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Waterloo

$318+ Cheap flights from Pennsylvania to Waterloo, IA (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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ALO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Pennsylvania to Waterloo

Cheapest flights from Pennsylvania to Waterloo
Explore the most affordable flight options available from Pennsylvania to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:41 pmDCA - ALO
1 stop7h 04mAmerican Airlines
Sat 12/275:40 amALO - DCA
1 stop6h 11mAmerican Airlines
Deal found 12/14$609
This American Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:57 amPHL - ALO
1 stop4h 59mAmerican Airlines
Thu 12/183:12 pmALO - PHL
1 stop5h 36mAmerican Airlines
Deal found 12/15$657
This American Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:35 amIAD - ALO
2 stops18h 10mAmerican Airlines
Sat 12/275:40 amALO - IAD
2 stops17h 24mAmerican Airlines
Deal found 12/15$786

Find flight deals from Pennsylvania to Waterloo

Keep the following information in mind while searching for Pennsylvania to Waterloo flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$349
(American Airlines)

One-way from

$318
(American Airlines)
Provider with most accurate pricing for Philadelphia-Waterloo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Waterloo flights.
Search Deals
From Pennsylvania to Waterloo
Search Deals
One-way flight from Pennsylvania to Waterloo
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Waterloo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Pennsylvania to Waterloo that are best for you.

Fly from

Pennsylvania

Fly to

Waterloo

Route

Depart

Return

Price

NewarkWaterloo

EWR - ALO

EWRALO

Newark

Thu 1/1

5:59 pm-11:45 pm

1 stop6h 46m

Waterloo

Mon 1/5

3:09 pm-10:34 pm

1 stop6h 25m

$349

New YorkWaterloo

JFK - ALO

JFKALO

New York John F Kennedy Intl

Thu 1/1

9:30 am-2:39 pm

1 stop6h 09m

Waterloo

Mon 1/5

5:40 am-12:25 pm

1 stop5h 45m

$349

New YorkWaterloo

LGA - ALO

LGAALO

New York LaGuardia

Thu 1/1

5:30 pm-11:45 pm

1 stop7h 15m

Waterloo

Mon 1/5

3:09 pm-11:43 pm

1 stop7h 34m

$349

PittsburghWaterloo

PIT - ALO

PITALO

Pittsburgh

Wed 4/29

11:50 am-2:27 pm

1 stop3h 37m

Waterloo

Sun 5/3

2:45 pm-7:05 pm

1 stop3h 20m

$408

PhiladelphiaWaterloo

PHL - ALO

PHLALO

Philadelphia

Thu 5/21

8:42 am-2:18 pm

1 stop6h 36m

Waterloo

Mon 5/25

2:48 pm-7:51 pm

1 stop4h 03m

$535

Washington, D.C.Waterloo

DCA - ALO

DCAALO

Washington, D.C. Reagan-National

Tue 12/23

5:41 pm-11:45 pm

1 stop7h 04m

Waterloo

Sat 12/27

5:40 am-12:51 pm

1 stop6h 11m

$609

Washington, D.C.Waterloo

IAD - ALO

IADALO

Washington, D.C. Dulles Intl

Tue 12/23

6:35 am-11:45 pm

2 stops18h 10m

Waterloo

Sat 12/27

5:40 am-12:04 am

2 stops17h 24m

$786

New YorkWaterloo

JFK - ALO

JFKALO

New York John F Kennedy Intl

Sat 1/10

9:59 am-10:23 pm

2 stops13h 24m

$318

New YorkWaterloo

JFK - ALO

JFKALO

New York John F Kennedy Intl

Sun 1/11

10:30 am-10:23 pm

2 stops12h 53m

$318

New YorkWaterloo

JFK - ALO

JFKALO

New York John F Kennedy Intl

Wed 12/24

9:30 am-2:39 pm

1 stop6h 09m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 14 results
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Best time to book a flight from Pennsylvania to Waterloo

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

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

Currently, August is the cheapest month in which you can book a flight from Pennsylvania to Waterloo, Iowa (average of $173). Flying from Pennsylvania to Waterloo, Iowa in November is currently the most expensive (average of $275). 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.

Related info for your journey

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

  • What airport do you fly into for flights to Waterloo from Pennsylvania?

    Located just 5.3 mi from the city center, Waterloo (ALO) is the airport most travelers will use when flying to Waterloo from Pennsylvania.

  • How long is the flight from Pennsylvania to Waterloo, Iowa?

    Airlines like American Airlines fly from Pennsylvania to Waterloo, Iowa in about 6h 46m. The time it takes to get you to your destination can typically vary by up to . The distance between Pennsylvania and Waterloo, Iowa is about 947 mi.

  • What are the most popular routes from Pennsylvania to Waterloo, Iowa?

    When deciding which route to take from Pennsylvania to Waterloo, Iowa consider Philadelphia - Waterloo, Newark - Waterloo or New York John F Kennedy Intl - Waterloo as they are the most popular.

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

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

  • How can I find direct flights from Pennsylvania to Waterloo?

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania 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.

  • What is the cheapest month to book a flight from Pennsylvania to Waterloo, Iowa?

    Currently, August is the cheapest month in which you can book a flight from Pennsylvania to Waterloo, Iowa (average of $173). Flying from Pennsylvania to Waterloo, Iowa in November is currently the most expensive (average of $275). 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 Waterloo?

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Cedar Falls

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Alternative routes for Pennsylvania to Waterloo

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Top airline flying from Pennsylvania to Waterloo

Discover the top airline that operate flights from Pennsylvania to Waterloo. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$376FlexibilityNo cancel feeOn-time71%

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