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$318+ Cheap flights from Sault Ste. Marie to Boston (CIU - 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
CIU — BOS
Aug 19 — Aug 261
Wed 8/19
Wed 8/26
1 adult, Economy
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Cheap flight deals from Sault Ste. Marie to Boston

Cheapest flights from Sault Ste. Marie to Boston
Explore the most affordable flight options available from Sault Ste. Marie to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.

This Delta deal was found by Cheapflights users on 7/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:04 pm
CIU
-
BOS
2 stops9h 21m
Delta
Fri 8/141:10 pm
BOS
-
CIU
1 stop6h 23m
Delta
Deal found 7/18$318
This Delta deal was found by Cheapflights users on 7/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/74:04 pm
CIU
-
BOS
2 stops9h 21m
Delta
Thu 8/1311:40 am
BOS
-
CIU
2 stops7h 53m
Delta
Deal found 7/20$324
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/74:04 pm
CIU
-
BOS
2 stops9h 21m
Delta
Fri 8/141:10 pm
BOS
-
CIU
1 stop6h 23m
Delta
Deal found 7/19$334
This United Airlines deal was found by Cheapflights users on 7/18. 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.
Thu 8/63:12 pm
CIU
-
BOS
1 stop8h 09m
United Airlines
Sat 8/157:05 am
BOS
-
CIU
1 stop7h 38m
United Airlines
Deal found 7/18$388
This United Airlines deal was found by Cheapflights users on 7/18. 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.
Wed 8/53:12 pm
CIU
-
BOS
1 stop8h 09m
United Airlines
Sat 8/157:05 am
BOS
-
CIU
1 stop7h 38m
United Airlines
Deal found 7/18$419
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/74:04 pm
CIU
-
BOS
2 stops9h 21m
Delta
Sat 8/157:55 am
BOS
-
CIU
2 stops11h 38m
Delta
Deal found 7/19$429
This Delta deal was found by Cheapflights users on 7/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/54:04 pm
CIU
-
BOS
2 stops6h 39m
Delta
Fri 8/141:10 pm
BOS
-
CIU
1 stop6h 23m
Delta
Deal found 7/18$439
This United Airlines deal was found by Cheapflights users on 7/18. 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.
Thu 8/63:12 pm
CIU
-
BOS
1 stop6h 44m
United Airlines
Fri 8/145:01 pm
BOS
-
CIU
1 stop21h 42m
United Airlines
Deal found 7/18$462

Find flight deals from Sault Ste. Marie to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Sault Ste. Marie (CIU) to Boston (BOS). 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 July 20, 2026.

Round-trip from

$318
(Delta)
From Sault Ste. Marie Chippewa County to Boston Logan Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sault Ste. Marie to Boston 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 July 20, 2026.
Use the filters below to find and compare flights from Sault Ste. Marie to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sault Ste. MarieBoston

CIU - BOS

CIUBOS

Sault Ste. Marie Chippewa County

Wed 8/5

3:12 pm-11:21 pm

1 stop8h 09m

Boston Logan Intl

Sat 8/15

7:05 am-2:43 pm

1 stop7h 38m

$419

Sault Ste. MarieBoston

CIU - BOS

CIUBOS

Sault Ste. Marie Chippewa County

Thu 8/6

3:12 pm-11:21 pm

1 stop8h 09m

Boston Logan Intl

Sat 8/15

6:00 am-2:43 pm

2 stops8h 43m

$443

Sault Ste. MarieBoston

CIU - BOS

CIUBOS

Sault Ste. Marie Chippewa County

Thu 8/6

3:12 pm-11:21 pm

1 stop8h 09m

Boston Logan Intl

Fri 8/14

7:00 pm-2:43 pm

2 stops19h 43m

$472

Sault Ste. MarieBoston

CIU - BOS

CIUBOS

Sault Ste. Marie Chippewa County

Sun 9/27

4:12 pm-11:10 pm

2 stops6h 58m

Boston Logan Intl

Wed 9/30

9:05 am-7:35 pm

2 stops10h 30m

$658
Quickest round-trip

Sault Ste. MarieBoston

CIU - BOS

CIUBOS

Sault Ste. Marie Chippewa County

Sat 8/8

7:10 am-2:02 pm

1 stop6h 52m

Boston Logan Intl

Fri 8/14

1:10 pm-7:33 pm

1 stop6h 23m

$749

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/18

Sorted by cheapest first

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

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

Related info for your journey

Find useful and relevant information for your journey from Sault Ste. Marie 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 Sault Ste. Marie to Boston?

    A quick flight from Sault Ste. Marie to Boston can take about 6h 58m. United Airlines provides one of the quickest options available for as low as $658. There are 716 mi between Sault Ste. Marie and Boston. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sault Ste. Marie 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.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Waltham
Cambridge
Concord
Randolph
Brockton
Seekonk
Hampton Beach
Cranston
Dedham
Warwick
Peabody
Auburn
York Beach
Chelsea
Londonderry
Swansea
Fitchburg
North Falmouth
Braintree
Sandwich

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