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Rapid City

$259+ Cheap flights from Portland to Rapid City (PDX - RAP)

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — RAP
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
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 (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 October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$259
(Delta)

Popular in

July

Cheapest in

April

Average price

$403
Provider with most accurate pricing for Portland-Rapid City flight deals.
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Provider most trusted by Cheapflights users for Portland-Rapid City flights.
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From Portland to Rapid City
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 20, 2025.

This Delta deal was found by Cheapflights users on 10/18. 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.
Mon 12/81:45 pmPDX - RAP
2 stops8h 01mDelta
Tue 12/166:05 amRAP - PDX
1 stop7h 49mDelta
Deal found 10/18$264
This Delta deal was found by Cheapflights users on 10/19. 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 10/2412:40 amPDX - RAP
1 stop8h 13mDelta
Wed 10/296:05 amRAP - PDX
1 stop7h 45mDelta
Deal found 10/19$369
This United Airlines deal was found by Cheapflights users on 10/19. 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 10/305:00 amPDX - RAP
1 stop6h 40mUnited Airlines
Sun 11/25:15 amRAP - PDX
1 stop5h 23mUnited Airlines
Deal found 10/19$399
This United Airlines deal was found by Cheapflights users on 10/18. 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 12/252:45 pmPDX - RAP
1 stop5h 04mUnited Airlines
Tue 12/308:45 amRAP - PDX
1 stop26h 16mUnited Airlines
Deal found 10/18$417
This American Airlines deal was found by Cheapflights users on 10/20. 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.
Thu 10/305:34 amPDX - RAP
1 stop9h 24mAmerican Airlines
Sun 11/21:42 pmRAP - PDX
1 stop8h 38mAmerican Airlines
Deal found 10/20$434
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Sat 10/2510:50 amPDX - RAP
1 stop5h 10mUnited Airlines
Wed 10/297:10 amRAP - PDX
2 stops8h 36mUnited Airlines
Deal found 10/18$444

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 October 20, 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

Thu 3/5

12:55 am-10:05 am

1 stop8h 10m

Rapid City

Wed 3/11

10:40 am-4:51 pm

1 stop7h 11m

$259

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Fri 3/6

4:05 pm-10:11 pm

1 stop5h 06m

Rapid City

Wed 3/11

5:48 pm-10:38 pm

1 stop5h 50m

$259

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Mon 2/16

12:55 am-10:05 am

1 stop8h 10m

Rapid City

Mon 2/23

10:40 am-4:51 pm

1 stop7h 11m

$259

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Fri 3/6

12:55 am-10:05 am

1 stop8h 10m

Rapid City

Wed 3/11

10:40 am-4:51 pm

1 stop7h 11m

$259

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Mon 12/8

1:45 pm-10:46 pm

2 stops8h 01m

Rapid City

Tue 12/16

6:05 am-6:14 pm

2 stops13h 09m

$269

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Tue 2/17

8:30 am-3:17 pm

1 stop5h 47m

Rapid City

Mon 2/23

5:20 am-9:42 am

1 stop5h 22m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust 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

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 $258). Flying from Portland to Rapid City in July is currently the most expensive (average of $399). 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 October 20, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 27% on flights from Portland to Rapid City by exploring options for tickets in the evening.

How much does it cost to fly round-trip from Portland to Rapid City?

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 October 20, 2025.
Read reviews from past customers who have flown Delta and United Airlines from Portland to Rapid City. 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.
Delta
7.9
Good
7,976 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,976 reviews
Delta
7.9
Good
7,976 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,994 reviews
Delta
7.9
Good
7,976 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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.

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

    Airlines like Delta and United Airlines fly from Portland to Rapid City in about 5h 06m. The time it takes to get you to your destination can typically vary by up to 3h 04m. The distance between Portland and Rapid City is about 960 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $258. Another airline that can offer you cheap pricing is United Airlines. Delta is 38% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 $258). Flying from Portland to Rapid City in July is currently the most expensive (average of $399). 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 Rapid City?

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

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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 October 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$349FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$291Average$424FlexibilityNo cancel feeOn-time69%

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