How long does it take to fly to Portland, Maine?

The flight from South Dakota to Portland, Maine depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Sioux Falls (a popular airport in South Dakota) to Boston (the most popular airport in Portland, Maine), then the flight time is 4h 33m on average. If you fly from Rapid City (another popular airport in South Dakota) to Boston, then the average flight time is 6h.

What airlines fly to Portland, Maine?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Portland, Maine from South Dakota according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 3 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from South Dakota to Portland Airport?

Prices for flights from South Dakota to Portland Airport are refreshed on a daily basis.

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

As of September 2026, there are 2 operators available to choose from for flights from South Dakota to Portland Airport.

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

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

The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$353 Cheap Flights from South Dakota to Portland, Maine in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from South Dakota to Portland

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5:55 am - 4:02 pmFSD Sioux Falls Joe Foss Field-PWM Portland

9h 07m1 stop Denver Intl

5:08 pm - 9:37 pmPWM Portland-FSD Sioux Falls Joe Foss Field

5h 29m1 stop Chicago O'Hare Intl

$353United Airlines

Tue, Oct 27 - Tue, Nov 3

5:30 am - 1:02 pmFSD Sioux Falls Joe Foss Field-PWM Portland

6h 32m1 stop Atlanta Hartsfield-Jackson

11:55 am - 4:00 pmPWM Portland-FSD Sioux Falls Joe Foss Field

5h 05m1 stop Minneapolis St Paul

$353Delta

Tue, Nov 3 - Sat, Nov 7

7:50 am - 2:38 pmFSD Sioux Falls Joe Foss Field-PWM Portland

5h 48m1 stop Chicago O'Hare Intl

3:23 pm - 11:44 pmPWM Portland-FSD Sioux Falls Joe Foss Field

9h 21m1 stop Denver Intl

$356United Airlines

Tue, Oct 20 - Wed, Oct 28

5:55 am - 6:52 pmFSD Sioux Falls Joe Foss Field-PWM Portland

11h 57m2 stops Denver Intl Newark

5:08 pm - 9:37 pmPWM Portland-FSD Sioux Falls Joe Foss Field

5h 29m1 stop Chicago O'Hare Intl

$358United Airlines

Tue, Oct 27 - Tue, Nov 3

5:30 am - 3:35 pmFSD Sioux Falls Joe Foss Field-PWM Portland

9h 05m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

11:55 am - 4:00 pmPWM Portland-FSD Sioux Falls Joe Foss Field

5h 05m1 stop Minneapolis St Paul

$358Delta

Tue, Nov 3 - Sat, Nov 7

7:50 am - 2:38 pmFSD Sioux Falls Joe Foss Field-PWM Portland

5h 48m1 stop Chicago O'Hare Intl

10:50 am - 9:37 pmPWM Portland-FSD Sioux Falls Joe Foss Field

11h 47m2 stops Newark Chicago O'Hare Intl

$361United Airlines

Tue, Oct 20 - Wed, Oct 28

2:48 pm - 11:59 pmFSD Sioux Falls Joe Foss Field-PWM Portland

8h 11m2 stops Chicago O'Hare Intl Washington, D.C. Reagan-National

4:10 pm - 12:29 amPWM Portland-FSD Sioux Falls Joe Foss Field

9h 19m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

$363American Airlines

Tue, Oct 27 - Tue, Nov 3

2:48 pm - 11:43 pmFSD Sioux Falls Joe Foss Field-PWM Portland

7h 55m1 stop Chicago O'Hare Intl

6:00 am - 2:18 pmPWM Portland-FSD Sioux Falls Joe Foss Field

9h 18m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

$364American Airlines

Sat, Oct 17 - Sat, Oct 24

7:50 am - 6:12 pmFSD Sioux Falls Joe Foss Field-PWM Portland

9h 22m2 stops Chicago O'Hare Intl Newark

3:41 pm - 11:11 pmPWM Portland-FSD Sioux Falls Joe Foss Field

8h 30m2 stops Newark Chicago O'Hare Intl

$369United Airlines

Sat, Oct 17 - Sat, Oct 24

7:50 am - 6:12 pmFSD Sioux Falls Joe Foss Field-PWM Portland

9h 22m2 stops Chicago O'Hare Intl Newark

2:05 pm - 9:37 pmPWM Portland-FSD Sioux Falls Joe Foss Field

8h 32m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$397United Airlines

Tue, Oct 20 - Wed, Oct 28

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 7:38 pmFSD Sioux Falls Joe Foss Field-PWM Portland

12h 38m2 stops Dallas/Fort Worth Philadelphia

5:38 pm - 12:41 amPWM Portland-FSD Sioux Falls Joe Foss Field

8h 03m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

$533American Airlines

Sat, Oct 3 - Sat, Oct 10

6:00 am - 4:24 pmFSD Sioux Falls Joe Foss Field-PWM Portland

9h 24m2 stops Dallas/Fort Worth Washington, D.C. Reagan-National

5:38 pm - 12:41 amPWM Portland-FSD Sioux Falls Joe Foss Field

8h 03m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

$533American Airlines

Sat, Oct 3 - Sat, Oct 10

3:03 pm - 9:46 pmFSD Sioux Falls Joe Foss Field-PWM Portland

5h 43m1 stop Chicago O'Hare Intl

3:41 pm - 11:11 pmPWM Portland-FSD Sioux Falls Joe Foss Field

8h 30m2 stops Newark Chicago O'Hare Intl

$541United Airlines

Sat, Oct 3 - Sat, Oct 10

3:03 pm - 11:59 pmFSD Sioux Falls Joe Foss Field-PWM Portland

7h 56m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

3:41 pm - 11:11 pmPWM Portland-FSD Sioux Falls Joe Foss Field

8h 30m2 stops Newark Chicago O'Hare Intl

$546United Airlines

Sat, Oct 3 - Sat, Oct 10

3:03 pm - 9:46 pmFSD Sioux Falls Joe Foss Field-PWM Portland

5h 43m1 stop Chicago O'Hare Intl

3:41 pm - 11:11 pmPWM Portland-FSD Sioux Falls Joe Foss Field

8h 30m2 stops Newark Chicago O'Hare Intl

$573United Airlines

Sat, Oct 3 - Sat, Oct 10

3:03 pm - 9:46 pmFSD Sioux Falls Joe Foss Field-PWM Portland

5h 43m1 stop Chicago O'Hare Intl

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

7h 03m1 stop Chicago O'Hare Intl

$586United Airlines

Sat, Oct 3 - Sat, Oct 10

3:03 pm - 9:46 pmFSD Sioux Falls Joe Foss Field-PWM Portland

5h 43m1 stop Chicago O'Hare Intl

10:43 am - 8:40 pmPWM Portland-FSD Sioux Falls Joe Foss Field

10h 57m2 stops Newark Denver Intl

$651United Airlines

Sat, Oct 3 - Sat, Oct 10

3:03 pm - 9:46 pmFSD Sioux Falls Joe Foss Field-PWM Portland

5h 43m1 stop Chicago O'Hare Intl

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

7h 03m1 stop Chicago O'Hare Intl

$686United Airlines

Sat, Oct 3 - Sat, Oct 10

5:05 am - 10:45 amFSD Sioux Falls Joe Foss Field-PWM Portland

4h 40m1 stop Minneapolis St Paul

2:09 pm - 7:55 pmPWM Portland-FSD Sioux Falls Joe Foss Field

6h 46m1 stop Atlanta Hartsfield-Jackson

$714Delta

Sat, Oct 3 - Sat, Oct 10

6:00 am - 4:24 pmFSD Sioux Falls Joe Foss Field-PWM Portland

9h 24m2 stops Dallas/Fort Worth Washington, D.C. Reagan-National

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

13h 11m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

$800American Airlines

Thu, Oct 1 - Sat, Oct 3

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United Airlines flights from South Dakota to Portland, Maine

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

United Airlines

Oct 27

FSD5:55 amSioux Falls Joe Foss Field

9h 07m

1 stop

PWM4:02 pmPortland

Nov 3

PWM5:08 pmPortland

5h 29m

1 stop

FSD9:37 pmSioux Falls Joe Foss Field

$353

United Airlines

Oct 20

FSD7:50 amSioux Falls Joe Foss Field

5h 48m

1 stop

PWM2:38 pmPortland

Oct 28

PWM3:23 pmPortland

9h 21m

1 stop

FSD11:44 pmSioux Falls Joe Foss Field

$356

United Airlines

Oct 27

FSD5:55 amSioux Falls Joe Foss Field

11h 57m

2 stops

PWM6:52 pmPortland

Nov 3

PWM5:08 pmPortland

5h 29m

1 stop

FSD9:37 pmSioux Falls Joe Foss Field

$358

American Airlines flights from South Dakota to Portland, Maine

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

American Airlines

Oct 27

FSD2:48 pmSioux Falls Joe Foss Field

8h 11m

2 stops

PWM11:59 pmPortland

Nov 3

PWM4:10 pmPortland

9h 19m

2 stops

FSD12:29 amSioux Falls Joe Foss Field

$363

American Airlines

Oct 17

FSD2:48 pmSioux Falls Joe Foss Field

7h 55m

1 stop

PWM11:43 pmPortland

Oct 24

PWM6:00 amPortland

9h 18m

2 stops

FSD2:18 pmSioux Falls Joe Foss Field

$364

American Airlines

Oct 17

FSD2:48 pmSioux Falls Joe Foss Field

7h 55m

1 stop

PWM11:43 pmPortland

Oct 24

PWM5:45 pmPortland

7h 56m

1 stop

FSD12:41 amSioux Falls Joe Foss Field

$518

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PWM Portland

FSDPWM

Sioux Falls Joe Foss Field

Tue 10/27

5:55 am-4:02 pm

1 stop9h 07m

Portland

Tue 11/3

5:08 pm-9:37 pm

1 stop5h 29m

$353

Quickest round-trip

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PWM Portland

FSDPWM

Sioux Falls Joe Foss Field

Tue 11/3

5:30 am-1:02 pm

1 stop6h 32m

Portland

Sat 11/7

11:55 am-4:00 pm

1 stop5h 05m

$353

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PWM Portland

FSDPWM

Sioux Falls Joe Foss Field

Tue 10/20

7:50 am-2:38 pm

1 stop5h 48m

Portland

Wed 10/28

3:23 pm-11:44 pm

1 stop9h 21m

$356

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PWM Portland

FSDPWM

Sioux Falls Joe Foss Field

Tue 10/27

5:55 am-6:52 pm

2 stops11h 57m

Portland

Tue 11/3

5:08 pm-9:37 pm

1 stop5h 29m

$358

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PWM Portland

FSDPWM

Sioux Falls Joe Foss Field

Tue 11/3

5:30 am-3:35 pm

2 stops9h 05m

Portland

Sat 11/7

11:55 am-4:00 pm

1 stop5h 05m

$358

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PWM Portland

FSDPWM

Sioux Falls Joe Foss Field

Tue 10/20

7:50 am-2:38 pm

1 stop5h 48m

Portland

Wed 10/28

10:50 am-9:37 pm

2 stops11h 47m

$361

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PWM Portland

FSDPWM

Sioux Falls Joe Foss Field

Tue 10/27

2:48 pm-11:59 pm

2 stops8h 11m

Portland

Tue 11/3

4:10 pm-12:29 am

2 stops9h 19m

$363

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PWM Portland

FSDPWM

Sioux Falls Joe Foss Field

Sat 10/17

2:48 pm-11:43 pm

1 stop7h 55m

Portland

Sat 10/24

6:00 am-2:18 pm

2 stops9h 18m

$364

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PWM Portland

FSDPWM

Sioux Falls Joe Foss Field

Sat 10/17

7:50 am-6:12 pm

2 stops9h 22m

Portland

Sat 10/24

3:41 pm-11:11 pm

2 stops8h 30m

$369

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PWM Portland

FSDPWM

Sioux Falls Joe Foss Field

Tue 10/20

7:50 am-6:12 pm

2 stops9h 22m

Portland

Wed 10/28

2:05 pm-9:37 pm

2 stops8h 32m

$397

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

Other information

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from South Dakota is in December. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of December, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $0.

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

You could potentially save up to 7% on your flight if you consider stops on a South Dakota to Portland, Maine flight.

Cheap South Dakota to Portland, Maine flight deals and tips

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

Best Price Found	$353
Fastest flight time	7h 16m
Direct flights	None

The best flight deal from South Dakota to Portland, Maine found on momondo in the last 72 hours is $353

The fastest flight from South Dakota to Portland, Maine takes 7h 16m

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

Search flight deals

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

When did momondo last update prices for flights from South Dakota to Portland Airport?
Prices for flights from South Dakota to Portland Airport are refreshed on a daily basis.
How many operators does momondo search for flights from South Dakota to Portland Airport?
As of September 2026, there are 2 operators available to choose from for flights from South Dakota to Portland Airport.
How old do you have to be to fly from South Dakota to Portland 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 South Dakota to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from South Dakota to Portland, Maine

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $308	Free Cancellation	Rating 7.4 10,245 reviews		Search United Airlines flights
American Airlines	PriceFrom $348	Free Cancellation	Rating 7.0 12,097 reviews		Search American Airlines flights

North Conway

Jackson

Boothbay Harbor

Brunswick

Lewiston

Freeport

Auburn

Conway

Bartlett

Gorham

Bath

Windham

Intervale

Oxford

Georgetown

Falmouth

Tamworth

Why use momondo?

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

Finding the right flight to Portland from South Dakota 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 Portland quick and easy, saving you time and money.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Portland from South Dakota.

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

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

An easier way to manage your Portland, Maine trip

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Rockland Knox County Regional Airport

Cheap flights from South Dakota to Portland from $353

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from South Dakota to Portland departing on 10/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from South Dakota to Portland, Maine

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

American Airlines flights from South Dakota to Portland, Maine

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

momondo Fare Finder

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

See travel insights to Portland from

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

What is the cheapest month to fly to Portland, Maine?

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

What airlines fly to Portland, Maine?

How long does it take to fly to Portland, Maine?

Cheap South Dakota to Portland, Maine flight deals and tips

Best Price Found

Fastest flight time

Direct flights

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

Best airlines flying from South Dakota to Portland, Maine

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

Traveling to a place near Portland?

Why use momondo?

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Maine

Fly your favorite airline to Portland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portland

List of cabin classes available on flights landing in Portland. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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