Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Rapid City from $230

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Rapid City departing on 3/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Portland to Rapid City

Cheap round-trip flights

These are some of the best round-trip flight deals from Portland to Rapid City that have been recently found on momondo from popular airlines, departing in the coming months.
6:05 am - 3:33 pmPDX-RAP
8h 28m1 stop
11:49 am - 5:36 pmRAP-PDX
6h 47m1 stop
$309Delta
Find Deal
Sun, Mar 2 - Sat, Mar 8
5:00 am - 11:07 amPDX-RAP
5h 07m1 stop
5:50 pm - 10:55 pmRAP-PDX
6h 05m1 stop
$346United Airlines
Find Deal
Sat, Mar 1 - Fri, Mar 7
3:21 pm - 10:15 pmPDX-RAP
5h 54m1 stop
7:00 am - 1:48 pmRAP-PDX
7h 48m1 stop
$364United Airlines
Find Deal
Fri, Feb 14 - Sat, Feb 22
4:00 pm - 10:11 pmPDX-RAP
5h 11m1 stop
3:21 pm - 10:55 pmRAP-PDX
8h 34m1 stop
$429United Airlines
Find Deal
Fri, Mar 14 - Mon, Mar 17
4:18 pm - 10:00 pmPDX-RAP
4h 42m1 stop
8:52 am - 6:33 pmRAP-PDX
10h 41m2 stops
$434United Airlines
Find Deal
Thu, Apr 24 - Sat, Apr 26
5:00 am - 11:07 amPDX-RAP
5h 07m1 stop
3:21 pm - 12:50 amRAP-PDX
10h 29m2 stops
$445United Airlines
Find Deal
Sun, Mar 2 - Sat, Mar 8
12:59 am - 11:04 amPDX-RAP
9h 05m1 stop
11:49 am - 5:32 pmRAP-PDX
6h 43m1 stop
$454Delta
Find Deal
Fri, Feb 28 - Fri, Mar 7
11:30 am - 10:41 pmPDX-RAP
10h 11m2 stops
11:49 am - 5:32 pmRAP-PDX
6h 43m1 stop
$459Delta
Find Deal
Sat, Mar 1 - Fri, Mar 7
4:18 pm - 10:00 pmPDX-RAP
4h 42m1 stop
5:15 am - 9:47 amRAP-PDX
5h 32m1 stop
$469United Airlines
Find Deal
Thu, Apr 24 - Sat, Apr 26
9:07 am - 9:22 pmPDX-RAP
11h 15m1 stop
10:18 pm - 9:51 amRAP-PDX
12h 33m1 stop
Thu, May 15 - Wed, May 21

United Airlines flights from Portland to Rapid City

Our best United Airlines deals on Portland to Rapid City flight tickets
United Airlines
Mar 1
PDX5:00 amPortland
5h 07m
1 stop
RAP11:07 amRapid City
Mar 7
RAP5:50 pmRapid City
6h 05m
1 stop
PDX10:55 pmPortland
United Airlines
Feb 14
PDX3:21 pmPortland
5h 54m
1 stop
RAP10:15 pmRapid City
Feb 22
RAP7:00 amRapid City
7h 48m
1 stop
PDX1:48 pmPortland
United Airlines
Mar 14
PDX4:00 pmPortland
5h 11m
1 stop
RAP10:11 pmRapid City
Mar 17
RAP3:21 pmRapid City
8h 34m
1 stop
PDX10:55 pmPortland

Delta flights from Portland to Rapid City

Our best Delta deals on Portland to Rapid City flight tickets
Delta
Mar 2
PDX6:05 amPortland
8h 28m
1 stop
RAP3:33 pmRapid City
Mar 8
RAP11:49 amRapid City
6h 47m
1 stop
PDX5:36 pmPortland
Delta
Feb 7
PDX6:05 amPortland
8h 28m
1 stop
RAP3:33 pmRapid City
Feb 16
RAP6:00 amRapid City
7h 52m
1 stop
PDX12:52 pmPortland
Delta
Feb 7
PDX11:30 amPortland
10h 11m
2 stops
RAP10:41 pmRapid City
Feb 16
RAP6:00 amRapid City
7h 52m
1 stop
PDX12:52 pmPortland

See travel insights to Rapid City from

How to get the cheapest flight ticket from Portland to Rapid City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Portland and Rapid City?

What is the cheapest month to fly to Rapid City?

The month of October is, on average, the cheapest month to fly to Rapid City from Portland, with most prices found around $355. If you aren’t able to travel to Rapid City during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $382.

What is the cheapest day to depart on your flight to Rapid City?

According to our data, Thursday is the cheapest day to fly to Rapid City from Portland. The lowest ticket price found for a Thursday departure recently was $411. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Rapid City is Monday, with ticket prices averaging around $604.

What is the cheapest time of day to depart on your flight to Rapid City?

Our most recent data shows that the best time of day to fly to Rapid City is in the evening. Flights from Portland to Rapid City during this time can be as low as $359. Flights in the morning are often more expensive with an average ticket price of $498.

How far in advance should I book a flight to Rapid City?

You are more likely to see cheaper flights to Rapid City from Portland when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Rapid City for around $473 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rapid City from Portland for as low as $318 on momondo.

How have Portland to Rapid City flight prices changed over time?

As of January 2025, prices for Portland to Rapid City flights are approximately 51% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Rapid City

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Rapid City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Rapid City (PDX to RAP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Rapid City

Best Price Found

$230

Fastest flight time

4h 42m

Direct flights

None

Airports in Rapid City

1 airport
The best one-way flight to Rapid City from Portland in the past 72 hours is $230. The best round-trip flight deal from Portland to Rapid City found on momondo in the last 72 hours is $309.
The fastest flight from Portland to Rapid City takes 4h 42m
There are no direct flights from Portland to Rapid City. Popular non-direct route for this connection is Portland Airport - Rapid City Airport.
There is 1 airport near Rapid City: Rapid City (RAP)

  • How far is Portland to Rapid City by plane?

    The straight-line distance from Portland to Rapid City is 955.5 mi. Typically, this will take 4h 42m by plane in normal conditions.

  • When did momondo last update prices for flights from Portland Airport to Rapid City Airport?

    Prices for flights from Portland Airport to Rapid City Airport were last updated today.

  • How many operators does momondo search for flights from Portland Airport to Rapid City Airport?

  • How old do you have to be to fly from Portland Airport to Rapid City Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Rapid City Airport.

  • What documentation or ID do you need to fly to Rapid City Airport?

    The required travel and health documents for your Rapid City Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Rapid City Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Portland to Rapid City?


Best airlines flying from Portland to Rapid City

Compare and see reviews for airlines that fly from Portland to Rapid City with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $258Free CancellationRating
8.0
8,456 reviews
Search Delta flights
American AirlinesPriceFrom $303Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $308Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
Sturgis
Spearfish
Keystone
Custer
Hot Springs
Hill City
Wall

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Rapid City?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Rapid City. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Rapid City with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Rapid City from Portland with this policy.

How can momondo help me find flights from Portland to Rapid City?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Rapid City.

I’m not ready to book a flight from Portland to Rapid City right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Portland to Rapid City now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Rapid City and let you know when they change.


An easier way to manage your Rapid City trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 2/4
Tue 2/11
Email me momondo's favorite deals

Find better results for your trip to the United States