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$1,866+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GUM
Apr 27 — May 41
Mon 4/27
Mon 5/4
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 28, 2026.

This United Airlines deal was found by Cheapflights users on 3/26. 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.
Mon 11/167:06 pm
STL
-
GUM
2 stops41h 14m
United Airlines
Thu 11/197:25 am
GUM
-
STL
2 stops29h 34m
United Airlines
Deal found 3/26$1,866
This United Airlines deal was found by Cheapflights users on 3/25. 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 6/56:00 am
STL
-
GUM
2 stops21h 05m
United Airlines
Fri 6/127:05 am
GUM
-
STL
2 stops28h 38m
United Airlines
Deal found 3/25$2,119
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:21 am
STL
-
GUM
2 stops42h 14m
Delta
Thu 5/143:00 am
GUM
-
STL
2 stops35h 21m
Delta
Deal found 3/24$2,218
This United Airlines deal was found by Cheapflights users on 3/25. 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 6/87:23 pm
STL
-
GUM
2 stops31h 42m
United Airlines
Mon 6/1512:15 pm
GUM
-
STL
2 stops21h 02m
United Airlines
Deal found 3/25$2,385
This United Airlines deal was found by Cheapflights users on 3/25. 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 8/285:00 am
STL
-
GUM
2 stops22h 05m
United Airlines
Tue 9/17:05 am
GUM
-
STL
2 stops24h 26m
United Airlines
Deal found 3/25$2,409
This United Airlines deal was found by Cheapflights users on 3/25. 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 4/236:00 am
STL
-
GUM
2 stops21h 05m
United Airlines
Thu 4/307:05 am
GUM
-
STL
2 stops21h 08m
United Airlines
Deal found 3/25$2,429
This Delta deal was found by Cheapflights users on 3/27. 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 7/58:00 am
STL
-
GUM
2 stops24h 55m
Delta
Sat 7/253:00 am
GUM
-
STL
2 stops36h 37m
Delta
Deal found 3/27$2,508
This United Airlines deal was found by Cheapflights users on 3/27. 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 6/16:14 am
STL
-
GUM
2 stops20h 51m
United Airlines
Fri 6/127:05 am
GUM
-
STL
2 stops24h 28m
United Airlines
Deal found 3/27$2,689
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Fri 5/88:46 am
STL
-
GUM
2 stops21h 59m
United Airlines
Fri 5/157:05 am
GUM
-
STL
3 stops22h 27m
United Airlines
Deal found 3/24$3,060

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 28, 2026.

Round-trip from

$2,119
(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 28, 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 6/5

6:00 am-6:05 pm

2 stops21h 05m

Tamuning Guam Intl

Fri 6/12

7:05 am-8:43 pm

2 stops28h 38m

$2,119

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Fri 5/8

6:21 am-3:35 pm

2 stops42h 14m

Tamuning Guam Intl

Thu 5/14

3:00 am-11:21 pm

2 stops35h 21m

$2,218

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Fri 8/28

6:00 am-6:05 pm

2 stops21h 05m

Tamuning Guam Intl

Tue 9/1

7:05 am-8:39 pm

2 stops28h 34m

$2,409

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Mon 6/8

7:23 pm-6:05 pm

2 stops31h 42m

Tamuning Guam Intl

Mon 6/15

12:15 pm-3:46 pm

3 stops42h 31m

$2,416

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Thu 4/23

6:00 am-6:05 pm

2 stops21h 05m

Tamuning Guam Intl

Thu 4/30

12:10 pm-4:57 pm

3 stops43h 47m

$2,484

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Sun 7/5

8:00 am-11:55 pm

2 stops24h 55m

Tamuning Guam Intl

Sat 7/25

3:00 am-12:37 am

2 stops36h 37m

$2,508

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Mon 6/1

6:14 am-6:05 pm

2 stops20h 51m

Tamuning Guam Intl

Fri 6/12

7:05 am-4:33 pm

2 stops24h 28m

$2,689
Quickest round-trip

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Fri 5/8

8:46 am-9:45 pm

2 stops21h 59m

Tamuning Guam Intl

Fri 5/15

7:05 am-2:32 pm

3 stops22h 27m

$3,060

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

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 21h 05m. The time it takes to get you to your destination can typically vary by up to 21h 09m. 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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