HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rapid City

$193+ 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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — RAP
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Rapid City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 12, 2026.

This Delta deal was found by Cheapflights users on 2/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:00 am
PDX
-
RAP
1 stop8h 44m
Delta
Sun 3/86:00 am
RAP
-
PDX
1 stop7h 48m
Delta
Deal found 2/8$279
This United Airlines deal was found by Cheapflights users on 2/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:15 pm
PDX
-
RAP
1 stop5h 12m
United Airlines
Wed 4/225:00 am
RAP
-
PDX
2 stops10h 30m
United Airlines
Deal found 2/9$284
This Delta deal was found by Cheapflights users on 2/10. 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.
Thu 3/126:05 am
PDX
-
RAP
1 stop8h 13m
Delta
Thu 3/196:00 am
RAP
-
PDX
1 stop7h 48m
Delta
Deal found 2/10$289
This Delta deal was found by Cheapflights users on 2/9. 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.
Mon 3/26:00 am
PDX
-
RAP
1 stop8h 44m
Delta
Tue 3/104:01 pm
RAP
-
PDX
2 stops8h 53m
Delta
Deal found 2/9$294
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/84:10 pm
PDX
-
RAP
1 stop5h 14m
United Airlines
Wed 8/125:30 am
RAP
-
PDX
2 stops9h 47m
United Airlines
Deal found 2/11$308
This United Airlines deal was found by Cheapflights users on 2/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/125:05 am
PDX
-
RAP
1 stop7h 08m
United Airlines
Sun 3/155:00 am
RAP
-
PDX
2 stops8h 33m
United Airlines
Deal found 2/9$309
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:05 am
PDX
-
RAP
1 stop7h 08m
United Airlines
Sat 2/285:20 am
RAP
-
PDX
2 stops8h 18m
United Airlines
Deal found 2/11$314
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:00 pm
PDX
-
RAP
1 stop6h 24m
Delta
Tue 5/192:36 pm
RAP
-
PDX
1 stop6h 35m
Delta
Deal found 2/11$319
This Delta deal was found by Cheapflights users on 2/9. 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.
Sat 8/2912:40 am
PDX
-
RAP
1 stop8h 18m
Delta
Wed 9/22:25 pm
RAP
-
PDX
2 stops10h 16m
Delta
Deal found 2/9$326
This United Airlines deal was found by Cheapflights users on 2/10. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:00 am
PDX
-
RAP
1 stop6h 35m
United Airlines
Wed 7/155:00 am
RAP
-
PDX
1 stop5h 20m
United Airlines
Deal found 2/10$331

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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$279
(Delta)

One-way from

$193
(Kiwi.com)

Popular in

July

Cheapest in

January
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. 9% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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 February 12, 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

Sat 5/30

4:10 pm-10:24 pm

1 stop5h 14m

Rapid City

Fri 6/5

5:53 pm-10:55 pm

1 stop6h 02m

$279

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Wed 3/11

12:30 am-10:20 am

1 stop8h 50m

Rapid City

Thu 3/19

6:00 am-12:48 pm

1 stop7h 48m

$279

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Sat 4/18

4:15 pm-10:27 pm

1 stop5h 12m

Rapid City

Wed 4/22

12:00 pm-5:45 pm

1 stop6h 45m

$279

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Wed 7/22

4:10 pm-10:24 pm

1 stop5h 14m

Rapid City

Mon 7/27

5:00 am-9:20 am

1 stop5h 20m

$279

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Mon 3/9

12:30 am-10:20 am

1 stop8h 50m

Rapid City

Tue 3/17

6:00 am-12:48 pm

1 stop7h 48m

$289

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Sun 3/1

12:40 am-10:09 am

1 stop8h 29m

Rapid City

Tue 3/10

6:00 am-12:48 pm

1 stop7h 48m

$289

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Thu 3/12

6:05 am-3:18 pm

1 stop8h 13m

Rapid City

Tue 3/17

6:00 am-12:48 pm

1 stop7h 48m

$289

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Thu 3/12

5:05 am-1:13 pm

1 stop7h 08m

Rapid City

Sun 3/15

5:00 am-12:33 pm

2 stops8h 33m

$309

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Sun 6/14

7:17 pm-9:00 pm

1 stop24h 43m

$193

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Sat 6/13

5:00 am-12:35 pm

1 stop6h 35m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 15 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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.

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 February 12, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and American 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
8,187 reviews

Overall

7.9

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Crew

8.5

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
8,187 reviews
Delta
7.9
Good
8,187 reviews

Overall

7.9

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Crew

8.5

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
9,283 reviews
Delta
7.9
Good
8,187 reviews

Overall

7.9

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Crew

8.5

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.
American Airlines
7.2
Good
11,275 reviews
Delta
7.9
Good
8,187 reviews

Overall

7.9

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Crew

8.5

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 United Airlines and Delta fly from Portland to Rapid City in about 5h 14m. The time it takes to get you to your destination can typically vary by up to 3h 36m. 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. Other airlines that can offer you cheap pricing are United Airlines, from $289, and American Airlines, from $313. 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.

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$468FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$289Average$425FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$313Average$359FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.