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Rapid City

$181+ Cheap flights from Portland, ME to Rapid City (PWM - RAP)

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — RAP
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Portland to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Rapid City (RAP). 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 June 12, 2025.

Round-trip from

$361
(American Airlines)

One-way from

$181
(American Airlines)

Popular in

July

Cheapest in

January

Average price

$595
From Portland to Rapid City
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One-way flight from Portland to Rapid City
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Highest demand for flights based on searches. 11% potential increase in price ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Portland to Rapid City

Cheapest flights from Portland to Rapid City
Explore the most affordable flight options available from Portland to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 9/37:53 amPWM - RAP
2 stops15h 00mAmerican Airlines
Sun 9/76:00 amRAP - PWM
2 stops12h 19mAmerican Airlines
Deal found 6/11$361
This United Airlines deal was found by Cheapflights users on 6/12. 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 6/273:37 pmPWM - RAP
1 stop7h 10mUnited Airlines
Tue 7/15:30 amRAP - PWM
1 stop8h 19mUnited Airlines
Deal found 6/12$370
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 11/511:59 amPWM - RAP
1 stop6h 12mDelta
Mon 11/1010:40 amRAP - PWM
2 stops10h 27mDelta
Deal found 6/10$430

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Rapid City 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 12, 2025.
Use the filters below to find and compare flights from Portland to Rapid City that are best for you.

Fly from

Portland

Fly to

Rapid City

Route

Depart

Return

Price

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Wed 9/3

7:53 am-8:53 pm

2 stops15h 00m

Rapid City

Sun 9/7

6:00 am-8:19 pm

2 stops12h 19m

$361

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Fri 6/27

3:37 pm-8:47 pm

1 stop7h 10m

Rapid City

Tue 7/1

5:30 am-3:49 pm

1 stop8h 19m

$370

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Wed 11/5

11:59 am-4:11 pm

1 stop6h 12m

Rapid City

Mon 11/10

10:40 am-11:07 pm

2 stops10h 27m

$430

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Tue 9/23

12:17 pm-8:53 pm

2 stops10h 36m

$181

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Sat 9/13

3:15 pm-10:10 pm

2 stops8h 55m

$215

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Tue 9/23

6:14 am-10:22 am

1 stop6h 08m

$221

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Best time to book a flight from Portland to Rapid City

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

What is the cheapest month to book a flight from Portland, Maine to Rapid City?

Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Rapid City (average of $348). Flying from Portland, Maine to Rapid City in June is currently the most expensive (average of $504). 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.

Rainfall in Rapid City by month

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

In terms of precipitation, rainfall in Rapid City ranges from 0.3 - 3.2 inches per month. May is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Rapid City when rainfall is around 0.3 in.

Temperature in Rapid City by month

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

If weather is an important factor for your trip to Rapid City, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Rapid City

Get insights into the airlines that provide service to Rapid City. 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 Rapid City. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Portland to Rapid City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Portland, Maine to Rapid City round-trip?

    American Airlines, at $361, was found to be the cheapest airline from Portland, Maine to Rapid City.Alternate airlines to your destination round-trip include United Airlines and Delta. American Airlines is 41% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Portland, Maine to Rapid City one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $181. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Portland, Maine to Rapid City for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland to Rapid City 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 Portland, Maine to Rapid City?

    Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Rapid City (average of $348). Flying from Portland, Maine to Rapid City in June is currently the most expensive (average of $504). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Deadwood
Keystone
Sturgis
Spearfish

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Alternative routes for Portland to Rapid City

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Portland to Rapid City

Discover the top 2 airlines that operate flights from Portland to Rapid City. 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$313Average$816FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$350Average$658FlexibilityNo cancel feeOn-time69%

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