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Waterloo

$518+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ALO
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
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 June 11, 2026.

This American Airlines deal was found by Cheapflights users on 6/8. 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 7/711:15 pm
PDX
-
ALO
1 stop13h 38m
American Airlines
Mon 7/133:23 pm
ALO
-
PDX
1 stop21h 13m
American Airlines
Deal found 6/8$518
This American Airlines deal was found by Cheapflights users on 6/9. 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 7/711:15 pm
PDX
-
ALO
1 stop13h 38m
American Airlines
Tue 7/145:06 am
ALO
-
PDX
1 stop18h 44m
American Airlines
Deal found 6/9$519
This American Airlines deal was found by Cheapflights users on 6/9. 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 8/1111:34 pm
PDX
-
ALO
1 stop22h 48m
American Airlines
Wed 8/195:00 am
ALO
-
PDX
1 stop15h 00m
American Airlines
Deal found 6/9$533
This American Airlines deal was found by Cheapflights users on 6/9. 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 8/1111:34 pm
PDX
-
ALO
1 stop13h 18m
American Airlines
Sat 8/225:00 am
ALO
-
PDX
1 stop20h 58m
American Airlines
Deal found 6/9$563
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Sun 7/511:43 am
PDX
-
ALO
1 stop10h 46m
American Airlines
Sun 7/123:25 pm
ALO
-
PDX
1 stop21h 11m
American Airlines
Deal found 6/7$564
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 8/1411:34 pm
PDX
-
ALO
1 stop22h 48m
American Airlines
Tue 8/185:00 am
ALO
-
PDX
1 stop20h 59m
American Airlines
Deal found 6/9$576
This American Airlines deal was found by Cheapflights users on 6/9. 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 8/1311:34 pm
PDX
-
ALO
1 stop22h 48m
American Airlines
Thu 8/205:00 am
ALO
-
PDX
1 stop15h 05m
American Airlines
Deal found 6/9$593
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 8/1411:34 pm
PDX
-
ALO
1 stop22h 48m
American Airlines
Thu 8/205:00 am
ALO
-
PDX
1 stop15h 05m
American Airlines
Deal found 6/9$606
This American Airlines deal was found by Cheapflights users on 6/9. 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 8/116:35 am
PDX
-
ALO
2 stops30h 17m
American Airlines
Tue 8/185:00 am
ALO
-
PDX
1 stop15h 00m
American Airlines
Deal found 6/9$611
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Sat 8/1511:34 pm
PDX
-
ALO
1 stop22h 48m
American Airlines
Mon 8/173:23 pm
ALO
-
PDX
1 stop28h 37m
American Airlines
Deal found 6/9$612
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Sun 8/1611:34 pm
PDX
-
ALO
1 stop22h 48m
American Airlines
Sat 8/225:00 am
ALO
-
PDX
1 stop15h 00m
American Airlines
Deal found 6/9$631
This American Airlines deal was found by Cheapflights users on 6/9. 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 8/1111:34 pm
PDX
-
ALO
1 stop22h 48m
American Airlines
Sun 8/163:23 pm
ALO
-
PDX
2 stops24h 29m
American Airlines
Deal found 6/9$637

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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$518
(American Airlines)
Provider with most accurate pricing for Portland-Waterloo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Waterloo flights.
Search Deals
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 June 11, 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

Sun 7/5

11:43 am-12:29 am

1 stop10h 46m

Waterloo

Sun 7/12

3:25 pm-10:36 am

1 stop21h 11m

$564

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Fri 8/14

11:34 pm-12:22 am

1 stop22h 48m

Waterloo

Mon 8/17

3:23 pm-6:00 pm

1 stop28h 37m

$576

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Thu 8/13

3:00 pm-2:52 pm

2 stops21h 52m

Waterloo

Wed 8/19

3:23 pm-11:59 pm

1 stop10h 36m

$611

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Wed 8/12

11:34 pm-12:22 am

1 stop22h 48m

Waterloo

Wed 8/19

3:23 pm-1:52 pm

2 stops24h 29m

$611

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Sat 8/15

5:59 am-12:22 am

1 stop16h 23m

Waterloo

Sun 8/16

3:23 pm-11:34 am

1 stop22h 11m

$642

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Tue 7/7

1:45 pm-12:29 am

1 stop8h 44m

Waterloo

Mon 7/13

5:06 am-4:38 pm

2 stops13h 32m

$682

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Mon 8/17

11:58 am-12:22 am

2 stops10h 24m

Waterloo

Tue 8/18

5:00 am-11:34 am

1 stop8h 34m

$1,037
Quickest round-trip

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Sun 8/16

5:59 am-2:52 pm

1 stop6h 53m

Waterloo

Tue 8/18

5:00 am-1:52 pm

2 stops10h 52m

$1,052

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

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 $564, American Airlines can have you in Waterloo, Iowa from Portland in 10h 46m. 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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