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$1,801+ Cheap flights from Missouri to Guam

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GUM
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from Missouri to Guam

Keep the following information in mind while searching for Missouri to Guam flight deals. Data was last updated June 18, 2025.

Round-trip from

$2,357
(United Airlines)

One-way from

$1,801
(United Airlines)
From Missouri to Guam
Search Deals
One-way flight from Missouri to Guam
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Find flight deals from Missouri to Guam

Cheapest flights from Missouri to Guam
Explore the most affordable flight options available from Missouri to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This United Airlines deal was found by Cheapflights users on 6/16. 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 7/316:05 amMCI - GUM
2 stops21h 00mUnited Airlines
Thu 8/77:15 amGUM - MCI
2 stops22h 03mUnited Airlines
Deal found 6/16$2,357
This United Airlines deal was found by Cheapflights users on 6/16. 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 6/206:15 amSTL - GUM
2 stops31h 05mUnited Airlines
Sun 6/227:15 amGUM - STL
2 stops20h 31mUnited Airlines
Deal found 6/16$2,995

Cheapflights Fare Finder

Customize your flight search to find flights from Missouri 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 June 18, 2025.
Use the filters below to find and compare flights from Missouri to Guam that are best for you.

Fly from

Missouri

Fly to

Guam

Route

Depart

Return

Price

Kansas CityTamuning

MCI - GUM

MCIGUM

Kansas City

Thu 7/31

6:05 am-6:05 pm

2 stops21h 00m

Tamuning Guam Intl

Thu 8/7

7:15 am-2:18 pm

2 stops22h 03m

$2,357

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Fri 10/3

6:15 am-6:05 pm

2 stops20h 50m

$1,801

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Best time to book a flight from Missouri to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from Missouri 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 Missouri to Guam

What is the cheapest time of day to fly from MO to GU?

Find hourly flight availability from Missouri to Guam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Guam as you normally would.

Rainfall in Guam by month

Plan your trip to Guam by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Guam ranges from 2.6 - 14.4 inches per month. August is typically the wettest month, when rainfall can reach 14.4 in. March is typically the driest time to visit Guam when rainfall is around 2.6 in.

Temperature in Guam by month

Plan your trip to Guam by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Guam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Reviews of airlines servicing Guam

Get insights into the airlines that provide service to Guam. 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 Guam. Reviews last updated June 18, 2025.
United Airlines
7.4
Good
8,809 reviews

Entertainment

7.0

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
8,809 reviews
United Airlines
7.4
Good
8,809 reviews

Entertainment

7.0

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 Missouri to Guam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Missouri to Guam that include hotel bookings?

    Yes. In addition to deals on Missouri to Guam flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Guam?

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

  • Can I find deals for business class flights from Missouri to Guam?

    Yes. Cheapflights offers flight deals from Missouri 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.

  • What is the cheapest month to book a flight from Missouri to Guam?

    Currently, January is the cheapest month in which you can book a flight from Missouri to Guam (average of $1,977). Flying from Missouri to Guam 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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Top airline flying from Missouri to Guam

Discover the top airline that operate flights from Missouri to Guam. 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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,916Average$2,216FlexibilityNo cancel feeOn-time69%

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