What are the cheapest airlines flying from Boston to Sault Ste. Marie round-trip?

United Airlines, at $404, was found to be the cheapest airline from Boston to Sault Ste. Marie. An alternate airline flying to your destination would be Delta.

What is the cheapest day to fly from Boston to Sault Ste. Marie?

Travelers seeking maximum savings on their Boston to Sault Ste. Marie flight should consider departing on Friday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Boston to Sault Ste. Marie?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 20% when planning your travel around this day of the week.

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

It’s typically best to fly out from Boston to Sault Ste. Marie in the morning. Doing so could potentially save you 14% on the flight price compared to flying at noon, which is usually more expensive.

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

Most trusted provider : When it comes to deals on Boston-Sault Ste. Marie 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 Boston-Sault Ste. Marie 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 Boston to Sault Ste. Marie that include hotel bookings?

Yes. In addition to deals on Boston to Sault Ste. Marie flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Boston to Sault Ste. Marie?

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

Can I find deals for business class flights from Boston to Sault Ste. Marie?

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

$349+ Flights from Boston to Sault Ste. Marie

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1. Tell us where you want to go

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Cheap flight deals from Boston to Sault Ste. Marie

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$404 (United Airlines)
One-way from	$349 (Delta)

Provider with most accurate pricing for Boston Logan Intl-Sault Ste. Marie Chippewa County flight deals.

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Provider most trusted by Cheapflights users for Boston Logan Intl-Sault Ste. Marie Chippewa County flights.

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From Boston Logan Intl to Sault Ste. Marie Chippewa County

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One-way flight from Boston Logan Intl to Sault Ste. Marie Chippewa County

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Find flight deals from Boston to Sault Ste. Marie

Cheapest flights from Boston to Sault Ste. Marie
Explore the most affordable flight options available from Boston to Sault Ste. Marie. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Sat 8/236:00 amBOS - CIU

1 stop8h 58mUnited Airlines

Mon 8/253:55 pmCIU - BOS

1 stop18h 01mUnited Airlines

Deal found 4/14

$404

Fri 5/305:45 amBOS - CIU

1 stop6h 55mDelta

Sun 6/81:40 pmCIU - BOS

1 stop6h 03mDelta

Deal found 4/15

$568

Best flights from Boston to Sault Ste. Marie
Discover carefully curated flight deals from Boston to Sault Ste. Marie that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 15, 2025.

Sat 8/236:00 amBOS - CIU

1 stop8h 58mUnited Airlines

Mon 8/253:55 pmCIU - BOS

1 stop18h 01mUnited Airlines

Deal found 4/14

$404

Fri 5/305:45 amBOS - CIU

1 stop6h 55mDelta

Sun 6/81:40 pmCIU - BOS

1 stop6h 03mDelta

Deal found 4/15

$568

Last-minute flights from Boston to Sault Ste. Marie
Discover last-minute flight deals from Boston to Sault Ste. Marie. Data last updated April 15, 2025 and is based on user searches.

Fri 5/3010:30 amBOS - CIU

3 stops28h 34mUnited Airlines

Sun 6/83:40 pmCIU - BOS

1 stop7h 41mUnited Airlines

Deal found 4/15

$556

Fri 5/305:45 amBOS - CIU

1 stop6h 55mDelta

Sun 6/81:40 pmCIU - BOS

1 stop6h 03mDelta

Deal found 4/15

$568

One-way flights from Boston to Sault Ste. Marie
Search for one-way flight options from Boston to Sault Ste. Marie. Find affordable one-way fares based on user searches. Data last updated April 15, 2025.

Thu 5/15:45 amBOS - CIU

1 stop6h 58mDelta

Deal found 4/15

$349

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Sault Ste. Marie that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSault Ste. Marie

BOS - CIU

BOSCIU

Boston Logan Intl

Sat 8/23

6:00 am-2:58 pm

1 stop8h 58m

Sault Ste. Marie Chippewa County

Mon 8/25

3:55 pm-9:56 am

1 stop18h 01m

$404

BostonSault Ste. Marie

BOS - CIU

BOSCIU

Boston Logan Intl

Fri 5/30

5:45 am-12:40 pm

1 stop6h 55m

Sault Ste. Marie Chippewa County

Sun 6/8

1:40 pm-7:43 pm

1 stop6h 03m

$568

BostonSault Ste. Marie

BOS - CIU

BOSCIU

Boston Logan Intl

Thu 5/1

5:45 am-12:43 pm

1 stop6h 58m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Compare providers for flights from Boston to Sault Ste. Marie

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Sault Ste. Marie in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 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 Boston-Sault Ste. Marie flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Sault Ste. Marie flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Sault Ste. Marie flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Boston-Sault Ste. Marie 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 Boston-Sault Ste. Marie 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 Sault Ste. Marie

Have a flexible travel schedule? Discover the best time to fly to Sault Ste. Marie 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.

Reviews of airlines servicing Sault Ste. Marie

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

6.0

Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

Delta

8.0

Very good

7,917 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

6.0

Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

United Airlines

7.4

Good

8,658 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

6.0

Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

Related info for your journey

What are the cheapest airlines flying from Boston to Sault Ste. Marie round-trip?
United Airlines, at $404, was found to be the cheapest airline from Boston to Sault Ste. Marie. An alternate airline flying to your destination would be Delta.
Can I find deals for flights from Boston to Sault Ste. Marie that include hotel bookings?
Yes. In addition to deals on Boston to Sault Ste. Marie flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boston to Sault Ste. Marie?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Sault Ste. Marie.
Can I find deals for business class flights from Boston to Sault Ste. Marie?
Yes. Cheapflights offers flight deals from Boston to Sault Ste. Marie by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Boston to Sault Ste. Marie

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$409	Average$663	FlexibilityNo cancel fee	On-timeN/A

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$349+ Cheap flights from Boston to Sault Ste. Marie (BOS - CIU)

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Sault Ste. Marie with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Boston to Sault Ste. Marie

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Find flight deals from Boston to Sault Ste. Marie

Cheapest flights from Boston to Sault Ste. MarieExplore the most affordable flight options available from Boston to Sault Ste. Marie. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Explore the most affordable flight options available from Boston to Sault Ste. Marie. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Sault Ste. Marie that are best for you.

Compare providers for flights from Boston to Sault Ste. Marie

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 Sault Ste. Marie in April.

Best time to book a flight from Boston to Sault Ste. Marie

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

Reviews of airlines servicing Sault Ste. Marie

Related info for your journey

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

What are the cheapest airlines flying from Boston to Sault Ste. Marie round-trip?

Can I find deals for flights from Boston to Sault Ste. Marie that include hotel bookings?

How can I find direct flights from Boston to Sault Ste. Marie?

Can I find deals for business class flights from Boston to Sault Ste. Marie?

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 Boston to Sault Ste. Marie

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

Top airline flying from Boston to Sault Ste. Marie

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Book with Flexibility

Travel Smart

Cheapest flights from Boston to Sault Ste. Marie
Explore the most affordable flight options available from Boston to Sault Ste. Marie. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.