When did momondo last update prices for flights from Waterloo Airport to San Diego Airport?

Prices for flights from Waterloo Airport to San Diego Airport refresh daily.

How many operators does momondo search for flights from Waterloo Airport to San Diego Airport?

As of December 2025, there is 1 operator available to choose from for flights from Waterloo Airport to San Diego Airport.

How old do you have to be to fly from Waterloo Airport to San Diego Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Waterloo Airport to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$329 Cheap Flights from Waterloo to San Diego in 2025/26

1 adult

0 bags

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Find the cheapest flights from Waterloo, Iowa to San Diego

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:09 pm - 9:06 pm

ALO

SAN

7h 57m1 stop

3:03 pm - 11:45 pm

SAN

ALO

6h 42m1 stop

$785American Airlines

Wed, Dec 31 - Sun, Jan 4

5:40 am - 3:24 pm

ALO

SAN

11h 44m2 stops

3:03 pm - 11:45 pm

SAN

ALO

6h 42m1 stop

$879American Airlines

Wed, Dec 31 - Sun, Jan 4

5:40 am - 3:24 pm

ALO

SAN

11h 44m2 stops

9:50 am - 11:45 pm

SAN

ALO

11h 55m2 stops

$997American Airlines

Wed, Dec 31 - Sun, Jan 4

American Airlines flights from Waterloo, Iowa to San Diego

Our best American Airlines deals on Waterloo, Iowa to San Diego flight tickets

American Airlines

Dec 31

ALO3:09 pmWaterloo

7h 57m

1 stop

SAN9:06 pmSan Diego

Jan 4

SAN3:03 pmSan Diego

6h 42m

1 stop

ALO11:45 pmWaterloo

$785

Find similar

American Airlines

Dec 31

ALO5:40 amWaterloo

11h 44m

2 stops

SAN3:24 pmSan Diego

Jan 4

SAN3:03 pmSan Diego

6h 42m

1 stop

ALO11:45 pmWaterloo

$879

Find similar

American Airlines

Dec 31

ALO5:40 amWaterloo

11h 44m

2 stops

SAN3:24 pmSan Diego

Jan 4

SAN9:50 amSan Diego

11h 55m

2 stops

ALO11:45 pmWaterloo

$997

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Waterloo, Iowa to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

WaterlooSan Diego

ALO - SAN

ALOSAN

Waterloo

Wed 12/31

3:09 pm-9:06 pm

1 stop7h 57m

San Diego

Sun 1/4

3:03 pm-11:45 pm

1 stop6h 42m

$785

WaterlooSan Diego

ALO - SAN

ALOSAN

Waterloo

Wed 12/31

5:40 am-3:24 pm

2 stops11h 44m

San Diego

Sun 1/4

3:03 pm-11:45 pm

1 stop6h 42m

$879

WaterlooSan Diego

ALO - SAN

ALOSAN

Waterloo

Wed 12/31

5:40 am-3:24 pm

2 stops11h 44m

San Diego

Sun 1/4

9:50 am-11:45 pm

2 stops11h 55m

$997

WaterlooSan Diego

ALO - SAN

ALOSAN

Waterloo

Fri 1/30

6:00 am-1:08 pm

1 stop9h 08m

$521

WaterlooSan Diego

ALO - SAN

ALOSAN

Waterloo

Fri 1/30

6:00 am-3:57 pm

2 stops11h 57m

$526

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Waterloo, Iowa to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Waterloo to San Diego?

American Airlines is the most popular carrier operating from Waterloo to San Diego

What airlines fly to San Diego?

American Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to San Diego from Waterloo, Iowa according to our data. American Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 6 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

When to book flights from Waterloo, Iowa to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Waterloo, Iowa to San Diego according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Waterloo, Iowa to San Diego (ALO to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Waterloo, Iowa to San Diego

Fastest flight time	7h 57m
Direct flights	None

The fastest flight from Waterloo, Iowa to San Diego takes 7h 57m

There are no direct flights from Waterloo, Iowa to San Diego. There are no popular flight routes from Waterloo, Iowa to San Diego.

Search flight deals

How far is Waterloo to San Diego by plane?
Waterloo and San Diego are 1508.3 mi apart from one another. By plane, this route typically takes 7h 57m.
When did momondo last update prices for flights from Waterloo Airport to San Diego Airport?
Prices for flights from Waterloo Airport to San Diego Airport refresh daily.
How many operators does momondo search for flights from Waterloo Airport to San Diego Airport?
As of December 2025, there is 1 operator available to choose from for flights from Waterloo Airport to San Diego Airport.
How old do you have to be to fly from Waterloo Airport to San Diego Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Waterloo Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Waterloo, Iowa to San Diego?
momondo data reveals that the most frequently booked airline on the route from Waterloo, Iowa to San Diego is American Airlines, representing 100% of all bookings.

Best airlines flying from Waterloo, Iowa to San Diego

Compare and see reviews for airlines that fly from Waterloo, Iowa to San Diego with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.2 11,055 reviews		Search American Airlines flights

Coronado

Chula Vista

El Cajon

Julian

National City

Poway

Imperial Beach

Borrego Springs

La Mesa

San Ysidro

Alpine

Lemon Grove

Santee

Why use momondo?

Why should I use momondo to find a flight deal from Waterloo to San Diego?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Waterloo to San Diego. momondo saves you time and could save you money on your trip.

Can I find flights from Waterloo to San Diego with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Waterloo to San Diego flights to just show those with flexible booking policies.

How can momondo help me find flights from Waterloo to San Diego?

Once all potential Waterloo to San Diego flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Waterloo to San Diego right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Diego, momondo offers a useful price alert feature which will track prices for flights to San Diego from Waterloo and alert you when they change.