HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
South Pacific

$1,545+ Cheap flights from Rapid City (RAP) to South Pacific

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SYD
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Rapid City to South Pacific 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 Rapid City to South Pacific

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

Round-trip from

$1,545
(United Airlines)
From Rapid City to South Pacific
Search Deals

Find flight deals from Rapid City to South Pacific

Cheapest flights from Rapid City to South Pacific
Explore the most affordable flight options available from Rapid City to South Pacific. 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 12/58:30 amRAP - SYD
2 stops30h 35mUnited Airlines
Mon 12/812:10 pmSYD - RAP
2 stops23h 00mUnited Airlines
Deal found 8/17$1,545
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 American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:46 amRAP - SYD
1 stop31h 09mAmerican Airlines
Mon 12/82:20 pmSYD - RAP
1 stop19h 45mAmerican Airlines
Deal found 8/17$2,146
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 South Pacific 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 South Pacific that are best for you.

Fly from

Rapid City

Fly to

South Pacific

Route

Depart

Return

Price

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Fri 12/5

8:30 am-9:05 am

2 stops30h 35m

Sydney Kingsford Smith

Mon 12/8

12:10 pm-5:10 pm

2 stops23h 00m

$1,545

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 CitySydney

RAP - SYD

RAPSYD

Rapid City

Fri 12/5

5:46 am-6:55 am

1 stop31h 09m

Sydney Kingsford Smith

Mon 12/8

2:20 pm-4:05 pm

1 stop19h 45m

$2,146

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 8/17

Best time to book a flight from Rapid City to South Pacific

Have a flexible travel schedule? Discover the best time to fly to South Pacific 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 South Pacific

What is the cheapest time of day to fly from RAP to SP?

Find hourly flight availability from Rapid City to South Pacific. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

When flying from Rapid City to South Pacific, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing South Pacific

Get insights into the airlines that provide service to South Pacific. 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 South Pacific. Reviews last updated August 18, 2025.
Read reviews from past customers who have flown United Airlines and American Airlines from Rapid City to South Pacific. 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
8,925 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

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
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

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??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,925 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

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 Rapid City to South Pacific. 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 South Pacific?

    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 South Pacific.

  • How long is the flight from Rapid City to South Pacific?

    Airlines like United Airlines and American Airlines fly from Rapid City to South Pacific in about 30h 35m. The time it takes to get you to your destination can typically vary by up to 34m. Airlines will cover a distance of 8519 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Rapid City to South Pacific 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 South Pacific?

    Currently, February is the cheapest month in which you can book a flight from Rapid City to South Pacific (average of $1,031). Flying from Rapid City to South Pacific in December is currently the most expensive (average of $1,619). 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

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 Rapid City to South Pacific

See prices for flight routes from nearby airports that may be better suited for you.
Sioux Falls to Denver flights
Rapid City to Minneapolis flights
Sioux Falls to O'Hare Intl flights
Sioux Falls to Dallas/Fort Worth flights
Sioux Falls to Cancún flights
Sioux Falls to Midway flights
Sioux Falls to Las Vegas flights
Sioux Falls to Orlando flights
Sioux Falls to Sky Harbor Intl flights
Rapid City to O'Hare Intl flights
Rapid City to Orlando flights
Sioux Falls to Dulles Intl flights
Sioux Falls to Boston flights
Sioux Falls to Philadelphia flights
Sioux Falls to Tampa flights
Sioux Falls to LaGuardia flights
Sioux Falls to John F Kennedy Intl flights
Sioux Falls to Portland flights
Sioux Falls to Miami flights
Sioux Falls to Reagan-National flights
Sioux Falls to Newark flights
Rapid City to Cancún flights
Rapid City to Dallas/Fort Worth flights
Rapid City to Denver flights
Sioux Falls to Fort Lauderdale flights
Sioux Falls to Salt Lake City flights
Sioux Falls to Atlanta flights
Sioux Falls to Cozumel flights
Sioux Falls to Kalispell flights
Sioux Falls to Baltimore flights
Sioux Falls to Pittsburgh flights
Rapid City to Savannah flights
Sioux Falls to Seattle flights
Rapid City to Atlanta flights
Sioux Falls to Hobby flights
Sioux Falls to San Francisco flights
Sioux Falls to Charles de Gaulle flights
Sioux Falls to Los Angeles flights
Sioux Falls to Phoenix-Mesa Gateway flights
Sioux Falls to San Diego flights
Rapid City to Hobby flights
Rapid City to Nashville flights
Sioux Falls to West Palm Beach flights
Rapid City to Cozumel flights
Sioux Falls to Ontario flights
Sioux Falls to Charleston flights
Sioux Falls to San Antonio flights
Rapid City to Miami flights
Sioux Falls to Pensacola flights
Rapid City to Omaha flights

Top 2 airlines flying from Rapid City to South Pacific

Discover the top 2 airlines that operate flights from Rapid City to South Pacific. 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,044Average$1,196FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,364Average$1,416FlexibilityNo cancel feeOn-time69%

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.