Which airports can I use when flying from Waterloo to San Diego?

Flights from Waterloo to San Diego usually depart from Waterloo (ALO) and arrive at San Diego (SAN).

Which airports do connecting flights from Waterloo to San Diego pass through?

Most connecting flights from Waterloo to San Diego pass through Chicago O'Hare Intl (ORD), which handles 100% of one-stop traffic on this route.

Can I save money by using flexible dates for flights from Waterloo to San Diego?

Yes. Flexible dates can save you up to 42% on flights from Waterloo to San Diego. Tuesday is the cheapest departure day at $344 round-trip on average, while Monday is the most expensive at $587, a difference of $243. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in San Diego?

Some of the most popular sights in San Diego are Gaslamp Quarter, San Diego Convention Center and SeaWorld San Diego. These are among the most viewed places in San Diego on KAYAK.

Do I need a passport to fly from Waterloo to San Diego?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from Waterloo to San Diego changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $638 to $1,508. That means the highest observed fare was about 2x higher than the lowest one.

What is the time difference between Waterloo and San Diego?

San Diego is 2 hours behind Waterloo (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

How much should I expect to pay for a Waterloo to San Diego flight?

Round-trip flights from Waterloo to San Diego range from $408 to $546, with an average of $473 over the past 12 months. Anything below $408 counts as a good deal.

How much is a round-trip flight from Waterloo to San Diego?

Round-trip flights from Waterloo to San Diego typically range from $408 to $546. The lowest price found in the past 5 days was $638, on American Airlines.

Which airline is the cheapest to fly from Waterloo to San Diego?

American Airlines ($638) offered the cheapest round-trip ticket from Waterloo to San Diego in the last 5 days.

What is the cheapest layover airport when flying from Waterloo to San Diego?

Flights via Chicago O'Hare Intl (ORD) offer the most affordable fares, with an average round-trip price of $483. Based on KAYAK data over the past 3 months.

When flying from Waterloo to San Diego which airport offers the shortest layover?

Chicago O'Hare Intl (ORD) had the shortest average connection time for Waterloo to San Diego layovers at 4h 29m over the past 3 months.

$575 CHEAP FLIGHTS from Waterloo to San Diego (ALO - SAN)

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Cheapest round-trip

$638

Typical prices: $408-$546

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Fri 12/7Tue 12/11

ALO - SAN • 1 stop

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Flight Deals

Cheap Flights from Waterloo to San Diego (ALO-SAN)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Waterloo to San Diego

Mon, Dec 7 - Fri, Dec 11

3:44 pm - 10:44 amALO Waterloo-SAN San Diego

21h 00m1 stop Chicago O'Hare Intl

11:34 am - 12:14 amSAN San Diego-ALO Waterloo

10h 40m1 stop Chicago O'Hare Intl

$638American Airlines

Mon, Dec 7 - Fri, Dec 11

3:44 pm - 10:44 amALO Waterloo-SAN San Diego

21h 00m1 stop Chicago O'Hare Intl

9:32 am - 12:14 amSAN San Diego-ALO Waterloo

12h 42m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$718American Airlines

Mon, Nov 9 - Fri, Nov 13

3:43 pm - 10:56 amALO Waterloo-SAN San Diego

21h 13m1 stop Chicago O'Hare Intl

7:41 am - 11:38 pmSAN San Diego-ALO Waterloo

13h 57m1 stop Chicago O'Hare Intl

$798American Airlines

Mon, Nov 9 - Fri, Nov 13

3:43 pm - 9:20 amALO Waterloo-SAN San Diego

19h 37m1 stop Chicago O'Hare Intl

6:25 am - 11:38 pmSAN San Diego-ALO Waterloo

15h 13m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$848American Airlines

Mon, Dec 7 - Fri, Dec 11

5:34 am - 7:07 pmALO Waterloo-SAN San Diego

15h 33m2 stops Chicago O'Hare Intl Dallas/Fort Worth

9:32 am - 12:14 amSAN San Diego-ALO Waterloo

12h 42m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$900American Airlines

Mon, Nov 9 - Fri, Nov 13

6:04 am - 6:23 pmALO Waterloo-SAN San Diego

14h 19m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

9:26 am - 11:38 pmSAN San Diego-ALO Waterloo

12h 12m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$943American Airlines

Mon, Nov 9 - Fri, Nov 13

3:43 pm - 10:56 amALO Waterloo-SAN San Diego

21h 13m1 stop Chicago O'Hare Intl

7:41 am - 11:38 pmSAN San Diego-ALO Waterloo

13h 57m1 stop Chicago O'Hare Intl

$1,028American Airlines

Mon, Nov 9 - Fri, Nov 13

6:04 am - 6:23 pmALO Waterloo-SAN San Diego

14h 19m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

11:50 am - 11:38 pmSAN San Diego-ALO Waterloo

9h 48m1 stop Chicago O'Hare Intl

$1,038American Airlines

Mon, Nov 9 - Fri, Nov 13

6:04 am - 5:55 pmALO Waterloo-SAN San Diego

13h 51m2 stops Chicago O'Hare Intl Dallas/Fort Worth

7:15 am - 11:38 pmSAN San Diego-ALO Waterloo

14h 23m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$1,043American Airlines

Fri, Nov 6 - Thu, Nov 19

6:04 am - 11:54 pmALO Waterloo-SAN San Diego

19h 50m1 stop Chicago O'Hare Intl

6:42 am - 11:41 pmSAN San Diego-ALO Waterloo

14h 59m1 stop Chicago O'Hare Intl

$1,231American Airlines

Recent last minute flight deals from Waterloo to San Diego

Thu, Oct 29 - Mon, Nov 2

6:07 am - 12:34 pmALO Waterloo-SAN San Diego

8h 27m1 stop Chicago O'Hare Intl

1:29 pm - 11:38 pmSAN San Diego-ALO Waterloo

8h 09m1 stop Chicago O'Hare Intl

$578American Airlines

Sat, Oct 31 - Mon, Nov 23

6:07 am - 12:34 pmALO Waterloo-SAN San Diego

8h 27m1 stop Chicago O'Hare Intl

10:45 pm - 11:41 pmSAN San Diego-ALO Waterloo

22h 56m1 stop Chicago O'Hare Intl

$616American Airlines

Wed, Oct 28 - Mon, Nov 23

3:39 pm - 10:50 pmALO Waterloo-SAN San Diego

9h 11m1 stop Chicago O'Hare Intl

10:45 pm - 11:41 pmSAN San Diego-ALO Waterloo

22h 56m1 stop Chicago O'Hare Intl

$616American Airlines

Wed, Oct 28 - Sat, Nov 14

6:07 am - 12:34 pmALO Waterloo-SAN San Diego

8h 27m1 stop Chicago O'Hare Intl

1:29 pm - 11:38 pmSAN San Diego-ALO Waterloo

8h 09m1 stop Chicago O'Hare Intl

$642American Airlines

Sat, Oct 31 - Tue, Nov 10

6:07 am - 12:34 pmALO Waterloo-SAN San Diego

8h 27m1 stop Chicago O'Hare Intl

1:29 pm - 11:38 pmSAN San Diego-ALO Waterloo

8h 09m1 stop Chicago O'Hare Intl

$642American Airlines

Wed, Oct 28 - Wed, Nov 11

6:07 am - 12:34 pmALO Waterloo-SAN San Diego

8h 27m1 stop Chicago O'Hare Intl

1:29 pm - 11:38 pmSAN San Diego-ALO Waterloo

8h 09m1 stop Chicago O'Hare Intl

$642American Airlines

Sat, Oct 31 - Wed, Nov 11

6:07 am - 12:34 pmALO Waterloo-SAN San Diego

8h 27m1 stop Chicago O'Hare Intl

1:29 pm - 11:38 pmSAN San Diego-ALO Waterloo

8h 09m1 stop Chicago O'Hare Intl

$642American Airlines

Wed, Oct 28 - Tue, Nov 10

3:39 pm - 10:50 pmALO Waterloo-SAN San Diego

9h 11m1 stop Chicago O'Hare Intl

1:29 pm - 11:38 pmSAN San Diego-ALO Waterloo

8h 09m1 stop Chicago O'Hare Intl

$642American Airlines

Sat, Oct 31 - Sat, Nov 14

6:07 am - 12:34 pmALO Waterloo-SAN San Diego

8h 27m1 stop Chicago O'Hare Intl

1:29 pm - 11:38 pmSAN San Diego-ALO Waterloo

8h 09m1 stop Chicago O'Hare Intl

$642American Airlines

Thu, Oct 29 - Mon, Nov 23

3:39 pm - 9:41 pmALO Waterloo-SAN San Diego

8h 02m1 stop Chicago O'Hare Intl

10:45 pm - 11:41 pmSAN San Diego-ALO Waterloo

22h 56m1 stop Chicago O'Hare Intl

$644American Airlines

Booking Insights

Price, demand and travel trends for Waterloo to San Diego flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Waterloo to San Diego? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Waterloo to San Diego departing in december.

Find deals

Cheapest flight	$638

Round-trip flight from Waterloo to San Diego

When to book flights from Waterloo to San Diego

Are your dates flexible? Find out the best times to travel from Waterloo to San Diego based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Do I need a passport to fly from Waterloo to San Diego?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
How much should I expect to pay for a Waterloo to San Diego flight?
Round-trip flights from Waterloo to San Diego range from $408 to $546, with an average of $473 over the past 12 months. Anything below $408 counts as a good deal.
Have flight prices from Waterloo to San Diego changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $638 to $1,508. That means the highest observed fare was about 2x higher than the lowest one.
Which airports can I use when flying from Waterloo to San Diego?
Flights from Waterloo to San Diego usually depart from Waterloo (ALO) and arrive at San Diego (SAN).
Which airports do connecting flights from Waterloo to San Diego pass through?
Most connecting flights from Waterloo to San Diego pass through Chicago O'Hare Intl (ORD), which handles 100% of one-stop traffic on this route.
Can I save money by using flexible dates for flights from Waterloo to San Diego?
Yes. Flexible dates can save you up to 42% on flights from Waterloo to San Diego. Tuesday is the cheapest departure day at $344 round-trip on average, while Monday is the most expensive at $587, a difference of $243.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between Waterloo and San Diego?
San Diego is 2 hours behind Waterloo (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in San Diego?
Some of the most popular sights in San Diego are Gaslamp Quarter, San Diego Convention Center and SeaWorld San Diego. These are among the most viewed places in San Diego on KAYAK.

If your dates are flexible, aim for a Tuesday departure and avoid flying on Monday. On this route, Tuesday flights average $344, about $243 less than Monday fares (41% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to San Diego Airport.

• Courtyard by Marriott San Diego Downtown Little Italy
• Bay Club Hotel & Marina
• Sheraton San Diego Resort

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ALO - SAN

$575 Find Cheap Flights from Waterloo to San Diego - Compare and Save

Everything you should know

Cheap Flights from Waterloo to San Diego (ALO-SAN)

Recent round-trip flight deals from Waterloo to San Diego

Recent one-way flight deals from Waterloo to San Diego

Recent last minute flight deals from Waterloo to San Diego

Price, demand and travel trends for Waterloo to San Diego flights

How much is a round-trip flight from Waterloo to San Diego?

Which airline is the cheapest to fly from Waterloo to San Diego?

What is the cheapest layover airport when flying from Waterloo to San Diego?

When flying from Waterloo to San Diego which airport offers the shortest layover?

Key details for Waterloo to San Diego flights

Cheapest flight

When to book flights from Waterloo to San Diego

Your Waterloo to San Diego flight questions, answered

Your guide to booking Waterloo to San Diego flights

More options for your flight from Waterloo to San Diego

Complete your trip to San Diego with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Waterloo to San Diego

Find direct flights to and from Waterloo and San Diego

Flights from domestic origins to San Diego

Flights to other popular destinations

Find deals for your return flight