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$1,622+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GUM
May 17 — May 241
Sun 5/17
Sun 5/24
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 April 17, 2026.

This United Airlines deal was found by Cheapflights users on 4/13. 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 9/106:14 am
STL
-
GUM
2 stops20h 51m
United Airlines
Wed 9/167:35 pm
GUM
-
STL
2 stops37h 49m
United Airlines
Deal found 4/13$1,992
This United Airlines deal was found by Cheapflights users on 4/15. 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 4/207:05 pm
STL
-
GUM
2 stops32h 00m
United Airlines
Sat 4/257:30 pm
GUM
-
STL
2 stops41h 22m
United Airlines
Deal found 4/15$2,234
This United Airlines deal was found by Cheapflights users on 4/15. 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 5/164:15 pm
STL
-
GUM
2 stops58h 50m
United Airlines
Tue 5/267:30 pm
GUM
-
STL
2 stops42h 14m
United Airlines
Deal found 4/15$2,292
This United Airlines deal was found by Cheapflights users on 4/15. 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 4/306:00 am
STL
-
GUM
2 stops21h 05m
United Airlines
Sat 5/167:30 pm
GUM
-
STL
2 stops40h 43m
United Airlines
Deal found 4/15$2,502
This Delta deal was found by Cheapflights users on 4/13. 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 5/286:45 am
STL
-
GUM
2 stops41h 50m
Delta
Thu 6/45:20 pm
GUM
-
STL
2 stops46h 10m
Delta
Deal found 4/13$2,529
This Delta deal was found by Cheapflights users on 4/13. 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 6/99:21 am
STL
-
GUM
2 stops39h 14m
Delta
Sat 6/135:20 pm
GUM
-
STL
2 stops43h 54m
Delta
Deal found 4/13$2,744
This United Airlines deal was found by Cheapflights users on 4/13. 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 6/95:10 am
STL
-
GUM
3 stops21h 55m
United Airlines
Sat 6/1312:15 pm
GUM
-
STL
2 stops21h 02m
United Airlines
Deal found 4/13$3,387
This United Airlines deal was found by Cheapflights users on 4/15. 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 5/186:00 am
STL
-
GUM
2 stops24h 45m
United Airlines
Wed 5/277:05 am
GUM
-
STL
2 stops22h 11m
United Airlines
Deal found 4/15$4,105

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 April 17, 2026.

Round-trip from

$1,992
(United Airlines)

One-way from

$1,622
(Delta)
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 April 17, 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

Thu 9/10

6:14 am-6:05 pm

2 stops20h 51m

Tamuning Guam Intl

Wed 9/16

7:35 pm-6:24 pm

2 stops37h 49m

$1,992

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Sat 5/16

4:15 pm-6:05 pm

2 stops58h 50m

Tamuning Guam Intl

Tue 5/26

7:30 pm-6:17 pm

2 stops37h 47m

$2,292

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Thu 5/28

6:45 am-3:35 pm

2 stops41h 50m

Tamuning Guam Intl

Thu 6/4

5:20 pm-12:30 am

2 stops46h 10m

$2,529
Quickest round-trip

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Tue 6/9

5:10 am-6:05 pm

3 stops21h 55m

Tamuning Guam Intl

Sat 6/13

12:15 pm-6:17 pm

2 stops21h 02m

$3,387

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Wed 5/20

6:00 am-9:45 pm

2 stops24h 45m

Tamuning Guam Intl

Mon 5/25

7:05 am-6:17 pm

2 stops26h 12m

$4,129

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Tue 5/19

6:00 am-9:45 pm

2 stops24h 45m

Tamuning Guam Intl

Tue 5/26

7:05 am-6:17 pm

2 stops26h 12m

$4,194

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Sun 5/17

4:44 pm-9:45 pm

2 stops38h 01m

Tamuning Guam Intl

Wed 5/27

7:05 am-5:42 pm

2 stops25h 37m

$4,297

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Tue 5/19

7:45 am-6:05 pm

3 stops43h 20m

Tamuning Guam Intl

Mon 5/25

7:05 am-6:17 pm

2 stops26h 12m

$4,341

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Sat 5/16

7:45 am-6:05 pm

3 stops43h 20m

Tamuning Guam Intl

Wed 5/27

7:05 am-5:42 pm

2 stops25h 37m

$4,374
Cheapest one-way

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Wed 6/17

10:51 am-3:35 pm

2 stops37h 44m

$1,622

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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 20h 51m. 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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