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$136+ Cheap flights from Rapid City to Portland (RAP - PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — PDX
jul. 7 — jul. 141
lun. 7/7
lun. 7/14
1 adult, Economy
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Cheap flight deals from Rapid City to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 2, 2025.

Round-trip from

$301
(American Airlines)

One-way from

$136
(Mytrip)

Popular in

March

Cheapest in

February

Average price

$390
From Rapid City to Portland
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One-way flight from Rapid City to Portland
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Rapid City to Portland

Cheapest flights from Rapid City to Portland
Explore the most affordable flight options available from Rapid City to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 2, 2025.

This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/144:41 pmRAP - PDX
1 stop7h 26mAmerican Airlines
lun. 8/185:34 amPDX - RAP
1 stop9h 34mAmerican Airlines
Deal found 7/1$301
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/144:25 pmRAP - PDX
1 stop8h 06mDelta
dom. 8/1712:46 amPDX - RAP
1 stop8h 28mDelta
Deal found 7/1$313
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/175:30 amRAP - PDX
1 stop4h 58mUnited Airlines
mié. 9/244:07 pmPDX - RAP
1 stop4h 52mUnited Airlines
Deal found 7/1$329
This Mytrip deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/169:45 pmRAP - PDX
1 stop12h 59mMultiple Airlines
dom. 7/2010:23 amPDX - RAP
1 stop9h 36mMultiple Airlines
Deal found 7/1$353
This Sun Country Air deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/75:21 pmRAP - PDX
1 stop6h 25mSun Country Air
lun. 7/147:58 amPDX - RAP
1 stop7h 29mSun Country Air
Deal found 7/1$465

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated julio 2, 2025.
Use the filters below to find and compare flights from Rapid City to Portland that are best for you.

Fly from

Rapid City

Fly to

Portland

Route

Depart

Return

Price

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

jue. 8/14

4:41 pm-11:07 pm

1 stop7h 26m

Portland

lun. 8/18

5:34 am-4:08 pm

1 stop9h 34m

$301

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

jue. 8/14

4:25 pm-11:31 pm

1 stop8h 06m

Portland

dom. 8/17

12:46 am-10:14 am

1 stop8h 28m

$313

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

mié. 9/17

5:30 am-9:28 am

1 stop4h 58m

Portland

mié. 9/24

4:07 pm-9:59 pm

1 stop4h 52m

$329

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

mié. 7/16

9:45 pm-9:44 am

1 stop12h 59m

Portland

dom. 7/20

10:23 am-8:59 pm

1 stop9h 36m

$353

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

mié. 7/23

9:45 pm-9:44 am

1 stop12h 59m

$136

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

jue. 7/24

9:59 pm-9:18 am

1 stop12h 19m

$140

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

mar. 8/19

5:02 pm-10:59 pm

1 stop6h 57m

$181

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

mié. 7/23

6:50 am-3:59 pm

2 stops10h 09m

$202

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

mar. 8/19

3:19 pm-12:45 am

2 stops10h 26m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Rapid City to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Rapid City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rapid City to Portland

What is the cheapest month to book a flight from Rapid City to Portland?

Currently, November is the cheapest month in which you can book a flight from Rapid City to Portland (average of $277). Flying from Rapid City to Portland in March is currently the most expensive (average of $368). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from RAP to PDX?

Find hourly flight availability from Rapid City to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 2, 2025.

A simple way to save on the total cost of your ticket is to fly from Rapid City to Portland in the morning. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated julio 2, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Rapid City to Portland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.2
Good
709 reviews
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Rapid City to Portland round-trip?

    Currently priced at $301, American Airlines will fly you from Rapid City to Portland and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $313 and $329, respectively. Users have found that American Airlines is 25% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Rapid City to Portland one-way?

    The cheapest airlines for a one-way flight from Rapid City to Portland are Allegiant Air ($136), American Airlines ($181), and Delta ($202).

  • Can I find deals for flights from Rapid City to Portland that include hotel bookings?

    Yes. In addition to deals on Rapid City to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Portland.

  • Can I find deals for business class flights from Rapid City to Portland?

    Yes. Cheapflights offers flight deals from Rapid City to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rapid City to Portland?

    Currently, November is the cheapest month in which you can book a flight from Rapid City to Portland (average of $277). Flying from Rapid City to Portland in March is currently the most expensive (average of $368). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Seaside
Vancouver
Beaverton
Clackamas
Lincoln City
McMinnville
Lake Oswego
Hillsboro
Astoria
Long Beach
Cannon Beach
Tigard
Longview
Hood River
Depoe Bay
Woodburn
Stevenson
Pacific City
Troutdale
Gresham

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Top 2 airlines flying from Rapid City to Portland

Discover the top 2 airlines that operate flights from Rapid City to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$408FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$283Average$412FlexibilityNo cancel feeOn-time69%

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