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Cheap flights from Rapid City to Portland from $194

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Portland departing on 7/19. 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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0 bags

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Find the cheapest flights from Rapid City to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:44 am - 4:42 pm
RAP
-
PDX
5h 58m
1 stop
American Airlines Logo
5:06 am - 12:11 pm
PDX
-
RAP
6h 05m
1 stop
$349American Airlines
Tue, Jun 16 - Mon, Jun 22
American Airlines Logo
11:44 am - 4:38 pm
RAP
-
PDX
5h 54m
1 stop
American Airlines Logo
5:15 am - 12:08 pm
PDX
-
RAP
5h 53m
1 stop
$355American Airlines
Sat, Aug 1 - Tue, Aug 11
American Airlines Logo
3:23 pm - 11:52 pm
RAP
-
PDX
9h 29m
1 stop
American Airlines Logo
11:43 pm - 9:49 am
PDX
-
RAP
9h 06m
1 stop
$369American Airlines
Tue, May 26 - Sat, May 30
United Airlines Logo
5:47 pm - 10:52 pm
RAP
-
PDX
6h 05m
1 stop
United Airlines Logo
5:00 am - 12:25 pm
PDX
-
RAP
6h 25m
1 stop
$375United Airlines
Fri, Oct 16 - Sun, Oct 18
Multiple Airlines Logo
9:50 pm - 6:04 pm
RAP
-
PDX
21h 14m
1 stop
Multiple Airlines Logo
5:16 pm - 9:00 pm
PDX
-
RAP
26h 44m
2 stops
$378Multiple Airlines
Thu, Jul 23 - Wed, Jul 29
American Airlines Logo
11:44 am - 4:38 pm
RAP
-
PDX
5h 54m
1 stop
American Airlines Logo
5:20 am - 12:10 pm
PDX
-
RAP
5h 50m
1 stop
$386American Airlines
Mon, Jul 20 - Sun, Jul 26
American Airlines Logo
11:44 am - 4:38 pm
RAP
-
PDX
5h 54m
1 stop
American Airlines Logo
5:20 am - 12:10 pm
PDX
-
RAP
5h 50m
1 stop
$395American Airlines
Sat, Jul 18 - Wed, Jul 22
American Airlines Logo
3:25 pm - 12:05 am
RAP
-
PDX
9h 40m
1 stop
American Airlines Logo
5:20 am - 12:10 pm
PDX
-
RAP
5h 50m
1 stop
$396American Airlines
Fri, Jul 3 - Mon, Jul 6
Delta Logo
6:48 am - 1:38 pm
RAP
-
PDX
7h 50m
1 stop
Delta Logo
12:32 am - 10:01 am
PDX
-
RAP
8h 29m
1 stop
$424Delta
Sat, Aug 8 - Fri, Aug 14
American Airlines Logo
11:44 am - 4:38 pm
RAP
-
PDX
5h 54m
1 stop
American Airlines Logo
5:20 am - 12:10 pm
PDX
-
RAP
5h 50m
1 stop
$441American Airlines
Sat, Jul 18 - Wed, Jul 22

American Airlines flights from Rapid City to Portland

Our best American Airlines deals on Rapid City to Portland flight tickets
American Airlines
Jun 16
RAP11:44 amRapid City
5h 58m
1 stop
PDX4:42 pmPortland
Jun 22
PDX5:06 amPortland
6h 05m
1 stop
RAP12:11 pmRapid City
$349
American Airlines
Aug 1
RAP11:44 amRapid City
5h 54m
1 stop
PDX4:38 pmPortland
Aug 11
PDX5:15 amPortland
5h 53m
1 stop
RAP12:08 pmRapid City
$355
American Airlines
May 26
RAP3:23 pmRapid City
9h 29m
1 stop
PDX11:52 pmPortland
May 30
PDX11:43 pmPortland
9h 06m
1 stop
RAP9:49 amRapid City
$369

Delta flights from Rapid City to Portland

Our best Delta deals on Rapid City to Portland flight tickets
Delta
Aug 8
RAP6:48 amRapid City
7h 50m
1 stop
PDX1:38 pmPortland
Aug 14
PDX12:32 amPortland
8h 29m
1 stop
RAP10:01 amRapid City
$424
Delta
Oct 16
RAP4:00 pmRapid City
8h 47m
1 stop
PDX11:47 pmPortland
Oct 18
PDX6:15 amPortland
8h 31m
1 stop
RAP3:46 pmRapid City
$449
Delta
Jul 3
RAP6:48 amRapid City
10h 31m
2 stops
PDX4:19 pmPortland
Jul 6
PDX3:00 pmPortland
6h 37m
1 stop
RAP10:37 pmRapid City
$489

momondo Fare Finder

 
Customize your flight search to find flights from Rapid City to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 13, 2026.
Use the filters below to find and compare flights from Rapid City to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Tue 6/16

11:44 am-4:42 pm

1 stop5h 58m

Portland

Mon 6/22

5:06 am-12:11 pm

1 stop6h 05m

$349

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Sat 8/1

11:44 am-4:38 pm

1 stop5h 54m

Portland

Tue 8/11

5:15 am-12:08 pm

1 stop5h 53m

$355

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Tue 5/26

3:23 pm-11:52 pm

1 stop9h 29m

Portland

Sat 5/30

11:43 pm-9:49 am

1 stop9h 06m

$369

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Fri 10/16

5:47 pm-10:52 pm

1 stop6h 05m

Portland

Sun 10/18

5:00 am-12:25 pm

1 stop6h 25m

$375

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Thu 7/23

9:50 pm-6:04 pm

1 stop21h 14m

Portland

Wed 7/29

5:16 pm-9:00 pm

2 stops26h 44m

$378
Quickest round-trip

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Mon 7/20

11:44 am-4:38 pm

1 stop5h 54m

Portland

Sun 7/26

5:20 am-12:10 pm

1 stop5h 50m

$386

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Sat 7/18

11:44 am-4:38 pm

1 stop5h 54m

Portland

Wed 7/22

5:20 am-12:10 pm

1 stop5h 50m

$395

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Fri 7/3

3:25 pm-12:05 am

1 stop9h 40m

Portland

Mon 7/6

5:20 am-12:10 pm

1 stop5h 50m

$396

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Sat 8/8

6:48 am-1:38 pm

1 stop7h 50m

Portland

Fri 8/14

12:32 am-10:01 am

1 stop8h 29m

$424

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Sat 7/18

11:44 am-4:38 pm

1 stop5h 54m

Portland

Wed 7/22

5:20 am-12:10 pm

1 stop5h 50m

$441

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Portland from

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

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 January. Flight prices, which tend to average around $328, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in January, then you should wait until December to fly from Rapid City, when ticket prices are also cheap, with an average price of $333.

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

5h 47m

Direct flights

None
The fastest flight from Rapid City to Portland takes 5h 47m
There are no direct flights from Rapid City to Portland. There are no popular flight routes from Rapid City to Portland.
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Frequently asked questions about flying from Rapid City to Portland

  • How far is Rapid City to Portland by plane?

    The distance between Rapid City and Portland is about 955.5 mi. 5h 47m 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?

  • 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?

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
DeltaPriceFrom $258Free CancellationRating
7.9
8,450 reviews
Search Delta flights
United AirlinesPriceFrom $298Free CancellationRating
7.4
9,706 reviews
Search United Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Rockaway Beach
Beaverton
Depoe Bay
Hillsboro
Tigard
Longview
Hood River
Troutdale
Newberg
The Dalles
Gresham
McMinnville
Manzanita

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.

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