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$1,456+ 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GUM
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
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 March 22, 2026.

This United Airlines deal was found by Cheapflights users on 3/19. 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 8/288:35 am
STL
-
GUM
2 stops64h 10m
United Airlines
Tue 9/17:05 am
GUM
-
STL
2 stops20h 35m
United Airlines
Deal found 3/19$1,456
This United Airlines deal was found by Cheapflights users on 3/17. 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 10/216:15 am
STL
-
GUM
2 stops20h 50m
United Airlines
Tue 10/277:40 pm
GUM
-
STL
2 stops42h 45m
United Airlines
Deal found 3/17$1,942
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Wed 12/96:15 am
STL
-
GUM
2 stops20h 35m
United Airlines
Wed 12/167:25 am
GUM
-
STL
2 stops21h 18m
United Airlines
Deal found 3/20$1,969
This Delta deal was found by Cheapflights users on 3/20. 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.
Mon 5/46:20 am
STL
-
GUM
2 stops26h 35m
Delta
Mon 5/115:20 pm
GUM
-
STL
2 stops45h 01m
Delta
Deal found 3/20$2,053
This Delta deal was found by Cheapflights users on 3/18. 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 5/31:02 pm
STL
-
GUM
2 stops35h 33m
Delta
Sun 5/105:20 pm
GUM
-
STL
2 stops45h 01m
Delta
Deal found 3/18$2,103
This United Airlines deal was found by Cheapflights users on 3/21. 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.
Tue 5/56:00 am
STL
-
GUM
2 stops21h 05m
United Airlines
Tue 5/127:05 am
GUM
-
STL
2 stops28h 38m
United Airlines
Deal found 3/21$2,229
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Wed 9/236:00 am
STL
-
GUM
2 stops21h 05m
United Airlines
Mon 9/287:10 am
GUM
-
STL
3 stops22h 08m
United Airlines
Deal found 3/20$2,549
This Delta deal was found by Cheapflights users on 3/19. 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.
Thu 3/266:00 am
STL
-
GUM
2 stops26h 05m
Delta
Wed 4/13:00 am
GUM
-
STL
2 stops36h 21m
Delta
Deal found 3/19$2,827
This United Airlines deal was found by Cheapflights users on 3/19. 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 3/266:25 am
STL
-
GUM
2 stops21h 25m
United Airlines
Thu 4/27:05 am
GUM
-
STL
3 stops22h 19m
United Airlines
Deal found 3/19$3,019
This Delta deal was found by Cheapflights users on 3/20. 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.
Tue 3/245:25 pm
STL
-
GUM
2 stops38h 40m
Delta
Tue 3/313:00 am
GUM
-
STL
2 stops35h 25m
Delta
Deal found 3/20$9,329

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 March 22, 2026.

Round-trip from

$1,456
(United Airlines)
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 March 22, 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

Price

Cheapest round-trip

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Fri 8/28

3:02 pm-3:45 pm

2 stops57h 43m

Tamuning Guam Intl

Tue 9/1

7:05 am-4:31 pm

2 stops24h 26m

$1,456

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Mon 5/4

6:20 am-11:55 pm

2 stops26h 35m

Tamuning Guam Intl

Mon 5/11

5:20 pm-11:21 pm

2 stops45h 01m

$2,053

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Sun 5/3

1:02 pm-3:35 pm

2 stops35h 33m

Tamuning Guam Intl

Sun 5/10

5:20 pm-11:21 pm

2 stops45h 01m

$2,103
Quickest round-trip

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Tue 5/5

6:00 am-6:05 pm

2 stops21h 05m

Tamuning Guam Intl

Tue 5/12

7:05 am-8:43 pm

2 stops28h 38m

$2,229

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

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.
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 and Delta fly from St. Louis to Guam in about 26h 35m. The time it takes to get you to your destination can typically vary by up to 31h 08m. The distance between St. Louis and Guam is about 7367 mi. This flight may include one or multiple stops.

  • 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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