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Tamuning

$999+ Cheap flights from St. Louis (STL) to Tamuning (GUM)

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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GUM
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap flight deals from St. Louis to Tamuning

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Tamuning (GUM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 11, 2025.

Round-trip from

$999
(United Airlines)

Popular in

December

Cheapest in

March

Average price

$2,352
From Lambert-St Louis to Tamuning Guam Intl
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Highest demand for flights based on searches. 5% potential increase in price ($125 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from St. Louis to Tamuning

Cheapest flights from St. Louis to Tamuning
Explore the most affordable flight options available from St. Louis to Tamuning. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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. 11/285:29 pmSTL - GUM
2 stops54h 16mUnited Airlines
mar. 12/27:25 amGUM - STL
2 stops30h 33mUnited Airlines
Deal found 9/10$999
This United Airlines deal was found by Cheapflights users on 9/10. 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. 10/275:29 pmSTL - GUM
2 stops55h 16mUnited Airlines
vie. 10/317:25 amGUM - STL
2 stops24h 02mUnited Airlines
Deal found 9/10$1,043
This Delta deal was found by Cheapflights users on 9/10. 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.
jue. 9/256:40 amSTL - GUM
2 stops41h 35mDelta
mié. 10/11:55 amGUM - STL
2 stops34h 20mDelta
Deal found 9/10$2,053
This flugladen.de deal was found by Cheapflights users on 9/10. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/256:00 amSTL - GUM
2 stops41h 40mMultiple Airlines
jue. 10/24:40 pmGUM - STL
2 stops46h 19mMultiple Airlines
Deal found 9/10$2,174
This Delta deal was found by Cheapflights users on 9/10. 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. 11/286:00 amSTL - GUM
2 stops25h 05mDelta
lun. 12/11:00 amGUM - STL
2 stops35h 46mDelta
Deal found 9/10$2,303
This United Airlines deal was found by Cheapflights users on 9/10. 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. 9/255:00 amSTL - GUM
2 stops22h 05mUnited Airlines
jue. 10/27:10 amGUM - STL
3 stops26h 47mUnited Airlines
Deal found 9/10$2,429

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Tamuning 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 septiembre 11, 2025.
Use the filters below to find and compare flights from St. Louis to Tamuning that are best for you.

Fly from

St. Louis

Fly to

Tamuning

Route

Depart

Return

Price

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

vie. 11/28

5:29 pm-3:45 pm

2 stops54h 16m

Tamuning Guam Intl

mar. 12/2

7:25 am-8:57 pm

2 stops29h 32m

$999

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

lun. 10/27

5:29 pm-3:45 pm

2 stops55h 16m

Tamuning Guam Intl

vie. 10/31

7:25 am-4:27 pm

2 stops24h 02m

$1,043

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

jue. 9/25

6:40 am-3:15 pm

2 stops41h 35m

Tamuning Guam Intl

mié. 10/1

1:55 am-9:15 pm

2 stops34h 20m

$2,053

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

jue. 9/25

6:00 am-2:40 pm

2 stops41h 40m

Tamuning Guam Intl

jue. 10/2

4:40 pm-11:59 pm

2 stops46h 19m

$2,174

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

lun. 10/27

6:40 am-2:35 pm

2 stops40h 55m

Tamuning Guam Intl

jue. 10/30

1:00 am-1:22 pm

2 stops27h 22m

$2,303

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

vie. 11/28

6:00 am-11:05 pm

2 stops25h 05m

Tamuning Guam Intl

lun. 12/1

1:00 am-8:46 pm

2 stops35h 46m

$2,303

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

jue. 9/25

5:00 am-6:05 pm

2 stops22h 05m

Tamuning Guam Intl

jue. 10/2

7:10 am-6:57 pm

3 stops26h 47m

$2,429

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from St. Louis to Tamuning

Have a flexible travel schedule? Discover the best time to fly to Tamuning 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.

Reviews of airlines servicing Tamuning

Get insights into the airlines that provide service to Tamuning. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Tamuning. Reviews last updated septiembre 11, 2025.
Read reviews from past customers who have flown United Airlines from St. Louis to Tamuning. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Tamuning. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from St. Louis to Tamuning?

    A quick flight from St. Louis to Tamuning can take about 41h 35m. United Airlines provides one of the quickest options available for as low as $2,053. The distance from St. Louis to Tamuning is about 7367 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from St. Louis to Tamuning round-trip?

    Our cheapest airline available from St. Louis to Tamuning is United Airlines. Our recent data shows that you can find tickets from as low as $948 on this airline. United Airlines is 55% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from St. Louis to Tamuning that include hotel bookings?

    Yes. In addition to deals on St. Louis to Tamuning flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Tamuning?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Tamuning.

  • Can I find deals for business class flights from St. Louis to Tamuning?

    Yes. Cheapflights offers flight deals from St. Louis to Tamuning by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Tamuning?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Tamuning (average of $1,977). Flying from St. Louis to Tamuning in May is currently the most expensive (average of $2,214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for St. Louis to Tamuning

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Kansas City to Tamuning flights

Top airline flying from St. Louis to Tamuning

Discover the top airline that operate flights from St. Louis to Tamuning. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$948Average$2,317FlexibilityNo cancel feeOn-time69%

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