SUX - BOS

$434 Find Cheap Flights from Sioux City to Boston - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$434
Typical prices: $389-$732
United Airlines
Tue 11/13Sat 11/17
SUX - BOS • 1 stop
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Booking Insights
Flight Deals

Cheap Flights from Sioux City to Boston (SUX-BOS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sioux City to Boston

Fri, Nov 13 - Tue, Nov 17
United Airlines Logo
6:00 am - 12:46 pmSUX  Sioux City Sioux Gateway-BOS Boston Logan Intl
5h 46m1 stop Chicago O'Hare Intl
United Airlines Logo
4:45 pm - 11:43 pmBOS  Boston Logan Intl-SUX Sioux City Sioux Gateway
7h 58m1 stop Denver Intl
$434United Airlines
Fri, Nov 13 - Tue, Nov 17
United Airlines Logo
6:00 am - 12:46 pmSUX  Sioux City Sioux Gateway-BOS Boston Logan Intl
5h 46m1 stop Chicago O'Hare Intl
United Airlines Logo
1:29 pm - 11:43 pmBOS  Boston Logan Intl-SUX Sioux City Sioux Gateway
11h 14m2 stops Chicago O'Hare Intl Denver Intl
$444United Airlines
Wed, Jan 27 - Sat, Jan 30
United Airlines Logo
5:04 am - 1:55 pmSUX  Sioux City Sioux Gateway-BOS Boston Logan Intl
7h 51m1 stop Chicago O'Hare Intl
United Airlines Logo
11:52 am - 6:11 pmBOS  Boston Logan Intl-SUX Sioux City Sioux Gateway
7h 19m1 stop Chicago O'Hare Intl
$454United Airlines
Wed, Jan 27 - Sat, Jan 30
United Airlines Logo
5:04 am - 6:20 pmSUX  Sioux City Sioux Gateway-BOS Boston Logan Intl
12h 16m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
11:52 am - 6:11 pmBOS  Boston Logan Intl-SUX Sioux City Sioux Gateway
7h 19m1 stop Chicago O'Hare Intl
$464United Airlines
Wed, Jan 27 - Sat, Jan 30
United Airlines Logo
5:04 am - 5:27 pmSUX  Sioux City Sioux Gateway-BOS Boston Logan Intl
11h 23m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
8:50 am - 6:11 pmBOS  Boston Logan Intl-SUX Sioux City Sioux Gateway
10h 21m2 stops Newark Chicago O'Hare Intl
$469United Airlines
Wed, Jan 27 - Sat, Jan 30
United Airlines Logo
5:04 am - 1:55 pmSUX  Sioux City Sioux Gateway-BOS Boston Logan Intl
7h 51m1 stop Chicago O'Hare Intl
United Airlines Logo
3:00 pm - 11:44 pmBOS  Boston Logan Intl-SUX Sioux City Sioux Gateway
9h 44m1 stop Denver Intl
$474United Airlines
Wed, Jan 27 - Sat, Jan 30
United Airlines Logo
5:04 am - 6:20 pmSUX  Sioux City Sioux Gateway-BOS Boston Logan Intl
12h 16m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
11:52 am - 6:11 pmBOS  Boston Logan Intl-SUX Sioux City Sioux Gateway
7h 19m1 stop Chicago O'Hare Intl
$484United Airlines
Wed, Jan 27 - Sat, Jan 30
United Airlines Logo
5:04 am - 6:20 pmSUX  Sioux City Sioux Gateway-BOS Boston Logan Intl
12h 16m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
11:52 am - 11:44 pmBOS  Boston Logan Intl-SUX Sioux City Sioux Gateway
12h 52m2 stops Chicago O'Hare Intl Denver Intl
$489United Airlines
Booking Insights

Price, demand and travel trends for Sioux City to Boston flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Sioux City to Boston?

Round-trip flights from Sioux City to Boston typically range from $389 to $732. The lowest price found in the past 5 days was $434, on United Airlines.

Key details for Sioux City to Boston flights

Cheapest flight

$434
Round-trip flight from Sioux City to Boston

When to book flights from Sioux City to Boston

Are your dates flexible? Find out the best times to travel from Sioux City to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Sioux City to Boston flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Sioux City to Boston?

    Only Economy Class is available on flights from Sioux City to Boston.

  • Do I need a passport to fly from Sioux City to Boston?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • Have flight prices from Sioux City to Boston changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $434 to $1,248. That means the highest observed fare was about 3x higher than the lowest one.

  • What car rental options are available at Boston Logan Intl Airport (BOS)?

    Boston Logan Intl Airport (BOS) hosts 5 major car rental companies, with daily rates averaging $77 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Thrifty
    • Sixt

  • Which airports can I use when flying from Sioux City to Boston?

    Flights from Sioux City to Boston usually depart from Sioux City Sioux Gateway (SUX) and arrive at Boston Logan Intl (BOS).

  • Which airports do connecting flights from Sioux City to Boston pass through?

    Most connecting flights from Sioux City to Boston pass through Chicago O'Hare Intl (ORD), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Sioux City to Boston?

    Yes. Flexible dates can save you up to 47% on flights from Sioux City to Boston. Wednesday is the cheapest departure day at $389 round-trip on average, while Thursday is the most expensive at $732, a difference of $343.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Sioux City and Boston?

    Boston is 1 hour ahead of Sioux City (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Boston?

    Some of the most popular sights in Boston are TD Garden, Fenway Park and Boston Common. These are among the most viewed places in Boston on KAYAK.

Your guide to booking Sioux City to Boston flights

Get tips on when to book, when to fly and what to know before your trip.

More options for your flight from Sioux City to Boston

Complete your trip to Boston with a hotel stay or car rental