$214+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
CIU — BOS
Oct 29 — Nov 51
Round-trip
1 adult, Economy
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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
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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 Sault Ste. Marie to Boston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Sault Ste. Marie to BostonExplore 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 September 29, 2026.
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 September 29, 2026.
This Delta deal was found by Cheapflights users on 9/26. 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 10/204:03 pm -
2 stops9h 17m
Thu 10/227:27 am -
1 stop8h 01m
Deal found 9/26![Delta logo]()
$658
This Delta deal was found by Cheapflights users on 9/25. 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.
Sun 9/277:10 am -
1 stop6h 50m
Wed 9/307:05 am -
1 stop8h 31m
Deal found 9/25![Delta logo]()
$870
Best flights from Sault Ste. Marie to BostonDiscover carefully curated flight deals from Sault Ste. Marie to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 29, 2026.
Discover carefully curated flight deals from Sault Ste. Marie to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 29, 2026.
This Delta deal was found by Cheapflights users on 9/26. 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 10/204:03 pm -
2 stops9h 17m
Thu 10/227:27 am -
1 stop8h 01m
Deal found 9/26![Delta logo]()
$658
Last-minute flights from Sault Ste. Marie to BostonDiscover last-minute flight deals from Sault Ste. Marie to Boston. Data last updated September 29, 2026 and is based on user searches.
Discover last-minute flight deals from Sault Ste. Marie to Boston. Data last updated September 29, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/26. 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 10/204:03 pm -
2 stops9h 17m
Thu 10/227:27 am -
1 stop8h 01m
Deal found 9/26![Delta logo]()
$658
One-way flights from Sault Ste. Marie to BostonSearch for one-way flight options from Sault Ste. Marie to Boston. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.
Search for one-way flight options from Sault Ste. Marie to Boston. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.
This Delta deal was found by Cheapflights users on 9/27. 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.
Mon 10/264:03 pm -
2 stops9h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Delta logo]()
$214
This Delta deal was found by Cheapflights users on 9/25. 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.
Mon 11/97:06 am -
1 stop6h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Delta logo]()
$394
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 September 29, 2026.
Round-trip from | $658 (Delta) |
|---|---|
One-way from | $214 (Delta) |
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 7,457,451 searches. Data last updated September 29, 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
Cheapest round-trip
Quickest round-trip
Sault Ste. MarieBoston
CIU Sault Ste. Marie Chippewa County - BOS Boston Logan Intl
CIUBOS
Sault Ste. Marie Chippewa County
Mon 11/9
4:15 pm-1:08 am
2 stops8h 53m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$214
Sault Ste. MarieBoston
CIU Sault Ste. Marie Chippewa County - BOS Boston Logan Intl
CIUBOS
Sault Ste. Marie Chippewa County
Mon 10/26
4:03 pm-1:20 am
2 stops9h 17m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$214
Sault Ste. MarieBoston
CIU Sault Ste. Marie Chippewa County - BOS Boston Logan Intl
CIUBOS
Sault Ste. Marie Chippewa County
Tue 10/20
4:03 pm-1:20 am
2 stops9h 17m
Boston Logan Intl
Thu 10/22
7:27 am-3:28 pm
1 stop8h 01m
$658
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.
CIU-BOS
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.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
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