PDX - RAP

$301 Find Cheap Flights from Portland to Rapid City - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$349
Typical prices: $359-$560
American Airlines
Mon 10/22Tue 10/30
PDX - RAP • 1 stop
Cheapest one-way
$301
Typical prices: $275-$415
Multiple Airlines
Tue 11/6
PDX - RAP • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Portland and Rapid City. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
April
Cheapest • 38% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Minneapolis St Paul (MSP)
Cheapest • Avg $444 (round-trip)
Denver Intl (DEN)
Shortest trip • 5h 41m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Portland to Rapid City (PDX-RAP)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Rapid City

Thu, Oct 22 - Fri, Oct 30
American Airlines Logo
11:49 pm - 9:54 amPDX  Portland-RAP Rapid City
9h 05m1 stop Dallas/Fort Worth
American Airlines Logo
5:04 pm - 11:39 pmRAP  Rapid City-PDX Portland
7h 35m1 stop Dallas/Fort Worth
$349American Airlines
Sun, Nov 22 - Thu, Nov 26
United Airlines Logo
4:25 pm - 10:30 pmPDX  Portland-RAP Rapid City
5h 05m1 stop Denver Intl
United Airlines Logo
8:45 am - 1:22 pmRAP  Rapid City-PDX Portland
5h 37m1 stop Denver Intl
$349United Airlines
Fri, Oct 30 - Sun, Nov 1
United Airlines Logo
5:00 am - 11:58 amPDX  Portland-RAP Rapid City
5h 58m1 stop Denver Intl
United Airlines Logo
5:00 am - 9:36 amRAP  Rapid City-PDX Portland
5h 36m1 stop Denver Intl
$349United Airlines
Sun, Nov 22 - Thu, Nov 26
United Airlines Logo
4:25 pm - 10:30 pmPDX  Portland-RAP Rapid City
5h 05m1 stop Denver Intl
United Airlines Logo
5:00 am - 12:26 pmRAP  Rapid City-PDX Portland
8h 26m2 stops Denver Intl San Francisco
$354United Airlines
Thu, Oct 22 - Fri, Oct 30
Delta Logo
6:00 am - 1:57 pmPDX  Portland-RAP Rapid City
6h 57m1 stop Minneapolis St Paul
Delta Logo
6:39 am - 12:38 pmRAP  Rapid City-PDX Portland
6h 59m1 stop Minneapolis St Paul
$374Delta
Sat, Sep 26 - Wed, Sep 30
Delta Logo
1:42 pm - 10:18 pmPDX  Portland-RAP Rapid City
7h 36m1 stop Minneapolis St Paul
Delta Logo
6:48 am - 12:37 pmRAP  Rapid City-PDX Portland
6h 49m1 stop Minneapolis St Paul
$379Delta
Thu, Nov 5 - Sun, Nov 8
Delta Logo
3:22 pm - 10:30 pmPDX  Portland-RAP Rapid City
6h 08m1 stop Minneapolis St Paul
Delta Logo
2:37 pm - 8:02 pmRAP  Rapid City-PDX Portland
6h 25m1 stop Minneapolis St Paul
$403Delta
Fri, Oct 30 - Sun, Nov 1
American Airlines Logo
11:49 pm - 9:54 amPDX  Portland-RAP Rapid City
9h 05m1 stop Dallas/Fort Worth
American Airlines Logo
1:09 pm - 7:32 pmRAP  Rapid City-PDX Portland
7h 23m1 stop Dallas/Fort Worth
$404American Airlines
Tue, Oct 6 - Tue, Oct 13
American Airlines Logo
11:49 pm - 9:54 amPDX  Portland-RAP Rapid City
9h 05m1 stop Dallas/Fort Worth
American Airlines Logo
5:04 pm - 11:39 pmRAP  Rapid City-PDX Portland
7h 35m1 stop Dallas/Fort Worth
$431American Airlines
Thu, Sep 24 - Thu, Oct 1
American Airlines Logo
5:10 am - 12:06 pmPDX  Portland-RAP Rapid City
5h 56m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
11:45 am - 4:54 pmRAP  Rapid City-PDX Portland
6h 09m1 stop Phoenix Sky Harbor Intl
$444American Airlines
Booking Insights

Price, demand and travel trends for Portland to Rapid City flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Portland to Rapid City with more confidence.

How much is a round-trip flight from Portland to Rapid City?

Round-trip flights from Portland to Rapid City start at $349. Prices are below average for this route right now, with typical round-trip fares ranging from $359 to $560. The lowest price found in the past 5 days was $349 on American Airlines.

What's the cheapest day of the week to fly from Portland to Rapid City?

Friday is the cheapest day of the week to fly from Portland to Rapid City, it is 11% cheaper than the average day. Monday is the most expensive day with flight prices 32% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Portland to Rapid City?

  • April is the cheapest month to fly from Portland to Rapid City at $284 round-trip.
  • March ($756) and December ($563) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 166% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Portland to Rapid City flights

Low season

March

Cheapest flight

$301
Best time to beat the crowds but there is an average 65% increase in price.
Most popular time to fly with an average 10% increase in price.
Flight from Portland to Rapid City

When to book flights from Portland to Rapid City

Are your dates flexible? Find out the best times to travel from Portland to Rapid City based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Portland to Rapid City flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Portland to Rapid City?

    Flights from Portland to Rapid City usually depart from Portland (PDX) and arrive at Rapid City (RAP).

  • What cabin classes can I book on flights from Portland to Rapid City?

    Two cabin classes are available on flights from Portland to Rapid City:

    • Economy Class
    • First Class

  • Which airports do connecting flights from Portland to Rapid City pass through?

    One-stop flights from Portland to Rapid City most commonly connect through:

    • Denver Intl (DEN) - 75% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 15% of one-stop connections
    • Minneapolis St Paul (MSP) - 8% of one-stop connections
    • Dallas/Fort Worth (DFW) - 2% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Portland to Rapid City?

    Yes. Being flexible with your travel dates can save you up to 33% on the Portland to Rapid City route. Friday is the cheapest departure day at $408 round-trip on average, while Monday is the most expensive at $606, a difference of $198. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from Portland to Rapid City?

    A nonstop flight from Portland to Rapid City takes 0h 00m, covering 960 miles.

  • Do I need a passport to fly from Portland to Rapid City?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Portland to Rapid City changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $349 to $1,344. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Portland to Rapid City looking right now?

    One-way fares from Portland to Rapid City are currently higher than usual. Average one-way flight prices are about $370, which is 7% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Portland to Rapid City?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 5h 41m, compared with 5h 55m via Phoenix Sky Harbor Intl (PHX) and 8h 03m via Minneapolis St Paul (MSP).

  • What is the time difference between Portland and Rapid City?

    Rapid City is 1 hour ahead of Portland (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Rapid City Airport (RAP)?

    Rapid City Airport (RAP) hosts 5 major car rental companies, with daily rates starting from around $36 for economy cars. Top options include:
    • Budget
    • Hertz
    • Alamo
    • Thrifty
    • Enterprise Rent-A-Car

  • How much should I expect to pay for a Portland to Rapid City flight?

    Round-trip flights from Portland to Rapid City range from $359 to $560, with an average of $458 over the past 12 months. Anything below $359 counts as a good deal.

Your guide to booking Portland to Rapid City flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Friday departure instead of Monday. On this route, Friday flights average $408 - about $198 less than Monday (33% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Portland to Rapid City trip for April. Fares historically average $284 round-trip in that month - typically $472 less than the most expensive month, which is March (based on the last 12 months).

More options for your flight from Portland to Rapid City

Complete your trip to Rapid City with a hotel stay or car rental

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