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$1,623+ Cheap flights from Rapid City (RAP) 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — GUM
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Rapid City to Guam

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

Round-trip from

$1,623
(United Airlines)
From Rapid City to Guam
Search Deals

Find flight deals from Rapid City to Guam

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

This United Airlines deal was found by Cheapflights users on 8/17. 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 10/39:56 amRAP - GUM
2 stops61h 54mUnited Airlines
Tue 10/77:10 amGUM - RAP
2 stops43h 03mUnited Airlines
Deal found 8/17$1,623
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Mon 12/85:15 amRAP - GUM
2 stops27h 30mUnited Airlines
Mon 12/157:25 amGUM - RAP
2 stops28h 29mUnited Airlines
Deal found 8/16$1,995
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Sun 12/78:30 amRAP - GUM
2 stops41h 20mUnited Airlines
Mon 12/157:25 amGUM - RAP
2 stops28h 29mUnited Airlines
Deal found 8/16$2,002
This United Airlines deal was found by Cheapflights users on 8/16. 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 12/115:15 amRAP - GUM
2 stops23h 30mUnited Airlines
Tue 12/167:25 amGUM - RAP
2 stops22h 46mUnited Airlines
Deal found 8/16$2,320
This Delta deal was found by Cheapflights users on 8/15. 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 10/36:27 amRAP - GUM
2 stops25h 43mDelta
Mon 10/61:55 amGUM - RAP
2 stops36h 41mDelta
Deal found 8/15$11,869

Cheapflights Fare Finder

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

Fly from

Rapid City

Fly to

Guam

Route

Depart

Return

Price

Rapid CityTamuning

RAP - GUM

RAPGUM

Rapid City

Fri 10/3

11:15 am-3:50 pm

2 stops60h 35m

Tamuning Guam Intl

Tue 10/7

7:10 am-10:13 am

2 stops43h 03m

$1,623

Rapid CityTamuning

RAP - GUM

RAPGUM

Rapid City

Mon 12/8

5:15 am-1:45 am

2 stops27h 30m

Tamuning Guam Intl

Mon 12/15

7:25 am-6:54 pm

2 stops28h 29m

$1,995

Rapid CityTamuning

RAP - GUM

RAPGUM

Rapid City

Sun 12/7

8:30 am-6:50 pm

2 stops41h 20m

Tamuning Guam Intl

Mon 12/15

7:25 am-6:54 pm

2 stops28h 29m

$2,002

Rapid CityTamuning

RAP - GUM

RAPGUM

Rapid City

Thu 12/11

5:15 am-9:45 pm

2 stops23h 30m

Tamuning Guam Intl

Tue 12/16

7:25 am-1:11 pm

2 stops22h 46m

$2,320

Rapid CityTamuning

RAP - GUM

RAPGUM

Rapid City

Fri 10/3

6:27 am-12:10 am

2 stops25h 43m

Tamuning Guam Intl

Mon 10/6

1:55 am-10:36 pm

2 stops36h 41m

$11,869

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Best time to book a flight from Rapid City to Guam

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

    Rapid City (RAP), located 9.0 mi from the city center, is the airport you fly out of when you book flights from Rapid City to Guam.

  • How long is the flight from Rapid City to Guam?

    For as low as $1,623, United Airlines can have you in Guam from Rapid City in 60h 35m. Airlines will cover a distance of 6616 mi.

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

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

  • How can I find direct flights from Rapid City to Guam?

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

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

    Yes. Cheapflights offers flight deals from Rapid City 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 Rapid City to Guam?

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