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Rapid City

$241+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — RAP
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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Cheap 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 December 3, 2025.

This Delta deal was found by Cheapflights users on 12/1. 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 12/812:32 amPDX - RAP
1 stop8h 50mDelta
Tue 12/166:05 amRAP - PDX
1 stop7h 49mDelta
Deal found 12/1$354
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/151:14 pmPDX - RAP
1 stop4h 40mUnited Airlines
Thu 12/255:15 amRAP - PDX
1 stop5h 46mUnited Airlines
Deal found 12/1$385
This United Airlines deal was found by Cheapflights users on 12/1. 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.
Tue 12/161:00 pmPDX - RAP
2 stops8h 15mUnited Airlines
Thu 12/255:15 amRAP - PDX
1 stop5h 46mUnited Airlines
Deal found 12/1$390
This United Airlines deal was found by Cheapflights users on 12/1. 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.
Wed 12/176:00 amPDX - RAP
3 stops13h 30mUnited Airlines
Thu 12/255:15 amRAP - PDX
1 stop5h 46mUnited Airlines
Deal found 12/1$395
This Delta deal was found by Cheapflights users on 12/1. 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.
Tue 12/96:15 amPDX - RAP
1 stop6h 54mDelta
Sat 12/1311:00 amRAP - PDX
1 stop7h 43mDelta
Deal found 12/1$399
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:32 pmPDX - RAP
2 stops39h 15mMultiple Airlines
Thu 12/259:06 pmRAP - PDX
1 stop23h 44mMultiple Airlines
Deal found 12/1$405
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/64:02 pmPDX - RAP
1 stop5h 13mUnited Airlines
Fri 12/195:15 amRAP - PDX
1 stop5h 46mUnited Airlines
Deal found 12/3$407
This United Airlines deal was found by Cheapflights users on 12/2. 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 12/54:02 pmPDX - RAP
1 stop5h 13mUnited Airlines
Fri 12/124:35 pmRAP - PDX
1 stop5h 40mUnited Airlines
Deal found 12/2$409

Find 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 December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(Delta)

One-way from

$241
(United Airlines)

Popular in

July

Cheapest in

April

Average price

$422
Provider with most accurate pricing for Portland-Rapid City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Rapid City flights.
Search Deals
From Portland to Rapid City
Search Deals
One-way flight from Portland to Rapid City
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 3, 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

Wed 1/14

1:53 pm-10:28 pm

1 stop7h 35m

Rapid City

Mon 1/19

10:54 am-5:35 pm

1 stop7h 41m

$259

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Sat 1/10

1:30 pm-10:28 pm

2 stops7h 58m

Rapid City

Wed 1/14

6:00 am-12:46 pm

1 stop7h 46m

$264

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Tue 1/6

6:15 am-3:25 pm

1 stop8h 10m

Rapid City

Sat 1/10

6:00 am-12:46 pm

1 stop7h 46m

$319

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Tue 1/6

5:00 am-11:25 am

1 stop5h 25m

Rapid City

Sat 1/10

2:40 pm-12:42 am

2 stops11h 02m

$334

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Tue 12/9

1:59 pm-10:46 pm

1 stop7h 47m

Rapid City

Tue 12/16

6:05 am-12:54 pm

1 stop7h 49m

$354

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Sat 1/24

5:00 am-11:25 am

1 stop5h 25m

$241

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Fri 1/23

5:00 am-11:25 am

1 stop5h 25m

$241

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Fri 1/23

11:10 am-10:28 pm

2 stops10h 18m

$246

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Mon 12/8

5:01 pm-9:47 am

2 stops39h 46m

$256

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Tue 12/9

1:14 pm-6:54 pm

1 stop4h 40m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 13 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Rapid City flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, December 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 December 3, 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 December 3, 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
8,011 reviews

Food

7.3

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,011 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,063 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 fly from Portland to Rapid City in about 7h 35m. The time it takes to get you to your destination can typically vary by up to . The distance between Portland and Rapid City is about 960 mi.

  • 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 40% 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, December 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
Keystone
Deadwood
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 December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$398FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$289Average$425FlexibilityNo cancel feeOn-time69%

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