$191 Cheap Flights from Portland (PDX) to Rapid City (RAP)

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Popular airlines from Portland International Airport (PDX) to Rapid City Regional Airport (RAP)

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Cheap Flights from Portland to Rapid City (PDX-RAP)

Prices were available within the past 7 days and start at $191 for one-way flights and $259 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Jan 6 - Tue, Jan 13
PDX
Portland
RAP
Rapid City
$259 Roundtrip, found 4 days ago
$259
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Jan 6 from Portland to Rapid City, returning Tue, Jan 13, priced at $259 found 4 days ago
Delta
Sun, Nov 23 - Wed, Dec 10
PDX
Portland
RAP
Rapid City
$259 Roundtrip, found 21 hours ago
$259
Roundtrip
found 21 hours ago
Select Delta flight, departing Sun, Nov 23 from Portland to Rapid City, returning Wed, Dec 10, priced at $259 found 21 hours ago
United
Tue, Jan 6 - Tue, Jan 13
PDX
Portland
RAP
Rapid City
$264 Roundtrip, found 4 days ago
$264
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jan 6 from Portland to Rapid City, returning Tue, Jan 13, priced at $264 found 4 days ago
United
Tue, Jan 6 - Tue, Jan 13
PDX
Portland
RAP
Rapid City
$277 Roundtrip, found 4 days ago
$277
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jan 6 from Portland to Rapid City, returning Tue, Jan 13, priced at $277 found 4 days ago
United
Tue, Jan 6 - Tue, Jan 13
PDX
Portland
RAP
Rapid City
$282 Roundtrip, found 4 days ago
$282
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jan 6 from Portland to Rapid City, returning Tue, Jan 13, priced at $282 found 4 days ago
United
Mon, Nov 17 - Sun, Nov 23
PDX
Portland
RAP
Rapid City
$284 Roundtrip, found 5 days ago
$284
Roundtrip
found 5 days ago
Select United flight, departing Mon, Nov 17 from Portland to Rapid City, returning Sun, Nov 23, priced at $284 found 5 days ago
United
Sat, Dec 13 - Wed, Dec 17
PDX
Portland
RAP
Rapid City
$285 Roundtrip, found 6 days ago
$285
Roundtrip
found 6 days ago
Select United flight, departing Sat, Dec 13 from Portland to Rapid City, returning Wed, Dec 17, priced at $285 found 6 days ago
United
Tue, Jan 6 - Tue, Jan 13
PDX
Portland
RAP
Rapid City
$287 Roundtrip, found 4 days ago
$287
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jan 6 from Portland to Rapid City, returning Tue, Jan 13, priced at $287 found 4 days ago
Delta
Thu, Dec 4 - Fri, Dec 5
PDX
Portland
RAP
Rapid City
$288 Roundtrip, found 5 days ago
$288
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Dec 4 from Portland to Rapid City, returning Fri, Dec 5, priced at $288 found 5 days ago
United
Sat, Nov 15 - Sat, Nov 22
PDX
Portland
RAP
Rapid City
$289 Roundtrip, found 16 hours ago
$289
Roundtrip
found 16 hours ago
Select United flight, departing Sat, Nov 15 from Portland to Rapid City, returning Sat, Nov 22, priced at $289 found 16 hours ago

Find the cheapest month to fly from Portland (PDX) to Rapid City (RAP)

September is typically the cheapest month to fly

From $258 - $444 per traveler.

Alternative airports near Rapid City

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Rapid City Regional RAP. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $338
RAP
Rapid City Regional
CheapestClosest
Average driving time to city center16 min
Flights from $338

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Rapid City Regional Airport (RAP) cost?
Grab a cheap one-way flight from $191 or cheap return flight from $259 from Portland Intl. Airport (PDX) to Rapid City Regional Airport (RAP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Rapid City Regional Airport (RAP)?
January is the most affordable month to fly from PDX to RAP. Planning your trip for the off-season is often the key to finding a great deal.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Rapid City Regional Airport (RAP)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest PDX to RAP flight.
How many flights per day from Portland Intl. Airport (PDX) to Rapid City Regional Airport (RAP)?
You'll have to catch a flight with a layover when traveling from Portland Intl. Airport (PDX) to Rapid City Regional Airport (RAP). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from PDX to RAP?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Rapid City Regional Airport (RAP)?
To touch down at Rapid City Regional Airport (RAP) on schedule, opt for a flight that leaves from Portland Intl. Airport (PDX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Rapid City Regional Airport (RAP) last-minute?
Booking your plane ticket from PDX to RAP right before your getaway is generally more expensive. However, if you're flexible with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a PDX to RAP flight and hotel package?
Securing a PDX to RAP flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our impressive range of accommodations and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Rapid City Regional Airport (RAP)?
If you booked your PDX to RAP flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Portland Intl.
Destination airport
Rapid City Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
$258
Distance
960 mi

Book with confidence

Portland to Rapid City Flights

The cheapest times to fly from Portland to Rapid City

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Rapid City are during the month of January. You can find some of the cheapest flights from Portland to Rapid City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Rapid City

Sunday is one of the best days to book for cheap flights from Portland to Rapid City: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Rapid City

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Rapid City in 2025. You can also book with separate airlines for your outbound and return journeys, from $191 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Rapid City flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Rapid City airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Portland to Rapid City Flights

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