Cheap flights from Portland to Rapid City from $197
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 7/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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 April is, on average, the cheapest month to fly to Rapid City from Portland, with most prices found around $343. If you aren’t able to travel to Rapid City during the month of April, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $348.
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 15 weeks ahead of your departure date. In general, you can expect to find flights to Rapid City for around $406 when searching 15 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 $251 on momondo.
Can stopping save me money on Portland to Rapid City flights?
You could potentially save up to 2% on your flight if you consider stops on a Portland to Rapid City flight.
How have Portland to Rapid City flight prices changed over time?
When to book flights from Portland to Rapid City
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
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 44m 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?
As of June 2025, there are 2 operators available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from Portland to Rapid City is United Airlines, representing 92% of all bookings. The subsequent popular airline is American Airlines at 8%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $303 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $307 | Free Cancellation | Rating 7.4 8,790 reviews |
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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.