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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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — RAP
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Rapid City are usually found in April or October, 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 junio 12, 2025.

Round-trip from

$259
(United Airlines)

Popular in

July

Cheapest in

April

Average price

$432
From Portland to Rapid City
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Highest demand for flights based on searches. 8% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/9. 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.
jue. 7/174:16 pmPDX - RAP
1 stop4h 45mUnited Airlines
mié. 7/235:59 pmRAP - PDX
1 stop5h 17mUnited Airlines
Deal found 6/9$259
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/2010:23 amPDX - RAP
1 stop9h 36mMultiple Airlines
lun. 7/215:27 pmRAP - PDX
1 stop6h 19mMultiple Airlines
Deal found 6/10$316
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/311:59 pmPDX - RAP
1 stop14h 52mSun Country Air
lun. 7/75:21 pmRAP - PDX
1 stop6h 25mSun Country Air
Deal found 6/10$325
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/1412:59 amPDX - RAP
1 stop7h 56mAmerican Airlines
mar. 7/154:38 pmRAP - PDX
1 stop8h 49mAmerican Airlines
Deal found 6/10$331
This Delta deal was found by Cheapflights users on 6/10. 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.
mié. 9/31:20 pmPDX - RAP
2 stops8h 12mDelta
sáb. 9/66:25 amRAP - PDX
2 stops10h 45mDelta
Deal found 6/10$363

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 junio 12, 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

jue. 7/17

4:16 pm-10:01 pm

1 stop4h 45m

Rapid City

mié. 7/23

5:59 pm-10:16 pm

1 stop5h 17m

$259

PortlandRapid City

PDX - RAP

PDXRAP

Portland

dom. 7/20

10:23 am-8:59 pm

1 stop9h 36m

Rapid City

lun. 7/21

5:27 pm-10:46 pm

1 stop6h 19m

$316

PortlandRapid City

PDX - RAP

PDXRAP

Portland

jue. 7/3

11:59 pm-3:51 pm

1 stop14h 52m

Rapid City

lun. 7/7

5:21 pm-10:46 pm

1 stop6h 25m

$325

PortlandRapid City

PDX - RAP

PDXRAP

Portland

lun. 7/14

12:59 am-9:55 am

1 stop7h 56m

Rapid City

mar. 7/15

4:38 pm-12:27 am

1 stop8h 49m

$331

PortlandRapid City

PDX - RAP

PDXRAP

Portland

mié. 9/3

1:20 pm-10:32 pm

2 stops8h 12m

Rapid City

sáb. 9/6

6:25 am-4:10 pm

2 stops10h 45m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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 June 9, 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 $504). 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 junio 12, 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.

Rainfall in Rapid City by month

Plan your trip to Rapid City by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Rapid City ranges from 0.3 - 3.2 inches per month. May is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Rapid City when rainfall is around 0.3 in.

Temperature in Rapid City by month

Plan your trip to Rapid City by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Rapid City, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 junio 12, 2025.
Read through reviews of airlines operating flights from Portland to Rapid City, such as Delta, United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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!
Sun Country Air
6.9
Okay
345 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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.

  • 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 $259. Other airlines that can offer you cheap pricing are Sun Country Air, from $325, and American Airlines, from $331. United Airlines is 36% 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 $504). 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 Portland?

Book flights to Portland 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$303Average$452FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$307Average$418FlexibilityNo cancel feeOn-time69%

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