What airlines fly to South Dakota?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to South Dakota from Portland, Maine according to our data. American Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to South Dakota. Keep in mind that there are 3 different airlines that fly to South Dakota 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 South Dakota?

Prices for flights from Portland Airport to South Dakota are updated daily.

How many operators does momondo search for flights from Portland Airport to South Dakota?

There are 3 operators available for flights from Portland Airport to South Dakota as of November 2026.

How old do you have to be to fly from Portland Airport to South Dakota?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to South Dakota.

What documentation or ID do you need to fly to South Dakota?

The travel and health documents required for your trip to South Dakota can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at South Dakota. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$409 Cheap Flights from Portland, Maine to South Dakota in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland, Maine to South Dakota

Round-trip

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 3:46 pmPWM Portland-RAP Rapid City

11h 46m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

11:30 am - 11:23 pmRAP Rapid City-PWM Portland

9h 53m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

$409Delta

Fri, Mar 19 - Fri, Apr 2

5:08 pm - 11:29 pmPWM Portland-FSD Sioux Falls Joe Foss Field

7h 21m1 stop Chicago O'Hare Intl

3:10 pm - 9:51 pmFSD Sioux Falls Joe Foss Field-PWM Portland

5h 41m1 stop Chicago O'Hare Intl

$507United Airlines

Sat, Nov 21 - Wed, Nov 25

4:25 pm - 9:38 pmPWM Portland-RAP Rapid City

7h 13m1 stop Chicago O'Hare Intl

6:00 am - 2:44 pmRAP Rapid City-PWM Portland

6h 44m1 stop Chicago O'Hare Intl

$509United Airlines

Sat, Feb 6 - Tue, Feb 9

4:25 pm - 9:38 pmPWM Portland-RAP Rapid City

7h 13m1 stop Chicago O'Hare Intl

6:00 am - 7:15 pmRAP Rapid City-PWM Portland

11h 15m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$514United Airlines

Sat, Feb 6 - Tue, Feb 9

9:10 am - 8:30 pmPWM Portland-RAP Rapid City

13h 20m2 stops Newark Denver Intl

6:00 am - 2:44 pmRAP Rapid City-PWM Portland

6h 44m1 stop Chicago O'Hare Intl

$514United Airlines

Sat, Feb 6 - Tue, Feb 9

6:00 am - 5:36 pmPWM Portland-FSD Sioux Falls Joe Foss Field

12h 36m2 stops Philadelphia Dallas/Fort Worth

12:18 pm - 11:45 amFSD Sioux Falls Joe Foss Field-PWM Portland

22h 27m1 stop Chicago O'Hare Intl

$642American Airlines

Tue, Feb 9 - Fri, Feb 12

6:00 am - 11:37 amPWM Portland-FSD Sioux Falls Joe Foss Field

6h 37m1 stop Chicago O'Hare Intl

4:46 pm - 12:35 amFSD Sioux Falls Joe Foss Field-PWM Portland

6h 49m1 stop Chicago O'Hare Intl

$687American Airlines

Mon, May 10 - Thu, May 13

5:53 am - 4:16 pmPWM Portland-FSD Sioux Falls Joe Foss Field

11h 23m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

4:46 pm - 12:35 amFSD Sioux Falls Joe Foss Field-PWM Portland

6h 49m1 stop Chicago O'Hare Intl

$692American Airlines

Mon, May 10 - Thu, May 13

2:09 pm - 10:56 pmPWM Portland-FSD Sioux Falls Joe Foss Field

9h 47m2 stops New York John F Kennedy Intl Minneapolis St Paul

10:52 am - 11:09 pmFSD Sioux Falls Joe Foss Field-PWM Portland

11h 17m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

$4,473Delta

Thu, Dec 24 - Mon, Dec 28

4:38 pm - 10:56 pmPWM Portland-FSD Sioux Falls Joe Foss Field

7h 18m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

12:40 pm - 11:07 pmFSD Sioux Falls Joe Foss Field-PWM Portland

9h 27m2 stops Minneapolis St Paul New York LaGuardia

$4,654Delta

Sat, Dec 26 - Wed, Dec 30

Cheap last minute flights

Enter your travel dates to find the best prices.

8:49 am - 5:09 pmPWM Portland-RAP Rapid City

10h 20m2 stops Newark Denver Intl

11:12 am - 11:21 pmRAP Rapid City-PWM Portland

10h 09m2 stops Denver Intl Newark

$559United Airlines

Thu, Nov 12 - Sat, Nov 14

6:00 am - 3:54 pmPWM Portland-RAP Rapid City

11h 54m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

11:29 am - 11:31 pmRAP Rapid City-PWM Portland

10h 02m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

$580Delta

Thu, Nov 12 - Sat, Nov 14

10:31 am - 9:27 pmPWM Portland-RAP Rapid City

12h 56m2 stops Washington, D.C. Reagan-National Dallas/Fort Worth

6:11 am - 6:17 pmRAP Rapid City-PWM Portland

10h 06m2 stops Dallas/Fort Worth Philadelphia

$622American Airlines

Thu, Nov 12 - Sat, Nov 14

3:23 pm - 10:30 pmPWM Portland-RAP Rapid City

9h 07m1 stop Denver Intl

7:00 am - 4:02 pmRAP Rapid City-PWM Portland

7h 02m1 stop Denver Intl

$669United Airlines

Thu, Nov 12 - Sat, Nov 14

5:50 am - 5:09 pmPWM Portland-RAP Rapid City

13h 19m2 stops Newark Denver Intl

7:00 am - 4:02 pmRAP Rapid City-PWM Portland

7h 02m1 stop Denver Intl

$674United Airlines

Thu, Nov 12 - Sat, Nov 14

11:07 am - 9:27 pmPWM Portland-RAP Rapid City

12h 20m2 stops Philadelphia Dallas/Fort Worth

6:11 am - 9:39 pmRAP Rapid City-PWM Portland

13h 28m3 stops Dallas/Fort Worth Nashville Intl Washington, D.C. Reagan-National

$910American Airlines

Thu, Nov 12 - Sat, Nov 14

12:50 pm - 9:27 pmPWM Portland-RAP Rapid City

10h 37m2 stops Chicago O'Hare Intl Dallas/Fort Worth

6:11 am - 9:36 pmRAP Rapid City-PWM Portland

13h 25m3 stops Dallas/Fort Worth Nashville Intl Charlotte Douglas

$942American Airlines

Thu, Nov 12 - Sat, Nov 14

10:31 am - 9:27 pmPWM Portland-RAP Rapid City

12h 56m3 stops Washington, D.C. Reagan-National Nashville Intl Dallas/Fort Worth

6:11 am - 9:39 pmRAP Rapid City-PWM Portland

13h 28m3 stops Dallas/Fort Worth Nashville Intl Washington, D.C. Reagan-National

$1,160American Airlines

Thu, Nov 12 - Sat, Nov 14

10:31 am - 9:27 pmPWM Portland-RAP Rapid City

12h 56m3 stops Washington, D.C. Reagan-National Indianapolis Dallas/Fort Worth

6:11 am - 9:36 pmRAP Rapid City-PWM Portland

13h 25m3 stops Dallas/Fort Worth Nashville Intl Charlotte Douglas

$1,239American Airlines

Thu, Nov 12 - Sat, Nov 14

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United Airlines flights from Portland, Maine to South Dakota

Our best United Airlines deals on Portland, Maine to South Dakota flight tickets

United Airlines

Nov 21

PWM5:08 pmPortland

7h 21m

1 stop

FSD11:29 pmSioux Falls Joe Foss Field

Nov 25

FSD3:10 pmSioux Falls Joe Foss Field

5h 41m

1 stop

PWM9:51 pmPortland

$507

United Airlines

Feb 6

PWM4:25 pmPortland

7h 13m

1 stop

RAP9:38 pmRapid City

Feb 9

RAP6:00 amRapid City

6h 44m

1 stop

PWM2:44 pmPortland

$509

United Airlines

Feb 6

PWM9:10 amPortland

13h 20m

2 stops

RAP8:30 pmRapid City

Feb 9

RAP6:00 amRapid City

6h 44m

1 stop

PWM2:44 pmPortland

$514

American Airlines flights from Portland, Maine to South Dakota

Our best American Airlines deals on Portland, Maine to South Dakota flight tickets

American Airlines

Nov 12

PWM10:31 amPortland

12h 56m

2 stops

RAP9:27 pmRapid City

Nov 14

RAP6:11 amRapid City

10h 06m

2 stops

PWM6:17 pmPortland

$622

American Airlines

Feb 9

PWM6:00 amPortland

12h 36m

2 stops

FSD5:36 pmSioux Falls Joe Foss Field

Feb 12

FSD12:18 pmSioux Falls Joe Foss Field

22h 27m

1 stop

PWM11:45 amPortland

$642

American Airlines

May 10

PWM6:00 amPortland

6h 37m

1 stop

FSD11:37 amSioux Falls Joe Foss Field

May 13

FSD4:46 pmSioux Falls Joe Foss Field

6h 49m

1 stop

PWM12:35 amPortland

$687

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandRapid City

PWM Portland - RAP Rapid City

PWMRAP

Portland

Fri 3/19

6:00 am-3:46 pm

2 stops11h 46m

Rapid City

Fri 4/2

11:30 am-11:23 pm

2 stops9h 53m

$409

Quickest round-trip

PortlandSioux Falls

PWM Portland - FSD Sioux Falls Joe Foss Field

PWMFSD

Portland

Sat 11/21

5:08 pm-11:29 pm

1 stop7h 21m

Sioux Falls Joe Foss Field

Wed 11/25

3:10 pm-9:51 pm

1 stop5h 41m

$507

PortlandRapid City

PWM Portland - RAP Rapid City

PWMRAP

Portland

Sat 2/6

4:25 pm-9:38 pm

1 stop7h 13m

Rapid City

Tue 2/9

6:00 am-2:44 pm

1 stop6h 44m

$509

PortlandRapid City

PWM Portland - RAP Rapid City

PWMRAP

Portland

Sat 2/6

4:25 pm-9:38 pm

1 stop7h 13m

Rapid City

Tue 2/9

6:00 am-7:15 pm

2 stops11h 15m

$514

PortlandRapid City

PWM Portland - RAP Rapid City

PWMRAP

Portland

Sat 2/6

9:10 am-8:30 pm

2 stops13h 20m

Rapid City

Tue 2/9

6:00 am-2:44 pm

1 stop6h 44m

$514

PortlandSioux Falls

PWM Portland - FSD Sioux Falls Joe Foss Field

PWMFSD

Portland

Tue 2/9

6:00 am-5:36 pm

2 stops12h 36m

Sioux Falls Joe Foss Field

Fri 2/12

12:18 pm-11:45 am

1 stop22h 27m

$642

PortlandSioux Falls

PWM Portland - FSD Sioux Falls Joe Foss Field

PWMFSD

Portland

Mon 5/10

6:00 am-11:37 am

1 stop6h 37m

Sioux Falls Joe Foss Field

Thu 5/13

4:46 pm-12:35 am

1 stop6h 49m

$687

PortlandSioux Falls

PWM Portland - FSD Sioux Falls Joe Foss Field

PWMFSD

Portland

Mon 5/10

5:53 am-4:16 pm

2 stops11h 23m

Sioux Falls Joe Foss Field

Thu 5/13

4:46 pm-12:35 am

1 stop6h 49m

$692

PortlandSioux Falls

PWM Portland - FSD Sioux Falls Joe Foss Field

PWMFSD

Portland

Thu 12/24

2:09 pm-10:56 pm

2 stops9h 47m

Sioux Falls Joe Foss Field

Mon 12/28

10:52 am-11:09 pm

2 stops11h 17m

$4,473

PortlandSioux Falls

PWM Portland - FSD Sioux Falls Joe Foss Field

PWMFSD

Portland

Sat 12/26

4:38 pm-10:56 pm

2 stops7h 18m

Sioux Falls Joe Foss Field

Wed 12/30

12:40 pm-11:07 pm

2 stops9h 27m

$4,654

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Portland, Maine to South Dakota

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

Can stopping save me money on Portland, Maine to South Dakota flights?

You could potentially save up to 1% on your flight if you consider stops on a Portland, Maine to South Dakota flight.

Cheap Portland, Maine to South Dakota flight deals and tips

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

Best Price Found	$409
Fastest flight time	7h 13m
Direct flights	None

The best flight deal from Portland, Maine to South Dakota found on momondo in the last 72 hours is $409

The fastest flight from Portland, Maine to South Dakota takes 7h 13m

There are no direct flights from Portland, Maine to South Dakota. There are no popular flight routes from Portland, Maine to South Dakota.

Search flight deals

Frequently asked questions about flying from Portland, Maine to South Dakota

When did momondo last update prices for flights from Portland Airport to South Dakota?
Prices for flights from Portland Airport to South Dakota are updated daily.
How many operators does momondo search for flights from Portland Airport to South Dakota?
There are 3 operators available for flights from Portland Airport to South Dakota as of November 2026.
How old do you have to be to fly from Portland Airport to South Dakota?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to South Dakota.
What documentation or ID do you need to fly to South Dakota?
The travel and health documents required for your trip to South Dakota can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at South Dakota. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Portland, Maine to South Dakota

Compare and see reviews for airlines that fly from Portland, Maine to South Dakota with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $322	Free Cancellation	Rating 7.3 10,474 reviews	Search United Airlines flights
American Airlines	PriceFrom $422	Free Cancellation	Rating 7.0 12,224 reviews	Search American Airlines flights
Delta	PriceFrom $459	Free Cancellation	Rating 7.8 8,708 reviews	Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to South Dakota?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to South Dakota. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to South Dakota with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to South Dakota from Portland with this policy.

How can momondo help me find flights from Portland to South Dakota?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to South Dakota.

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

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