How long is the flight from Sioux Falls to Portland, Maine?

For as low as $359, United Airlines can have you in Portland, Maine from Sioux Falls in 13h 07m. Airlines will cover a distance of 1316 mi.

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

American Airlines, at $268, 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. American Airlines is currently priced 42% below the average price you’ll pay for this route.

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.

What is the cheapest day to fly from Sioux Falls to Portland, Maine?

Travelers seeking maximum savings on their Sioux Falls to Portland, Maine flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 Sioux Falls to Portland, Maine?

When booking a flight from Sioux Falls 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 FSD to PWM?

When flying from Sioux Falls to Portland, Maine, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 19% versus a flight in the morning.

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.

$242+ Flights from Sioux Falls to Portland, ME

Q: How much does it cost to fly round-trip from Sioux Falls to Portland, Maine?

Airfare is typical for this route at the moment. Sioux Falls to Portland, Maine flights typically cost between $314 and $417 in March. The cheapest round-trip price found within the last 3 days was $359 on United Airlines (Mar 3-Mar 7).

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Cheap flight deals from Sioux Falls to Portland

Round-trip from	$359 (United Airlines)
One-way from	$242 (Kiwi.com)
Popular in	July
Cheapest in	April
Average price	$368

From Sioux Falls Joe Foss Field to Portland

Search Deals

One-way flight from Sioux Falls Joe Foss Field to Portland

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Highest demand for flights based on searches. 15% potential increase in price ($85 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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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 September 17, 2025.

Wed 9/175:00 amFSD - PWM

1 stop4h 40mDelta

Tue 9/231:40 pmPWM - FSD

2 stops10h 22mDelta

Deal found 9/15

$354

Wed 10/111:19 amFSD - PWM

2 stops10h 54mUnited Airlines

Mon 10/63:39 pmPWM - FSD

1 stop8h 36mUnited Airlines

Deal found 9/15

$379

Wed 9/179:16 amFSD - PWM

2 stops12h 47mUnited Airlines

Tue 9/236:00 amPWM - FSD

2 stops9h 37mUnited Airlines

Deal found 9/15

$472

Thu 11/208:00 amFSD - PWM

1 stop5h 12mUnited Airlines

Tue 11/254:54 pmPWM - FSD

1 stop5h 52mUnited Airlines

Deal found 9/15

$499

Thu 11/207:16 pmFSD - PWM

2 stops16h 06mAmerican Airlines

Tue 11/255:37 pmPWM - FSD

1 stop7h 22mAmerican Airlines

Deal found 9/16

$530

Best flights from Sioux Falls to Portland
Discover carefully curated flight deals from Sioux Falls to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Tue 3/39:14 amFSD - PWM

2 stops13h 07mUnited Airlines

Sat 3/76:00 amPWM - FSD

2 stops9h 35mUnited Airlines

Deal found 9/14

$359

Wed 10/18:00 amFSD - PWM

1 stop5h 33mUnited Airlines

Mon 10/63:39 pmPWM - FSD

1 stop8h 36mUnited Airlines

Deal found 9/15

$453

Thu 11/208:00 amFSD - PWM

1 stop5h 12mUnited Airlines

Tue 11/254:54 pmPWM - FSD

1 stop5h 52mUnited Airlines

Deal found 9/15

$499

Last-minute flights from Sioux Falls to Portland
Discover last-minute flight deals from Sioux Falls to Portland. Data last updated September 17, 2025 and is based on user searches.

Wed 9/175:00 amFSD - PWM

1 stop4h 40mDelta

Tue 9/231:40 pmPWM - FSD

2 stops10h 22mDelta

Deal found 9/15

$354

Wed 9/179:16 amFSD - PWM

2 stops12h 47mUnited Airlines

Tue 9/236:00 amPWM - FSD

2 stops9h 37mUnited Airlines

Deal found 9/15

$472

Wed 10/111:19 amFSD - PWM

2 stops10h 54mUnited Airlines

Mon 10/63:39 pmPWM - FSD

1 stop8h 36mUnited Airlines

Deal found 9/15

$379

Sun 10/58:00 amFSD - PWM

1 stop5h 33mUnited Airlines

Fri 10/104:57 pmPWM - FSD

1 stop18h 40mUnited Airlines

Deal found 9/17

$585

One-way flights from Sioux Falls to Portland
Search for one-way flight options from Sioux Falls to Portland. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Thu 10/93:19 pmFSD - PWM

3 stops42h 22mMultiple Airlines

Deal found 9/17

$242

Mon 10/62:54 pmFSD - PWM

3 stops51h 03mMultiple Airlines

Deal found 9/17

$253

Fri 10/107:28 pmFSD - PWM

2 stops39h 03mMultiple Airlines

Deal found 9/17

$260

Wed 10/83:12 pmFSD - PWM

1 stop5h 32mUnited Airlines

Deal found 9/17

$295

Tue 10/75:20 amFSD - PWM

1 stop4h 16mDelta

Deal found 9/17

$337

Mon 10/65:30 amFSD - PWM

1 stop5h 52mDelta

Deal found 9/17

$385

Thu 10/95:20 amFSD - PWM

1 stop4h 16mDelta

Deal found 9/17

$629

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls 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

Tue 3/3

9:14 am-11:21 pm

2 stops13h 07m

Portland

Sat 3/7

6:00 am-2:35 pm

2 stops9h 35m

$359

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Wed 10/1

8:00 am-2:33 pm

1 stop5h 33m

Portland

Mon 10/6

3:39 pm-11:15 pm

1 stop8h 36m

$453

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Thu 11/20

8:00 am-2:12 pm

1 stop5h 12m

Portland

Tue 11/25

4:54 pm-9:46 pm

1 stop5h 52m

$499

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Thu 10/9

3:19 pm-10:41 am

3 stops42h 22m

$242

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Mon 10/6

2:54 pm-6:57 pm

3 stops51h 03m

$253

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Fri 10/10

7:28 pm-11:31 am

2 stops39h 03m

$260

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Wed 10/8

3:12 pm-9:44 pm

1 stop5h 32m

$295

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Tue 10/7

5:20 am-4:03 pm

2 stops9h 43m

$342

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Mon 10/6

5:30 am-12:22 pm

1 stop5h 52m

$385

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Fri 10/10

5:20 am-10:36 am

1 stop4h 16m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 11 results

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.

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to Portland

How much does it cost to fly round-trip from Sioux Falls to Portland, Maine?

Reviews of airlines servicing Portland

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

7,961 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

7,961 reviews

Delta

8.0

Very good

7,961 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

8,926 reviews

Delta

8.0

Very good

7,961 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

7,961 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

How long is the flight from Sioux Falls to Portland, Maine?
For as low as $359, United Airlines can have you in Portland, Maine from Sioux Falls in 13h 07m. Airlines will cover a distance of 1316 mi.
What are the cheapest airlines flying from Sioux Falls to Portland, Maine round-trip?
American Airlines, at $268, 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. American Airlines is currently priced 42% below the average price you’ll pay for this route.
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

Brunswick

North Conway

Auburn

Conway

Lewiston

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Top 3 airlines flying from Sioux Falls to Portland

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$268	Average$378	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$268	Average$364	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$306	Average$443	FlexibilityNo cancel fee	On-time69%

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$242+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sioux Falls 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 Sioux Falls to Portland

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Sioux Falls to Portland

Cheapest flights from Sioux Falls to PortlandExplore 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 September 17, 2025.

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 September 17, 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to Portland

How much does it cost to fly round-trip from Sioux Falls to Portland, Maine?

Reviews of airlines servicing Portland

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.

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.

How long is the flight from Sioux Falls to Portland, Maine?

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

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

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

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

What is the cheapest month to book a flight from Sioux Falls to Portland, Maine?

Traveling to a place near Portland?

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Alternative routes for Sioux Falls to Portland

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Top 3 airlines flying from Sioux Falls to Portland

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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 September 17, 2025.