$195+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — RAP
Dec 11 — Dec 181
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
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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 Portland to Rapid City
Cheapest
Best
Last-minute
One-way
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 November 11, 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 November 11, 2026.
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/44:27 pm -
1 stop5h 02m
Fri 12/112:35 pm -
1 stop7h 40m
Deal found 11/6![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 11/11. 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 12/84:27 pm -
1 stop5h 02m
Sun 12/135:00 am -
1 stop5h 36m
Deal found 11/11![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 11/9. 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 12/39:23 am -
2 stops12h 23m
Sun 12/66:42 am -
1 stop7h 06m
Deal found 11/9![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/314:28 pm -
1 stop5h 07m
Mon 1/43:55 pm -
1 stop8h 20m
Deal found 11/8![United Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 11/6. 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 11/131:15 pm -
1 stop6h 28m
Fri 12/115:00 am -
1 stop5h 36m
Deal found 11/6![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 11/6. 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 11/131:30 pm -
2 stops8h 11m
Fri 12/112:40 pm -
2 stops9h 59m
Deal found 11/6![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 11/10. 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 12/85:00 am -
1 stop7h 03m
Tue 12/1510:30 am -
2 stops10h 56m
Deal found 11/10![United Airlines logo]()
$474
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 November 11, 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 November 11, 2026.
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/44:27 pm -
1 stop5h 02m
Fri 12/112:35 pm -
1 stop7h 40m
Deal found 11/6![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 11/10. 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.
Tue 12/811:32 am -
2 stops10h 14m
Tue 12/156:42 am -
2 stops10h 55m
Deal found 11/10![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 11/11. 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 12/84:27 pm -
1 stop5h 02m
Sun 12/135:00 am -
1 stop5h 36m
Deal found 11/11![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 11/8. 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 3/235:15 am -
1 stop6h 15m
Tue 3/3011:25 am -
2 stops8h 06m
Deal found 11/8![United Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/314:28 pm -
1 stop5h 07m
Mon 1/43:55 pm -
1 stop8h 20m
Deal found 11/8![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 11/8. 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 2/121:57 pm -
1 stop7h 47m
Mon 2/1510:48 am -
2 stops8h 59m
Deal found 11/8![Delta logo]()
$558
This United Airlines deal was found by Cheapflights users on 11/10. 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 2/2512:56 pm -
1 stop5h 33m
Sat 2/277:00 am -
1 stop7h 28m
Deal found 11/10![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 11/10. 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 12/85:00 am -
1 stop7h 03m
Tue 12/1510:30 am -
2 stops10h 56m
Deal found 11/10![United Airlines logo]()
$474
Last-minute flights from Portland to Rapid CityDiscover last-minute flight deals from Portland to Rapid City. Data last updated November 11, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Rapid City. Data last updated November 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/6. 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 11/131:15 pm -
1 stop6h 28m
Fri 12/115:00 am -
1 stop5h 36m
Deal found 11/6![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 11/6. 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 11/131:30 pm -
2 stops8h 11m
Fri 12/112:40 pm -
2 stops9h 59m
Deal found 11/6![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 11/9. 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 12/39:23 am -
2 stops12h 23m
Sun 12/66:42 am -
1 stop7h 06m
Deal found 11/9![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/44:27 pm -
1 stop5h 02m
Fri 12/112:35 pm -
1 stop7h 40m
Deal found 11/6![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 11/11. 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 12/84:27 pm -
1 stop5h 02m
Sun 12/135:00 am -
1 stop5h 36m
Deal found 11/11![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 11/10. 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 12/85:00 am -
1 stop7h 03m
Tue 12/1510:30 am -
2 stops10h 56m
Deal found 11/10![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/314:28 pm -
1 stop5h 07m
Mon 1/43:55 pm -
1 stop8h 20m
Deal found 11/8![United Airlines logo]()
$394
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 November 11, 2026.
Search for one-way flight options from Portland to Rapid City. Find affordable one-way fares based on user searches. Data last updated November 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Tue 12/155:10 pm -
2 stops23h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Multiple Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/216:53 pm -
1 stop13h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$266
This United Airlines deal was found by Cheapflights users on 11/10. 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 12/154:27 pm -
1 stop5h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![United Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/218:34 am -
2 stops34h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Allegiant Air logo]()
$345
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/225:00 am -
1 stop5h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![United Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Tue 12/2210:28 pm -
3 stops33h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 11/6. 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.
Tue 12/2212:26 pm -
2 stops9h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Delta logo]()
$478
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 November 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (United Airlines) |
One-way from | $195 (Kiwi.com) |
Popular in | March |
Cheapest in | April |
Average price | $472 |
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 November 11, 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
Tue 12/15
5:10 pm-5:38 pm
2 stops23h 28m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$195
Quickest round-trip
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Tue 12/15
4:27 pm-10:29 pm
1 stop5h 02m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$329
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Mon 12/21
8:34 am-8:21 pm
2 stops34h 47m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$345
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Fri 12/4
4:27 pm-10:29 pm
1 stop5h 02m
Rapid City
Fri 12/11
2:35 pm-9:15 pm
1 stop7h 40m
$359
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Tue 12/8
4:27 pm-10:29 pm
1 stop5h 02m
Rapid City
Sun 12/13
5:00 am-9:36 am
1 stop5h 36m
$369
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Tue 3/23
5:15 am-12:30 pm
1 stop6h 15m
Rapid City
Tue 3/30
11:25 am-6:31 pm
2 stops8h 06m
$374
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Tue 12/8
11:32 am-10:46 pm
2 stops10h 14m
Rapid City
Tue 12/15
6:42 am-4:37 pm
2 stops10h 55m
$379
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Mon 12/21
8:34 am-9:14 am
3 stops23h 40m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$380
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Tue 12/22
5:00 am-11:34 am
1 stop5h 34m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$393
PortlandRapid City
PDX Portland - RAP Rapid City
PDXRAP
Portland
Thu 12/31
4:28 pm-10:35 pm
1 stop5h 07m
Rapid City
Mon 1/4
3:55 pm-11:15 pm
1 stop8h 20m
$394
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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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
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 November 11, 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.
Overall
7.3
Boarding
7.7
Crew
8.1
Comfort
7.3
Entertainment
7.1
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.3
Boarding
7.7
Crew
8.1
Comfort
7.3
Entertainment
7.1
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.3
Boarding
7.7
Crew
8.1
Comfort
7.3
Entertainment
7.1
Food
6.7
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
Spearfish
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Portland and Rapid City flights
Browse other Portland and Rapid City flight options. Last updated on November 11, 2026.
Other flights from Portland
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Check out other popular destinations found by fellow travelers in 2026
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Explore flights to Rapid City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 11, 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 November 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$419 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$319 | Average$465 | FlexibilityNo cancel fee | On-time69% |