How long is the flight from Sioux City to Boston?

Airlines like United Airlines fly from Sioux City to Boston in about 9h 57m. The time it takes to get you to your destination can typically vary by up to . Sioux City and Boston are separated by a distance of 1289 mi.

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

United Airlines, at $253, was found to be the cheapest airline from Sioux City to Boston..

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

If weather is an important factor for your trip to Boston, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What is the cheapest time of day to fly from SUX to BOS?

When flying from Sioux City to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Sioux City-Boston flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sioux City-Boston flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Sioux City-Boston flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Sioux City-Boston flights, Cheapflights users trust eDreams the most. eDreams 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 Sioux City-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

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

$344+ Cheap Flights from Sioux City to Boston

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Sioux City to Boston

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$344 (United Airlines)

Provider with most accurate pricing for Sioux City Sioux Gateway-Boston Logan Intl flight deals.

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Provider most trusted by Cheapflights users for Sioux City Sioux Gateway-Boston Logan Intl flights.

Search Deals

From Sioux City Sioux Gateway to Boston Logan Intl

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Find flight deals from Sioux City to Boston

Cheapest flights from Sioux City to Boston
Explore the most affordable flight options available from Sioux City to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2025.

Tue 12/26:52 pmSUX - BOS

1 stop18h 03mUnited Airlines

Wed 12/36:23 pmBOS - SUX

1 stop5h 36mUnited Airlines

Deal found 10/31

$551

Best flights from Sioux City to Boston
Discover carefully curated flight deals from Sioux City to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 31, 2025.

Wed 3/41:00 pmSUX - BOS

2 stops9h 57mUnited Airlines

Sat 3/712:23 pmBOS - SUX

1 stop6h 09mUnited Airlines

Deal found 10/30

$344

Fri 3/612:45 pmSUX - BOS

1 stop5h 52mUnited Airlines

Tue 3/1010:57 amBOS - SUX

1 stop7h 35mUnited Airlines

Deal found 10/28

$469

Tue 12/26:52 pmSUX - BOS

1 stop18h 03mUnited Airlines

Wed 12/36:23 pmBOS - SUX

1 stop5h 36mUnited Airlines

Deal found 10/31

$551

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

12:23 pm-5:32 pm

1 stop6h 09m

$344

Sioux CityBoston

SUX - BOS

SUXBOS

Sioux City Sioux Gateway

Fri 3/6

12:45 pm-7:37 pm

1 stop5h 52m

Boston Logan Intl

Tue 3/10

10:57 am-5:32 pm

1 stop7h 35m

$469

Sioux CityBoston

SUX - BOS

SUXBOS

Sioux City Sioux Gateway

Tue 12/2

6:52 pm-1:55 pm

1 stop18h 03m

Boston Logan Intl

Wed 12/3

6:23 pm-10:59 pm

1 stop5h 36m

$551

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Compare providers for flights from Sioux City to Boston

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux City to Boston in October.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy2 stars	Trust 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 Sioux City-Boston flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sioux City-Boston flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Sioux City-Boston flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Sioux City-Boston flights, Cheapflights users trust eDreams the most. eDreams 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 Sioux City-Boston 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 Sioux City to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Sioux City 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.

Cheapflights Insights

Everything you need to know about your flight from Sioux City to Boston

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

Currently, October is the cheapest month in which you can book a flight from Sioux City to Boston (average of $178). Flying from Sioux City to Boston in March is currently the most expensive (average of $369). 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.

Reviews of airlines servicing Boston

Peruse reviews from past customers who have flown with United Airlines from Sioux City to Boston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,994 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

United Airlines

7.4

Good

8,994 reviews

United Airlines

7.4

Good

8,994 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

How long is the flight from Sioux City to Boston?
Airlines like United Airlines fly from Sioux City to Boston in about 9h 57m. The time it takes to get you to your destination can typically vary by up to . Sioux City and Boston are separated by a distance of 1289 mi.
What is the cheapest airline to fly from Sioux City to Boston round-trip?
United Airlines, at $253, was found to be the cheapest airline from Sioux City to Boston..
Can I find deals for flights from Sioux City to Boston that include hotel bookings?
Yes. In addition to deals on Sioux City to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sioux City to Boston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux City to Boston.
Can I find deals for business class flights from Sioux City to Boston?
Yes. Cheapflights offers flight deals from Sioux City to Boston 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 Sioux City to Boston?
Currently, October is the cheapest month in which you can book a flight from Sioux City to Boston (average of $178). Flying from Sioux City to Boston in March is currently the most expensive (average of $369). 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 Sioux City to Boston

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$253	Average$552	FlexibilityNo cancel fee	On-time69%

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$344+ Cheap flights from Sioux City to Boston (SUX - BOS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sioux City to Boston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sioux City to Boston

Most accurate provider

Most trusted provider

Round-trip from

Find flight deals from Sioux City to Boston

Cheapest flights from Sioux City to BostonExplore the most affordable flight options available from Sioux City to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2025.

Explore the most affordable flight options available from Sioux City to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux City to Boston that are best for you.

Compare providers for flights from Sioux City to Boston

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 Sioux City to Boston in October.

Best time to book a flight from Sioux City to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Sioux City with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Sioux City to Boston

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

Reviews of airlines servicing Boston

Peruse reviews from past customers who have flown with United Airlines from Sioux City to Boston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from Sioux City to Boston?

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

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

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

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

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

Traveling to a place near Boston?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sioux City to Boston

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Sioux City to Boston

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Sioux City to Boston
Explore the most affordable flight options available from Sioux City to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2025.