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$280+ Cheap flights from Boston to Sioux City (BOS - SUX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SUX
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Boston to Sioux City

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Sioux City (SUX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$560
(United Airlines)

One-way from

$280
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$618
Provider with most accurate pricing for Boston Logan Intl-Sioux City Sioux Gateway flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Sioux City Sioux Gateway flights.
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From Boston Logan Intl to Sioux City Sioux Gateway
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One-way flight from Boston Logan Intl to Sioux City Sioux Gateway
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Highest demand for flights based on searches. 5% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Boston to Sioux City

Cheapest flights from Boston to Sioux City
Explore the most affordable flight options available from Boston to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/145:30 amBOS - SUX
2 stops10h 04mUnited Airlines
Tue 3/1810:00 amSUX - BOS
1 stop6h 37mUnited Airlines
Deal found 2/20$560

Find flights from Boston to Sioux City within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Boston

Fly to

Sioux City

Route

Depart

Return

Price

BostonSioux City

BOS - SUX

BOSSUX

Boston Logan Intl

Fri 3/14

5:30 am-2:34 pm

2 stops10h 04m

Sioux City Sioux Gateway

Tue 3/18

10:00 am-5:37 pm

1 stop6h 37m

$560

BostonSioux City

BOS - SUX

BOSSUX

Boston Logan Intl

Wed 7/23

4:30 pm-10:30 pm

1 stop7h 00m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Compare providers for flights from Boston to Sioux City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Sioux City in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Sioux City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Sioux City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Sioux City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Sioux City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Sioux City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Sioux City

Have a flexible travel schedule? Discover the best time to fly to Sioux City from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Boston to Sioux City

Get recent, data-driven insights about flights from Boston to Sioux City including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Boston to Sioux City?

Currently, October is the cheapest month in which you can book a flight from Boston to Sioux City (average of $318). Flying from Boston to Sioux City in March is currently the most expensive (average of $446). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Sioux City by month

Plan your trip to Sioux City by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sioux City ranges from 0.7 - 4.2 inches per month. June is typically the wettest month, when rainfall can reach 4.2 in. January is typically the driest time to visit Sioux City when rainfall is around 0.7 in.

Temperature in Sioux City by month

Plan your trip to Sioux City by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sioux City, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Sioux City

Get insights into the airlines that provide service to Sioux City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sioux City. Reviews last updated February 20, 2025.
United Airlines
7.4
Good
8,766 reviews

Entertainment

7.1

Food

6.7

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines
7.4
Good
8,766 reviews
United Airlines
7.4
Good
8,766 reviews

Entertainment

7.1

Food

6.7

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Boston to Sioux City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Boston to Sioux City round-trip?

    Cheapflights users have booked flights from Boston to Sioux City round-trip from $560. This flight start at 11% lower than the current average price 3 months from now.

  • Can I find deals for flights from Boston to Sioux City that include hotel bookings?

    Yes. In addition to deals on Boston to Sioux City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Sioux City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Sioux City.

  • Can I find deals for business class flights from Boston to Sioux City?

    Yes. Cheapflights offers flight deals from Boston to Sioux City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Sioux City?

    Currently, October is the cheapest month in which you can book a flight from Boston to Sioux City (average of $318). Flying from Boston to Sioux City in March is currently the most expensive (average of $446). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top airline flying from Boston to Sioux City

Discover the top airline that operate flights from Boston to Sioux City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$368Average$551FlexibilityNo cancel feeOn-time69%
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