HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Tamuning

$1,536+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GUM
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Tamuning with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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.
Sat 9/58:50 am
STL
-
GUM
2 stops64h 00m
United Airlines
Wed 9/97:10 am
GUM
-
STL
2 stops29h 56m
United Airlines
Deal found 1/26$1,536
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Wed 2/116:00 am
STL
-
GUM
2 stops21h 05m
United Airlines
Thu 2/197:40 am
GUM
-
STL
2 stops21h 34m
United Airlines
Deal found 1/28$2,429
This United Airlines deal was found by Cheapflights users on 1/28. 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 3/142:50 pm
STL
-
GUM
2 stops61h 00m
United Airlines
Sat 3/217:25 am
GUM
-
STL
2 stops29h 31m
United Airlines
Deal found 1/28$2,685
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sun 2/16:45 am
STL
-
GUM
2 stops40h 55m
United Airlines
Tue 2/37:55 pm
GUM
-
STL
2 stops35h 42m
United Airlines
Deal found 1/28$2,918
This United Airlines deal was found by Cheapflights users on 1/29. 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 3/248:30 am
STL
-
GUM
2 stops28h 50m
United Airlines
Wed 4/112:10 pm
GUM
-
STL
2 stops19h 46m
United Airlines
Deal found 1/29$7,170
This United Airlines deal was found by Cheapflights users on 1/29. 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 3/248:30 am
STL
-
GUM
2 stops28h 50m
United Airlines
Thu 4/212:10 pm
GUM
-
STL
2 stops19h 46m
United Airlines
Deal found 1/29$10,170

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$2,429
(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 Tamuning Guam Intl
Search Deals

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 January 29, 2026.
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

Wed 2/11

6:00 am-7:05 pm

2 stops21h 05m

Tamuning Guam Intl

Thu 2/19

7:40 am-1:14 pm

2 stops21h 34m

$2,429

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Sat 3/14

2:50 pm-6:50 pm

2 stops61h 00m

Tamuning Guam Intl

Sat 3/21

7:25 am-9:56 pm

2 stops29h 31m

$2,685

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Tue 3/24

8:17 am-4:20 am

2 stops29h 03m

Tamuning Guam Intl

Wed 4/1

12:10 pm-4:56 pm

2 stops19h 46m

$7,170

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Tue 3/24

8:30 am-4:20 am

2 stops28h 50m

Tamuning Guam Intl

Thu 4/2

12:10 pm-10:28 pm

2 stops25h 18m

$10,170

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Compare providers for flights from St. Louis to Tamuning

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Tamuning in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Tamuning flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Tamuning flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Tamuning flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Tamuning flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Tamuning flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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 21h 05m. United Airlines provides one of the quickest options available for as low as $2,429. The distance from St. Louis to Tamuning is about 7367 mi.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Tamuning

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Tamuning flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.