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$334+ Cheap flights from Sioux City (SUX) to Maine

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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — PWM
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
1 adult, Economy
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Cheap flight deals from Sioux City to Maine

Best flights from Sioux City to Maine
Discover carefully curated flight deals from Sioux City to Maine that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 8, 2025.

This United Airlines deal was found by Cheapflights users on 12/5. 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.
Wed 1/2112:45 pmSUX - BOS
1 stop7h 53mUnited Airlines
Sat 1/243:15 pmBOS - SUX
1 stop9h 32mUnited Airlines
Deal found 12/5$334
This United Airlines deal was found by Cheapflights users on 12/6. 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.
Sat 1/2412:45 pmSUX - PWM
2 stops9h 45mUnited Airlines
Tue 1/276:00 amPWM - SUX
2 stops12h 28mUnited Airlines
Deal found 12/6$384
This United Airlines deal was found by Cheapflights users on 12/8. 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.
Thu 4/26:30 pmSUX - BOS
1 stop18h 22mUnited Airlines
Sun 4/55:45 amBOS - SUX
2 stops12h 47mUnited Airlines
Deal found 12/8$607

Find flight deals from Sioux City to Maine

Keep the following information in mind while searching for Sioux City to Maine flight deals. Data was last updated December 8, 2025.

Round-trip from

$334
(United Airlines)
From Sioux City Sioux Gateway to Maine
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux City to 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, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
Use the filters below to find and compare flights from Sioux City to Maine that are best for you.

Fly from

Sioux City

Fly to

Maine

Route

Depart

Return

Price

Sioux CityBoston

SUX - BOS

SUXBOS

Sioux City Sioux Gateway

Wed 1/21

12:45 pm-9:38 pm

1 stop7h 53m

Boston Logan Intl

Sat 1/24

3:15 pm-11:47 pm

1 stop9h 32m

$334

Sioux CityPortland

SUX - PWM

SUXPWM

Sioux City Sioux Gateway

Sat 1/24

12:45 pm-11:30 pm

2 stops9h 45m

Portland

Tue 1/27

6:00 am-5:28 pm

2 stops12h 28m

$384

Sioux CityBoston

SUX - BOS

SUXBOS

Sioux City Sioux Gateway

Thu 4/2

6:30 pm-1:52 pm

1 stop18h 22m

Boston Logan Intl

Sun 4/5

5:45 am-5:32 pm

2 stops12h 47m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/5

Best time to book a flight from Sioux City to Maine

Have a flexible travel schedule? Discover the best time to fly to Maine from Sioux City 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 City to Maine

What is the cheapest month to book a flight from Sioux City to Maine?

Currently, March is the cheapest month in which you can book a flight from Sioux City to Maine (average of $188). Flying from Sioux City to Maine in December is currently the most expensive (average of $460). 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.

Related info for your journey

Find useful and relevant information for your journey from Sioux City to Maine. 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 from for flights from Sioux City to Maine?

    Sioux City Sioux Gateway (SUX), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Sioux City to Maine.

  • How long is the flight from Sioux City to Maine?

    Departing from Sioux City to Maine will take you 7h 53m. The distance from Sioux City to Maine is about 1289 mi.

  • Can I find deals for flights from Sioux City to Maine that include hotel bookings?

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

  • How can I find direct flights from Sioux City to Maine?

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

  • Can I find deals for business class flights from Sioux City to Maine?

    Yes. Cheapflights offers flight deals from Sioux City to Maine 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 City to Maine?

    Currently, March is the cheapest month in which you can book a flight from Sioux City to Maine (average of $188). Flying from Sioux City to Maine in December is currently the most expensive (average of $460). 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.

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