What is the cheapest airline that flies from Rapid City to Portland?

American Airlines and United Airlines are the most popular carriers operating from Rapid City to Portland

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

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

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

The number of operators available for flights from Rapid City Airport to Portland Airport is 1 as of January 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rapid City Airport to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The required travel and health documents for your Portland 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 Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$191 Cheap Flights from Rapid City to Portland in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $311 to $350. The lowest price recently found on this route was $279.

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Find the cheapest flights from Rapid City to Portland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:40 pm - 9:12 pm

RAP

PDX

7h 32m1 stop

3:45 pm - 10:29 pm

PDX

RAP

5h 44m1 stop

$279United Airlines

Wed, Feb 4 - Wed, Feb 11

8:00 am - 6:56 pm

RAP

PDX

11h 56m2 stops

5:00 am - 1:12 pm

PDX

RAP

7h 12m1 stop

$284United Airlines

Wed, Feb 4 - Wed, Feb 11

7:00 am - 6:56 pm

RAP

PDX

12h 56m2 stops

1:35 pm - 10:29 pm

PDX

RAP

7h 54m2 stops

$290United Airlines

Wed, Feb 4 - Wed, Feb 11

5:20 am - 9:42 am

RAP

PDX

5h 22m1 stop

5:05 am - 1:13 pm

PDX

RAP

7h 08m1 stop

$294United Airlines

Thu, Feb 12 - Tue, Feb 17

6:00 am - 12:46 pm

RAP

PDX

7h 46m1 stop

1:53 pm - 10:28 pm

PDX

RAP

7h 35m1 stop

$309Delta

Tue, Jan 20 - Sat, Jan 24

6:00 am - 12:46 pm

RAP

PDX

7h 46m1 stop

1:39 pm - 10:28 pm

PDX

RAP

7h 49m2 stops

$314Delta

Tue, Jan 20 - Sat, Jan 24

2:40 pm - 9:12 pm

RAP

PDX

7h 32m1 stop

5:05 am - 1:13 pm

PDX

RAP

7h 08m1 stop

$337United Airlines

Wed, Feb 11 - Mon, Feb 16

5:10 am - 2:46 pm

RAP

PDX

10h 36m2 stops

5:05 am - 1:13 pm

PDX

RAP

7h 08m1 stop

$342United Airlines

Wed, Feb 11 - Mon, Feb 16

7:00 am - 2:46 pm

RAP

PDX

8h 46m2 stops

1:35 pm - 10:29 pm

PDX

RAP

7h 54m2 stops

$345United Airlines

Thu, Jan 22 - Mon, Jan 26

2:42 pm - 12:48 am

RAP

PDX

11h 06m2 stops

5:15 am - 1:08 pm

PDX

RAP

6h 53m1 stop

$354United Airlines

Fri, May 1 - Wed, May 6

United Airlines flights from Rapid City to Portland

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

United Airlines

Feb 4

RAP2:40 pmRapid City

7h 32m

1 stop

PDX9:12 pmPortland

Feb 11

PDX3:45 pmPortland

5h 44m

1 stop

RAP10:29 pmRapid City

$279

Find similar

United Airlines

Feb 4

RAP8:00 amRapid City

11h 56m

2 stops

PDX6:56 pmPortland

Feb 11

PDX5:00 amPortland

7h 12m

1 stop

RAP1:12 pmRapid City

$284

Find similar

United Airlines

Feb 4

RAP7:00 amRapid City

12h 56m

2 stops

PDX6:56 pmPortland

Feb 11

PDX1:35 pmPortland

7h 54m

2 stops

RAP10:29 pmRapid City

$290

Find similar

Delta flights from Rapid City to Portland

Our best Delta deals on Rapid City to Portland flight tickets

Delta

Jan 20

RAP6:00 amRapid City

7h 46m

1 stop

PDX12:46 pmPortland

Jan 24

PDX1:53 pmPortland

7h 35m

1 stop

RAP10:28 pmRapid City

$309

Find similar

Delta

Jan 20

RAP6:00 amRapid City

7h 46m

1 stop

PDX12:46 pmPortland

Jan 24

PDX1:39 pmPortland

7h 49m

2 stops

RAP10:28 pmRapid City

$314

Find similar

Delta

Feb 12

RAP10:54 amRapid City

7h 39m

1 stop

PDX5:33 pmPortland

Feb 17

PDX1:27 pmPortland

8h 00m

2 stops

RAP10:27 pmRapid City

$384

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Wed 2/4

2:40 pm-9:12 pm

1 stop7h 32m

Portland

Wed 2/11

3:45 pm-10:29 pm

1 stop5h 44m

$279

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Wed 2/4

8:00 am-6:56 pm

2 stops11h 56m

Portland

Wed 2/11

5:00 am-1:12 pm

1 stop7h 12m

$284

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Wed 2/4

7:00 am-6:56 pm

2 stops12h 56m

Portland

Wed 2/11

1:35 pm-10:29 pm

2 stops7h 54m

$290

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Thu 2/12

5:20 am-9:42 am

1 stop5h 22m

Portland

Tue 2/17

5:05 am-1:13 pm

1 stop7h 08m

$294

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Tue 1/20

6:00 am-12:46 pm

1 stop7h 46m

Portland

Sat 1/24

1:53 pm-10:28 pm

1 stop7h 35m

$309

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Tue 1/20

6:00 am-12:46 pm

1 stop7h 46m

Portland

Sat 1/24

1:39 pm-10:28 pm

2 stops7h 49m

$314

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Wed 2/11

2:40 pm-9:12 pm

1 stop7h 32m

Portland

Mon 2/16

5:05 am-1:13 pm

1 stop7h 08m

$337

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Wed 2/11

5:10 am-2:46 pm

2 stops10h 36m

Portland

Mon 2/16

5:05 am-1:13 pm

1 stop7h 08m

$342

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Thu 1/22

7:00 am-2:46 pm

2 stops8h 46m

Portland

Mon 1/26

1:35 pm-10:29 pm

2 stops7h 54m

$345

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Fri 5/1

2:42 pm-12:48 am

2 stops11h 06m

Portland

Wed 5/6

5:15 am-1:08 pm

1 stop6h 53m

$354

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

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

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

Prices

Airlines

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

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Rapid City is in May. Flight prices, which tend to average around $315, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in May, then you should wait until July to fly from Rapid City, when ticket prices are also cheap, with an average price of $318.

When to book flights from Rapid City to Portland

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

Estimated round-trip price

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

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

Fastest flight time	7h 23m
Direct flights	None

The fastest flight from Rapid City to Portland takes 7h 23m

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

Search flight deals

How far is Rapid City to Portland by plane?
The distance between Rapid City and Portland is about 955.5 mi. 7h 23m is a normal flight duration for this route.
When did momondo last update prices for flights from Rapid City Airport to Portland Airport?
Prices for flights from Rapid City Airport to Portland Airport were last updated today.
How many operators does momondo search for flights from Rapid City Airport to Portland Airport?
The number of operators available for flights from Rapid City Airport to Portland Airport is 1 as of January 2026.
How old do you have to be to fly from Rapid City Airport to Portland Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rapid City Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The required travel and health documents for your Portland 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 Portland 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 Rapid City to Portland?
Based on momondo bookings for flights between Rapid City and Portland, the leading airline is United Airlines, making up 100% of the total bookings.

Best airlines flying from Rapid City to Portland

Compare and see reviews for airlines that fly from Rapid City to Portland with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $283	Free Cancellation	Rating 7.4 9,138 reviews		Search United Airlines flights

Lincoln City

Seaside

Cannon Beach

Vancouver

Salem

Astoria

Long Beach

Depoe Bay

Rockaway Beach

Beaverton

Hillsboro

Hood River

McMinnville

Gresham

Longview

Tigard

Pacific City

The Dalles

Manzanita

Newberg

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Rapid City to Portland. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Portland from Rapid City which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Rapid City to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Rapid City to Portland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.