 stops28h 50m

Tamuning Guam Intl

jue. 4/2

12:10 pm-10:28 pm

2 stops25h 18m

$10,170

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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.
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
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.

  • What airport do you fly from for flights from St. Louis to Guam?

    If you book a flight to Guam from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

  • How long is the flight from St. Louis to Guam?

    Airlines like United Airlines fly from St. Louis to Guam in about 21h 05m. The time it takes to get you to your destination can typically vary by up to . The distance between St. Louis and Guam is about 7367 mi.

  • Can I find deals for flights from St. Louis to Guam that include hotel bookings?

    Yes. In addition to deals on St. Louis to Guam flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Guam?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Guam.

  • Can I find deals for business class flights from St. Louis to Guam?

    Yes. Cheapflights offers flight deals from St. Louis to Guam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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