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$343+ Cheap flights from Portland to Waterloo, IA (PDX - 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ALO
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Cheap flight deals from Portland to Waterloo

Cheapest flights from Portland to Waterloo
Explore the most affordable flight options available from Portland to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

This American Airlines deal was found by Cheapflights users on 7/19. 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 9/306:01 am
PDX
-
ALO
1 stop6h 54m
American Airlines
Sat 10/35:00 am
ALO
-
PDX
1 stop7h 55m
American Airlines
Deal found 7/19$494
This American Airlines deal was found by Cheapflights users on 7/19. 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 8/55:59 am
PDX
-
ALO
1 stop16h 23m
American Airlines
Sat 8/155:00 am
ALO
-
PDX
1 stop20h 59m
American Airlines
Deal found 7/19$544
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Thu 10/151:12 pm
PDX
-
ALO
1 stop8h 47m
American Airlines
Sun 10/183:48 pm
ALO
-
PDX
1 stop10h 11m
American Airlines
Deal found 7/18$562

Find flight deals from Portland to Waterloo

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Waterloo (ALO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$494
(American Airlines)

One-way from

$343
(American Airlines)
Provider with most accurate pricing for Portland-Waterloo flight deals.
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Provider most trusted by Cheapflights users for Portland-Waterloo flights.
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From Portland to Waterloo
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One-way flight from Portland to Waterloo
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland 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 July 23, 2026.
Use the filters below to find and compare flights from Portland to Waterloo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Wed 9/30

6:01 am-11:59 pm

1 stop15h 58m

Waterloo

Sat 10/3

5:00 am-4:54 pm

2 stops13h 54m

$530

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Wed 8/5

5:59 am-12:22 am

1 stop16h 23m

Waterloo

Sat 8/15

5:00 am-11:59 pm

1 stop20h 59m

$544
Quickest round-trip

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Thu 10/15

1:12 pm-11:59 pm

1 stop8h 47m

Waterloo

Sun 10/18

3:48 pm-11:59 pm

1 stop10h 11m

$562
Cheapest one-way

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Sat 9/26

9:00 am-11:59 pm

2 stops12h 59m

$397
Quickest one-way

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Tue 8/4

1:45 pm-12:29 am

1 stop8h 44m

$448

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Wed 8/5

1:38 pm-12:22 am

2 stops32h 44m

$489

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Thu 8/6

11:34 pm-12:22 am

1 stop22h 48m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Portland-Waterloo, Iowa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Waterloo, Iowa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Waterloo, Iowa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Waterloo, Iowa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Waterloo, Iowa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Waterloo

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

Related info for your journey

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

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

    For as low as $530, American Airlines can have you in Waterloo, Iowa from Portland in 15h 58m. Airlines will cover a distance of 1503 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland 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

Traveling to a place near Waterloo?

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