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Cheap flights from Rapid City to Portland from $198

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Portland departing on 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Rapid City to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:08 am - 3:05 pm
RAP
-
PDX
4h 57m
1 stop
United Airlines Logo
5:00 am - 11:55 am
PDX
-
RAP
5h 55m
1 stop
$339United Airlines
Thu, Aug 20 - Sun, Aug 23
Multiple Airlines Logo
10:06 pm - 11:38 am
RAP
-
PDX
38h 32m
2 stops
Multiple Airlines Logo
6:58 pm - 9:11 pm
PDX
-
RAP
25h 13m
1 stop
$368Multiple Airlines
Thu, Aug 6 - Thu, Aug 13
Delta Logo
6:50 am - 6:06 pm
RAP
-
PDX
12h 16m
2 stops
Delta Logo
3:10 pm - 10:23 pm
PDX
-
RAP
6h 13m
1 stop
$374Delta
Thu, May 7 - Mon, May 11
Multiple Airlines Logo
10:06 pm - 6:04 pm
RAP
-
PDX
20h 58m
1 stop
Multiple Airlines Logo
6:58 pm - 9:11 pm
PDX
-
RAP
25h 13m
1 stop
$389Multiple Airlines
Thu, Aug 6 - Thu, Aug 13
Multiple Airlines Logo
10:06 pm - 11:38 am
RAP
-
PDX
38h 32m
2 stops
Multiple Airlines Logo
6:58 pm - 9:11 pm
PDX
-
RAP
25h 13m
1 stop
$400Multiple Airlines
Thu, Aug 6 - Sun, Aug 16
United Airlines Logo
5:00 am - 9:47 am
RAP
-
PDX
5h 47m
1 stop
United Airlines Logo
5:00 am - 12:29 pm
PDX
-
RAP
6h 29m
1 stop
$413United Airlines
Tue, May 26 - Fri, May 29
Multiple Airlines Logo
10:06 pm - 6:04 pm
RAP
-
PDX
20h 58m
1 stop
Multiple Airlines Logo
6:58 pm - 9:11 pm
PDX
-
RAP
25h 13m
1 stop
$421Multiple Airlines
Thu, Aug 6 - Sun, Aug 16
Multiple Airlines Logo
5:21 pm - 5:14 pm
RAP
-
PDX
24h 53m
1 stop
Multiple Airlines Logo
6:58 pm - 9:11 pm
PDX
-
RAP
25h 13m
1 stop
$423Multiple Airlines
Fri, Aug 7 - Thu, Aug 13
United Airlines Logo
5:00 am - 12:07 pm
RAP
-
PDX
8h 07m
2 stops
United Airlines Logo
5:00 am - 12:24 pm
PDX
-
RAP
6h 24m
1 stop
$424United Airlines
Wed, Aug 26 - Wed, Sep 2
Multiple Airlines Logo
10:06 pm - 6:04 pm
RAP
-
PDX
20h 58m
1 stop
Multiple Airlines Logo
6:58 pm - 9:11 pm
PDX
-
RAP
25h 13m
1 stop
$431Multiple Airlines
Sun, Aug 9 - Thu, Aug 13

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United Airlines flights from Rapid City to Portland

Our best United Airlines deals on Rapid City to Portland flight tickets
United Airlines
Aug 20
RAP11:08 amRapid City
4h 57m
1 stop
PDX3:05 pmPortland
Aug 23
PDX5:00 amPortland
5h 55m
1 stop
RAP11:55 amRapid City
$339
United Airlines
May 26
RAP5:00 amRapid City
5h 47m
1 stop
PDX9:47 amPortland
May 29
PDX5:00 amPortland
6h 29m
1 stop
RAP12:29 pmRapid City
$413
United Airlines
Aug 26
RAP5:00 amRapid City
8h 07m
2 stops
PDX12:07 pmPortland
Sep 2
PDX5:00 amPortland
6h 24m
1 stop
RAP12:24 pmRapid City
$424

American Airlines flights from Rapid City to Portland

Our best American Airlines deals on Rapid City to Portland flight tickets
American Airlines
Jun 1
RAP5:00 pmRapid City
8h 50m
1 stop
PDX12:50 amPortland
Jun 14
PDX5:00 amPortland
6h 11m
1 stop
RAP12:11 pmRapid City
$439
American Airlines
May 1
RAP4:57 pmRapid City
7h 57m
1 stop
PDX11:54 pmPortland
May 20
PDX11:40 pmPortland
9h 09m
1 stop
RAP9:49 amRapid City
$478
American Airlines
Jul 18
RAP11:44 amRapid City
5h 54m
1 stop
PDX4:38 pmPortland
Jul 22
PDX5:20 amPortland
5h 50m
1 stop
RAP12:10 pmRapid City
$482

momondo 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, momondo users made 832,500 searches. Data last updated April 26, 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

Price

Cheapest round-trip
Quickest round-trip

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Thu 8/20

11:08 am-3:05 pm

1 stop4h 57m

Portland

Sun 8/23

5:00 am-11:55 am

1 stop5h 55m

$339

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Thu 8/6

10:06 pm-11:38 am

2 stops38h 32m

Portland

Thu 8/13

6:58 pm-9:11 pm

1 stop25h 13m

$368

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Thu 5/7

6:50 am-6:06 pm

2 stops12h 16m

Portland

Mon 5/11

3:10 pm-10:23 pm

1 stop6h 13m

$374

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Thu 8/6

10:06 pm-6:04 pm

1 stop20h 58m

Portland

Thu 8/13

6:58 pm-9:11 pm

1 stop25h 13m

$389

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Thu 8/6

10:06 pm-11:38 am

2 stops38h 32m

Portland

Sun 8/16

6:58 pm-9:11 pm

1 stop25h 13m

$400

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Tue 5/26

5:00 am-9:47 am

1 stop5h 47m

Portland

Fri 5/29

5:00 am-12:29 pm

1 stop6h 29m

$413

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Thu 8/6

10:06 pm-6:04 pm

1 stop20h 58m

Portland

Sun 8/16

6:58 pm-9:11 pm

1 stop25h 13m

$421

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Fri 8/7

5:21 pm-5:14 pm

1 stop24h 53m

Portland

Thu 8/13

6:58 pm-9:11 pm

1 stop25h 13m

$423

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Wed 8/26

5:00 am-12:07 pm

2 stops8h 07m

Portland

Wed 9/2

5:00 am-12:24 pm

1 stop6h 24m

$424

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Sun 8/9

10:06 pm-6:04 pm

1 stop20h 58m

Portland

Thu 8/13

6:58 pm-9:11 pm

1 stop25h 13m

$431

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Rapid City to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Rapid City and Portland?

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Rapid City is in July. Flight prices, which tend to average around $286, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in July, then you should wait until January to fly from Rapid City, when ticket prices are also cheap, with an average price of $328.

When to book flights from Rapid City to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Rapid City to Portland according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rapid City to Portland (RAP to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rapid City to Portland

Fastest flight time

4h 57m

Direct flights

None
The fastest flight from Rapid City to Portland takes 4h 57m
There are no direct flights from Rapid City to Portland. There are no popular flight routes from Rapid City to Portland.
Search flight deals

Frequently asked questions about flying from Rapid City to Portland

  • How far is Rapid City to Portland by plane?

    The distance between Rapid City and Portland is about 955.5 mi. 4h 57m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Rapid City Airport to Portland Airport?

    Prices for flights from Rapid City Airport to Portland Airport were last updated today.

  • How many operators does momondo search for flights from Rapid City Airport to Portland Airport?

  • How old do you have to be to fly from Rapid City Airport to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rapid City Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Rapid City to Portland?

Best airlines flying from Rapid City to Portland

Compare and see reviews for airlines that fly from Rapid City to Portland with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $258Free CancellationRating
7.9
8,458 reviews
Search Delta flights
United AirlinesPriceFrom $283Free CancellationRating
7.4
9,657 reviews
Search United Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Rockaway Beach
Beaverton
Depoe Bay
Hillsboro
Tigard
Longview
Hood River
Troutdale
Newberg
McMinnville
The Dalles
Manzanita
Pacific City

Why use momondo?

Why should I use momondo to find a flight deal from Rapid City to Portland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Rapid City to Portland. momondo saves you time and could save you money on your trip.

Can I find flights from Rapid City to Portland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Portland from Rapid City which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Rapid City to Portland?

Once all potential Rapid City to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Rapid City to Portland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Rapid City to Portland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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