$150+ 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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — PDX
Jul 6 — Jul 131
Round-trip
1 adult, Economy
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Find cheap flights from Rapid City to Portland with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Rapid City to Portland
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Cheapest flights from Rapid City to PortlandExplore 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 June 6, 2026.
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 June 6, 2026.
This Delta deal was found by Cheapflights users on 6/3. 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.
Thu 8/204:30 pm
RAP
- PDX
1 stop7h 55m
Delta
Mon 8/243:00 pm
PDX
- RAP
1 stop6h 37m
Delta
Deal found 6/3![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 6/2. 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.
Sun 6/214:29 pm
RAP
- PDX
1 stop7h 49m
Delta
Tue 6/306:00 am
PDX
- RAP
1 stop8h 48m
Delta
Deal found 6/2![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Sat 7/117:00 am
RAP
- PDX
1 stop6h 58m
United Airlines
Sat 7/184:15 pm
PDX
- RAP
1 stop5h 18m
United Airlines
Deal found 6/5![United Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 6/3. 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.
Thu 7/24:55 pm
RAP
- PDX
1 stop9h 00m
American Airlines
Tue 7/75:20 am
PDX
- RAP
1 stop5h 50m
American Airlines
Deal found 6/3![American Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:36 pm
RAP
- PDX
1 stop27h 12m
Multiple Airlines
Mon 8/35:49 pm
PDX
- RAP
2 stops43h 57m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$395
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Sat 9/195:00 am
RAP
- PDX
1 stop5h 32m
United Airlines
Wed 9/235:00 am
PDX
- RAP
1 stop6h 24m
United Airlines
Deal found 6/4![United Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Wed 7/15:00 pm
RAP
- PDX
1 stop8h 50m
American Airlines
Sun 7/55:20 am
PDX
- RAP
1 stop5h 50m
American Airlines
Deal found 6/4![American Airlines logo]()
$400
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Wed 7/13:31 pm
RAP
- PDX
1 stop6h 44m
United Airlines
Tue 7/75:00 am
PDX
- RAP
1 stop6h 29m
United Airlines
Deal found 6/1![United Airlines logo]()
$402
This American Airlines deal was found by Cheapflights users on 6/3. 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.
Mon 7/134:55 pm
RAP
- PDX
1 stop9h 00m
American Airlines
Sun 7/195:20 am
PDX
- RAP
1 stop5h 50m
American Airlines
Deal found 6/3![American Airlines logo]()
$440
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Fri 7/175:53 pm
RAP
- PDX
1 stop6h 20m
United Airlines
Wed 7/225:00 am
PDX
- RAP
1 stop5h 30m
United Airlines
Deal found 6/2![United Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 6/1. 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.
Sat 7/1811:44 am
RAP
- PDX
1 stop5h 54m
American Airlines
Wed 7/225:20 am
PDX
- RAP
1 stop5h 50m
American Airlines
Deal found 6/1![American Airlines logo]()
$461
Best flights from Rapid City to PortlandDiscover carefully curated flight deals from Rapid City to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 6, 2026.
Discover carefully curated flight deals from Rapid City to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 6, 2026.
This Delta deal was found by Cheapflights users on 6/3. 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.
Thu 8/204:30 pm
RAP
- PDX
1 stop7h 55m
Delta
Mon 8/243:00 pm
PDX
- RAP
1 stop6h 37m
Delta
Deal found 6/3![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Sat 9/195:00 am
RAP
- PDX
1 stop5h 32m
United Airlines
Wed 9/235:00 am
PDX
- RAP
1 stop6h 24m
United Airlines
Deal found 6/4![United Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/135:27 pm
RAP
- PDX
2 stops24h 04m
Multiple Airlines
Sun 7/196:38 pm
PDX
- RAP
1 stop25h 30m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 6/2. 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.
Sun 6/214:29 pm
RAP
- PDX
1 stop7h 49m
Delta
Tue 6/306:00 am
PDX
- RAP
1 stop8h 48m
Delta
Deal found 6/2![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 6/5. 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.
Wed 11/254:00 pm
RAP
- PDX
1 stop8h 47m
Delta
Sun 11/291:25 pm
PDX
- RAP
1 stop8h 14m
Delta
Deal found 6/5![Delta logo]()
$483
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Sat 7/187:00 am
RAP
- PDX
1 stop6h 58m
United Airlines
Wed 7/228:35 am
PDX
- RAP
2 stops12h 50m
United Airlines
Deal found 6/5![United Airlines logo]()
$588
This Delta deal was found by Cheapflights users on 6/1. 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.
Thu 9/34:30 pm
RAP
- PDX
2 stops8h 09m
Delta
Mon 9/73:00 pm
PDX
- RAP
1 stop6h 37m
Delta
Deal found 6/1![Delta logo]()
$652
Last-minute flights from Rapid City to PortlandDiscover last-minute flight deals from Rapid City to Portland. Data last updated June 6, 2026 and is based on user searches.
Discover last-minute flight deals from Rapid City to Portland. Data last updated June 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/2. 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.
Sun 6/214:29 pm
RAP
- PDX
1 stop7h 49m
Delta
Tue 6/306:00 am
PDX
- RAP
1 stop8h 48m
Delta
Deal found 6/2![Delta logo]()
$344
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Wed 7/15:00 pm
RAP
- PDX
1 stop8h 50m
American Airlines
Sun 7/55:20 am
PDX
- RAP
1 stop5h 50m
American Airlines
Deal found 6/4![American Airlines logo]()
$400
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Wed 7/13:31 pm
RAP
- PDX
1 stop6h 44m
United Airlines
Tue 7/75:00 am
PDX
- RAP
1 stop6h 29m
United Airlines
Deal found 6/1![United Airlines logo]()
$402
This American Airlines deal was found by Cheapflights users on 6/3. 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.
Thu 7/24:55 pm
RAP
- PDX
1 stop9h 00m
American Airlines
Tue 7/75:20 am
PDX
- RAP
1 stop5h 50m
American Airlines
Deal found 6/3![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Sat 7/117:00 am
RAP
- PDX
1 stop6h 58m
United Airlines
Sat 7/184:15 pm
PDX
- RAP
1 stop5h 18m
United Airlines
Deal found 6/5![United Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 6/3. 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.
Mon 7/134:55 pm
RAP
- PDX
1 stop9h 00m
American Airlines
Sun 7/195:20 am
PDX
- RAP
1 stop5h 50m
American Airlines
Deal found 6/3![American Airlines logo]()
$440
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Fri 7/175:53 pm
RAP
- PDX
1 stop6h 20m
United Airlines
Wed 7/225:00 am
PDX
- RAP
1 stop5h 30m
United Airlines
Deal found 6/2![United Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 6/1. 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.
Sat 7/1811:44 am
RAP
- PDX
1 stop5h 54m
American Airlines
Wed 7/225:20 am
PDX
- RAP
1 stop5h 50m
American Airlines
Deal found 6/1![American Airlines logo]()
$461
This American Airlines deal was found by Cheapflights users on 6/2. 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.
Sat 7/1811:44 am
RAP
- PDX
1 stop5h 54m
American Airlines
Mon 7/275:20 am
PDX
- RAP
1 stop5h 50m
American Airlines
Deal found 6/2![American Airlines logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:36 pm
RAP
- PDX
1 stop27h 12m
Multiple Airlines
Mon 8/35:49 pm
PDX
- RAP
2 stops43h 57m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$395
One-way flights from Rapid City to PortlandSearch for one-way flight options from Rapid City to Portland. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
Search for one-way flight options from Rapid City to Portland. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1812:05 pm
RAP
- PDX
1 stop30h 43m
Allegiant Air
Deal found 6/3![Allegiant Air logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:25 pm
RAP
- PDX
1 stop30h 23m
Allegiant Air
Deal found 6/2![Allegiant Air logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:50 pm
RAP
- PDX
1 stop20h 04m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:36 pm
RAP
- PDX
1 stop29h 48m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$212
This Mytrip deal was found by Cheapflights users on 6/2. 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.
Fri 7/243:21 pm
RAP
- PDX
1 stop8h 22m
Sun Country Air
Deal found 6/2![Sun Country Air logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/249:58 pm
RAP
- PDX
2 stops19h 53m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:22 pm
RAP
- PDX
3 stops45h 35m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1812:05 pm
RAP
- PDX
2 stops48h 30m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:25 pm
RAP
- PDX
3 stops53h 29m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$289
Find 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 June 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (Delta) |
One-way from | $150 (Kiwi.com) |
Popular in | September |
Cheapest in | January |
Average price | $388 |
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 June 6, 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
Cheapest round-trip
Rapid CityPortland
RAP - PDX
RAPPDX
Rapid City
Thu 8/20
4:30 pm-11:25 pm
1 stop7h 55m
Portland
Mon 8/24
3:00 pm-10:37 pm
1 stop6h 37m
$319
Rapid CityPortland
RAP - PDX
RAPPDX
Rapid City
Sun 6/21
4:29 pm-11:18 pm
1 stop7h 49m
Portland
Tue 6/30
6:00 am-3:48 pm
1 stop8h 48m
$344
Quickest round-trip
Rapid CityPortland
RAP - PDX
RAPPDX
Rapid City
Sat 9/19
5:00 am-9:32 am
1 stop5h 32m
Portland
Wed 9/23
5:00 am-12:24 pm
1 stop6h 24m
$399
Rapid CityPortland
RAP - PDX
RAPPDX
Rapid City
Wed 11/25
4:00 pm-11:47 pm
1 stop8h 47m
Portland
Sun 11/29
1:25 pm-10:39 pm
1 stop8h 14m
$483
Rapid CityPortland
RAP - PDX
RAPPDX
Rapid City
Mon 7/13
5:27 pm-4:31 pm
2 stops24h 04m
Portland
Sun 7/19
6:38 pm-9:08 pm
1 stop25h 30m
$487
Rapid CityPortland
RAP - PDX
RAPPDX
Rapid City
Sat 7/18
7:00 am-12:58 pm
1 stop6h 58m
Portland
Wed 7/22
8:35 am-10:25 pm
2 stops12h 50m
$588
Rapid CityPortland
RAP - PDX
RAPPDX
Rapid City
Thu 9/3
4:30 pm-11:39 pm
2 stops8h 09m
Portland
Mon 9/7
3:00 pm-10:37 pm
1 stop6h 37m
$652
Cheapest one-way
Rapid CityPortland
RAP - PDX
RAPPDX
Rapid City
Sat 7/18
12:05 pm-5:48 pm
1 stop30h 43m
$150
Rapid CityPortland
RAP - PDX
RAPPDX
Rapid City
Fri 7/24
9:58 pm-4:51 pm
2 stops19h 53m
$246
Rapid CityPortland
RAP - PDX
RAPPDX
Rapid City
Mon 8/31
8:22 pm-4:57 pm
3 stops45h 35m
$259
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Rapid City to Portland
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rapid City to Portland in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Rapid City-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Portland flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Rapid City-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rapid City-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
RAP-PDX
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, January is the cheapest month in which you can book a flight from Rapid City to Portland (average of $328). Flying from Rapid City to Portland in September is currently the most expensive (average of $532). 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.
How much does it cost to fly round-trip from Rapid City to Portland?
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 June 6, 2026.
Read reviews from past customers who have flown Delta and United 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.
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
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Rapid City and Portland flights
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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 June 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$258 | Average$328 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$298 | Average$459 | FlexibilityNo cancel fee | On-time69% |