$716+ Cheap flights from San Francisco to Waterloo, IA (SFO - ALO)
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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ALO
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Waterloo 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 Waterloo
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Best
Last-minute
Cheapest flights from San Francisco to WaterlooExplore the most affordable flight options available from San Francisco to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from San Francisco to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:04 pm -
1 stop6h 37m
Fri 11/273:44 pm -
1 stop10h 32m
Deal found 9/15![American Airlines logo]()
$716
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/203:04 pm -
1 stop6h 37m
Fri 11/273:44 pm -
1 stop10h 32m
Deal found 9/15![American Airlines logo]()
$720
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:18 pm -
1 stop7h 33m
Sun 10/116:07 am -
1 stop7h 18m
Deal found 9/14![American Airlines logo]()
$726
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:00 am -
1 stop15h 59m
Tue 10/66:07 am -
1 stop16h 04m
Deal found 9/12![American Airlines logo]()
$782
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:04 pm -
1 stop6h 37m
Sat 11/285:56 am -
1 stop8h 55m
Deal found 9/15![American Airlines logo]()
$911
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/203:04 pm -
1 stop6h 37m
Sat 11/285:56 am -
1 stop8h 55m
Deal found 9/15![American Airlines logo]()
$915
Best flights from San Francisco to WaterlooDiscover carefully curated flight deals from San Francisco to Waterloo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from San Francisco to Waterloo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:04 pm -
1 stop6h 37m
Fri 11/273:44 pm -
1 stop10h 32m
Deal found 9/15![American Airlines logo]()
$716
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/203:04 pm -
1 stop6h 37m
Fri 11/273:44 pm -
1 stop10h 32m
Deal found 9/15![American Airlines logo]()
$720
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:18 pm -
1 stop7h 33m
Sun 10/116:07 am -
1 stop7h 18m
Deal found 9/14![American Airlines logo]()
$726
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:00 am -
1 stop15h 59m
Tue 10/66:07 am -
1 stop16h 04m
Deal found 9/12![American Airlines logo]()
$782
Last-minute flights from San Francisco to WaterlooDiscover last-minute flight deals from San Francisco to Waterloo. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Waterloo. Data last updated September 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:18 pm -
1 stop7h 33m
Sun 10/116:07 am -
1 stop7h 18m
Deal found 9/14![American Airlines logo]()
$726
Find flight deals from San Francisco to Waterloo
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Waterloo (ALO). 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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $716 (American Airlines) |
One-way from | $413 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Waterloo 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 17, 2026.
Use the filters below to find and compare flights from San Francisco to Waterloo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoWaterloo
SFO San Francisco - ALO Waterloo
SFOALO
San Francisco
Sat 11/21
3:04 pm-11:41 pm
1 stop6h 37m
Waterloo
Fri 11/27
3:44 pm-12:16 am
1 stop10h 32m
$716
San FranciscoWaterloo
SFO San Francisco - ALO Waterloo
SFOALO
San Francisco
Fri 11/20
3:04 pm-11:41 pm
1 stop6h 37m
Waterloo
Fri 11/27
3:44 pm-12:16 am
1 stop10h 32m
$720
Quickest round-trip
San FranciscoWaterloo
SFO San Francisco - ALO Waterloo
SFOALO
San Francisco
Thu 10/8
2:18 pm-11:51 pm
1 stop7h 33m
Waterloo
Sun 10/11
6:07 am-11:25 am
1 stop7h 18m
$726
San FranciscoWaterloo
SFO San Francisco - ALO Waterloo
SFOALO
San Francisco
Sun 10/4
6:00 am-11:59 pm
1 stop15h 59m
Waterloo
Tue 10/6
6:07 am-8:11 pm
1 stop16h 04m
$782
Sorted by cheapest first
- Most accurate provider: When it comes to deals on San Francisco-Waterloo, Iowa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Waterloo, Iowa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Waterloo, Iowa flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Waterloo, Iowa 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-Waterloo, Iowa 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 Waterloo
Have a flexible travel schedule? Discover the best time to fly to Waterloo from San Francisco with our price prediction graph.
SFO-ALO
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 San Francisco to Waterloo. 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 Waterloo?
Book flights to Waterloo if you plan to visit one of these locationsCedar Falls
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