BOS - SUX

$203 Find Cheap Flights from Boston to Sioux City - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$431
Typical prices: $442-$662
United Airlines
Tue 11/20Fri 11/23
BOS - SUX • 1 stop
Cheapest one-way
$203
Typical prices: $282-$554
United Airlines
Fri 11/23
BOS - SUX • 2 stops
When to travel
January
Cheapest • 48% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Denver Intl (DEN)
Cheapest • Avg $353 (round-trip)
Chicago O'Hare Intl (ORD)
Shortest trip • 6h 55m (one-way)
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Flight Deals

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

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

Recent round-trip flight deals from Boston to Sioux City

Fri, Nov 20 - Mon, Nov 23
United Airlines Logo
1:29 pm - 6:10 pmBOS  Boston Logan Intl-SUX Sioux City Sioux Gateway
5h 41m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 12:46 pmSUX  Sioux City Sioux Gateway-BOS Boston Logan Intl
5h 46m1 stop Chicago O'Hare Intl
$431United Airlines
Fri, Nov 20 - Mon, Nov 23
United Airlines Logo
1:29 pm - 6:10 pmBOS  Boston Logan Intl-SUX Sioux City Sioux Gateway
5h 41m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 6:34 pmSUX  Sioux City Sioux Gateway-BOS Boston Logan Intl
11h 34m2 stops Chicago O'Hare Intl Newark
$454United Airlines
Fri, Nov 20 - Mon, Nov 23
United Airlines Logo
7:15 am - 6:10 pmBOS  Boston Logan Intl-SUX Sioux City Sioux Gateway
11h 55m2 stops Newark Chicago O'Hare Intl
United Airlines Logo
6:00 am - 3:48 pmSUX  Sioux City Sioux Gateway-BOS Boston Logan Intl
8h 48m2 stops Chicago O'Hare Intl Newark
$521United Airlines
Fri, Jan 8 - Tue, Jan 12
United Airlines Logo
3:00 pm - 11:44 pmBOS  Boston Logan Intl-SUX Sioux City Sioux Gateway
9h 44m1 stop Denver Intl
United Airlines Logo
6:46 pm - 7:50 pmSUX  Sioux City Sioux Gateway-BOS Boston Logan Intl
24h 04m1 stop Denver Intl
$549United Airlines
Fri, Jan 8 - Tue, Jan 12
United Airlines Logo
9:30 am - 6:11 pmBOS  Boston Logan Intl-SUX Sioux City Sioux Gateway
9h 41m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
United Airlines Logo
6:46 pm - 3:39 pmSUX  Sioux City Sioux Gateway-BOS Boston Logan Intl
19h 53m1 stop Denver Intl
$559United Airlines
Fri, Jan 8 - Tue, Jan 12
United Airlines Logo
12:26 pm - 11:44 pmBOS  Boston Logan Intl-SUX Sioux City Sioux Gateway
12h 18m3 stops Newark Washington, D.C. Dulles Intl Denver Intl
United Airlines Logo
6:46 pm - 1:41 pmSUX  Sioux City Sioux Gateway-BOS Boston Logan Intl
17h 55m1 stop Denver Intl
$564United Airlines
Fri, Jan 8 - Tue, Jan 12
United Airlines Logo
12:26 pm - 11:44 pmBOS  Boston Logan Intl-SUX Sioux City Sioux Gateway
12h 18m3 stops Newark Washington, D.C. Dulles Intl Denver Intl
United Airlines Logo
6:46 pm - 1:55 pmSUX  Sioux City Sioux Gateway-BOS Boston Logan Intl
18h 09m2 stops Denver Intl Chicago O'Hare Intl
$578United Airlines
Booking Insights

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

Round-trip flights from Boston to Sioux City typically range from $442 to $662. The lowest price found in the past 5 days was $431, on United Airlines.

What's the cheapest day of the week to fly from Boston to Sioux City?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Boston to Sioux City. It’s 8% cheaper than the average day, while Monday is the most expensive, with prices 59% higher.

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Key details for Boston to Sioux City flights

Low season

November

Cheapest flight

$203
Beat the crowds with an average 74% drop in travelers.
The most popular month to fly with an average 30% increase in travelers.
One-way flight from Boston to Sioux City

When to book flights from Boston to Sioux City

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

Your Boston to Sioux City 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 Boston to Sioux City?

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

  • How long is a flight from Boston to Sioux City?

    There are currently no nonstop flights available from Boston to Sioux City. Flights with 1 layover take between 6h 55m and 7h 28m in total, depending on the connection.

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

    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.

  • How much should I expect to pay for a Boston to Sioux City flight?

    Round-trip flights from Boston to Sioux City range from $442 to $662, with an average of $490 over the past 12 months. Anything below $442 counts as a good deal.

  • Have flight prices from Boston to Sioux City 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 $431 to $1,135. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Boston to Sioux City looking right now?

    One-way fares from Boston to Sioux City are currently lower than usual. Average one-way flight prices are about $289, which is 8% below the typical average for this route.

  • What car rental options are available at Sioux City Sioux Gateway Airport (SUX)?

    Sioux City Sioux Gateway Airport (SUX) hosts 5 major car rental companies, with daily rates starting from around $22 for economy cars. Top options include:

    • Alamo
    • Enterprise Rent-A-Car
    • Hertz
    • Avis
    • National

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

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

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

    Connecting flights from Boston to Sioux City most commonly pass through:

    • Chicago O'Hare Intl (ORD) - 89% of one-stop connections
    • Denver Intl (DEN) - 11% of one-stop connections

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

    Yes. Flexible dates can save you up to 42% on flights from Boston to Sioux City. Sunday is the cheapest departure day at $453 round-trip on average, while Monday is the most expensive at $780, a difference of $327.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Boston to Sioux City?

    Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 6h 55m, compared with 7h 28m via Denver Intl (DEN).

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

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

Your guide to booking Boston to Sioux City flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Monday. On this route, Sunday flights average $453, about $327 less than Monday fares (42% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boston to Sioux City trip for January. Fares historically average $253 round-trip in that month - typically $758 less than the most expensive month, which is September (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sioux City Sioux Gateway Airport.

    • Sioux City Inn

More options for your flight from Boston to Sioux City

Complete your trip to Sioux City with a hotel stay or car rental

Car rentals in Sioux City
Hotels in Sioux City