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$349+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — SFO
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Waterloo to San Francisco

Cheapest flights from Waterloo to San Francisco
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 January 28, 2026.

This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/13:10 pm
ALO
-
SFO
1 stop9h 22m
American Airlines
Thu 4/92:59 pm
SFO
-
ALO
1 stop6h 51m
American Airlines
Deal found 1/26$349
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/106:00 am
ALO
-
SFO
1 stop7h 36m
American Airlines
Sat 2/143:13 pm
SFO
-
ALO
1 stop6h 40m
American Airlines
Deal found 1/26$419
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/116:00 am
ALO
-
SFO
2 stops13h 24m
American Airlines
Sat 2/1412:25 am
SFO
-
ALO
2 stops12h 20m
American Airlines
Deal found 1/27$429
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Sun 3/153:10 pm
ALO
-
SFO
1 stop9h 22m
American Airlines
Mon 3/236:00 am
SFO
-
ALO
1 stop6h 40m
American Airlines
Deal found 1/27$639
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 3/133:10 pm
ALO
-
SFO
1 stop9h 22m
American Airlines
Mon 3/236:00 am
SFO
-
ALO
1 stop6h 40m
American Airlines
Deal found 1/27$657

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(American Airlines)
Provider with most accurate pricing for Waterloo-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Waterloo-San Francisco flights.
Search Deals
From Waterloo to San Francisco
Search Deals

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 2,558,603 searches. Data last updated January 28, 2026.
Use the filters below to find and compare flights from Waterloo to San Francisco that are best for you.

Fly from

Waterloo

Fly to

San Francisco

Route

Depart

Return

Price

WaterlooSan Francisco

ALO - SFO

ALOSFO

Waterloo

Wed 4/1

3:10 pm-10:32 pm

1 stop9h 22m

San Francisco

Thu 4/9

2:59 pm-11:50 pm

1 stop6h 51m

$349

WaterlooSan Francisco

ALO - SFO

ALOSFO

Waterloo

Tue 2/10

6:00 am-11:36 am

1 stop7h 36m

San Francisco

Sat 2/14

3:13 pm-11:53 pm

1 stop6h 40m

$419

WaterlooSan Francisco

ALO - SFO

ALOSFO

Waterloo

Wed 2/11

6:00 am-11:36 am

1 stop7h 36m

San Francisco

Sun 2/15

6:00 am-2:45 pm

1 stop6h 45m

$419

WaterlooSan Francisco

ALO - SFO

ALOSFO

Waterloo

Fri 3/13

3:10 pm-10:32 pm

1 stop9h 22m

San Francisco

Mon 3/23

6:00 am-2:40 pm

1 stop6h 40m

$657

WaterlooSan Francisco

ALO - SFO

ALOSFO

Waterloo

Sun 3/15

3:10 pm-10:32 pm

1 stop9h 22m

San Francisco

Mon 3/23

12:46 pm-11:53 pm

2 stops9h 07m

$729

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

  • Most accurate provider: When it comes to deals on Waterloo, Iowa-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Waterloo, Iowa-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Waterloo, Iowa-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Waterloo, Iowa-San Francisco 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 Waterloo, Iowa-San Francisco 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 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.
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.

Cheapflights Insights

Everything you need to know about your flight from Waterloo to San Francisco

What is the cheapest month to book a flight from Waterloo, Iowa to San Francisco?

Currently, December is the cheapest month in which you can book a flight from Waterloo, Iowa to San Francisco (average of $144). Flying from Waterloo, Iowa to San Francisco in September is currently the most expensive (average of $287). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated January 28, 2026.
Peruse reviews from past customers who have flown with American Airlines from Waterloo to San Francisco to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,201 reviews

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Overall

7.2

Crew

8.0

Food

6.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.
American Airlines
7.2
Good
11,201 reviews
American Airlines
7.2
Good
11,201 reviews

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Overall

7.2

Crew

8.0

Food

6.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.

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.

  • How long is the flight from Waterloo, Iowa to San Francisco?

    Departing from Waterloo, Iowa to San Francisco will take you 9h 22m. The distance between Waterloo, Iowa and San Francisco is about 1611 mi.

  • What is the cheapest airline to fly from Waterloo, Iowa to San Francisco round-trip?

    American Airlines, at $288, was found to be the cheapest airline from Waterloo, Iowa to San Francisco..

  • Can I find deals for flights from Waterloo to San Francisco that include hotel bookings?

    Yes. In addition to deals on Waterloo to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Waterloo to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Waterloo to San Francisco.

  • Can I find deals for business class flights from Waterloo to San Francisco?

    Yes. Cheapflights offers flight deals from Waterloo to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Waterloo, Iowa to San Francisco?

    Currently, December is the cheapest month in which you can book a flight from Waterloo, Iowa to San Francisco (average of $144). Flying from Waterloo, Iowa to San Francisco in September is currently the most expensive (average of $287). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Cruz
Roseville
Santa Clara
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Turlock
Vacaville
San Carlos
San Ramon
Manteca
Vallejo
San Lorenzo
Davis
Hollister
Redwood City
Union City

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Top airline flying from Waterloo to San Francisco

Discover the top airline that operate flights from Waterloo to San Francisco. 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$418FlexibilityNo cancel feeOn-time71%

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