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Rapid City

$152+ Cheap flights from Portland to Rapid City (PDX - 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — RAP
Apr 15 — Apr 221
Tue 4/15
Tue 4/22
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Rapid City are usually found in January or October, booked 54 days in advance, depart on a Thursday or Saturday and return on a Thursday

Cheap flight deals from Portland to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 April 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$259
(American Airlines)

One-way from

$152
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$413
Provider with most accurate pricing for Portland-Rapid City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Rapid City flights.
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From Portland to Rapid City
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One-way flight from Portland to Rapid City
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($77 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 10, 2025.

This American Airlines deal was found by Cheapflights users on 4/9. 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.
Mon 8/181:43 amPDX - RAP
1 stop6h 54mAmerican Airlines
Wed 8/2710:27 amRAP - PDX
1 stop9h 03mAmerican Airlines
Deal found 4/9$259
This United deal was found by Cheapflights users on 4/10. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:15 amPDX - RAP
1 stop4h 58mUnited Airlines
Mon 9/84:47 pmRAP - PDX
1 stop6h 51mUnited Airlines
Deal found 4/10$329
This Mytrip deal was found by Cheapflights users on 4/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/162:46 pmPDX - RAP
2 stops24h 45mMultiple Airlines
Sun 5/1810:12 pmRAP - PDX
1 stop15h 30mMultiple Airlines
Deal found 4/8$332
This Delta deal was found by Cheapflights users on 4/9. 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.
Thu 10/307:55 pmPDX - RAP
2 stops13h 10mDelta
Mon 11/32:20 pmRAP - PDX
1 stop7h 05mDelta
Deal found 4/9$364

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 April 10, 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

PDX - RAP

PDXRAP

Portland

Mon 8/18

1:43 am-9:37 am

1 stop6h 54m

Rapid City

Wed 8/27

10:27 am-6:30 pm

1 stop9h 03m

$259

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Thu 9/4

5:15 am-11:13 am

1 stop4h 58m

Rapid City

Mon 9/8

4:47 pm-10:38 pm

1 stop6h 51m

$329

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Fri 5/16

2:46 pm-4:31 pm

2 stops24h 45m

Rapid City

Sun 5/18

10:12 pm-12:42 pm

1 stop15h 30m

$332

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Fri 5/30

8:00 pm-10:06 am

2 stops13h 06m

Rapid City

Tue 6/3

6:33 am-4:15 pm

2 stops10h 42m

$434

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Tue 8/19

5:54 am-1:45 pm

1 stop6h 51m

$152

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Tue 8/19

9:55 am-8:33 pm

2 stops9h 38m

$192

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Fri 5/23

8:08 am-9:00 am

2 stops23h 52m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Compare providers for flights from Portland to Rapid City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Rapid City in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Rapid City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Rapid City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Rapid City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Rapid City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Rapid City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

How far ahead should I book a flight from Portland to Rapid City?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Rapid City. Price data was last updated on April 4, 2025.

The price you pay for your flight from Portland to Rapid City may vary depending on when you book. For the best chance of a lower fare, look to book 44 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Portland to Rapid City (average of $348). Flying from Portland to Rapid City in May is currently the most expensive (average of $556). 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.

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

Find hourly flight availability from Portland to Rapid City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 10, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 28% on flights from Portland to Rapid City by exploring options for tickets in the evening.

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 April 10, 2025.
Read through reviews of airlines operating flights from Portland to Rapid City, such as Delta, United Airlines and Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,906 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,906 reviews
Delta
8.0
Very good
7,906 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,634 reviews
Delta
8.0
Very good
7,906 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Allegiant Air
7.3
Good
734 reviews
Delta
8.0
Very good
7,906 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,906 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 to Rapid City round-trip?

    Cheapflights users have booked flights from Portland to Rapid City round-trip from $259. Other airlines that can offer you cheap pricing are United Airlines, from $329, and Delta, from $434. American Airlines is 39% 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 to Rapid City one-way?

    The cheapest airlines for a one-way flight from Portland to Rapid City are American Airlines ($152), United Airlines ($192), and Allegiant Air ($304).

  • 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 to Rapid City?

    Currently, January is the cheapest month in which you can book a flight from Portland to Rapid City (average of $348). Flying from Portland to Rapid City in May is currently the most expensive (average of $556). 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
Spearfish
Keystone
Sturgis
Wall

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Top 3 airlines flying from Portland to Rapid City

Discover the top 3 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 April 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$378FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$303Average$452FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$308Average$436FlexibilityNo cancel feeOn-time69%

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