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 November 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.

$259 Cheap Flights from Portland to Rapid City in 2025/26

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Find the cheapest flights from Portland to Rapid City

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Cheap round-trip flights

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8:30 am - 3:22 pmPDX-RAP

5h 52m1 stop

2:40 pm - 9:12 pmRAP-PDX

7h 32m1 stop

$259United Airlines

Find Deal

Thu, Jan 8 - Sun, Jan 11

1:24 pm - 8:32 pmPDX-RAP

6h 08m1 stop

5:10 am - 12:34 pmRAP-PDX

8h 24m2 stops

$264United Airlines

Find Deal

Thu, Jan 8 - Sun, Jan 11

1:35 pm - 10:29 pmPDX-RAP

7h 54m2 stops

5:10 am - 12:34 pmRAP-PDX

8h 24m2 stops

$269United Airlines

Find Deal

Thu, Jan 8 - Sun, Jan 11

6:00 am - 3:25 pmPDX-RAP

8h 25m1 stop

10:54 am - 5:35 pmRAP-PDX

7h 41m1 stop

$284Delta

Find Deal

Wed, Jan 14 - Mon, Jan 19

12:32 am - 10:22 amPDX-RAP

8h 50m1 stop

6:05 am - 12:54 pmRAP-PDX

7h 49m1 stop

$309Delta

Find Deal

Tue, Dec 9 - Sun, Dec 14

1:45 pm - 10:46 pmPDX-RAP

8h 01m2 stops

2:51 pm - 8:52 pmRAP-PDX

7h 01m1 stop

$314Delta

Find Deal

Wed, Dec 10 - Sun, Dec 14

12:32 am - 10:22 amPDX-RAP

8h 50m1 stop

2:51 pm - 12:15 amRAP-PDX

10h 24m2 stops

$349Delta

Find Deal

Tue, Dec 9 - Sun, Dec 14

6:15 am - 2:09 pmPDX-RAP

6h 54m1 stop

6:05 am - 12:54 pmRAP-PDX

7h 49m1 stop

$354Delta

Find Deal

Sat, Dec 6 - Wed, Dec 10

9:00 am - 3:00 pmPDX-RAP

5h 00m1 stop

5:15 am - 10:01 amRAP-PDX

5h 46m1 stop

$356United Airlines

Find Deal

Thu, Dec 25 - Fri, Jan 2

6:15 am - 2:09 pmPDX-RAP

6h 54m1 stop

4:25 pm - 12:04 amRAP-PDX

8h 39m2 stops

$359Delta

Find Deal

Sat, Dec 6 - Wed, Dec 10

United Airlines flights from Portland to Rapid City

Our best United Airlines deals on Portland to Rapid City flight tickets

United Airlines

Jan 8

PDX8:30 amPortland

5h 52m

1 stop

RAP3:22 pmRapid City

Jan 11

RAP2:40 pmRapid City

7h 32m

1 stop

PDX9:12 pmPortland

$259

Find similar

United Airlines

Jan 8

PDX1:24 pmPortland

6h 08m

1 stop

RAP8:32 pmRapid City

Jan 11

RAP5:10 amRapid City

8h 24m

2 stops

PDX12:34 pmPortland

$264

Find similar

United Airlines

Jan 8

PDX1:35 pmPortland

7h 54m

2 stops

RAP10:29 pmRapid City

Jan 11

RAP5:10 amRapid City

8h 24m

2 stops

PDX12:34 pmPortland

$269

Find similar

American Airlines flights from Portland to Rapid City

Our best American Airlines deals on Portland to Rapid City flight tickets

American Airlines

May 13

PDX3:18 pmPortland

18h 56m

1 stop

RAP11:14 amRapid City

May 19

RAP11:46 amRapid City

12h 51m

1 stop

PDX11:37 pmPortland

$500

Find similar

American Airlines

Dec 21

PDX12:49 amPortland

19h 42m

1 stop

RAP9:31 pmRapid City

Dec 29

RAP5:30 amRapid City

17h 29m

1 stop

PDX9:59 pmPortland

$1,202

Find similar

American Airlines

Dec 21

PDX12:49 amPortland

19h 42m

1 stop

RAP9:31 pmRapid City

Dec 29

RAP5:30 amRapid City

12h 41m

2 stops

PDX5:11 pmPortland

$1,207

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Thu 1/8

8:30 am-3:22 pm

1 stop5h 52m

Rapid City

Sun 1/11

2:40 pm-9:12 pm

1 stop7h 32m

$259

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Thu 1/8

1:24 pm-8:32 pm

1 stop6h 08m

Rapid City

Sun 1/11

5:10 am-12:34 pm

2 stops8h 24m

$264

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Thu 1/8

1:35 pm-10:29 pm

2 stops7h 54m

Rapid City

Sun 1/11

5:10 am-12:34 pm

2 stops8h 24m

$269

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Wed 1/14

6:00 am-3:25 pm

1 stop8h 25m

Rapid City

Mon 1/19

10:54 am-5:35 pm

1 stop7h 41m

$284

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Tue 12/9

12:32 am-10:22 am

1 stop8h 50m

Rapid City

Sun 12/14

6:05 am-12:54 pm

1 stop7h 49m

$309

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Wed 12/10

1:45 pm-10:46 pm

2 stops8h 01m

Rapid City

Sun 12/14

2:51 pm-8:52 pm

1 stop7h 01m

$314

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Tue 12/9

12:32 am-10:22 am

1 stop8h 50m

Rapid City

Sun 12/14

2:51 pm-12:15 am

2 stops10h 24m

$349

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Sat 12/6

6:15 am-2:09 pm

1 stop6h 54m

Rapid City

Wed 12/10

6:05 am-12:54 pm

1 stop7h 49m

$354

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Thu 12/25

9:00 am-3:00 pm

1 stop5h 00m

Rapid City

Fri 1/2

5:15 am-10:01 am

1 stop5h 46m

$356

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Sat 12/6

6:15 am-2:09 pm

1 stop6h 54m

Rapid City

Wed 12/10

4:25 pm-12:04 am

2 stops8h 39m

$359

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 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 $371. If you aren’t able to travel to Rapid City during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $393.

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.

Can stopping save me money on Portland to Rapid City flights?

You could potentially save up to 43% 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

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

Fastest flight time	4h 57m
Direct flights	None

The fastest flight from Portland to Rapid City takes 4h 57m

There are no direct flights from Portland to Rapid City. There are no popular flight routes from Portland to Rapid City.

Search flight deals

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 58m 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 November 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 Delta 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
Delta	PriceFrom $258	Free Cancellation	Rating 7.9 7,999 reviews		Search Delta flights
United Airlines	PriceFrom $290	Free Cancellation	Rating 7.4 9,046 reviews		Search United Airlines flights

Deadwood

Keystone

Sturgis

Spearfish

Custer

Hill City

Wall

Hot Springs

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.