$343+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CIU
Mar 6 — Mar 131
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
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 February 4, 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 February 4, 2026.
This Delta deal was found by Cheapflights users on 2/2. 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 7/226:15 am
SFO
- CIU
1 stop6h 00m
Delta
Tue 7/283:55 pm
CIU
- SFO
1 stop9h 39m
Delta
Deal found 2/2![Delta logo]()
$522
This Delta deal was found by Cheapflights users on 2/2. 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 7/246:28 pm
SFO
- CIU
1 stop17h 47m
Delta
Thu 7/307:01 am
CIU
- SFO
1 stop19h 44m
Delta
Deal found 2/2![Delta logo]()
$536
This Delta deal was found by Cheapflights users on 2/2. 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 7/237:00 am
SFO
- CIU
2 stops9h 12m
Delta
Wed 7/293:55 pm
CIU
- SFO
2 stops10h 50m
Delta
Deal found 2/2![Delta logo]()
$537
This Delta deal was found by Cheapflights users on 2/2. 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 7/226:15 am
SFO
- CIU
1 stop6h 00m
Delta
Sat 8/13:55 pm
CIU
- SFO
2 stops10h 51m
Delta
Deal found 2/2![Delta logo]()
$542
This Delta deal was found by Cheapflights users on 2/2. 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 7/237:00 am
SFO
- CIU
2 stops9h 12m
Delta
Fri 7/313:55 pm
CIU
- SFO
2 stops10h 50m
Delta
Deal found 2/2![Delta logo]()
$547
This Delta deal was found by Cheapflights users on 2/2. 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 7/246:28 pm
SFO
- CIU
1 stop17h 47m
Delta
Tue 7/283:55 pm
CIU
- SFO
1 stop9h 39m
Delta
Deal found 2/2![Delta logo]()
$554
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 February 4, 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 February 4, 2026.
This Delta deal was found by Cheapflights users on 2/2. 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 7/226:15 am
SFO
- CIU
1 stop6h 00m
Delta
Wed 7/293:55 pm
CIU
- SFO
2 stops10h 50m
Delta
Deal found 2/2![Delta logo]()
$532
This Delta deal was found by Cheapflights users on 2/2. 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 7/237:00 am
SFO
- CIU
2 stops9h 12m
Delta
Tue 7/283:55 pm
CIU
- SFO
1 stop9h 39m
Delta
Deal found 2/2![Delta logo]()
$532
This Delta deal was found by Cheapflights users on 2/2. 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 7/226:15 am
SFO
- CIU
1 stop6h 00m
Delta
Thu 7/303:55 pm
CIU
- SFO
1 stop7h 27m
Delta
Deal found 2/2![Delta logo]()
$532
This Delta deal was found by Cheapflights users on 2/2. 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 7/226:15 am
SFO
- CIU
1 stop6h 00m
Delta
Fri 7/313:55 pm
CIU
- SFO
1 stop7h 27m
Delta
Deal found 2/2![Delta logo]()
$532
This Delta deal was found by Cheapflights users on 2/2. 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 7/246:28 pm
SFO
- CIU
1 stop17h 47m
Delta
Fri 7/317:01 am
CIU
- SFO
1 stop19h 44m
Delta
Deal found 2/2![Delta logo]()
$536
This Delta deal was found by Cheapflights users on 2/2. 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 7/246:28 pm
SFO
- CIU
1 stop17h 47m
Delta
Thu 7/307:01 am
CIU
- SFO
1 stop19h 44m
Delta
Deal found 2/2![Delta logo]()
$536
This Delta deal was found by Cheapflights users on 2/2. 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 7/246:28 pm
SFO
- CIU
1 stop17h 47m
Delta
Wed 7/297:01 am
CIU
- SFO
1 stop19h 44m
Delta
Deal found 2/2![Delta logo]()
$536
This Delta deal was found by Cheapflights users on 2/2. 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 7/237:00 am
SFO
- CIU
2 stops9h 12m
Delta
Wed 7/293:55 pm
CIU
- SFO
2 stops10h 50m
Delta
Deal found 2/2![Delta logo]()
$537
This Delta deal was found by Cheapflights users on 2/2. 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 7/237:00 am
SFO
- CIU
2 stops9h 12m
Delta
Thu 7/303:55 pm
CIU
- SFO
1 stop7h 27m
Delta
Deal found 2/2![Delta logo]()
$542
This Delta deal was found by Cheapflights users on 2/2. 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 7/237:00 am
SFO
- CIU
2 stops9h 12m
Delta
Fri 7/313:55 pm
CIU
- SFO
1 stop7h 27m
Delta
Deal found 2/2![Delta logo]()
$542
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 February 4, 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 February 4, 2026.
This United Airlines deal was found by Cheapflights users on 2/3. 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 7/295:05 am
SFO
- CIU
1 stop6h 59m
United Airlines
Deal found 2/3![United Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 2/3. 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 7/265:05 am
SFO
- CIU
1 stop6h 59m
United Airlines
Deal found 2/3![United Airlines logo]()
$393
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 7/285:15 pm
SFO
- CIU
1 stop18h 49m
United Airlines
Deal found 2/3![United Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Fri 7/3111:30 pm
SFO
- CIU
1 stop12h 34m
United Airlines
Deal found 2/3![United Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 2/3. 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 7/2810:45 pm
SFO
- CIU
2 stops17h 27m
Delta
Deal found 2/3![Delta logo]()
$407
This United Airlines deal was found by Cheapflights users on 2/3. 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 8/16:48 pm
SFO
- CIU
2 stops17h 16m
United Airlines
Deal found 2/3![United Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 2/3. 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 7/296:05 am
SFO
- CIU
2 stops10h 07m
Delta
Deal found 2/3![Delta logo]()
$438
This Delta deal was found by Cheapflights users on 2/3. 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 7/274:00 pm
SFO
- CIU
2 stops20h 15m
Delta
Deal found 2/3![Delta logo]()
$466
This Delta deal was found by Cheapflights users on 2/3. 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 7/265:00 pm
SFO
- CIU
2 stops19h 15m
Delta
Deal found 2/3![Delta logo]()
$471
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 February 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $522 (Delta) |
One-way from | $343 (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 February 4, 2026.
Use the filters below to find and compare flights from San Francisco to Sault Ste. Marie that are best for you.
Fly from
San Francisco
Fly to
Sault Ste. Marie
Route
Depart
Return
Price
San FranciscoSault Ste. Marie
SFO - CIU
SFOCIU
San Francisco
Wed 7/22
6:15 am-3:15 pm
1 stop6h 00m
Sault Ste. Marie Chippewa County
Wed 7/29
3:55 pm-11:45 pm
2 stops10h 50m
$532
San FranciscoSault Ste. Marie
SFO - CIU
SFOCIU
San Francisco
Thu 7/23
7:00 am-7:12 pm
2 stops9h 12m
Sault Ste. Marie Chippewa County
Tue 7/28
3:55 pm-10:34 pm
1 stop9h 39m
$532
San FranciscoSault Ste. Marie
SFO - CIU
SFOCIU
San Francisco
Wed 7/22
6:15 am-3:15 pm
1 stop6h 00m
Sault Ste. Marie Chippewa County
Thu 7/30
3:55 pm-8:22 pm
1 stop7h 27m
$532
San FranciscoSault Ste. Marie
SFO - CIU
SFOCIU
San Francisco
Wed 7/22
6:15 am-3:15 pm
1 stop6h 00m
Sault Ste. Marie Chippewa County
Fri 7/31
3:55 pm-8:22 pm
1 stop7h 27m
$532
San FranciscoSault Ste. Marie
SFO - CIU
SFOCIU
San Francisco
Fri 7/24
6:28 pm-3:15 pm
1 stop17h 47m
Sault Ste. Marie Chippewa County
Fri 7/31
7:01 am-11:45 pm
1 stop19h 44m
$536
San FranciscoSault Ste. Marie
SFO - CIU
SFOCIU
San Francisco
Fri 7/24
6:28 pm-3:15 pm
1 stop17h 47m
Sault Ste. Marie Chippewa County
Thu 7/30
7:01 am-11:45 pm
1 stop19h 44m
$536
San FranciscoSault Ste. Marie
SFO - CIU
SFOCIU
San Francisco
Fri 7/24
6:28 pm-3:15 pm
1 stop17h 47m
Sault Ste. Marie Chippewa County
Wed 7/29
7:01 am-11:45 pm
1 stop19h 44m
$536
San FranciscoSault Ste. Marie
SFO - CIU
SFOCIU
San Francisco
Thu 7/23
7:00 am-7:12 pm
2 stops9h 12m
Sault Ste. Marie Chippewa County
Wed 7/29
3:55 pm-11:45 pm
2 stops10h 50m
$537
San FranciscoSault Ste. Marie
SFO - CIU
SFOCIU
San Francisco
Thu 7/23
7:00 am-7:12 pm
2 stops9h 12m
Sault Ste. Marie Chippewa County
Thu 7/30
3:55 pm-8:22 pm
1 stop7h 27m
$542
San FranciscoSault Ste. Marie
SFO - CIU
SFOCIU
San Francisco
Thu 7/23
7:00 am-7:12 pm
2 stops9h 12m
Sault Ste. Marie Chippewa County
Fri 7/31
3:55 pm-8:22 pm
1 stop7h 27m
$542
Showing 1-10 of 21 results
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 February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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 February 4, 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
7.9
Overall
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Boarding
8.1
Comfort
7.9
Overall
7.9
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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Complete your trip
Complete your trip to Sault Ste. Marie by adding a car rental and/or hotel reservation to your travel itinerary.
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San Francisco and Sault Ste. Marie flights
Browse other San Francisco and Sault Ste. Marie flight options. Last updated on February 4, 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 February 4, 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 February 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$293 | Average$513 | FlexibilityNo cancel fee | On-timeN/A |