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Cheap flights from Waterloo, IA to San Diego (ALO - SAN)

ALO — SAN
Nov 5 — Nov 121
Wed 11/5
Wed 11/12
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from Waterloo to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Waterloo (ALO) to San Diego (SAN). 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 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars
Provider with most accurate pricing for Waterloo-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Waterloo-San Diego flights.
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Compare providers for flights from Waterloo to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Waterloo to San Diego in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

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

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

Currently, August is the cheapest month in which you can book a flight from Waterloo, Iowa to San Diego (average of $100). Flying from Waterloo, Iowa to San Diego in December is currently the most expensive (average of $150). 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 Diego

Get insights into the airlines that provide service to San Diego. 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 Diego. Reviews last updated October 6, 2025.
Get a feel of what it's like to fly with American Airlines from Waterloo to San Diego by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,040 reviews

Boarding

7.5

Entertainment

6.9

Overall

7.2

Comfort

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
11,040 reviews
American Airlines
7.2
Good
11,040 reviews

Boarding

7.5

Entertainment

6.9

Overall

7.2

Comfort

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 Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Waterloo, Iowa to San Diego (average of $100). Flying from Waterloo, Iowa to San Diego in December is currently the most expensive (average of $150). 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 Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
Imperial Beach
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Top airline flying from Waterloo to San Diego

Discover the top airline that operate flights from Waterloo to San Diego. 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 October 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$378FlexibilityNo cancel feeOn-time71%

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