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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 6/27. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — RAP
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$279
(Delta)

One-way from

$241
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$348
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
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One-way flight from Portland to Rapid City
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Highest demand for flights based on searches. 12% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 15, 2026.

This United Airlines deal was found by Cheapflights users on 1/13. 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 2/101:24 pm
PDX
-
RAP
1 stop6h 08m
United Airlines
Tue 2/175:20 am
RAP
-
PDX
1 stop5h 22m
United Airlines
Deal found 1/13$279
This Delta deal was found by Cheapflights users on 1/15. 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.
Mon 3/212:40 am
PDX
-
RAP
1 stop8h 29m
Delta
Mon 3/94:01 pm
RAP
-
PDX
2 stops8h 53m
Delta
Deal found 1/15$284
This Sun Country Air deal was found by Cheapflights users on 1/13. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:59 pm
PDX
-
RAP
1 stop13h 23m
Sun Country Air
Mon 7/276:33 pm
RAP
-
PDX
1 stop23h 16m
Sun Country Air
Deal found 1/13$285
This Delta deal was found by Cheapflights users on 1/13. 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 2/412:40 am
PDX
-
RAP
1 stop8h 31m
Delta
Wed 2/116:00 am
RAP
-
PDX
1 stop7h 46m
Delta
Deal found 1/13$299
This United Airlines deal was found by Cheapflights users on 1/13. 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 1/283:45 pm
PDX
-
RAP
1 stop5h 44m
United Airlines
Sun 2/15:10 am
RAP
-
PDX
1 stop5h 35m
United Airlines
Deal found 1/13$309
This American Airlines deal was found by Cheapflights users on 1/13. 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.
Sat 4/117:00 am
PDX
-
RAP
1 stop8h 23m
American Airlines
Sat 4/256:00 am
RAP
-
PDX
1 stop7h 58m
American Airlines
Deal found 1/13$325
This American Airlines deal was found by Cheapflights users on 1/13. 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 5/286:00 am
PDX
-
RAP
1 stop8h 46m
American Airlines
Thu 6/412:44 pm
RAP
-
PDX
1 stop9h 48m
American Airlines
Deal found 1/13$335
This United Airlines deal was found by Cheapflights users on 1/13. 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 7/145:15 am
PDX
-
RAP
1 stop4h 58m
United Airlines
Tue 7/144:30 pm
RAP
-
PDX
1 stop7h 08m
United Airlines
Deal found 1/13$344

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 January 15, 2026.
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

Tue 3/3

1:53 pm-10:27 pm

1 stop7h 34m

Rapid City

Mon 3/9

4:01 pm-9:12 pm

1 stop6h 11m

$279

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Tue 2/10

1:39 pm-10:28 pm

2 stops7h 49m

Rapid City

Tue 2/17

6:00 am-12:44 pm

1 stop7h 44m

$304

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Wed 5/13

5:15 am-1:08 pm

1 stop6h 53m

Rapid City

Tue 5/19

5:25 pm-10:38 pm

1 stop6h 13m

$349

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Wed 4/1

12:30 am-10:20 am

1 stop8h 50m

Rapid City

Wed 4/8

4:01 pm-9:12 pm

1 stop6h 11m

$349

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Wed 4/1

12:30 am-10:20 am

1 stop8h 50m

Rapid City

Tue 4/7

4:01 pm-11:54 pm

2 stops8h 53m

$354

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Sun 4/5

12:50 pm-8:44 pm

1 stop6h 54m

Rapid City

Sun 4/19

5:00 am-9:48 am

1 stop5h 48m

$360

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Mon 4/6

12:30 am-10:20 am

1 stop8h 50m

Rapid City

Wed 4/8

4:01 pm-9:12 pm

1 stop6h 11m

$370

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Thu 2/5

1:30 pm-10:28 pm

2 stops7h 58m

Rapid City

Wed 2/11

6:00 am-4:30 pm

2 stops11h 30m

$380

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Sat 6/27

8:45 am-3:52 pm

1 stop6h 07m

$241

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Sat 5/16

11:59 pm-11:14 am

1 stop10h 15m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 11 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 January.
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, February 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 March is currently the most expensive (average of $383). 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.

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 January 15, 2026.
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
8,048 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

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
8,048 reviews
Delta
7.9
Good
8,048 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

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
9,163 reviews
Delta
7.9
Good
8,048 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

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 and United Airlines fly from Portland to Rapid City in about 6h 53m. The time it takes to get you to your destination can typically vary by up to 41m. 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 35% 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, February 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 March is currently the most expensive (average of $383). 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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$468FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$425FlexibilityNo cancel feeOn-time69%

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