$292+ Cheap flights from Portland to Rapid City (PDX - RAP)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — RAP
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Rapid City with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Portland to Rapid City
Cheapest
Best
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Cheapest flights from Portland to Rapid CityExplore the most affordable flight options available from Portland to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Portland to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Delta deal was found by Cheapflights users on 9/15. 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 10/221:44 pm -
1 stop7h 46m
Fri 10/306:39 am -
1 stop6h 59m
Deal found 9/15![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 11/224:25 pm -
1 stop5h 05m
Thu 11/265:00 am -
2 stops8h 26m
Deal found 9/13![United Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/145:00 am -
1 stop6h 26m
Tue 10/205:00 am -
1 stop5h 36m
Deal found 9/14![United Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/214:25 pm -
1 stop5h 05m
Wed 11/255:50 pm -
1 stop6h 19m
Deal found 9/14![United Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 10/3011:49 pm -
1 stop9h 05m
Sun 11/11:09 pm -
1 stop7h 23m
Deal found 9/14![American Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Mon 11/234:25 pm -
1 stop5h 05m
Fri 11/275:50 pm -
1 stop6h 19m
Deal found 9/13![United Airlines logo]()
$414
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Thu 10/224:07 pm -
1 stop5h 23m
Fri 10/304:10 pm -
2 stops9h 34m
Deal found 9/12![United Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 11/54:25 pm -
1 stop5h 05m
Sun 11/85:50 pm -
1 stop6h 19m
Deal found 9/16![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/304:25 pm -
1 stop5h 05m
Sun 11/15:00 am -
2 stops8h 22m
Deal found 9/14![United Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 9/14. 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 9/245:10 am -
1 stop5h 56m
Thu 10/111:45 am -
1 stop6h 09m
Deal found 9/14![American Airlines logo]()
$444
Best flights from Portland to Rapid CityDiscover carefully curated flight deals from Portland to Rapid City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Portland to Rapid City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/305:00 am -
1 stop5h 58m
Sun 11/15:00 am -
1 stop5h 36m
Deal found 9/13![United Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 9/12. 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 10/2211:49 pm -
1 stop9h 05m
Fri 10/305:04 pm -
1 stop7h 35m
Deal found 9/12![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Thu 10/224:07 pm -
1 stop5h 23m
Fri 10/304:10 pm -
2 stops9h 34m
Deal found 9/12![United Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 2/212:40 pm -
1 stop6h 53m
Sat 2/62:40 pm -
1 stop7h 09m
Deal found 9/16![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/12. 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 11/64:25 pm -
1 stop5h 05m
Sun 11/85:00 am -
1 stop5h 36m
Deal found 9/12![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 11/54:25 pm -
1 stop5h 05m
Sun 11/85:50 pm -
1 stop6h 19m
Deal found 9/14![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/305:00 am -
1 stop5h 55m
Wed 10/75:00 am -
1 stop5h 28m
Deal found 9/15![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/1612:45 pm -
1 stop7h 07m
Sun 10/187:05 am -
1 stop7h 10m
Deal found 9/15![United Airlines logo]()
$460
Last-minute flights from Portland to Rapid CityDiscover last-minute flight deals from Portland to Rapid City. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Rapid City. Data last updated September 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/14. 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 9/245:10 am -
1 stop5h 56m
Thu 10/111:45 am -
1 stop6h 09m
Deal found 9/14![American Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 9/16. 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 9/3012:45 pm -
1 stop7h 07m
Wed 10/75:00 am -
1 stop5h 28m
Deal found 9/16![United Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Tue 10/611:49 pm -
1 stop9h 05m
Tue 10/135:04 pm -
1 stop7h 35m
Deal found 9/12![American Airlines logo]()
$451
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/145:00 am -
1 stop6h 26m
Tue 10/205:00 am -
1 stop5h 36m
Deal found 9/14![United Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/1612:45 pm -
1 stop7h 07m
Sun 10/187:05 am -
1 stop7h 10m
Deal found 9/15![United Airlines logo]()
$460
This Delta deal was found by Cheapflights users on 9/15. 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 10/221:44 pm -
1 stop7h 46m
Fri 10/306:39 am -
1 stop6h 59m
Deal found 9/15![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Thu 10/224:07 pm -
1 stop5h 23m
Fri 10/304:10 pm -
2 stops9h 34m
Deal found 9/12![United Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/301:25 pm -
2 stops8h 05m
Mon 11/25:00 am -
1 stop5h 36m
Deal found 9/16![United Airlines logo]()
$354
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 10/3011:49 pm -
1 stop9h 05m
Sun 11/11:09 pm -
1 stop7h 23m
Deal found 9/14![American Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/304:25 pm -
1 stop5h 05m
Sun 11/15:00 am -
2 stops8h 22m
Deal found 9/14![United Airlines logo]()
$434
One-way flights from Portland to Rapid CitySearch for one-way flight options from Portland to Rapid City. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Portland to Rapid City. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/1512:11 pm -
3 stops32h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$292
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/1211:49 pm -
1 stop9h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/14. 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 9/235:00 am -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 9/256:01 am -
1 stop10h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![American Airlines logo]()
$412
This United Airlines deal was found by Cheapflights users on 9/16. 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 9/255:00 am -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 10/153:23 pm -
2 stops19h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$470
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Mon 10/127:02 am -
2 stops25h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![United Airlines logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/2412:38 pm -
2 stops29h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$480
This Delta deal was found by Cheapflights users on 9/14. 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.
Fri 9/259:46 am -
2 stops11h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$495
Find flight deals from Portland to Rapid City
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Rapid City (RAP). 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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (Delta) |
One-way from | $292 (Kiwi.com) |
Popular in | March |
Cheapest in | April |
Average price | $500 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Rapid City 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 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Portland to Rapid City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Mon 10/12
11:49 pm-9:54 am
1 stop9h 05m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$319
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Fri 10/30
5:00 am-11:58 am
1 stop5h 58m
Rapid City
Sun 11/1
5:00 am-9:36 am
1 stop5h 36m
$349
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Thu 10/22
11:49 pm-9:54 am
1 stop9h 05m
Rapid City
Fri 10/30
5:04 pm-11:39 pm
1 stop7h 35m
$349
Quickest round-trip
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Wed 9/23
5:00 am-11:55 am
1 stop5h 55m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$361
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Fri 9/25
6:01 am-5:37 pm
1 stop10h 36m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$412
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Thu 9/24
6:00 am-1:50 pm
1 stop6h 50m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$413
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Fri 9/25
5:00 am-11:55 am
1 stop5h 55m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$413
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Thu 10/22
4:07 pm-10:30 pm
1 stop5h 23m
Rapid City
Fri 10/30
4:10 pm-12:44 am
2 stops9h 34m
$426
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Tue 2/2
12:40 pm-8:33 pm
1 stop6h 53m
Rapid City
Sat 2/6
2:40 pm-8:49 pm
1 stop7h 09m
$429
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Fri 11/6
4:25 pm-10:30 pm
1 stop5h 05m
Rapid City
Sun 11/8
5:00 am-9:36 am
1 stop5h 36m
$429
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Portland to Rapid City
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 Portland to Rapid City in September.
| 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 Portland-Rapid City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Rapid City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Rapid City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Rapid City 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 Portland-Rapid City 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 Portland to Rapid City
Have a flexible travel schedule? Discover the best time to fly to Rapid City from Portland with our price prediction graph.
PDX-RAP
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 Portland to Rapid City
What is the cheapest month to book a flight from Portland to Rapid City?
Currently, April is the cheapest month in which you can book a flight from Portland to Rapid City (average of $298). Flying from Portland to Rapid City in March is currently the most expensive (average of $756). 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 Portland to Rapid City?
Airfare is below average for this route at the moment.
Portland to Rapid City flights typically cost between $423 and $514 in October.The cheapest round-trip price found within the last 5 days was $349 on Delta (Oct 22-Oct 30).
Reviews of airlines servicing Rapid City
Get insights into the airlines that provide service to Rapid City. 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 Rapid City. Reviews last updated September 17, 2026.
Read reviews from past customers who have flown United Airlines and American Airlines from Portland to Rapid City. 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.
Comfort
7.3
Entertainment
7.1
Overall
7.4
Food
6.7
Boarding
7.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Comfort
7.3
Entertainment
7.1
Overall
7.4
Food
6.7
Boarding
7.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Comfort
7.3
Entertainment
7.1
Overall
7.4
Food
6.7
Boarding
7.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Related info for your journey
Find useful and relevant information for your journey from Portland to Rapid City. 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 Rapid City?
Book flights to Rapid City if you plan to visit one of these locationsDeadwood
Keystone
Spearfish
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip
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Portland and Rapid City flights
Browse other Portland and Rapid City flight options. Last updated on September 17, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Rapid City
Explore flights to Rapid City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Top 2 airlines flying from Portland to Rapid City
Discover the top 2 airlines that operate flights from Portland to Rapid City. 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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$298 | Average$466 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$318 | Average$429 | FlexibilityNo cancel fee | On-time71% |