$455+ Cheap flights from Waterloo, IA to San Francisco (ALO - SFO)
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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — SFO
Dec 1 — Dec 81
Round-trip
1 adult, Economy
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Find cheap flights from Waterloo to San Francisco 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 Waterloo to San Francisco
Cheapest
Best
Last-minute
Cheapest flights from Waterloo to San FranciscoExplore the most affordable flight options available from Waterloo to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 1, 2026.
Explore the most affordable flight options available from Waterloo to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 1, 2026.
This American Airlines deal was found by Cheapflights users on 10/29. 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 12/43:44 pm -
1 stop21h 53m
Mon 12/77:40 am -
1 stop14h 34m
Deal found 10/29![American Airlines logo]()
$455
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:04 am -
1 stop8h 37m
Sun 11/156:01 am -
1 stop7h 12m
Deal found 10/27![American Airlines logo]()
$550
Best flights from Waterloo to San FranciscoDiscover carefully curated flight deals from Waterloo to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 1, 2026.
Discover carefully curated flight deals from Waterloo to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 1, 2026.
This American Airlines deal was found by Cheapflights users on 10/29. 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 12/43:44 pm -
1 stop21h 53m
Mon 12/77:40 am -
1 stop14h 34m
Deal found 10/29![American Airlines logo]()
$455
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:04 am -
1 stop8h 37m
Sun 11/156:01 am -
1 stop7h 12m
Deal found 10/27![American Airlines logo]()
$550
This American Airlines deal was found by Cheapflights users on 10/29. 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 11/133:43 pm -
1 stop10h 12m
Tue 11/178:55 am -
2 stops12h 43m
Deal found 10/29![American Airlines logo]()
$632
Last-minute flights from Waterloo to San FranciscoDiscover last-minute flight deals from Waterloo to San Francisco. Data last updated November 1, 2026 and is based on user searches.
Discover last-minute flight deals from Waterloo to San Francisco. Data last updated November 1, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:04 am -
1 stop8h 37m
Sun 11/156:01 am -
1 stop7h 12m
Deal found 10/27![American Airlines logo]()
$550
Find flight deals from Waterloo to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Waterloo (ALO) to San Francisco (SFO). 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 November 1, 2026.
Round-trip from | $455 (American Airlines) |
|---|
Cheapflights Fare Finder
Customize your flight search to find flights from Waterloo to San Francisco 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 November 1, 2026.
Use the filters below to find and compare flights from Waterloo to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
WaterlooSan Francisco
ALO Waterloo - SFO San Francisco
ALOSFO
Waterloo
Fri 12/4
3:44 pm-11:37 am
1 stop21h 53m
San Francisco
Mon 12/7
7:40 am-12:14 am
1 stop14h 34m
$455
Quickest round-trip
WaterlooSan Francisco
ALO Waterloo - SFO San Francisco
ALOSFO
Waterloo
Wed 11/11
6:04 am-12:41 pm
1 stop8h 37m
San Francisco
Sun 11/15
6:01 am-3:13 pm
1 stop7h 12m
$550
WaterlooSan Francisco
ALO Waterloo - SFO San Francisco
ALOSFO
Waterloo
Fri 11/13
3:43 pm-11:55 pm
1 stop10h 12m
San Francisco
Tue 11/17
8:55 am-11:38 pm
2 stops12h 43m
$632
Sorted by cheapest first
Best time to book a flight from Waterloo to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Waterloo with our price prediction graph.
ALO-SFO
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 Waterloo to San Francisco. 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 San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Walnut Creek
Hayward
Emeryville
Newark
Burlingame
Rancho Cordova
Vallejo
Cupertino
Fairfield
Redwood City
Manteca
San Bruno
San Carlos
San Ramon
Turlock
Davis
Morgan Hill
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