$509+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ALO
Dec 10 — Dec 171
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Waterloo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Waterloo
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Best
Last-minute
Cheapest flights from Portland to WaterlooExplore 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 November 10, 2026.
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 November 10, 2026.
This American Airlines deal was found by Cheapflights users on 11/7. 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.
Sat 12/51:30 pm -
1 stop8h 44m
Sat 12/125:34 am -
1 stop9h 03m
Deal found 11/7![American Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Mon 12/71:30 pm -
1 stop8h 44m
Mon 12/145:34 am -
1 stop9h 03m
Deal found 11/9![American Airlines logo]()
$566
This American Airlines deal was found by Cheapflights users on 11/10. 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 11/131:22 pm -
1 stop8h 16m
Mon 11/166:04 am -
1 stop8h 24m
Deal found 11/10![American Airlines logo]()
$614
This American Airlines deal was found by Cheapflights users on 11/7. 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.
Wed 12/2311:31 pm -
1 stop22h 28m
Mon 12/287:04 am -
1 stop19h 05m
Deal found 11/7![American Airlines logo]()
$720
This American Airlines deal was found by Cheapflights users on 11/7. 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.
Wed 11/181:22 pm -
1 stop8h 16m
Sat 11/215:56 am -
1 stop18h 14m
Deal found 11/7![American Airlines logo]()
$870
Best flights from Portland to WaterlooDiscover carefully curated flight deals from Portland to Waterloo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
Discover carefully curated flight deals from Portland to Waterloo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
This American Airlines deal was found by Cheapflights users on 11/7. 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.
Sat 12/51:30 pm -
1 stop8h 44m
Sat 12/125:34 am -
1 stop9h 03m
Deal found 11/7![American Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Mon 12/71:30 pm -
1 stop8h 44m
Mon 12/145:34 am -
1 stop9h 03m
Deal found 11/9![American Airlines logo]()
$566
This American Airlines deal was found by Cheapflights users on 11/7. 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.
Wed 12/2311:59 pm -
2 stops13h 50m
Mon 12/287:04 am -
1 stop19h 05m
Deal found 11/7![American Airlines logo]()
$795
Last-minute flights from Portland to WaterlooDiscover last-minute flight deals from Portland to Waterloo. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Waterloo. Data last updated November 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 11/10. 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 11/131:22 pm -
1 stop8h 16m
Mon 11/166:04 am -
1 stop8h 24m
Deal found 11/10![American Airlines logo]()
$614
This American Airlines deal was found by Cheapflights users on 11/7. 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.
Wed 11/181:22 pm -
1 stop8h 16m
Sat 11/215:56 am -
1 stop18h 14m
Deal found 11/7![American Airlines logo]()
$870
This American Airlines deal was found by Cheapflights users on 11/7. 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.
Sat 12/51:30 pm -
1 stop8h 44m
Sat 12/125:34 am -
1 stop9h 03m
Deal found 11/7![American Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Mon 12/71:30 pm -
1 stop8h 44m
Mon 12/145:34 am -
1 stop9h 03m
Deal found 11/9![American Airlines logo]()
$566
This American Airlines deal was found by Cheapflights users on 11/7. 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.
Wed 12/2311:31 pm -
1 stop22h 28m
Mon 12/287:04 am -
1 stop19h 05m
Deal found 11/7![American Airlines logo]()
$720
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 November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $509 (American Airlines) |
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 7,457,451 searches. Data last updated November 10, 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
Cheapest round-trip
Quickest round-trip
PortlandWaterloo
PDX Portland - ALO Waterloo
PDXALO
Portland
Sat 12/5
1:30 pm-12:14 am
1 stop8h 44m
Waterloo
Sat 12/12
5:34 am-12:37 pm
1 stop9h 03m
$509
PortlandWaterloo
PDX Portland - ALO Waterloo
PDXALO
Portland
Mon 12/7
1:30 pm-12:14 am
1 stop8h 44m
Waterloo
Mon 12/14
5:34 am-12:37 pm
1 stop9h 03m
$566
PortlandWaterloo
PDX Portland - ALO Waterloo
PDXALO
Portland
Wed 12/23
11:59 pm-3:49 pm
2 stops13h 50m
Waterloo
Mon 12/28
7:04 am-12:09 am
1 stop19h 05m
$795
Sorted by cheapest first
Compare providers for flights from Portland to Waterloo
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Waterloo in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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.
PDX-ALO
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.
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