What airlines fly to Rapid City?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Rapid City from Portland, Maine according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Rapid City. Keep in mind that there are 3 different airlines that fly to Rapid City on a routine basis, so you have a few additional options to choose from.

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

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

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

There are 2 operators available for flights from Portland Airport to Rapid City Airport as of November 2025.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Rapid City Airport.

What documentation or ID do you need to fly to Rapid City Airport?

The necessary travel and health documents for your Rapid City Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$392 Cheap Flights from Portland to Rapid City in 2025/26

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Find the cheapest flights from Portland, Maine to Rapid City

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:08 am - 2:09 pmPWM-RAP

10h 01m2 stops

6:05 am - 11:59 pmRAP-PWM

15h 54m2 stops

$393Delta

Find Deal

Tue, Dec 9 - Sat, Dec 13

6:08 am - 3:45 pmPWM-RAP

11h 37m2 stops

6:05 am - 11:59 pmRAP-PWM

15h 54m2 stops

$424Delta

Find Deal

Tue, Dec 9 - Sat, Dec 13

6:00 am - 6:54 pmPWM-RAP

14h 54m3 stops

8:30 am - 11:12 pmRAP-PWM

12h 42m2 stops

$509United Airlines

Find Deal

Tue, Dec 9 - Sat, Dec 13

6:00 am - 6:54 pmPWM-RAP

14h 54m3 stops

10:55 am - 11:12 pmRAP-PWM

10h 17m2 stops

$585United Airlines

Find Deal

Tue, Dec 9 - Sat, Dec 13

6:00 am - 6:54 pmPWM-RAP

14h 54m3 stops

10:55 am - 11:12 pmRAP-PWM

10h 17m2 stops

$616United Airlines

Find Deal

Tue, Dec 9 - Sat, Dec 13

Delta flights from Portland, Maine to Rapid City

Our best Delta deals on Portland, Maine to Rapid City flight tickets

Delta

Dec 9

PWM6:08 amPortland

10h 01m

2 stops

RAP2:09 pmRapid City

Dec 13

RAP6:05 amRapid City

15h 54m

2 stops

PWM11:59 pmPortland

$393

Find similar

Delta

Dec 9

PWM6:08 amPortland

11h 37m

2 stops

RAP3:45 pmRapid City

Dec 13

RAP6:05 amRapid City

15h 54m

2 stops

PWM11:59 pmPortland

$424

Find similar

United Airlines flights from Portland, Maine to Rapid City

Our best United Airlines deals on Portland, Maine to Rapid City flight tickets

United Airlines

Nov 7

PWM3:20 pmPortland

8h 39m

1 stop

RAP9:59 pmRapid City

Nov 11

RAP7:10 amRapid City

6h 38m

1 stop

PWM3:48 pmPortland

$484

Find similar

United Airlines

Nov 7

PWM3:20 pmPortland

8h 39m

1 stop

RAP9:59 pmRapid City

Nov 11

RAP7:10 amRapid City

9h 49m

2 stops

PWM6:59 pmPortland

$489

Find similar

United Airlines

Nov 7

PWM10:45 amPortland

11h 41m

2 stops

RAP8:26 pmRapid City

Nov 11

RAP7:10 amRapid City

12h 40m

2 stops

PWM9:50 pmPortland

$494

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Portland, Maine to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Tue 12/9

6:08 am-2:09 pm

2 stops10h 01m

Rapid City

Sat 12/13

6:05 am-11:59 pm

2 stops15h 54m

$393

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Tue 12/9

6:08 am-3:45 pm

2 stops11h 37m

Rapid City

Sat 12/13

6:05 am-11:59 pm

2 stops15h 54m

$424

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Tue 12/9

6:00 am-6:54 pm

3 stops14h 54m

Rapid City

Sat 12/13

8:30 am-11:12 pm

2 stops12h 42m

$509

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Tue 12/9

6:00 am-6:54 pm

3 stops14h 54m

Rapid City

Sat 12/13

10:55 am-11:12 pm

2 stops10h 17m

$585

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Tue 12/9

6:00 am-6:54 pm

3 stops14h 54m

Rapid City

Sat 12/13

10:55 am-11:12 pm

2 stops10h 17m

$616

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Portland, Maine to Rapid City

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

Prices

Airlines

What is the cheapest day to depart on your flight to Rapid City?

According to our data, Thursday is the cheapest day to fly to Rapid City from Portland, Maine. The lowest ticket price found for a Thursday departure recently was $592. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Rapid City is Tuesday, with ticket prices averaging around $702.

What is the cheapest time of day to depart on your flight to Rapid City?

Our most recent data shows that the best time of day to fly to Rapid City is at noon. Flights from Portland, Maine to Rapid City during this time can be as low as $601. Flights in the morning are often more expensive with an average ticket price of $660.

Can stopping save me money on Portland, Maine to Rapid City flights?

You could potentially save up to 8% on your flight if you consider stops on a Portland, Maine to Rapid City flight.

When to book flights from Portland, Maine to Rapid City

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

Estimated round-trip price

Cheap Portland, Maine to Rapid City (PWM to RAP) flight deals and tips

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

Direct flights	None

There are no direct flights from Portland, Maine to Rapid City. There are no popular flight routes from Portland, Maine to Rapid City.

Search flight deals

How far is Portland to Rapid City by plane?
The distance between Portland and Rapid City is about 1630.6 mi. Flights usually cover this in 10h 01m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Portland Airport to Rapid City Airport?
Prices for flights from Portland Airport to Rapid City Airport were last updated today.
How many operators does momondo search for flights from Portland Airport to Rapid City Airport?
There are 2 operators available for flights from Portland Airport to Rapid City Airport as of November 2025.
How old do you have to be to fly from Portland Airport to Rapid City Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Rapid City Airport.
What documentation or ID do you need to fly to Rapid City Airport?
The necessary travel and health documents for your Rapid City Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Portland, Maine to Rapid City?
Based on momondo bookings for flights between Portland, Maine and Rapid City, the leading airline is United Airlines, making up 57% of the total bookings. Other popular airlines include American Airlines with 43%.

Best airlines flying from Portland, Maine to Rapid City

Compare and see reviews for airlines that fly from Portland, Maine to Rapid City with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $313	Free Cancellation	Rating 7.2 11,040 reviews		Search American Airlines flights
United Airlines	PriceFrom $350	Free Cancellation	Rating 7.4 9,002 reviews		Search United Airlines flights

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Sturgis

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Custer

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Wall

Hot Springs

Why use momondo?

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

Finding the right flight to Rapid City from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Rapid City quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Portland to Rapid City flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Portland and Rapid City by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Portland to Rapid City flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.