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Rapid City

$197+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — RAP
sep. 2 — sep. 91
mar. 9/2
mar. 9/9
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Rapid City are usually found in April or January, booked 61 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 agosto 28, 2025.

Round-trip from

$259
(Delta)

One-way from

$197
(Delta)

Popular in

July

Cheapest in

April

Average price

$430
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. 13% potential increase in price ($66 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 August 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 agosto 28, 2025.

This Delta deal was found by Cheapflights users on 8/26. 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.
vie. 10/2412:40 amPDX - RAP
1 stop8h 13mDelta
mié. 10/2910:33 amRAP - PDX
1 stop7h 54mDelta
Deal found 8/26$259
This United Airlines deal was found by Cheapflights users on 8/26. 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.
mar. 9/231:45 pmPDX - RAP
2 stops7h 14mUnited Airlines
mar. 9/305:30 amRAP - PDX
1 stop4h 59mUnited Airlines
Deal found 8/26$264
This United Airlines deal was found by Cheapflights users on 8/26. 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.
vie. 9/195:00 amPDX - RAP
1 stop5h 32mUnited Airlines
lun. 9/224:47 pmRAP - PDX
2 stops8h 58mUnited Airlines
Deal found 8/26$288
This United Airlines deal was found by Cheapflights users on 8/27. 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.
sáb. 11/224:02 pmPDX - RAP
1 stop4h 57mUnited Airlines
jue. 11/278:45 amRAP - PDX
1 stop6h 02mUnited Airlines
Deal found 8/27$291
This United Airlines deal was found by Cheapflights users on 8/26. 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.
sáb. 10/2510:50 amPDX - RAP
1 stop6h 50mUnited Airlines
mié. 10/298:45 amRAP - PDX
2 stops12h 53mUnited Airlines
Deal found 8/26$334
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
jue. 11/612:52 pmPDX - RAP
2 stops19h 02mMultiple Airlines
dom. 11/99:44 pmRAP - PDX
1 stop22h 00mMultiple Airlines
Deal found 8/26$336
This Delta deal was found by Cheapflights users on 8/28. 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.
mié. 10/2912:40 amPDX - RAP
1 stop8h 13mDelta
dom. 11/25:05 amRAP - PDX
1 stop5h 58mDelta
Deal found 8/28$339
This United Airlines deal was found by Cheapflights users on 8/27. 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.
sáb. 9/205:00 amPDX - RAP
1 stop6h 38mUnited Airlines
mié. 9/244:47 pmRAP - PDX
1 stop6h 55mUnited Airlines
Deal found 8/27$343
This Delta deal was found by Cheapflights users on 8/25. 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.
vie. 9/261:45 pmPDX - RAP
1 stop7h 45mDelta
mar. 9/302:27 pmRAP - PDX
1 stop7h 29mDelta
Deal found 8/25$359

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 agosto 28, 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

vie. 9/19

5:00 am-12:38 pm

1 stop6h 38m

Rapid City

lun. 9/22

5:59 pm-10:42 pm

1 stop5h 43m

$259

PortlandRapid City

PDX - RAP

PDXRAP

Portland

vie. 10/24

12:40 am-9:53 am

1 stop8h 13m

Rapid City

mié. 10/29

10:33 am-5:27 pm

1 stop7h 54m

$259

PortlandRapid City

PDX - RAP

PDXRAP

Portland

sáb. 10/25

5:34 am-4:03 pm

1 stop9h 29m

Rapid City

mié. 10/29

4:58 pm-11:29 pm

1 stop7h 31m

$259

PortlandRapid City

PDX - RAP

PDXRAP

Portland

mar. 9/23

5:00 am-11:32 am

1 stop5h 32m

Rapid City

mar. 9/30

4:35 pm-9:06 pm

1 stop5h 31m

$259

PortlandRapid City

PDX - RAP

PDXRAP

Portland

sáb. 11/22

4:02 pm-9:59 pm

1 stop4h 57m

Rapid City

jue. 11/27

8:45 am-1:47 pm

1 stop6h 02m

$291

PortlandRapid City

PDX - RAP

PDXRAP

Portland

sáb. 10/11

1:55 pm-10:36 pm

1 stop7h 41m

$197

PortlandRapid City

PDX - RAP

PDXRAP

Portland

sáb. 10/18

6:20 am-1:45 pm

1 stop6h 25m

$197

PortlandRapid City

PDX - RAP

PDXRAP

Portland

sáb. 10/18

11:55 pm-10:13 am

2 stops33h 18m

$309

PortlandRapid City

PDX - RAP

PDXRAP

Portland

sáb. 10/11

3:50 pm-10:13 am

3 stops17h 23m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/28

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 August 22, 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 61 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 June is currently the most expensive (average of $502). 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 agosto 28, 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.

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 agosto 28, 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
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,944 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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, Delta, and American Airlines fly from Portland to Rapid City in about 6h 38m. The time it takes to get you to your destination can typically vary by up to 2h 51m. 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 37% 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 $348). Flying from Portland to Rapid City in June is currently the most expensive (average of $502). 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 agosto 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$368FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$303Average$418FlexibilityNo cancel feeOn-time69%

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