Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Rapid City to Portland from $160

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 8/1. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Rapid City to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 9:32 am
RAP
-
PDX
5h 32m
1 stop
United Airlines Logo
4:05 pm - 10:28 pm
PDX
-
RAP
5h 23m
1 stop
$319United Airlines
Tue, Aug 18 - Tue, Aug 25
United Airlines Logo
11:17 am - 3:03 pm
RAP
-
PDX
4h 46m
1 stop
United Airlines Logo
1:13 pm - 10:30 pm
PDX
-
RAP
8h 17m
2 stops
$324United Airlines
Wed, Oct 21 - Sat, Oct 24
Delta Logo
4:38 pm - 11:43 pm
RAP
-
PDX
8h 05m
1 stop
Delta Logo
3:15 pm - 10:30 pm
PDX
-
RAP
6h 15m
1 stop
$329Delta
Fri, Oct 23 - Mon, Oct 26
United Airlines Logo
5:00 am - 9:32 am
RAP
-
PDX
5h 32m
1 stop
United Airlines Logo
7:00 am - 5:43 pm
PDX
-
RAP
9h 43m
2 stops
$334United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
11:22 am - 3:06 pm
RAP
-
PDX
4h 44m
1 stop
United Airlines Logo
9:00 am - 8:37 pm
PDX
-
RAP
10h 37m
2 stops
$350United Airlines
Tue, Aug 18 - Tue, Aug 25
United Airlines Logo
5:00 am - 9:32 am
RAP
-
PDX
5h 32m
1 stop
United Airlines Logo
4:07 pm - 10:33 pm
PDX
-
RAP
5h 26m
1 stop
$360United Airlines
Tue, Sep 8 - Tue, Sep 15
United Airlines Logo
5:00 am - 9:32 am
RAP
-
PDX
5h 32m
1 stop
United Airlines Logo
9:00 am - 8:38 pm
PDX
-
RAP
10h 38m
2 stops
$365United Airlines
Tue, Sep 8 - Tue, Sep 15
American Airlines Logo
11:45 am - 4:51 pm
RAP
-
PDX
6h 06m
1 stop
American Airlines Logo
5:15 am - 12:08 pm
PDX
-
RAP
5h 53m
1 stop
$369American Airlines
Wed, Aug 5 - Mon, Aug 10
United Airlines Logo
9:00 am - 3:13 pm
RAP
-
PDX
7h 13m
1 stop
United Airlines Logo
5:00 am - 12:24 pm
PDX
-
RAP
6h 24m
1 stop
$397United Airlines
Sat, Aug 8 - Wed, Aug 12
Delta Logo
4:31 pm - 11:10 pm
RAP
-
PDX
7h 39m
1 stop
Delta Logo
12:25 am - 10:01 am
PDX
-
RAP
8h 36m
1 stop
$401Delta
Thu, Sep 24 - Sun, Sep 27

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.
Search flight deals

Delta flights from Rapid City to Portland

Our best Delta deals on Rapid City to Portland flight tickets
Delta
Oct 23
RAP4:38 pmRapid City
8h 05m
1 stop
PDX11:43 pmPortland
Oct 26
PDX3:15 pmPortland
6h 15m
1 stop
RAP10:30 pmRapid City
$329
Delta
Sep 24
RAP4:31 pmRapid City
7h 39m
1 stop
PDX11:10 pmPortland
Sep 27
PDX12:25 amPortland
8h 36m
1 stop
RAP10:01 amRapid City
$401
Delta
Oct 23
RAP4:38 pmRapid City
17h 08m
2 stops
PDX8:46 amPortland
Oct 27
PDX6:00 amPortland
8h 57m
1 stop
RAP3:57 pmRapid City
$407

United Airlines flights from Rapid City to Portland

Our best United Airlines deals on Rapid City to Portland flight tickets
United Airlines
Aug 18
RAP5:00 amRapid City
5h 32m
1 stop
PDX9:32 amPortland
Aug 25
PDX4:05 pmPortland
5h 23m
1 stop
RAP10:28 pmRapid City
$319
United Airlines
Oct 21
RAP11:17 amRapid City
4h 46m
1 stop
PDX3:03 pmPortland
Oct 24
PDX1:13 pmPortland
8h 17m
2 stops
RAP10:30 pmRapid City
$324
United Airlines
Aug 25
RAP5:00 amRapid City
5h 32m
1 stop
PDX9:32 amPortland
Aug 29
PDX7:00 amPortland
9h 43m
2 stops
RAP5:43 pmRapid City
$334

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 July 25, 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
Quickest round-trip

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Tue 8/18

5:00 am-9:32 am

1 stop5h 32m

Portland

Tue 8/25

4:05 pm-10:28 pm

1 stop5h 23m

$319

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Wed 10/21

11:17 am-3:03 pm

1 stop4h 46m

Portland

Sat 10/24

1:13 pm-10:30 pm

2 stops8h 17m

$324

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Fri 10/23

4:38 pm-11:43 pm

1 stop8h 05m

Portland

Mon 10/26

3:15 pm-10:30 pm

1 stop6h 15m

$329

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Tue 8/25

5:00 am-9:32 am

1 stop5h 32m

Portland

Sat 8/29

7:00 am-5:43 pm

2 stops9h 43m

$334

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Tue 8/18

11:22 am-3:06 pm

1 stop4h 44m

Portland

Tue 8/25

9:00 am-8:37 pm

2 stops10h 37m

$350

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Tue 9/8

5:00 am-9:32 am

1 stop5h 32m

Portland

Tue 9/15

4:07 pm-10:33 pm

1 stop5h 26m

$360

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Tue 9/8

5:00 am-9:32 am

1 stop5h 32m

Portland

Tue 9/15

9:00 am-8:38 pm

2 stops10h 38m

$365

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Wed 8/5

11:45 am-4:51 pm

1 stop6h 06m

Portland

Mon 8/10

5:15 am-12:08 pm

1 stop5h 53m

$369

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Sat 8/8

9:00 am-3:13 pm

1 stop7h 13m

Portland

Wed 8/12

5:00 am-12:24 pm

1 stop6h 24m

$397

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Thu 9/24

4:31 pm-11:10 pm

1 stop7h 39m

Portland

Sun 9/27

12:25 am-10:01 am

1 stop8h 36m

$401

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $318 to $464.
The lowest price recently found on this route was $319.

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Rapid City is in December. Flight prices, which tend to average around $273, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in December, then you should wait until January to fly from Rapid City, when ticket prices are also cheap, with an average price of $328.

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 32m

Direct flights

None
The fastest flight from Rapid City to Portland takes 5h 32m
There are no direct flights from Rapid City to Portland. There are no popular flight routes from Rapid City to Portland.
Search flight deals

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 32m 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
7.8
8,486 reviews
Search Delta flights
United AirlinesPriceFrom $298Free CancellationRating
7.4
10,034 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
Vancouver
Cannon Beach
Salem
Astoria
Long Beach
Beaverton
Rockaway Beach
Hillsboro
Depoe Bay
Tigard
Hood River
Longview
Newberg
Clackamas
Troutdale
Gresham
Kelso
McMinnville

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.

An easier way to manage your Portland 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 8/24
Mon 8/31
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States