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Cheap flights from Boston to Sioux City from $329

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Sioux City departing on 9/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Sioux City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:36 pm - 11:43 pm
BOS
-
SUX
12h 07m
2 stops
United Airlines Logo
8:35 am - 7:25 pm
SUX
-
BOS
9h 50m
2 stops
$329United Airlines
Thu, Sep 24 - Sat, Sep 26
United Airlines Logo
5:08 pm - 11:43 pm
BOS
-
SUX
7h 35m
1 stop
United Airlines Logo
8:35 am - 9:28 pm
SUX
-
BOS
11h 53m
2 stops
$338United Airlines
Thu, Sep 24 - Sat, Sep 26
United Airlines Logo
5:08 pm - 11:43 pm
BOS
-
SUX
7h 35m
1 stop
United Airlines Logo
8:35 am - 4:21 pm
SUX
-
BOS
6h 46m
1 stop
$396United Airlines
Thu, Sep 24 - Sat, Sep 26
United Airlines Logo
10:38 am - 5:53 pm
BOS
-
SUX
8h 15m
1 stop
United Airlines Logo
11:30 am - 9:59 pm
SUX
-
BOS
9h 29m
1 stop
$435United Airlines
Sat, Aug 29 - Mon, Aug 31
United Airlines Logo
12:27 pm - 5:53 pm
BOS
-
SUX
6h 26m
1 stop
United Airlines Logo
11:30 am - 1:10 am
SUX
-
BOS
12h 40m
2 stops
$440United Airlines
Sat, Aug 29 - Mon, Aug 31
United Airlines Logo
7:30 am - 5:53 pm
BOS
-
SUX
11h 23m
2 stops
United Airlines Logo
11:30 am - 1:10 am
SUX
-
BOS
12h 40m
2 stops
$450United Airlines
Sat, Aug 29 - Mon, Aug 31
United Airlines Logo
6:00 am - 5:53 pm
BOS
-
SUX
12h 53m
3 stops
United Airlines Logo
11:30 am - 1:10 am
SUX
-
BOS
12h 40m
2 stops
$501United Airlines
Sat, Aug 29 - Mon, Aug 31
United Airlines Logo
12:41 pm - 11:43 pm
BOS
-
SUX
12h 02m
2 stops
United Airlines Logo
6:35 pm - 11:54 pm
SUX
-
BOS
28h 19m
1 stop
$531United Airlines
Tue, Sep 8 - Thu, Sep 10
United Airlines Logo
5:08 pm - 11:43 pm
BOS
-
SUX
7h 35m
1 stop
United Airlines Logo
6:35 pm - 11:54 pm
SUX
-
BOS
28h 19m
1 stop
$538United Airlines
Tue, Sep 8 - Thu, Sep 10
United Airlines Logo
12:41 pm - 11:43 pm
BOS
-
SUX
12h 02m
2 stops
United Airlines Logo
6:35 pm - 9:29 pm
SUX
-
BOS
25h 54m
2 stops
$544United Airlines
Tue, Sep 8 - Thu, Sep 10

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United Airlines flights from Boston to Sioux City

Our best United Airlines deals on Boston to Sioux City flight tickets
United Airlines
Sep 24
BOS12:36 pmBoston Logan Intl
12h 07m
2 stops
SUX11:43 pmSioux City Sioux Gateway
Sep 26
SUX8:35 amSioux City Sioux Gateway
9h 50m
2 stops
BOS7:25 pmBoston Logan Intl
$329
United Airlines
Sep 24
BOS5:08 pmBoston Logan Intl
7h 35m
1 stop
SUX11:43 pmSioux City Sioux Gateway
Sep 26
SUX8:35 amSioux City Sioux Gateway
11h 53m
2 stops
BOS9:28 pmBoston Logan Intl
$338
United Airlines
Sep 24
BOS5:08 pmBoston Logan Intl
7h 35m
1 stop
SUX11:43 pmSioux City Sioux Gateway
Sep 26
SUX8:35 amSioux City Sioux Gateway
6h 46m
1 stop
BOS4:21 pmBoston Logan Intl
$396

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Sioux City 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 July 12, 2026.
Use the filters below to find and compare flights from Boston to Sioux City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSioux City

BOS - SUX

BOSSUX

Boston Logan Intl

Thu 9/24

12:36 pm-11:43 pm

2 stops12h 07m

Sioux City Sioux Gateway

Sat 9/26

8:35 am-7:25 pm

2 stops9h 50m

$329

BostonSioux City

BOS - SUX

BOSSUX

Boston Logan Intl

Thu 9/24

5:08 pm-11:43 pm

1 stop7h 35m

Sioux City Sioux Gateway

Sat 9/26

8:35 am-9:28 pm

2 stops11h 53m

$338
Quickest round-trip

BostonSioux City

BOS - SUX

BOSSUX

Boston Logan Intl

Thu 9/24

5:08 pm-11:43 pm

1 stop7h 35m

Sioux City Sioux Gateway

Sat 9/26

8:35 am-4:21 pm

1 stop6h 46m

$396

BostonSioux City

BOS - SUX

BOSSUX

Boston Logan Intl

Sat 8/29

10:38 am-5:53 pm

1 stop8h 15m

Sioux City Sioux Gateway

Mon 8/31

11:30 am-9:59 pm

1 stop9h 29m

$435

BostonSioux City

BOS - SUX

BOSSUX

Boston Logan Intl

Sat 8/29

12:27 pm-5:53 pm

1 stop6h 26m

Sioux City Sioux Gateway

Mon 8/31

11:30 am-1:10 am

2 stops12h 40m

$440

BostonSioux City

BOS - SUX

BOSSUX

Boston Logan Intl

Sat 8/29

7:30 am-5:53 pm

2 stops11h 23m

Sioux City Sioux Gateway

Mon 8/31

11:30 am-1:10 am

2 stops12h 40m

$450

BostonSioux City

BOS - SUX

BOSSUX

Boston Logan Intl

Sat 8/29

6:00 am-5:53 pm

3 stops12h 53m

Sioux City Sioux Gateway

Mon 8/31

11:30 am-1:10 am

2 stops12h 40m

$501

BostonSioux City

BOS - SUX

BOSSUX

Boston Logan Intl

Tue 9/8

12:41 pm-11:43 pm

2 stops12h 02m

Sioux City Sioux Gateway

Thu 9/10

6:35 pm-11:54 pm

1 stop28h 19m

$531

BostonSioux City

BOS - SUX

BOSSUX

Boston Logan Intl

Tue 9/8

5:08 pm-11:43 pm

1 stop7h 35m

Sioux City Sioux Gateway

Thu 9/10

6:35 pm-11:54 pm

1 stop28h 19m

$538

BostonSioux City

BOS - SUX

BOSSUX

Boston Logan Intl

Tue 9/8

12:41 pm-11:43 pm

2 stops12h 02m

Sioux City Sioux Gateway

Thu 9/10

6:35 pm-9:29 pm

2 stops25h 54m

$544

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Sioux City from

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

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 airline that flies from Boston Logan Intl to Sioux City Sioux Gateway?

United Airlines is the most popular carrier operating from Boston Logan Intl to Sioux City Sioux Gateway

What airlines fly to Sioux City?

American Airlines, Delta and Southwest are the top three most popular airlines that fly to Sioux City from Boston according to our data. American Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Sioux City. Keep in mind that there are 4 different airlines that fly to Sioux City on a routine basis, so you have a few additional options to choose from.

When to book flights from Boston to Sioux City

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

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

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

Fastest flight time

7h 44m

Direct flights

None
The fastest flight from Boston to Sioux City takes 7h 44m
There are no direct flights from Boston to Sioux City. There are no popular flight routes from Boston to Sioux City.
Search flight deals

Frequently asked questions about flying from Boston to Sioux City

  • How far is Boston Logan Intl to Sioux City Sioux Gateway by plane?

    Boston Logan Intl and Sioux City Sioux Gateway are 1286.6 mi apart from one another. Typically, this will take 7h 44m by plane in normal conditions.

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

    Prices for flights from Boston Logan Intl Airport to Sioux City Sioux Gateway Airport were last updated today.

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

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

  • What documentation or ID do you need to fly to Sioux City Sioux Gateway Airport?

    The travel and health documents you'll need for your trip to Sioux City Sioux Gateway Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sioux City Sioux Gateway Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Boston to Sioux City

Compare and see reviews for airlines that fly from Boston to Sioux City with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $253Free CancellationRating
7.4
9,979 reviews
Search United Airlines flights

Traveling to a place near Sioux City?

Book flights to Sioux City if you plan to visit one of these locations
Norfolk

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Sioux City for you.

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

Yes. momondo allows you to filter the results for Boston to Sioux City flights to just show those with flexible booking policies.

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

Once all potential Boston to Sioux City flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Boston to Sioux City flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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