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Guam

$1,587+ 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
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
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 February 6, 2026.

This United Airlines deal was found by Cheapflights users on 2/2. 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 9/58:50 am
STL
-
GUM
2 stops64h 00m
United Airlines
Wed 9/97:10 am
GUM
-
STL
2 stops26h 28m
United Airlines
Deal found 2/2$1,587
This United Airlines deal was found by Cheapflights users on 2/4. 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 6/46:20 am
STL
-
GUM
2 stops20h 45m
United Airlines
Thu 6/117:05 am
GUM
-
STL
2 stops28h 37m
United Airlines
Deal found 2/4$2,019
This Delta deal was found by Cheapflights users on 2/4. 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.
Wed 3/46:35 am
STL
-
GUM
2 stops40h 00m
Delta
Mon 4/65:00 pm
GUM
-
STL
2 stops43h 06m
Delta
Deal found 2/4$2,054
This United Airlines deal was found by Cheapflights users on 2/5. 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 5/307:06 pm
STL
-
GUM
2 stops31h 59m
United Airlines
Sat 6/137:30 pm
GUM
-
STL
2 stops40h 41m
United Airlines
Deal found 2/5$2,092
This Delta deal was found by Cheapflights users on 2/3. 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.
Wed 3/46:10 am
STL
-
GUM
2 stops40h 25m
Delta
Sat 4/45:00 pm
GUM
-
STL
2 stops46h 21m
Delta
Deal found 2/3$2,104
This United Airlines deal was found by Cheapflights users on 2/3. 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 6/85:15 am
STL
-
GUM
2 stops45h 50m
United Airlines
Sun 6/215:00 pm
GUM
-
STL
3 stops61h 46m
United Airlines
Deal found 2/3$2,118
This Delta deal was found by Cheapflights users on 2/5. 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 3/66:10 am
STL
-
GUM
2 stops24h 55m
Delta
Thu 3/121:00 am
GUM
-
STL
2 stops38h 21m
Delta
Deal found 2/5$2,219
This United Airlines deal was found by Cheapflights users on 2/3. 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 3/66:00 am
STL
-
GUM
2 stops21h 05m
United Airlines
Tue 3/107:25 am
GUM
-
STL
2 stops20h 54m
United Airlines
Deal found 2/3$2,279

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 February 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$2,019
(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 February 6, 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

Wed 6/17

6:20 am-6:05 pm

2 stops20h 45m

Tamuning Guam Intl

Wed 7/1

7:05 am-8:42 pm

2 stops28h 37m

$2,019

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Wed 6/10

6:00 am-6:05 pm

2 stops21h 05m

Tamuning Guam Intl

Wed 6/17

7:05 am-12:41 pm

2 stops20h 36m

$2,019

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Thu 6/4

6:20 am-6:05 pm

2 stops20h 45m

Tamuning Guam Intl

Thu 6/11

7:05 am-8:42 pm

2 stops28h 37m

$2,019

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Wed 3/4

6:35 am-2:35 pm

2 stops40h 00m

Tamuning Guam Intl

Mon 4/6

5:00 pm-9:06 pm

2 stops43h 06m

$2,054

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Thu 3/5

6:10 am-11:05 pm

2 stops24h 55m

Tamuning Guam Intl

Wed 3/11

1:00 am-11:58 pm

2 stops37h 58m

$2,054

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Sat 5/30

7:06 pm-6:05 pm

2 stops31h 59m

Tamuning Guam Intl

Sat 6/13

7:30 pm-9:11 pm

2 stops40h 41m

$2,092

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Sun 3/29

9:45 am-11:55 pm

2 stops23h 10m

Tamuning Guam Intl

Sun 4/5

5:00 pm-11:25 pm

2 stops45h 25m

$2,104

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Wed 3/4

6:10 am-2:35 pm

2 stops40h 25m

Tamuning Guam Intl

Sat 4/4

5:00 pm-12:21 am

2 stops46h 21m

$2,104

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Mon 6/8

5:15 am-6:05 pm

2 stops45h 50m

Tamuning Guam Intl

Sun 6/21

7:05 am-11:58 pm

2 stops31h 53m

$2,118

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

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 20h 45m. The time it takes to get you to your destination can typically vary by up to 19h 15m. 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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