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

Delta, at $244, was found to be the cheapest airline from Boston to Sault Ste. Marie. An alternate airline flying to your destination would be United Airlines.

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.

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.

$244+ Flights from Boston to Sault Ste. Marie

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Cheap flight deals from Boston to Sault Ste. Marie

Round-trip from	$244 (Delta)

From Boston Logan Intl to Sault Ste. Marie Chippewa County

Search Deals

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 julio 29, 2025.

mié. 10/11:05 pmBOS - CIU

1 stop6h 08mDelta

sáb. 10/43:50 pmCIU - BOS

2 stops9h 28mDelta

Deal found 7/28

$244

jue. 8/148:20 pmBOS - CIU

1 stop18h 49mUnited Airlines

mar. 8/193:35 pmCIU - BOS

1 stop23h 05mUnited Airlines

Deal found 7/26

$442

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 julio 29, 2025.

mié. 10/11:05 pmBOS - CIU

1 stop6h 08mDelta

sáb. 10/43:50 pmCIU - BOS

2 stops9h 28mDelta

Deal found 7/28

$244

jue. 8/148:20 pmBOS - CIU

1 stop18h 49mUnited Airlines

mar. 8/193:35 pmCIU - BOS

1 stop23h 05mUnited Airlines

Deal found 7/26

$442

Last-minute flights from Boston to Sault Ste. Marie
Discover last-minute flight deals from Boston to Sault Ste. Marie. Data last updated julio 29, 2025 and is based on user searches.

vie. 8/85:15 amBOS - CIU

1 stop13h 55mDelta

sáb. 8/161:40 pmCIU - BOS

2 stops9h 19mDelta

Deal found 7/29

$605

vie. 8/86:05 amBOS - CIU

2 stops9h 04mUnited Airlines

lun. 8/183:50 pmCIU - BOS

2 stops8h 09mUnited Airlines

Deal found 7/28

$803

mar. 8/125:40 amBOS - CIU

1 stop7h 00mDelta

sáb. 8/161:40 pmCIU - BOS

2 stops9h 19mDelta

Deal found 7/28

$384

jue. 8/148:20 pmBOS - CIU

1 stop18h 49mUnited Airlines

mar. 8/193:35 pmCIU - BOS

1 stop23h 05mUnited Airlines

Deal found 7/26

$442

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

mié. 10/1

1:05 pm-7:13 pm

1 stop6h 08m

Sault Ste. Marie Chippewa County

sáb. 10/4

3:50 pm-1:18 am

2 stops9h 28m

$244

BostonSault Ste. Marie

BOS - CIU

BOSCIU

Boston Logan Intl

jue. 8/14

8:20 pm-3:09 pm

1 stop18h 49m

Sault Ste. Marie Chippewa County

mar. 8/19

3:35 pm-2:40 pm

1 stop23h 05m

$442

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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

See what other customers who have flown with Delta and United Airlines from Boston to Sault Ste. Marie have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,977 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

7,977 reviews

Delta

8.0

Very good

7,977 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

8,899 reviews

Delta

8.0

Very good

7,977 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?
Delta, at $244, was found to be the cheapest airline from Boston to Sault Ste. Marie. An alternate airline flying to your destination would be United Airlines.
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$638	FlexibilityNo cancel fee	On-timeN/A

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$244+ Cheap flights from Boston to Sault Ste. Marie (BOS - CIU)

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 10/1. 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

Round-trip 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 julio 29, 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 julio 29, 2025.

Cheapflights Fare Finder

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

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

See what other customers who have flown with Delta and United Airlines from Boston to Sault Ste. Marie have to say. You can also see how each airline compares 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 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 julio 29, 2025.