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Cheap flights from Sioux City to Maine from $428

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux City to Maine departing on 3/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Sioux City to Maine

Cheap round-trip flights

United Airlines Logo
12:45 pm - 9:24 amSUX-BOS
19h 39m1 stop
United Airlines Logo
12:20 pm - 5:32 pmBOS-SUX
6h 12m1 stop
$428United Airlines
Find Deal
vie., mar. 6 - mar., mar. 10
United Airlines Logo
6:54 pm - 10:44 amSUX-PWM
14h 50m2 stops
United Airlines Logo
6:00 am - 5:32 pmPWM-SUX
12h 32m2 stops
$429United Airlines
Find Deal
vie., mar. 6 - mar., mar. 10
United Airlines Logo
12:45 pm - 12:45 amSUX-BOS
11h 00m1 stop
United Airlines Logo
7:30 am - 5:32 pmBOS-SUX
11h 02m2 stops
$438United Airlines
Find Deal
vie., mar. 6 - mar., mar. 10
United Airlines Logo
6:00 am - 5:32 pmSUX-BOS
10h 32m2 stops
United Airlines Logo
6:00 am - 5:32 pmBOS-SUX
12h 32m2 stops
$469United Airlines
Find Deal
vie., mar. 6 - mar., mar. 10
United Airlines Logo
6:54 pm - 10:44 amSUX-PWM
14h 50m2 stops
United Airlines Logo
6:00 am - 5:32 pmPWM-SUX
12h 32m2 stops
$469United Airlines
Find Deal
vie., mar. 6 - mar., mar. 10
United Airlines Logo
6:54 pm - 10:44 amSUX-PWM
14h 50m2 stops
United Airlines Logo
6:00 am - 5:32 pmPWM-SUX
12h 32m2 stops
$509United Airlines
Find Deal
vie., mar. 6 - mar., mar. 10
United Airlines Logo
12:45 pm - 1:52 pmSUX-PWM
24h 07m1 stop
United Airlines Logo
6:00 am - 5:32 pmPWM-SUX
12h 32m2 stops
$565United Airlines
Find Deal
vie., mar. 6 - mar., mar. 10
United Airlines Logo
12:45 pm - 9:27 pmSUX-PWM
7h 42m1 stop
United Airlines Logo
6:00 am - 5:32 pmPWM-SUX
12h 32m1 stop
$833United Airlines
Find Deal
vie., mar. 6 - mar., mar. 10
United Airlines Logo
12:45 pm - 9:27 pmSUX-PWM
7h 42m1 stop
United Airlines Logo
6:00 am - 5:32 pmPWM-SUX
12h 32m1 stop
$883United Airlines
Find Deal
vie., mar. 6 - mar., mar. 10
United Airlines Logo
7:50 am - 2:33 pmSUX-PWM
5h 43m1 stop
United Airlines Logo
4:57 pm - 11:00 pmPWM-SUX
7h 03m1 stop
$1,140United Airlines
Find Deal
jue., oct. 9 - lun., oct. 13

United Airlines flights from Sioux City to Maine

Our best United Airlines deals on Sioux City to Maine flight tickets
United Airlines
Mar 6
SUX12:45 pmSioux City Sioux Gateway
19h 39m
1 stop
BOS9:24 amBoston Logan Intl
Mar 10
BOS12:20 pmBoston Logan Intl
6h 12m
1 stop
SUX5:32 pmSioux City Sioux Gateway
$428
Find similar
United Airlines
Mar 6
SUX6:54 pmSioux City Sioux Gateway
14h 50m
2 stops
PWM10:44 amPortland
Mar 10
PWM6:00 amPortland
12h 32m
2 stops
SUX5:32 pmSioux City Sioux Gateway
$429
Find similar
United Airlines
Mar 6
SUX12:45 pmSioux City Sioux Gateway
11h 00m
1 stop
BOS12:45 amBoston Logan Intl
Mar 10
BOS7:30 amBoston Logan Intl
11h 02m
2 stops
SUX5:32 pmSioux City Sioux Gateway
$438
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated septiembre 25, 2025.
Use the filters below to find and compare flights from Sioux City to Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux CityBoston

SUX - BOS

SUXBOS

Sioux City Sioux Gateway

vie. 3/6

12:45 pm-9:24 am

1 stop19h 39m

Boston Logan Intl

mar. 3/10

12:20 pm-5:32 pm

1 stop6h 12m

$428

Sioux CityPortland

SUX - PWM

SUXPWM

Sioux City Sioux Gateway

vie. 3/6

6:54 pm-10:44 am

2 stops14h 50m

Portland

mar. 3/10

6:00 am-5:32 pm

2 stops12h 32m

$429

Sioux CityBoston

SUX - BOS

SUXBOS

Sioux City Sioux Gateway

vie. 3/6

12:45 pm-12:45 am

1 stop11h 00m

Boston Logan Intl

mar. 3/10

7:30 am-5:32 pm

2 stops11h 02m

$438

Sioux CityBoston

SUX - BOS

SUXBOS

Sioux City Sioux Gateway

vie. 3/6

6:00 am-5:32 pm

2 stops10h 32m

Boston Logan Intl

mar. 3/10

6:00 am-5:32 pm

2 stops12h 32m

$469

Sioux CityPortland

SUX - PWM

SUXPWM

Sioux City Sioux Gateway

vie. 3/6

6:54 pm-10:44 am

2 stops14h 50m

Portland

mar. 3/10

6:00 am-5:32 pm

2 stops12h 32m

$469

Sioux CityPortland

SUX - PWM

SUXPWM

Sioux City Sioux Gateway

vie. 3/6

6:54 pm-10:44 am

2 stops14h 50m

Portland

mar. 3/10

6:00 am-5:32 pm

2 stops12h 32m

$509

Sioux CityPortland

SUX - PWM

SUXPWM

Sioux City Sioux Gateway

vie. 3/6

12:45 pm-1:52 pm

1 stop24h 07m

Portland

mar. 3/10

6:00 am-5:32 pm

2 stops12h 32m

$565

Sioux CityPortland

SUX - PWM

SUXPWM

Sioux City Sioux Gateway

vie. 3/6

12:45 pm-9:27 pm

1 stop7h 42m

Portland

mar. 3/10

6:00 am-5:32 pm

1 stop12h 32m

$833

Sioux CityPortland

SUX - PWM

SUXPWM

Sioux City Sioux Gateway

vie. 3/6

12:45 pm-9:27 pm

1 stop7h 42m

Portland

mar. 3/10

6:00 am-5:32 pm

1 stop12h 32m

$883

Sioux CityPortland

SUX - PWM

SUXPWM

Sioux City Sioux Gateway

jue. 10/9

7:50 am-2:33 pm

1 stop5h 43m

Portland

lun. 10/13

4:57 pm-11:00 pm

1 stop7h 03m

$1,140

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Maine from

How to get the cheapest flight ticket from Sioux City to Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Maine?

The cheapest day to depart from Sioux City to Maine is on a Thursday. Travelers who choose to depart for Maine on a Thursday will often find tickets for as low as $312. Flights from Sioux City to Maine on a Wednesday will generally be more expensive and average around $438. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Cheap Sioux City to Maine flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux City to Maine

Direct flights

None
There are no direct flights from Sioux City to Maine. There are no popular flight routes from Sioux City to Maine.
Search flight deals

  • When did momondo last update prices for flights from Sioux City Sioux Gateway Airport to Maine?

    Prices for flights from Sioux City Sioux Gateway Airport to Maine are updated daily.

  • How many operators does momondo search for flights from Sioux City Sioux Gateway Airport to Maine?

  • How old do you have to be to fly from Sioux City Sioux Gateway Airport to Maine?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sioux City Sioux Gateway Airport to Maine.

  • What documentation or ID do you need to fly to Maine?

    The required travel and health documents for your Maine trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Maine. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Sioux City to Maine?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sioux City to Maine. momondo saves you time and could save you money on your trip.

Can I find flights from Sioux City to Maine with flexible booking policies on momondo?

Flights from Sioux City to Maine with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Sioux City to Maine?

Once you have performed a search for Sioux City to Maine flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Sioux City to Maine right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Sioux City to Maine flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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