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$179+ Cheap flights from Sioux Falls to Portland, ME (FSD - 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — PWM
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheap flight deals from Sioux Falls to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Portland (PWM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated agosto 14, 2025.

Round-trip from

$269
(United Airlines)

One-way from

$179
(American Airlines)
From Sioux Falls Joe Foss Field to Portland
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One-way flight from Sioux Falls Joe Foss Field to Portland
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Find flight deals from Sioux Falls to Portland

Cheapest flights from Sioux Falls to Portland
Explore the most affordable flight options available from Sioux Falls to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/258:00 amFSD - PWM
1 stop5h 33mUnited Airlines
mar. 10/284:51 pmPWM - FSD
1 stop5h 55mUnited Airlines
Deal found 8/14$269
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/105:00 amFSD - PWM
1 stop4h 42mDelta
mar. 9/166:00 amPWM - FSD
2 stops12h 05mDelta
Deal found 8/12$299
This American Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/101:19 pmFSD - PWM
2 stops9h 26mAmerican Airlines
mar. 9/167:05 amPWM - FSD
2 stops10h 58mAmerican Airlines
Deal found 8/12$352
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/13:12 pmFSD - PWM
1 stop5h 32mUnited Airlines
lun. 10/63:39 pmPWM - FSD
1 stop8h 36mUnited Airlines
Deal found 8/14$374
This American Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/176:00 amFSD - PWM
2 stops13h 11mAmerican Airlines
mar. 9/236:01 amPWM - FSD
1 stop6h 48mAmerican Airlines
Deal found 8/12$392

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux Falls to Portland 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, Cheapflights users made 2,558,603 searches. Data last updated agosto 14, 2025.
Use the filters below to find and compare flights from Sioux Falls to Portland that are best for you.

Fly from

Sioux Falls

Fly to

Portland

Route

Depart

Return

Price

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

sáb. 10/25

8:00 am-2:33 pm

1 stop5h 33m

Portland

mar. 10/28

4:51 pm-9:46 pm

1 stop5h 55m

$269

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

mié. 9/10

5:00 am-10:42 am

1 stop4h 42m

Portland

mar. 9/16

6:00 am-5:05 pm

2 stops12h 05m

$299

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

mié. 9/10

1:19 pm-11:45 pm

2 stops9h 26m

Portland

mar. 9/16

7:05 am-5:03 pm

2 stops10h 58m

$352

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

mié. 10/1

3:12 pm-9:44 pm

1 stop5h 32m

Portland

lun. 10/6

3:39 pm-11:15 pm

1 stop8h 36m

$374

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

lun. 9/1

7:01 am-5:46 pm

1 stop9h 45m

$179

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

mié. 10/22

6:00 am-2:56 pm

1 stop7h 56m

$260

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

mié. 10/22

11:52 am-9:44 pm

2 stops8h 52m

$300

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

lun. 9/1

9:15 am-9:59 pm

2 stops11h 44m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Best time to book a flight from Sioux Falls to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Sioux Falls 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.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated agosto 14, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Sioux Falls to Portland have to say. 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

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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

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

  • What are the cheapest airlines flying from Sioux Falls to Portland, Maine round-trip?

    American Airlines, at $248, was found to be the cheapest airline from Sioux Falls to Portland, Maine.Alternate airlines to your destination round-trip include Delta and United Airlines.

  • Can I find deals for flights from Sioux Falls to Portland that include hotel bookings?

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

  • How can I find direct flights from Sioux Falls to Portland?

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

  • Can I find deals for business class flights from Sioux Falls to Portland?

    Yes. Cheapflights offers flight deals from Sioux Falls 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 Sioux Falls to Portland, Maine?

    Currently, January is the cheapest month in which you can book a flight from Sioux Falls to Portland, Maine (average of $296). Flying from Sioux Falls 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Brunswick
North Conway
Auburn
Conway
Lewiston

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Alternative routes for Sioux Falls to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Rapid City to Boston flights
Sioux Falls to Boston flights
Sioux Falls to Bangor flights
Sioux Falls to Bar Harbor flights

Top 3 airlines flying from Sioux Falls to Portland

Discover the top 3 airlines that operate flights from Sioux Falls to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$378FlexibilityNo cancel feeOn-time71%
DeltaCheapest$268Average$364FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$348Average$529FlexibilityNo cancel feeOn-time69%

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