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

According to our current data, American Airlines ($447), offers the cheapest pricing from Philadelphia to Waterloo, Iowa. American Airlines is priced at 13% lower than the current average price of a flight leaving 3 months from now.

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.

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

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 10% on the overall cost on flights from Philadelphia to Waterloo, Iowa.

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

Due to multiple factors, expect to potentially pay more when booking in January. For low rates, February can be a great choice for travel to Waterloo, Iowa. Flights to Waterloo, Iowa from Philadelphia in February are about $516 on average during February, but can be found for as low as $339.

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.

$447+ Flights from Philadelphia to Waterloo, IA

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Cheap flight deals from Philadelphia to Waterloo

Round-trip from	$447 (American Airlines)
Popular in	January
Cheapest in	February
Average price	$376

From Philadelphia to Waterloo

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($93 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($33 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Philadelphia to Waterloo

Cheapest flights from Philadelphia to Waterloo
Explore the most affordable flight options available from Philadelphia to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

mar. 6/2410:50 amPHL - ALO

1 stop5h 13mAmerican Airlines

mar. 7/13:36 pmALO - PHL

1 stop6h 22mAmerican Airlines

Deal found 6/11

$447

Best flights from Philadelphia to Waterloo
Discover carefully curated flight deals from Philadelphia to Waterloo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 12, 2025.

mar. 6/2410:50 amPHL - ALO

1 stop5h 13mAmerican Airlines

mar. 7/13:36 pmALO - PHL

1 stop6h 22mAmerican Airlines

Deal found 6/11

$447

Last-minute flights from Philadelphia to Waterloo
Discover last-minute flight deals from Philadelphia to Waterloo. Data last updated junio 12, 2025 and is based on user searches.

mar. 6/2410:50 amPHL - ALO

1 stop5h 13mAmerican Airlines

mar. 7/13:36 pmALO - PHL

1 stop6h 22mAmerican Airlines

Deal found 6/11

$447

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

mar. 6/24

10:50 am-3:03 pm

1 stop5h 13m

Waterloo

mar. 7/1

3:36 pm-10:58 pm

1 stop6h 22m

$447

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Waterloo

Rainfall in Waterloo by month

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.

Temperature in Waterloo by month

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).

Reviews of airlines servicing Waterloo

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Andrew,May 2025

LAX - MIA

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 ($447), offers the cheapest pricing from Philadelphia to Waterloo, Iowa. American Airlines is priced at 13% lower than the current average price of a flight leaving 3 months from now.
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

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Top airline flying from Philadelphia to Waterloo

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$376	Average$551	FlexibilityNo cancel fee	On-time71%

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$447+ Cheap flights from Philadelphia to Waterloo, IA (PHL - 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 6/24. 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

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2. Select your favorite providers

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Cheap flight deals from Philadelphia to Waterloo

Round-trip from

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Cheapest in

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Find flight deals from Philadelphia to Waterloo

Cheapest flights from Philadelphia to WaterlooExplore the most affordable flight options available from Philadelphia to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

Explore the most affordable flight options available from Philadelphia to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 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.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Waterloo

Rainfall in Waterloo by month

Plan your trip to Waterloo by taking into account the average rainfall totals by month.

Temperature in Waterloo by month

Plan your trip to Waterloo by taking into account the average temperature totals by month.

Reviews of airlines servicing Waterloo

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 Philadelphia?

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Alternative routes for Philadelphia to Waterloo

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Top airline flying from Philadelphia to Waterloo

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Cheapest flights from Philadelphia to Waterloo
Explore the most affordable flight options available from Philadelphia to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.