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$468+ Cheap flights from Portland to Waterloo, IA (PDX - 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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ALO
mars 15 — mars 221
dim. 3/15
dim. 3/22
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 février 13, 2026.

This American Airlines deal was found by Cheapflights users on 2/12. 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.
ven. 6/191:45 pm
PDX
-
ALO
1 stop8h 14m
American Airlines
dim. 6/213:16 pm
ALO
-
PDX
1 stop8h 35m
American Airlines
Deal found 2/12$468
This American Airlines deal was found by Cheapflights users on 2/12. 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.
lun. 3/3011:59 pm
PDX
-
ALO
1 stop21h 54m
American Airlines
sam. 4/45:20 am
ALO
-
PDX
1 stop20h 55m
American Airlines
Deal found 2/12$706
This American Airlines deal was found by Cheapflights users on 2/12. 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.
dim. 3/2911:59 pm
PDX
-
ALO
1 stop21h 54m
American Airlines
sam. 4/45:20 am
ALO
-
PDX
1 stop20h 55m
American Airlines
Deal found 2/12$738
This American Airlines deal was found by Cheapflights users on 2/12. 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.
mar. 3/3112:04 pm
PDX
-
ALO
2 stops9h 49m
American Airlines
sam. 4/45:20 am
ALO
-
PDX
2 stops9h 55m
American Airlines
Deal found 2/12$742
This American Airlines deal was found by Cheapflights users on 2/12. 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.
mer. 4/112:04 pm
PDX
-
ALO
2 stops9h 49m
American Airlines
sam. 4/45:20 am
ALO
-
PDX
2 stops9h 55m
American Airlines
Deal found 2/12$766
This American Airlines deal was found by Cheapflights users on 2/12. 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.
sam. 3/2811:59 pm
PDX
-
ALO
1 stop12h 41m
American Airlines
sam. 4/45:20 am
ALO
-
PDX
1 stop20h 55m
American Airlines
Deal found 2/12$776
This American Airlines deal was found by Cheapflights users on 2/12. 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.
sam. 3/2811:59 pm
PDX
-
ALO
1 stop21h 54m
American Airlines
jeu. 4/25:20 am
ALO
-
PDX
1 stop7h 28m
American Airlines
Deal found 2/12$826

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 février 13, 2026.

Round-trip from

$468
(American Airlines)
From Portland to Waterloo
Search Deals

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 février 13, 2026.
Use the filters below to find and compare flights from Portland to Waterloo that are best for you.

Fly from

Portland

Fly to

Waterloo

Route

Depart

Return

Price

PortlandWaterloo

PDX - ALO

PDXALO

Portland

ven. 6/19

1:45 pm-11:59 pm

1 stop8h 14m

Waterloo

dim. 6/21

3:16 pm-9:51 pm

1 stop8h 35m

$468

PortlandWaterloo

PDX - ALO

PDXALO

Portland

mar. 3/31

11:59 pm-2:40 pm

1 stop12h 41m

Waterloo

sam. 4/4

5:20 am-12:15 am

1 stop20h 55m

$706

PortlandWaterloo

PDX - ALO

PDXALO

Portland

lun. 3/30

11:59 pm-11:53 pm

1 stop21h 54m

Waterloo

sam. 4/4

5:20 am-12:15 am

1 stop20h 55m

$706

PortlandWaterloo

PDX - ALO

PDXALO

Portland

dim. 3/29

11:59 pm-11:53 pm

1 stop21h 54m

Waterloo

sam. 4/4

5:20 am-12:15 am

1 stop20h 55m

$738

PortlandWaterloo

PDX - ALO

PDXALO

Portland

mer. 4/1

11:46 am-11:53 pm

1 stop10h 07m

Waterloo

sam. 4/4

5:20 am-7:16 pm

2 stops15h 56m

$756

PortlandWaterloo

PDX - ALO

PDXALO

Portland

sam. 3/28

11:59 pm-2:40 pm

1 stop12h 41m

Waterloo

sam. 4/4

5:20 am-12:15 am

1 stop20h 55m

$776

PortlandWaterloo

PDX - ALO

PDXALO

Portland

sam. 3/28

11:59 pm-11:53 pm

1 stop21h 54m

Waterloo

jeu. 4/2

5:20 am-10:48 am

1 stop7h 28m

$826

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

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.

Cheapflights Insights

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

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

Currently, September is the cheapest month in which you can book a flight from Portland to Waterloo, Iowa (average of $71). Flying from Portland to Waterloo, Iowa in November is currently the most expensive (average of $343). 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 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 $468, American Airlines can have you in Waterloo, Iowa from Portland in 8h 14m. 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.

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

    Currently, September is the cheapest month in which you can book a flight from Portland to Waterloo, Iowa (average of $71). Flying from Portland to Waterloo, Iowa in November is currently the most expensive (average of $343). 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

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