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Guam

$1,067+ Cheap flights from St. Louis (STL) to Guam

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GUM
jul. 22 — jul. 291
mié. 7/22
mié. 7/29
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 junio 22, 2026.

This United Airlines deal was found by Cheapflights users on 6/17. 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.
lun. 8/36:30 pm
STL
-
GUM
2 stops54h 15m
United Airlines
vie. 8/77:05 am
GUM
-
STL
2 stops28h 35m
United Airlines
Deal found 6/17$1,712
This Delta deal was found by Cheapflights users on 6/18. 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.
vie. 8/148:00 am
STL
-
GUM
2 stops40h 35m
Delta
mié. 9/92:00 am
GUM
-
STL
2 stops36h 42m
Delta
Deal found 6/18$2,203
This United Airlines deal was found by Cheapflights users on 6/17. 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.
jue. 10/16:00 am
STL
-
GUM
2 stops21h 05m
United Airlines
lun. 10/57:10 am
GUM
-
STL
2 stops22h 00m
United Airlines
Deal found 6/17$2,229
This United Airlines deal was found by Cheapflights users on 6/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/306:40 am
STL
-
GUM
2 stops21h 20m
United Airlines
mar. 11/37:45 am
GUM
-
STL
2 stops24h 50m
United Airlines
Deal found 6/18$2,279
This Delta deal was found by Cheapflights users on 6/19. 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.
mar. 7/76:00 am
STL
-
GUM
2 stops26h 55m
Delta
lun. 7/132:00 am
GUM
-
STL
2 stops37h 41m
Delta
Deal found 6/19$2,453
This Delta deal was found by Cheapflights users on 6/19. 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.
vie. 7/178:48 am
STL
-
GUM
2 stops39h 47m
Delta
jue. 7/232:00 am
GUM
-
STL
2 stops35h 15m
Delta
Deal found 6/19$2,628
This United Airlines deal was found by Cheapflights users on 6/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/146:15 am
STL
-
GUM
2 stops20h 50m
United Airlines
jue. 9/107:10 am
GUM
-
STL
3 stops22h 05m
United Airlines
Deal found 6/18$2,771
This United Airlines deal was found by Cheapflights users on 6/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/226:14 am
STL
-
GUM
2 stops20h 51m
United Airlines
mié. 6/247:30 pm
GUM
-
STL
2 stops40h 56m
United Airlines
Deal found 6/18$2,954
This United Airlines deal was found by Cheapflights users on 6/20. 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.
mié. 6/246:00 am
STL
-
GUM
2 stops21h 05m
United Airlines
vie. 6/267:30 pm
GUM
-
STL
2 stops40h 56m
United Airlines
Deal found 6/20$3,004
This United Airlines deal was found by Cheapflights users on 6/19. 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.
vie. 7/175:10 am
STL
-
GUM
3 stops21h 55m
United Airlines
vie. 7/247:05 am
GUM
-
STL
2 stops24h 28m
United Airlines
Deal found 6/19$3,278

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 junio 22, 2026.

Round-trip from

$1,712
(United Airlines)

One-way from

$1,067
(Kiwi.com)
From Lambert-St Louis to Guam
Search Deals
One-way flight 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 junio 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

lun. 8/3

6:30 pm-3:45 pm

2 stops54h 15m

Tamuning Guam Intl

vie. 8/7

7:05 am-8:40 pm

2 stops28h 35m

$1,712

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

vie. 8/14

8:00 am-3:35 pm

2 stops40h 35m

Tamuning Guam Intl

mié. 9/9

2:00 am-11:42 pm

2 stops36h 42m

$2,203

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

jue. 10/1

6:15 am-6:05 pm

2 stops20h 50m

Tamuning Guam Intl

lun. 10/5

7:10 am-6:43 pm

3 stops26h 33m

$2,229

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

vie. 10/30

6:40 am-7:00 pm

2 stops21h 20m

Tamuning Guam Intl

mar. 11/3

7:45 am-4:35 pm

2 stops24h 50m

$2,279

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

vie. 7/17

8:48 am-3:35 pm

2 stops39h 47m

Tamuning Guam Intl

jue. 7/23

2:00 am-10:15 pm

2 stops35h 15m

$2,628
Quickest round-trip

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

vie. 8/14

6:15 am-6:05 pm

2 stops20h 50m

Tamuning Guam Intl

jue. 9/10

7:10 am-2:15 pm

3 stops22h 05m

$2,771

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

vie. 7/17

5:10 am-6:05 pm

3 stops21h 55m

Tamuning Guam Intl

vie. 7/24

12:15 pm-7:23 pm

3 stops22h 08m

$7,329
Cheapest one-way
Quickest one-way

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

dom. 9/20

7:36 pm-3:35 am

2 stops40h 59m

$1,067

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/19

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 40h 35m. The time it takes to get you to your destination can typically vary by up to 13h 40m. 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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