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Cheap flights from South Dakota to Boston from $396

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 Boston departing on 2/14. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:21 am - 11:20 pm
FSD
-
PWM
10h 59m2 stops
United Airlines Logo
6:00 am - 5:21 pm
PWM
-
FSD
12h 21m2 stops
$396United Airlines
Sat, Feb 14 - Wed, Feb 18
United Airlines Logo
3:15 pm - 9:09 pm
FSD
-
PWM
4h 54m1 stop
United Airlines Logo
6:00 am - 5:21 pm
PWM
-
FSD
12h 21m2 stops
$426United Airlines
Sat, Feb 14 - Wed, Feb 18
United Airlines Logo
11:21 am - 11:20 pm
FSD
-
PWM
10h 59m2 stops
United Airlines Logo
6:00 am - 5:21 pm
PWM
-
FSD
12h 21m2 stops
$431United Airlines
Sat, Feb 14 - Wed, Feb 18
United Airlines Logo
3:15 pm - 9:09 pm
FSD
-
PWM
4h 54m1 stop
United Airlines Logo
5:45 am - 5:21 pm
PWM
-
FSD
12h 36m1 stop
$573United Airlines
Sat, Feb 14 - Wed, Feb 18
American Airlines Logo
12:38 pm - 11:29 am
FSD
-
PWM
21h 51m1 stop
American Airlines Logo
12:27 pm - 4:34 pm
PWM
-
FSD
5h 07m1 stop
$669American Airlines
Fri, May 22 - Sun, May 24
American Airlines Logo
6:01 pm - 11:29 am
FSD
-
PWM
16h 28m1 stop
American Airlines Logo
7:53 am - 4:45 pm
PWM
-
FSD
9h 52m2 stops
$674American Airlines
Fri, May 22 - Sun, May 24
United Airlines Logo
7:43 am - 3:14 pm
FSD
-
PWM
6h 31m1 stop
United Airlines Logo
4:23 pm - 10:02 pm
PWM
-
FSD
6h 39m1 stop
$733United Airlines
Mon, Mar 16 - Fri, Mar 20
United Airlines Logo
7:43 am - 7:13 pm
FSD
-
PWM
10h 30m2 stops
United Airlines Logo
4:23 pm - 10:02 pm
PWM
-
FSD
6h 39m1 stop
$738United Airlines
Mon, Mar 16 - Fri, Mar 20
United Airlines Logo
7:43 am - 7:13 pm
FSD
-
PWM
10h 30m2 stops
United Airlines Logo
11:30 am - 10:02 pm
PWM
-
FSD
11h 32m2 stops
$743United Airlines
Mon, Mar 16 - Fri, Mar 20
Delta Logo
1:20 pm - 11:11 pm
FSD
-
PWM
8h 51m2 stops
Delta Logo
6:30 am - 3:28 pm
PWM
-
FSD
9h 58m2 stops
$918Delta
Fri, May 22 - Sun, May 24

United Airlines flights from South Dakota to Portland, Maine

Our best United Airlines deals on South Dakota to Portland, Maine flight tickets
United Airlines
Feb 14
FSD11:21 amSioux Falls Joe Foss Field
10h 59m
2 stops
PWM11:20 pmPortland
Feb 18
PWM6:00 amPortland
12h 21m
2 stops
FSD5:21 pmSioux Falls Joe Foss Field
$396
Find similar
United Airlines
Feb 14
FSD3:15 pmSioux Falls Joe Foss Field
4h 54m
1 stop
PWM9:09 pmPortland
Feb 18
PWM6:00 amPortland
12h 21m
2 stops
FSD5:21 pmSioux Falls Joe Foss Field
$426
Find similar
United Airlines
Feb 14
FSD11:21 amSioux Falls Joe Foss Field
10h 59m
2 stops
PWM11:20 pmPortland
Feb 18
PWM6:00 amPortland
12h 21m
2 stops
FSD5:21 pmSioux Falls Joe Foss Field
$431
Find similar

American Airlines flights from South Dakota to Portland, Maine

Our best American Airlines deals on South Dakota to Portland, Maine flight tickets
American Airlines
May 22
FSD12:38 pmSioux Falls Joe Foss Field
21h 51m
1 stop
PWM11:29 amPortland
May 24
PWM12:27 pmPortland
5h 07m
1 stop
FSD4:34 pmSioux Falls Joe Foss Field
$669
Find similar
American Airlines
May 22
FSD6:01 pmSioux Falls Joe Foss Field
16h 28m
1 stop
PWM11:29 amPortland
May 24
PWM7:53 amPortland
9h 52m
2 stops
FSD4:45 pmSioux Falls Joe Foss Field
$674
Find similar
American Airlines
Dec 28
FSD6:00 amSioux Falls Joe Foss Field
11h 16m
2 stops
PWM6:16 pmPortland
Jan 1
PWM5:45 amPortland
12h 01m
2 stops
FSD4:46 pmSioux Falls Joe Foss Field
$1,076
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from South Dakota to Portland, Maine 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 December 14, 2025.
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

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Sat 2/14

11:21 am-11:20 pm

2 stops10h 59m

Portland

Wed 2/18

6:00 am-5:21 pm

2 stops12h 21m

$396

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Sat 2/14

3:15 pm-9:09 pm

1 stop4h 54m

Portland

Wed 2/18

6:00 am-5:21 pm

2 stops12h 21m

$426

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Sat 2/14

11:21 am-11:20 pm

2 stops10h 59m

Portland

Wed 2/18

6:00 am-5:21 pm

2 stops12h 21m

$431

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Sat 2/14

3:15 pm-9:09 pm

1 stop4h 54m

Portland

Wed 2/18

5:45 am-5:21 pm

1 stop12h 36m

$573

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Fri 5/22

12:38 pm-11:29 am

1 stop21h 51m

Portland

Sun 5/24

12:27 pm-4:34 pm

1 stop5h 07m

$669

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Fri 5/22

6:01 pm-11:29 am

1 stop16h 28m

Portland

Sun 5/24

7:53 am-4:45 pm

2 stops9h 52m

$674

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Mon 3/16

7:43 am-3:14 pm

1 stop6h 31m

Portland

Fri 3/20

4:23 pm-10:02 pm

1 stop6h 39m

$733

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Mon 3/16

7:43 am-7:13 pm

2 stops10h 30m

Portland

Fri 3/20

4:23 pm-10:02 pm

1 stop6h 39m

$738

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Mon 3/16

7:43 am-7:13 pm

2 stops10h 30m

Portland

Fri 3/20

11:30 am-10:02 pm

2 stops11h 32m

$743

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Fri 5/22

1:20 pm-11:11 pm

2 stops8h 51m

Portland

Sun 5/24

6:30 am-3:28 pm

2 stops9h 58m

$918

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Boston from

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

What is the cheapest day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from South Dakota is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $449. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from South Dakota because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $737.

What is the cheapest time of day to depart on your flight to Portland, Maine?

At noon is the cheapest time of day to fly from South Dakota to Portland, Maine when you can find flight prices for as low as $450. Flying to Portland, Maine at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $553. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fastest flight time

5h 53m

Direct flights

None
The fastest flight from South Dakota to Portland, Maine takes 5h 53m
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

  • 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?

  • 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
DeltaPriceFrom $188Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $306Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Freeport
Lewiston
Bartlett
Brunswick
Auburn
Gorham
Windham
Intervale
Oxford
Bath
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.

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