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

Delta, at $269, was found to be the cheapest airline from Sioux Falls to Portland, Maine.Alternate airlines to your destination round-trip include American Airlines and United Airlines.

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 day to fly round-trip from Sioux Falls to Portland, Maine?

Users have found that flying from Sioux Falls to Portland, Maine on a Wednesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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.

$269+ Flights from Sioux Falls to Portland, ME

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Cheap flight deals from Sioux Falls to Portland

Round-trip from	$269 (Delta)

From Sioux Falls Joe Foss Field to Portland

Search Deals

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 junio 30, 2025.

mar. 8/265:27 amFSD - PWM

1 stop6h 02mDelta

sáb. 8/305:30 pmPWM - FSD

1 stop6h 36mDelta

Deal found 6/29

$269

vie. 7/412:06 pmFSD - PWM

1 stop7h 06mAmerican Airlines

mié. 7/912:03 pmPWM - FSD

1 stop6h 25mAmerican Airlines

Deal found 6/28

$337

jue. 8/289:15 amFSD - PWM

2 stops12h 48mUnited Airlines

mié. 9/310:05 amPWM - FSD

2 stops14h 35mUnited Airlines

Deal found 6/28

$506

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 junio 30, 2025.

mar. 8/265:27 amFSD - PWM

1 stop6h 02mDelta

sáb. 8/305:30 pmPWM - FSD

1 stop6h 36mDelta

Deal found 6/29

$269

jue. 8/287:01 amFSD - PWM

1 stop9h 48mAmerican Airlines

mié. 9/39:18 amPWM - FSD

1 stop8h 45mAmerican Airlines

Deal found 6/28

$376

jue. 8/289:15 amFSD - PWM

2 stops12h 48mUnited Airlines

mié. 9/310:05 amPWM - FSD

2 stops14h 35mUnited Airlines

Deal found 6/28

$506

Last-minute flights from Sioux Falls to Portland
Discover last-minute flight deals from Sioux Falls to Portland. Data last updated junio 30, 2025 and is based on user searches.

dom. 6/2911:55 amFSD - PWM

2 stops10h 49mUnited Airlines

mar. 7/110:48 amPWM - FSD

2 stops10h 32mUnited Airlines

Deal found 6/28

$508

vie. 7/412:56 pmFSD - PWM

2 stops9h 34mDelta

mié. 7/911:40 amPWM - FSD

1 stop6h 56mDelta

Deal found 6/28

$311

vie. 7/412:06 pmFSD - PWM

1 stop7h 06mAmerican Airlines

mié. 7/912:03 pmPWM - FSD

1 stop6h 25mAmerican Airlines

Deal found 6/29

$337

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

mar. 8/26

5:27 am-12:29 pm

1 stop6h 02m

Portland

sáb. 8/30

5:30 pm-11:06 pm

1 stop6h 36m

$269

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

jue. 8/28

7:01 am-5:49 pm

1 stop9h 48m

Portland

mié. 9/3

9:18 am-5:03 pm

1 stop8h 45m

$376

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

jue. 8/28

9:15 am-11:03 pm

2 stops12h 48m

Portland

mié. 9/3

10:05 am-11:40 pm

2 stops14h 35m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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

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

7,973 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

7,973 reviews

Delta

8.0

Very good

7,973 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

8,852 reviews

Delta

8.0

Very good

7,973 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

7,973 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 are the cheapest airlines flying from Sioux Falls to Portland, Maine round-trip?
Delta, at $269, was found to be the cheapest airline from Sioux Falls to Portland, Maine.Alternate airlines to your destination round-trip include American Airlines 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

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Conway

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Top 3 airlines flying from Sioux Falls to Portland

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$248	Average$378	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$273	Average$402	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$348	Average$538	FlexibilityNo cancel fee	On-time69%

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$269+ Cheap flights from Sioux Falls to Portland, ME (FSD - PWM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. 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

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 junio 30, 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 junio 30, 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.

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.

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 Sioux Falls?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sioux Falls to Portland

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

Top 3 airlines flying from Sioux Falls to Portland

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Travel Smart

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 junio 30, 2025.