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Waterloo

$634+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ALO
Apr 15 — Apr 221
Wed 4/15
Wed 4/22
1 adult, Economy
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Cheap flight deals from San Francisco to Waterloo

Cheapest flights from San Francisco to Waterloo
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 March 16, 2026.

This American Airlines deal was found by Cheapflights users on 3/14. 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.
Wed 4/16:00 am
SFO
-
ALO
1 stop6h 40m
American Airlines
Mon 4/63:10 pm
ALO
-
SFO
1 stop9h 29m
American Airlines
Deal found 3/14$634
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Thu 6/1811:37 am
SFO
-
ALO
2 stops10h 32m
American Airlines
Sun 6/215:00 am
ALO
-
SFO
1 stop8h 24m
American Airlines
Deal found 3/15$686
This American Airlines deal was found by Cheapflights users on 3/11. 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 3/276:00 am
SFO
-
ALO
1 stop6h 40m
American Airlines
Tue 3/315:20 am
ALO
-
SFO
2 stops12h 25m
American Airlines
Deal found 3/11$893

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 March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$634
(American Airlines)
Provider with most accurate pricing for San Francisco-Waterloo flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Waterloo flights.
Search Deals
From San Francisco to Waterloo
Search Deals

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 2,558,603 searches. Data last updated March 16, 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

Price

Cheapest round-trip
Quickest round-trip

San FranciscoWaterloo

SFO - ALO

SFOALO

San Francisco

Wed 4/1

6:00 am-2:40 pm

1 stop6h 40m

Waterloo

Mon 4/6

3:10 pm-10:39 pm

1 stop9h 29m

$634

San FranciscoWaterloo

SFO - ALO

SFOALO

San Francisco

Thu 6/18

11:37 am-12:09 am

2 stops10h 32m

Waterloo

Sun 6/21

5:00 am-11:24 am

1 stop8h 24m

$686

San FranciscoWaterloo

SFO - ALO

SFOALO

San Francisco

Fri 3/27

6:00 am-2:40 pm

1 stop6h 40m

Waterloo

Tue 3/31

5:20 am-3:45 pm

2 stops12h 25m

$893
Cheapest one-way
Quickest one-way

San FranciscoWaterloo

SFO - ALO

SFOALO

San Francisco

Wed 7/1

10:07 am-12:09 am

2 stops12h 02m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

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.
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 San Francisco to Waterloo

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

Currently, September is the cheapest month in which you can book a flight from San Francisco to Waterloo, Iowa (average of $149). Flying from San Francisco to Waterloo, Iowa in January is currently the most expensive (average of $314). 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 Waterloo

Get insights into the airlines that provide service to Waterloo. 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 Waterloo. Reviews last updated March 16, 2026.
Get a feel of what it's like to fly with American Airlines from San Francisco to Waterloo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,466 reviews

Comfort

7.2

Food

6.4

Overall

7.1

Boarding

7.5

Crew

7.9

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,466 reviews
American Airlines
7.1
Good
11,466 reviews

Comfort

7.2

Food

6.4

Overall

7.1

Boarding

7.5

Crew

7.9

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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.

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

    Airlines like American Airlines fly from San Francisco to Waterloo, Iowa in about 6h 40m. The time it takes to get you to your destination can typically vary by up to . The distance between San Francisco and Waterloo, Iowa is about 1611 mi.

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

    Currently priced at $298, American Airlines will fly you from San Francisco to Waterloo, Iowa and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Waterloo 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 San Francisco to Waterloo, Iowa?

    Currently, September is the cheapest month in which you can book a flight from San Francisco to Waterloo, Iowa (average of $149). Flying from San Francisco to Waterloo, Iowa in January is currently the most expensive (average of $314). 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 Waterloo?

Book flights to Waterloo if you plan to visit one of these locations
Cedar Falls

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Top airline flying from San Francisco to Waterloo

Discover the top airline that operate flights from San Francisco to Waterloo. 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 March 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$298Average$497FlexibilityNo cancel feeOn-time71%

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