What is the cheapest airline to fly from Philadelphia to Waterloo, Iowa round-trip?

According to our current data, American Airlines ($248), offers the cheapest pricing from Philadelphia to Waterloo, Iowa.

What is the cheapest day to fly from Philadelphia to Waterloo, Iowa?

Travelers seeking maximum savings on their Philadelphia to Waterloo, Iowa flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Waterloo, Iowa ranges from 0.8 - 5.0 inches per month. June is typically the wettest month, when rainfall can reach 5.0 in. January is typically the driest time to visit Waterloo, Iowa when rainfall is around 0.8 in.

If weather is an important factor for your trip to Waterloo, Iowa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 19.4 F).

What is the cheapest time of day to fly from PHL to ALO?

When flying from Philadelphia to Waterloo, Iowa, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 6% versus a flight at noon.

Can I find deals for flights from Philadelphia to Waterloo that include hotel bookings?

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

How can I find direct flights from Philadelphia to Waterloo?

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

Can I find deals for business class flights from Philadelphia to Waterloo?

Yes. Cheapflights offers flight deals from Philadelphia 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.

$199+ Cheap Flights from Philadelphia to Waterloo, IA

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Philadelphia to Waterloo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Philadelphia to Waterloo

One-way flights from Philadelphia to Waterloo
Search for one-way flight options from Philadelphia to Waterloo. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Wed 10/299:19 amPHL - ALO

1 stop6h 36mAmerican Airlines

Deal found 9/16

$199

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Waterloo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaWaterloo

PHL - ALO

PHLALO

Philadelphia

Wed 10/29

9:19 am-2:55 pm

1 stop6h 36m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Philadelphia to Waterloo

Have a flexible travel schedule? Discover the best time to fly to Waterloo from Philadelphia 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.

Reviews of airlines servicing Waterloo

Peruse reviews from past customers who have flown with American Airlines from Philadelphia to Waterloo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

What is the cheapest airline to fly from Philadelphia to Waterloo, Iowa round-trip?
According to our current data, American Airlines ($248), offers the cheapest pricing from Philadelphia to Waterloo, Iowa.
Can I find deals for flights from Philadelphia to Waterloo that include hotel bookings?
Yes. In addition to deals on Philadelphia to Waterloo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Philadelphia to Waterloo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Waterloo.
Can I find deals for business class flights from Philadelphia to Waterloo?
Yes. Cheapflights offers flight deals from Philadelphia 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.

See more FAQs

Cedar Falls

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Philadelphia to Waterloo

LaGuardia to Omaha flights

John F Kennedy Intl to Omaha flights

Newark to Omaha flights

Dulles Intl to Omaha flights

Reagan-National to Omaha flights

Dulles Intl to Des Moines flights

John F Kennedy Intl to Des Moines flights

Reagan-National to Des Moines flights

John F Kennedy Intl to Cedar Rapids flights

Newark to Cedar Rapids flights

LaGuardia to Des Moines flights

Philadelphia to Des Moines flights

LaGuardia to Cedar Rapids flights

Philadelphia to Cedar Rapids flights

Philadelphia to Omaha flights

Reagan-National to Cedar Rapids flights

Pittsburgh to Omaha flights

Dulles Intl to Cedar Rapids flights

LaGuardia to Moline flights

John F Kennedy Intl to Moline flights

Pittsburgh to Des Moines flights

Newark to Moline flights

Dulles Intl to Moline flights

Harrisburg to Des Moines flights

Pittsburgh to Cedar Rapids flights

Newark to Des Moines flights

Reagan-National to Moline flights

Harrisburg to Omaha flights

Philadelphia to Moline flights

Allentown to Cedar Rapids flights

Pittsburgh to Moline flights

Harrisburg to Moline flights

Elmira to Omaha flights

Scranton to Cedar Rapids flights

State College to Cedar Rapids flights

State College to Omaha flights

Allentown to Moline flights

Philadelphia to Sioux City flights

Scranton to Omaha flights

State College to Des Moines flights

Allentown to Des Moines flights

Reagan-National to Sioux City flights

Dulles Intl to Waterloo flights

Newark to La Crosse flights

Allentown to Omaha flights

Dulles Intl to Sioux City flights

Harrisburg to Cedar Rapids flights

John F Kennedy Intl to La Crosse flights

Dulles Intl to La Crosse flights

LaGuardia to Waterloo flights

Top airline flying from Philadelphia to Waterloo

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$248	Average$506	FlexibilityNo cancel fee	On-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$199+ Cheap flights from Philadelphia to Waterloo, IA (PHL - ALO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Philadelphia to Waterloo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Philadelphia to Waterloo

One-way flights from Philadelphia to WaterlooSearch for one-way flight options from Philadelphia to Waterloo. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Search for one-way flight options from Philadelphia to Waterloo. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Waterloo that are best for you.

Best time to book a flight from Philadelphia to Waterloo

Have a flexible travel schedule? Discover the best time to fly to Waterloo from Philadelphia with our price prediction graph.

Reviews of airlines servicing Waterloo

Peruse reviews from past customers who have flown with American Airlines from Philadelphia to Waterloo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Waterloo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Philadelphia to Waterloo, Iowa round-trip?

Can I find deals for flights from Philadelphia to Waterloo that include hotel bookings?

How can I find direct flights from Philadelphia to Waterloo?

Can I find deals for business class flights from Philadelphia to Waterloo?

Traveling to a place near Waterloo?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Philadelphia to Waterloo

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Philadelphia to Waterloo

100% Free

Book with Flexibility

Travel Smart

One-way flights from Philadelphia to Waterloo
Search for one-way flight options from Philadelphia to Waterloo. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.