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$453+ Cheap flights from San Diego to Waterloo, IA (SAN - 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — ALO
Nov 14 — Nov 211
Fri 11/14
Fri 11/21
1 adult, Economy
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Cheap flight deals from San Diego to Waterloo

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 October 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$716
(American Airlines)

One-way from

$459
(American Airlines)
Provider with most accurate pricing for San Diego-Waterloo flight deals.
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Provider most trusted by Cheapflights users for San Diego-Waterloo flights.
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From San Diego to Waterloo
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One-way flight from San Diego to Waterloo
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Find flight deals from San Diego to Waterloo

Cheapest flights from San Diego to Waterloo
Explore the most affordable flight options available from San Diego to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2025.

This American Airlines deal was found by Cheapflights users on 10/15. 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 10/183:01 pmSAN - ALO
1 stop6h 37mAmerican Airlines
Thu 10/236:00 amALO - SAN
1 stop8h 24mAmerican Airlines
Deal found 10/15$453
This American Airlines deal was found by Cheapflights users on 10/15. 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 10/186:16 amSAN - ALO
1 stop6h 39mAmerican Airlines
Sun 10/196:00 amALO - SAN
1 stop8h 24mAmerican Airlines
Deal found 10/15$488
This American Airlines deal was found by Cheapflights users on 10/15. 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.
Sun 10/196:16 amSAN - ALO
1 stop6h 39mAmerican Airlines
Thu 10/236:00 amALO - SAN
1 stop8h 24mAmerican Airlines
Deal found 10/15$1,001
This American Airlines deal was found by Cheapflights users on 10/15. 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.
Mon 10/2011:46 amSAN - ALO
2 stops9h 52mAmerican Airlines
Thu 10/236:00 amALO - SAN
1 stop8h 24mAmerican Airlines
Deal found 10/15$1,048

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego 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 October 15, 2025.
Use the filters below to find and compare flights from San Diego to Waterloo that are best for you.

Fly from

San Diego

Fly to

Waterloo

Route

Depart

Return

Price

San DiegoWaterloo

SAN - ALO

SANALO

San Diego

Sat 10/18

3:01 pm-11:38 pm

1 stop6h 37m

Waterloo

Thu 10/23

6:00 am-12:24 pm

1 stop8h 24m

$453

San DiegoWaterloo

SAN - ALO

SANALO

San Diego

Sat 10/18

6:16 am-2:55 pm

1 stop6h 39m

Waterloo

Sun 10/19

6:00 am-12:24 pm

1 stop8h 24m

$488

San DiegoWaterloo

SAN - ALO

SANALO

San Diego

Sun 10/19

6:16 am-2:55 pm

1 stop6h 39m

Waterloo

Thu 10/23

6:00 am-12:24 pm

1 stop8h 24m

$1,001

San DiegoWaterloo

SAN - ALO

SANALO

San Diego

Mon 10/20

11:46 am-11:38 pm

2 stops9h 52m

Waterloo

Thu 10/23

6:00 am-12:24 pm

1 stop8h 24m

$1,048

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

  • Most accurate provider: When it comes to deals on San Diego-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 Diego-Waterloo, Iowa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Waterloo, Iowa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-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 Diego-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 Diego to Waterloo

Have a flexible travel schedule? Discover the best time to fly to Waterloo from San Diego 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 Diego to Waterloo

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

Currently, July is the cheapest month in which you can book a flight from San Diego to Waterloo, Iowa (average of $75). Flying from San Diego to Waterloo, Iowa in April is currently the most expensive (average of $162). 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.

Related info for your journey

Find useful and relevant information for your journey from San Diego 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 Diego to Waterloo, Iowa?

    For as low as $453, American Airlines can have you in Waterloo, Iowa from San Diego in 6h 37m. There are 1508 mi between San Diego and Waterloo, Iowa.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from San Diego to Waterloo, Iowa (average of $75). Flying from San Diego to Waterloo, Iowa in April is currently the most expensive (average of $162). 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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