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Cheap flights from Sioux City to Boston from $349

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 Boston departing on 3/4. 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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0 bags

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Find the cheapest flights from Sioux City to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:00 pm - 11:57 pmSUX-BOS
9h 57m2 stops
United Airlines Logo
10:30 am - 5:32 pmBOS-SUX
8h 02m2 stops
$349United Airlines
Find Deal
Wed, Mar 4 - Sat, Mar 7
United Airlines Logo
6:00 am - 1:54 pmSUX-BOS
6h 54m1 stop
United Airlines Logo
8:45 am - 5:32 pmBOS-SUX
9h 47m2 stops
$379United Airlines
Find Deal
Wed, Mar 4 - Sat, Mar 7
United Airlines Logo
6:00 am - 1:54 pmSUX-BOS
6h 54m1 stop
United Airlines Logo
10:57 am - 5:32 pmBOS-SUX
7h 35m1 stop
$404United Airlines
Find Deal
Wed, Mar 4 - Sat, Mar 7
United Airlines Logo
6:00 am - 1:54 pmSUX-BOS
6h 54m1 stop
United Airlines Logo
6:23 pm - 4:32 pmBOS-SUX
23h 09m1 stop
$422United Airlines
Find Deal
Wed, Mar 4 - Sat, Mar 7

United Airlines flights from Sioux City to Boston

Our best United Airlines deals on Sioux City to Boston flight tickets
United Airlines
Mar 4
SUX1:00 pmSioux City Sioux Gateway
9h 57m
2 stops
BOS11:57 pmBoston Logan Intl
Mar 7
BOS10:30 amBoston Logan Intl
8h 02m
2 stops
SUX5:32 pmSioux City Sioux Gateway
$349
Find similar
United Airlines
Mar 4
SUX6:00 amSioux City Sioux Gateway
6h 54m
1 stop
BOS1:54 pmBoston Logan Intl
Mar 7
BOS8:45 amBoston Logan Intl
9h 47m
2 stops
SUX5:32 pmSioux City Sioux Gateway
$379
Find similar
United Airlines
Mar 4
SUX6:00 amSioux City Sioux Gateway
6h 54m
1 stop
BOS1:54 pmBoston Logan Intl
Mar 7
BOS10:57 amBoston Logan Intl
7h 35m
1 stop
SUX5:32 pmSioux City Sioux Gateway
$404
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sioux City to Boston 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 November 2, 2025.
Use the filters below to find and compare flights from Sioux City to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux CityBoston

SUX - BOS

SUXBOS

Sioux City Sioux Gateway

Wed 3/4

1:00 pm-11:57 pm

2 stops9h 57m

Boston Logan Intl

Sat 3/7

10:30 am-5:32 pm

2 stops8h 02m

$349

Sioux CityBoston

SUX - BOS

SUXBOS

Sioux City Sioux Gateway

Wed 3/4

6:00 am-1:54 pm

1 stop6h 54m

Boston Logan Intl

Sat 3/7

8:45 am-5:32 pm

2 stops9h 47m

$379

Sioux CityBoston

SUX - BOS

SUXBOS

Sioux City Sioux Gateway

Wed 3/4

6:00 am-1:54 pm

1 stop6h 54m

Boston Logan Intl

Sat 3/7

10:57 am-5:32 pm

1 stop7h 35m

$404

Sioux CityBoston

SUX - BOS

SUXBOS

Sioux City Sioux Gateway

Wed 3/4

6:00 am-1:54 pm

1 stop6h 54m

Boston Logan Intl

Sat 3/7

6:23 pm-4:32 pm

1 stop23h 09m

$422

Sioux CityBoston

SUX - BOS

SUXBOS

Sioux City Sioux Gateway

Wed 11/12

7:45 am-9:49 pm

1 stop13h 04m

$354

Sioux CityBoston

SUX - BOS

SUXBOS

Sioux City Sioux Gateway

Wed 11/12

7:45 am-10:47 pm

2 stops14h 02m

$389

Sioux CityBoston

SUX - BOS

SUXBOS

Sioux City Sioux Gateway

Wed 11/12

7:45 am-12:28 pm

3 stops27h 43m

$1,393

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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 Boston?

The cheapest day to depart from Sioux City to Boston is on a Thursday when prices can be found for as low as $312. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Wednesday is $438.

When to book flights from Sioux City to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from Sioux City to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sioux City to Boston (SUX to BOS) flight deals and tips

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

Direct flights

None
There are no direct flights from Sioux City to Boston. There are no popular flight routes from Sioux City to Boston.
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  • How far is Sioux City Sioux Gateway to Boston Logan Intl by plane?

    The straight-line distance from Sioux City Sioux Gateway to Boston Logan Intl is 1286.6 mi. By plane, this route typically takes 6h 54m.

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

    Prices for flights from Sioux City Sioux Gateway Airport to Boston Logan Intl Airport refresh daily.

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

  • How old do you have to be to fly from Sioux City Sioux Gateway Airport to Boston Logan Intl Airport?

    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 Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The required travel and health documents for your Boston Logan Intl Airport 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 Boston Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Sioux City to Boston?

Best airlines flying from Sioux City to Boston

Compare and see reviews for airlines that fly from Sioux City to Boston with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $253Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Plymouth
Kennebunkport
Cambridge
South Yarmouth
Narragansett
Nashua
Gloucester
Falmouth
Laconia
Brockton
Concord
Everett
Sturbridge
Warwick

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Sioux City to Boston. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Boston from Sioux City which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Boston from Sioux City. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Sioux City to Boston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Boston and let you know when they change.

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