What are the cheapest airlines to fly from South Dakota to Portland, Maine one-way?

To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $142. Delta flights start at $147 while deals on United Airlines start at $313 one-way.

In terms of precipitation, rainfall in Portland, Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Portland, Maine when rainfall is around 2.9 in.

If weather is an important factor for your trip to Portland, Maine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

What are the most popular airlines that fly from South Dakota to Portland, Maine?

When booking a flight from South Dakota to Portland, Maine, you may want to consider flying on American Airlines, Delta or United Airlines as they are the most popular for this route.

What is the cheapest time of day to fly from SD to PWM?

When flying from South Dakota to Portland, Maine, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Portland from South Dakota?

Portland (PWM), located 2.9 mi from the city center, is the airport you fly into when you book flights from South Dakota to Portland.

Can I find deals for flights from South Dakota to Portland that include hotel bookings?

Yes. In addition to deals on South Dakota to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from South Dakota to Portland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Portland.

Can I find deals for business class flights from South Dakota to Portland?

Yes. Cheapflights offers flight deals from South Dakota to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$142+ Flights from South Dakota to Portland, ME

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Cheap flight deals from South Dakota to Portland

Round-trip from	$269 (Delta)
One-way from	$142 (American Airlines)

From South Dakota to Portland

Search Deals

One-way flight from South Dakota to Portland

Search Deals

Find flight deals from South Dakota to Portland

Cheapest flights from South Dakota to Portland
Explore the most affordable flight options available from South Dakota to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Wed 8/275:00 amFSD - PWM

1 stop4h 42mDelta

Wed 9/311:48 amPWM - FSD

1 stop6h 36mDelta

Deal found 7/29

$269

Wed 9/107:00 amFSD - PWM

2 stops12h 11mAmerican Airlines

Tue 9/167:05 amPWM - FSD

2 stops10h 58mAmerican Airlines

Deal found 7/30

$279

Sat 9/273:12 pmFSD - PWM

1 stop5h 32mUnited Airlines

Sat 10/44:57 pmPWM - FSD

1 stop6h 25mUnited Airlines

Deal found 7/29

$364

Best flights from South Dakota to Portland
Discover carefully curated flight deals from South Dakota to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2025.

Wed 8/275:00 amFSD - PWM

1 stop4h 42mDelta

Wed 9/311:48 amPWM - FSD

1 stop6h 36mDelta

Deal found 7/29

$269

Wed 9/107:00 amFSD - PWM

2 stops12h 11mAmerican Airlines

Tue 9/167:05 amPWM - FSD

2 stops10h 58mAmerican Airlines

Deal found 7/30

$279

Sat 9/273:12 pmFSD - PWM

1 stop5h 32mUnited Airlines

Sat 10/44:57 pmPWM - FSD

1 stop6h 25mUnited Airlines

Deal found 7/29

$364

Last-minute flights from South Dakota to Portland
Discover last-minute flight deals from South Dakota to Portland. Data last updated July 30, 2025 and is based on user searches.

Tue 8/127:55 amFSD - PWM

1 stop5h 29mUnited Airlines

Sat 8/166:10 amPWM - FSD

1 stop5h 40mUnited Airlines

Deal found 7/28

$567

Wed 8/275:00 amFSD - PWM

1 stop4h 42mDelta

Wed 9/311:48 amPWM - FSD

1 stop6h 36mDelta

Deal found 7/29

$269

Wed 8/277:01 amFSD - PWM

2 stops13h 42mAmerican Airlines

Wed 9/37:00 amPWM - FSD

2 stops11h 03mAmerican Airlines

Deal found 7/29

$383

One-way flights from South Dakota to Portland
Search for one-way flight options from South Dakota to Portland. Find affordable one-way fares based on user searches. Data last updated July 30, 2025.

Wed 10/226:00 amFSD - PWM

1 stop7h 56mAmerican Airlines

Deal found 7/28

$142

Wed 10/221:35 pmFSD - PWM

2 stops8h 34mDelta

Deal found 7/28

$147

Mon 9/19:15 amFSD - PWM

2 stops11h 44mUnited Airlines

Deal found 7/28

$313

Sun 10/2611:41 amFSD - PWM

3 stops28h 44mMultiple Airlines

Deal found 7/28

$463

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Wed 8/27

5:00 am-10:42 am

1 stop4h 42m

Portland

Wed 9/3

11:48 am-5:24 pm

1 stop6h 36m

$269

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Wed 9/10

7:00 am-8:11 pm

2 stops12h 11m

Portland

Tue 9/16

7:05 am-5:03 pm

2 stops10h 58m

$279

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Sat 9/27

3:12 pm-9:44 pm

1 stop5h 32m

Portland

Sat 10/4

4:57 pm-10:22 pm

1 stop6h 25m

$364

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Wed 10/22

6:00 am-2:56 pm

1 stop7h 56m

$142

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Wed 10/22

1:35 pm-11:09 pm

2 stops8h 34m

$147

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Mon 9/1

9:15 am-9:59 pm

2 stops11h 44m

$313

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Sun 10/26

11:41 am-5:25 pm

3 stops28h 44m

$463

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from South Dakota to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from South Dakota with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from South Dakota to Portland

What is the cheapest month to book a flight from South Dakota to Portland, Maine?

Currently, January is the cheapest month in which you can book a flight from South Dakota to Portland, Maine (average of $296). Flying from South Dakota to Portland, Maine in July is currently the most expensive (average of $394). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Portland

Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from South Dakota to Portland by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,980 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,896 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly into for flights to Portland from South Dakota?
Portland (PWM), located 2.9 mi from the city center, is the airport you fly into when you book flights from South Dakota to Portland.
What are the cheapest airlines to fly from South Dakota to Portland, Maine one-way?
To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $142. Delta flights start at $147 while deals on United Airlines start at $313 one-way.
Can I find deals for flights from South Dakota to Portland that include hotel bookings?
Yes. In addition to deals on South Dakota to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from South Dakota to Portland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Portland.
Can I find deals for business class flights from South Dakota to Portland?
Yes. Cheapflights offers flight deals from South Dakota to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from South Dakota to Portland, Maine?
Currently, January is the cheapest month in which you can book a flight from South Dakota to Portland, Maine (average of $296). Flying from South Dakota to Portland, Maine in July is currently the most expensive (average of $394). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Brunswick

North Conway

Auburn

Conway

Lewiston

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Top 3 airlines flying from South Dakota to Portland

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$248	Average$494	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$268	Average$364	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$348	Average$548	FlexibilityNo cancel fee	On-time69%

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$142+ Cheap flights from South Dakota to Portland, ME (PWM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Dakota to Portland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from South Dakota to Portland

Keep the following information in mind while searching for South Dakota to Portland flight deals. Data was last updated July 30, 2025.

Round-trip from

One-way from

Find flight deals from South Dakota to Portland

Cheapest flights from South Dakota to PortlandExplore the most affordable flight options available from South Dakota to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Explore the most affordable flight options available from South Dakota to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from South Dakota to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from South Dakota with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from South Dakota to Portland

What is the cheapest month to book a flight from South Dakota to Portland, Maine?

Reviews of airlines servicing Portland

Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from South Dakota to Portland by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from South Dakota to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Portland from South Dakota?

What are the cheapest airlines to fly from South Dakota to Portland, Maine one-way?

Can I find deals for flights from South Dakota to Portland that include hotel bookings?

How can I find direct flights from South Dakota to Portland?

Can I find deals for business class flights from South Dakota to Portland?

What is the cheapest month to book a flight from South Dakota to Portland, Maine?

Traveling to a place near Portland?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for South Dakota to Portland

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from South Dakota to Portland

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Travel Smart

Cheapest flights from South Dakota to Portland
Explore the most affordable flight options available from South Dakota to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.