$518+ Cheap flights from San Francisco to Sault Ste. Marie (SFO - 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CIU
Jul 18 — Jul 251
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Sault Ste. Marie with Cheapflights
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 San Francisco to Sault Ste. Marie
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco to Sault Ste. MarieExplore the most affordable flight options available from San Francisco to Sault Ste. Marie. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2026.
Explore the most affordable flight options available from San Francisco to Sault Ste. Marie. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2026.
This Delta deal was found by Cheapflights users on 6/16. 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 7/311:59 pm
SFO
- CIU
2 stops12h 39m
Delta
Tue 7/144:13 pm
CIU
- SFO
1 stop9h 22m
Delta
Deal found 6/16![Delta logo]()
$994
This Delta deal was found by Cheapflights users on 6/17. 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 6/2810:55 pm
SFO
- CIU
1 stop17h 45m
Delta
Mon 7/137:10 am
CIU
- SFO
1 stop19h 36m
Delta
Deal found 6/17![Delta logo]()
$1,028
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Sat 6/274:21 pm
SFO
- CIU
1 stop19h 22m
United Airlines
Sun 7/53:12 pm
CIU
- SFO
2 stops20h 40m
United Airlines
Deal found 6/16![United Airlines logo]()
$1,067
This Delta deal was found by Cheapflights users on 6/17. 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 6/2810:55 pm
SFO
- CIU
1 stop17h 45m
Delta
Tue 7/144:13 pm
CIU
- SFO
1 stop9h 22m
Delta
Deal found 6/17![Delta logo]()
$1,096
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Sun 7/266:34 pm
SFO
- CIU
1 stop17h 03m
United Airlines
Thu 7/303:12 pm
CIU
- SFO
1 stop22h 07m
United Airlines
Deal found 6/18![United Airlines logo]()
$1,186
Best flights from San Francisco to Sault Ste. MarieDiscover carefully curated flight deals from San Francisco to Sault Ste. Marie that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 18, 2026.
Discover carefully curated flight deals from San Francisco to Sault Ste. Marie that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 18, 2026.
This Delta deal was found by Cheapflights users on 6/16. 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 7/311:59 pm
SFO
- CIU
2 stops12h 39m
Delta
Tue 7/144:13 pm
CIU
- SFO
1 stop9h 22m
Delta
Deal found 6/16![Delta logo]()
$994
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Sun 7/266:34 pm
SFO
- CIU
1 stop17h 03m
United Airlines
Thu 7/303:12 pm
CIU
- SFO
1 stop22h 07m
United Airlines
Deal found 6/18![United Airlines logo]()
$1,186
This Delta deal was found by Cheapflights users on 6/17. 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 6/2810:55 pm
SFO
- CIU
1 stop17h 45m
Delta
Wed 7/154:13 pm
CIU
- SFO
1 stop9h 22m
Delta
Deal found 6/17![Delta logo]()
$1,096
This Delta deal was found by Cheapflights users on 6/17. 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 6/286:00 am
SFO
- CIU
2 stops10h 40m
Delta
Tue 7/144:13 pm
CIU
- SFO
2 stops10h 06m
Delta
Deal found 6/17![Delta logo]()
$1,169
This Delta deal was found by Cheapflights users on 6/15. 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 7/15:55 am
SFO
- CIU
2 stops10h 45m
Delta
Fri 7/107:10 am
CIU
- SFO
2 stops9h 16m
Delta
Deal found 6/15![Delta logo]()
$1,249
This Delta deal was found by Cheapflights users on 6/15. 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 7/267:00 am
SFO
- CIU
2 stops9h 32m
Delta
Thu 7/307:10 am
CIU
- SFO
2 stops11h 34m
Delta
Deal found 6/15![Delta logo]()
$1,473
This Delta deal was found by Cheapflights users on 6/16. 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.
Thu 7/26:00 am
SFO
- CIU
1 stop6h 38m
Delta
Tue 7/144:13 pm
CIU
- SFO
1 stop9h 22m
Delta
Deal found 6/16![Delta logo]()
$1,654
Last-minute flights from San Francisco to Sault Ste. MarieDiscover last-minute flight deals from San Francisco to Sault Ste. Marie. Data last updated June 18, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Sault Ste. Marie. Data last updated June 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Sat 6/274:21 pm
SFO
- CIU
1 stop19h 22m
United Airlines
Sun 7/53:12 pm
CIU
- SFO
2 stops20h 40m
United Airlines
Deal found 6/16![United Airlines logo]()
$1,067
This Delta deal was found by Cheapflights users on 6/17. 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 6/2810:55 pm
SFO
- CIU
1 stop17h 45m
Delta
Mon 7/137:10 am
CIU
- SFO
1 stop19h 36m
Delta
Deal found 6/17![Delta logo]()
$1,028
This Delta deal was found by Cheapflights users on 6/17. 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 6/2810:55 pm
SFO
- CIU
1 stop17h 45m
Delta
Wed 7/154:13 pm
CIU
- SFO
1 stop9h 22m
Delta
Deal found 6/17![Delta logo]()
$1,096
This Delta deal was found by Cheapflights users on 6/17. 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 6/286:00 am
SFO
- CIU
2 stops10h 40m
Delta
Tue 7/144:13 pm
CIU
- SFO
1 stop9h 22m
Delta
Deal found 6/17![Delta logo]()
$1,164
This Delta deal was found by Cheapflights users on 6/16. 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 7/311:59 pm
SFO
- CIU
2 stops12h 39m
Delta
Tue 7/144:13 pm
CIU
- SFO
1 stop9h 22m
Delta
Deal found 6/16![Delta logo]()
$994
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Sun 7/266:34 pm
SFO
- CIU
1 stop17h 03m
United Airlines
Thu 7/303:12 pm
CIU
- SFO
1 stop22h 07m
United Airlines
Deal found 6/18![United Airlines logo]()
$1,186
One-way flights from San Francisco to Sault Ste. MarieSearch for one-way flight options from San Francisco to Sault Ste. Marie. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
Search for one-way flight options from San Francisco to Sault Ste. Marie. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
This Delta deal was found by Cheapflights users on 6/18. 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.
Fri 9/186:00 am
SFO
- CIU
2 stops10h 32m
Delta
Deal found 6/18![Delta logo]()
$518
Find flight deals from San Francisco to Sault Ste. Marie
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Sault Ste. Marie (CIU). 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 June 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $559 (Delta) |
One-way from | $410 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Sault Ste. Marie 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 June 18, 2026.
Use the filters below to find and compare flights from San Francisco to Sault Ste. Marie that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoSault Ste. Marie
SFO - CIU
SFOCIU
San Francisco
Fri 7/3
11:59 pm-3:38 pm
2 stops12h 39m
Sault Ste. Marie Chippewa County
Tue 7/14
4:13 pm-10:35 pm
1 stop9h 22m
$994
San FranciscoSault Ste. Marie
SFO - CIU
SFOCIU
San Francisco
Sun 6/28
10:55 pm-7:40 pm
1 stop17h 45m
Sault Ste. Marie Chippewa County
Wed 7/15
4:13 pm-10:35 pm
1 stop9h 22m
$1,096
San FranciscoSault Ste. Marie
SFO - CIU
SFOCIU
San Francisco
Sun 6/28
6:00 am-7:40 pm
2 stops10h 40m
Sault Ste. Marie Chippewa County
Tue 7/14
4:13 pm-11:19 pm
2 stops10h 06m
$1,169
San FranciscoSault Ste. Marie
SFO - CIU
SFOCIU
San Francisco
Sun 7/26
6:34 pm-2:37 pm
1 stop17h 03m
Sault Ste. Marie Chippewa County
Thu 7/30
3:12 pm-10:19 am
1 stop22h 07m
$1,186
San FranciscoSault Ste. Marie
SFO - CIU
SFOCIU
San Francisco
Wed 7/1
5:55 am-7:40 pm
2 stops10h 45m
Sault Ste. Marie Chippewa County
Fri 7/10
7:10 am-1:26 pm
2 stops9h 16m
$1,249
San FranciscoSault Ste. Marie
SFO - CIU
SFOCIU
San Francisco
Sun 7/26
7:00 am-7:32 pm
2 stops9h 32m
Sault Ste. Marie Chippewa County
Thu 7/30
7:10 am-3:44 pm
2 stops11h 34m
$1,473
Quickest round-trip
San FranciscoSault Ste. Marie
SFO - CIU
SFOCIU
San Francisco
Thu 7/2
6:00 am-3:38 pm
1 stop6h 38m
Sault Ste. Marie Chippewa County
Tue 7/14
4:13 pm-10:35 pm
1 stop9h 22m
$1,654
Cheapest one-way
Quickest one-way
San FranciscoSault Ste. Marie
SFO - CIU
SFOCIU
San Francisco
Fri 9/18
6:00 am-7:32 pm
2 stops10h 32m
$518
Sorted by cheapest first
Compare providers for flights from San Francisco 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 San Francisco to Sault Ste. Marie in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-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 San Francisco-Sault Ste. Marie flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Sault Ste. Marie flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Sault Ste. Marie flights, Cheapflights users trust FlightHub the most. FlightHub 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 San Francisco-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 San Francisco to Sault Ste. Marie
Have a flexible travel schedule? Discover the best time to fly to Sault Ste. Marie from San Francisco with our price prediction graph.
SFO-CIU
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
Get insights into the airlines that provide service to Sault Ste. Marie. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sault Ste. Marie. Reviews last updated June 18, 2026.
Get a feel of what it's like to fly with Delta from San Francisco to Sault Ste. Marie by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Overall
7.8
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Boarding
8.1
Comfort
7.8
Overall
7.8
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Related info for your journey
Find useful and relevant information for your journey from San Francisco 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.
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Alternative routes for San Francisco to Sault Ste. Marie
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Complete your trip
Complete your trip to Sault Ste. Marie by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Sault Ste. Marie by cabin class
Find flights from San Francisco to Sault Ste. Marie, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Sault Ste. Marie flights
Browse other San Francisco and Sault Ste. Marie flight options. Last updated on June 18, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on June 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from San Francisco to Sault Ste. Marie
Discover the top airline that operate flights from San Francisco to Sault Ste. Marie. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$393 | Average$611 | FlexibilityNo cancel fee | On-timeN/A |