How do I get Price Alerts for flights from St. Louis to Guam?

Search flight deals from St. Louis to Guam . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from St. Louis to Guam with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

When did momondo last update prices for flights from Lambert-St Louis Airport to Guam?

Prices for flights from Lambert-St Louis Airport to Guam refresh daily.

How old do you have to be to fly from Lambert-St Louis Airport to Guam?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Guam.

What documentation or ID do you need to fly to Guam?

The necessary travel and health documents for your Guam trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$1,839 Cheap Flights from St. Louis to Guam in 2026/27

Find the cheapest flights from St. Louis to Guam

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 am - 3:45 pmSTL Lambert-St Louis-GUM Tamuning Guam Intl

63h 15m2 stops San Francisco Tokyo Narita

7:45 am - 12:43 pmGUM Tamuning Guam Intl-STL Lambert-St Louis

20h 58m2 stops Honolulu Denver Intl

$1,839United Airlines

Wed, Mar 3 - Sun, Mar 7

10:05 am - 7:00 pmSTL Lambert-St Louis-GUM Tamuning Guam Intl

40h 55m2 stops Houston George Bush Intcntl Honolulu

7:45 am - 12:43 pmGUM Tamuning Guam Intl-STL Lambert-St Louis

20h 58m2 stops Honolulu Denver Intl

$1,946United Airlines

Sun, Feb 21 - Wed, Mar 3

6:15 am - 7:00 pmSTL Lambert-St Louis-GUM Tamuning Guam Intl

20h 45m2 stops Houston George Bush Intcntl Honolulu

7:45 am - 8:59 pmGUM Tamuning Guam Intl-STL Lambert-St Louis

29h 14m2 stops Honolulu Denver Intl

$1,969United Airlines

Wed, Jan 13 - Wed, Jan 27

6:15 am - 7:00 pmSTL Lambert-St Louis-GUM Tamuning Guam Intl

20h 45m2 stops Houston George Bush Intcntl Honolulu

7:55 pm - 9:41 pmGUM Tamuning Guam Intl-STL Lambert-St Louis

41h 46m2 stops Tokyo Haneda Newark

$2,044United Airlines

Sun, Feb 7 - Sat, Feb 13

6:00 am - 3:05 pmSTL Lambert-St Louis-GUM Tamuning Guam Intl

41h 05m2 stops Atlanta Hartsfield-Jackson Incheon Intl

4:50 pm - 9:42 pmGUM Tamuning Guam Intl-STL Lambert-St Louis

44h 52m2 stops Incheon Intl Atlanta Hartsfield-Jackson

$2,055Delta

Mon, Nov 9 - Mon, Nov 16

5:00 am - 7:00 pmSTL Lambert-St Louis-GUM Tamuning Guam Intl

22h 00m2 stops Chicago O'Hare Intl Honolulu

7:45 am - 6:05 pmGUM Tamuning Guam Intl-STL Lambert-St Louis

26h 20m3 stops Honolulu Los Angeles San Francisco

$2,229United Airlines

Mon, Nov 9 - Mon, Nov 16

Save money when you book flights with momondo

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisTamuning

STL Lambert-St Louis - GUM Tamuning Guam Intl

STLGUM

Lambert-St Louis

Wed 3/3

8:30 am-3:45 pm

2 stops63h 15m

Tamuning Guam Intl

Sun 3/7

7:45 am-12:43 pm

2 stops20h 58m

$1,839

St. LouisTamuning

STL Lambert-St Louis - GUM Tamuning Guam Intl

STLGUM

Lambert-St Louis

Sun 2/21

10:05 am-7:00 pm

2 stops40h 55m

Tamuning Guam Intl

Wed 3/3

7:45 am-12:43 pm

2 stops20h 58m

$1,946

St. LouisTamuning

STL Lambert-St Louis - GUM Tamuning Guam Intl

STLGUM

Lambert-St Louis

Wed 1/13

6:15 am-7:00 pm

2 stops20h 45m

Tamuning Guam Intl

Wed 1/27

7:45 am-8:59 pm

2 stops29h 14m

$1,969

St. LouisTamuning

STL Lambert-St Louis - GUM Tamuning Guam Intl

STLGUM

Lambert-St Louis

Sun 2/7

6:15 am-7:00 pm

2 stops20h 45m

Tamuning Guam Intl

Sat 2/13

7:55 pm-9:41 pm

2 stops41h 46m

$2,044

St. LouisTamuning

STL Lambert-St Louis - GUM Tamuning Guam Intl

STLGUM

Lambert-St Louis

Mon 11/9

6:00 am-3:05 pm

2 stops41h 05m

Tamuning Guam Intl

Mon 11/16

4:50 pm-9:42 pm

2 stops44h 52m

$2,055

Quickest round-trip

St. LouisTamuning

STL Lambert-St Louis - GUM Tamuning Guam Intl

STLGUM

Lambert-St Louis

Mon 11/9

5:00 am-7:00 pm

2 stops22h 00m

Tamuning Guam Intl

Mon 11/16

7:45 am-6:05 pm

3 stops26h 20m

$2,229

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap St. Louis to Guam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Guam

Best Price Found	$1,839
Fastest flight time	20h 45m
Direct flights	None

The best flight deal from St. Louis to Guam found on momondo in the last 72 hours is $1,839

The fastest flight from St. Louis to Guam takes 20h 45m

There are no direct flights from St. Louis to Guam. There are no popular flight routes from St. Louis to Guam.

Search flight deals

Frequently asked questions about flying from St. Louis to Guam

When did momondo last update prices for flights from Lambert-St Louis Airport to Guam?
Prices for flights from Lambert-St Louis Airport to Guam refresh daily.
How old do you have to be to fly from Lambert-St Louis Airport to Guam?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Guam.
What documentation or ID do you need to fly to Guam?
The necessary travel and health documents for your Guam trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from St. Louis to Guam

How do I get Price Alerts for flights from St. Louis to Guam?
Search flight deals from St. Louis to Guam. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from St. Louis to Guam with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Guam?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Guam from St. Louis.

Can I find flights from St. Louis to Guam with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Guam from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Guam?

momondo provides multiple filters to help you find the best flight to Guam from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to Guam right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Guam flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Flights to Tamuningfrom $982

Cheap flights from St. Louis to Guam from $1,839

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Guam departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from St. Louis to Guam

Cheap round-trip flights

Save money when you book flights with momondo

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

momondo Fare Finder

Use the filters below to find and compare flights from St. Louis to Guam that are best for you.

Cheap St. Louis to Guam flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from St. Louis to Guam

Frequently asked questions about flying from St. Louis to Guam

Why use momondo?

An easier way to manage your Guam trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Guam

Popular cities in Guam

Popular flights according to clicks in the last 7 days on momondo

St. Louis flight routes

According to popular flight searches on momondo this year

Guam flight routes

According to popular flight searches on momondo this year

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Guam

List of cabin classes available on flights landing in Guam. Availability may vary depending on flight origin and airline.

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According to popular flight searches on momondo this year