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Cheap flights from Portland to Waterloo from $363

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Waterloo departing on 6/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland to Waterloo

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:20 pm - 2:49 pm
PDX
-
ALO
13h 29m
1 stop
American Airlines Logo
3:19 pm - 11:39 am
ALO
-
PDX
22h 20m
1 stop
$518American Airlines
Thu, Aug 13 - Tue, Aug 18
American Airlines Logo
10:59 pm - 2:30 pm
PDX
-
ALO
13h 31m
1 stop
American Airlines Logo
5:00 am - 9:21 pm
ALO
-
PDX
18h 21m
1 stop
$533American Airlines
Wed, Jun 17 - Sat, Jun 20
American Airlines Logo
11:20 pm - 2:49 pm
PDX
-
ALO
13h 29m
1 stop
American Airlines Logo
5:00 am - 5:21 pm
ALO
-
PDX
14h 21m
2 stops
$538American Airlines
Thu, Aug 13 - Tue, Aug 18
American Airlines Logo
1:45 pm - 12:29 am
PDX
-
ALO
8h 44m
1 stop
American Airlines Logo
5:06 am - 10:36 am
ALO
-
PDX
7h 30m
1 stop
$562American Airlines
Thu, Jul 30 - Sun, Aug 2
American Airlines Logo
1:45 pm - 12:09 am
PDX
-
ALO
8h 24m
1 stop
American Airlines Logo
5:00 am - 10:04 am
ALO
-
PDX
7h 04m
1 stop
$568American Airlines
Tue, May 26 - Sat, May 30
American Airlines Logo
1:45 pm - 12:09 am
PDX
-
ALO
8h 24m
1 stop
American Airlines Logo
5:00 am - 12:55 pm
ALO
-
PDX
9h 55m
2 stops
$578American Airlines
Tue, May 26 - Sat, May 30
American Airlines Logo
11:43 pm - 2:32 pm
PDX
-
ALO
12h 49m
2 stops
American Airlines Logo
5:00 am - 12:41 pm
ALO
-
PDX
9h 41m
2 stops
$583American Airlines
Tue, May 26 - Sat, May 30
American Airlines Logo
1:45 pm - 12:21 am
PDX
-
ALO
8h 36m
1 stop
American Airlines Logo
5:00 am - 10:22 am
ALO
-
PDX
7h 22m
1 stop
$591American Airlines
Wed, Jun 17 - Sat, Jun 20
American Airlines Logo
11:59 pm - 2:49 pm
PDX
-
ALO
12h 50m
2 stops
American Airlines Logo
5:00 am - 1:52 pm
ALO
-
PDX
10h 52m
2 stops
$608American Airlines
Thu, Aug 13 - Tue, Aug 18
American Airlines Logo
10:59 pm - 2:30 pm
PDX
-
ALO
13h 31m
1 stop
American Airlines Logo
5:00 am - 4:42 pm
ALO
-
PDX
13h 42m
2 stops
$682American Airlines
Wed, Jun 17 - Sat, Jun 20

American Airlines flights from Portland to Waterloo, Iowa

Our best American Airlines deals on Portland to Waterloo, Iowa flight tickets
American Airlines
Aug 13
PDX11:20 pmPortland
13h 29m
1 stop
ALO2:49 pmWaterloo
Aug 18
ALO3:19 pmWaterloo
22h 20m
1 stop
PDX11:39 amPortland
$518
American Airlines
Jun 17
PDX10:59 pmPortland
13h 31m
1 stop
ALO2:30 pmWaterloo
Jun 20
ALO5:00 amWaterloo
18h 21m
1 stop
PDX9:21 pmPortland
$533
American Airlines
Aug 13
PDX11:20 pmPortland
13h 29m
1 stop
ALO2:49 pmWaterloo
Aug 18
ALO5:00 amWaterloo
14h 21m
2 stops
PDX5:21 pmPortland
$538

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Waterloo, Iowa 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, momondo users made 832,500 searches. Data last updated May 14, 2026.
Use the filters below to find and compare flights from Portland to Waterloo, Iowa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Thu 8/13

11:20 pm-2:49 pm

1 stop13h 29m

Waterloo

Tue 8/18

3:19 pm-11:39 am

1 stop22h 20m

$518

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Wed 6/17

10:59 pm-2:30 pm

1 stop13h 31m

Waterloo

Sat 6/20

5:00 am-9:21 pm

1 stop18h 21m

$533

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Thu 8/13

11:20 pm-2:49 pm

1 stop13h 29m

Waterloo

Tue 8/18

5:00 am-5:21 pm

2 stops14h 21m

$538

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Thu 7/30

1:45 pm-12:29 am

1 stop8h 44m

Waterloo

Sun 8/2

5:06 am-10:36 am

1 stop7h 30m

$562
Quickest round-trip

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Tue 5/26

1:45 pm-12:09 am

1 stop8h 24m

Waterloo

Sat 5/30

5:00 am-10:04 am

1 stop7h 04m

$568

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Tue 5/26

1:45 pm-12:09 am

1 stop8h 24m

Waterloo

Sat 5/30

5:00 am-12:55 pm

2 stops9h 55m

$578

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Tue 5/26

11:43 pm-2:32 pm

2 stops12h 49m

Waterloo

Sat 5/30

5:00 am-12:41 pm

2 stops9h 41m

$583

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Wed 6/17

1:45 pm-12:21 am

1 stop8h 36m

Waterloo

Sat 6/20

5:00 am-10:22 am

1 stop7h 22m

$591

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Thu 8/13

11:59 pm-2:49 pm

2 stops12h 50m

Waterloo

Tue 8/18

5:00 am-1:52 pm

2 stops10h 52m

$608

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Wed 6/17

10:59 pm-2:30 pm

1 stop13h 31m

Waterloo

Sat 6/20

5:00 am-4:42 pm

2 stops13h 42m

$682

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Waterloo from

How to get the cheapest flight ticket from Portland to Waterloo, Iowa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Portland to Waterloo?

American Airlines is the most popular carrier operating from Portland to Waterloo

What airlines fly to Waterloo, Iowa?

United Airlines, Allegiant Air and American Airlines are the top three most popular airlines that fly to Waterloo, Iowa from Portland according to our data. United Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Waterloo, Iowa. Keep in mind that there are 6 different airlines that fly to Waterloo, Iowa on a routine basis, so you have a few additional options to choose from.

When to book flights from Portland to Waterloo, Iowa

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Waterloo, Iowa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Waterloo, Iowa (PDX to ALO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Waterloo, Iowa

Fastest flight time

8h 24m

Direct flights

None
The fastest flight from Portland to Waterloo, Iowa takes 8h 24m
There are no direct flights from Portland to Waterloo, Iowa. There are no popular flight routes from Portland to Waterloo, Iowa.
Search flight deals

Frequently asked questions about flying from Portland to Waterloo, Iowa

  • How far is Portland to Waterloo by plane?

    Waterloo is 1511.6 mi away from Portland. A reasonable flight in good conditions will take 8h 24m.

  • When did momondo last update prices for flights from Portland Airport to Waterloo Airport?

    Prices for flights from Portland Airport to Waterloo Airport refresh daily.

  • How old do you have to be to fly from Portland Airport to Waterloo Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Waterloo Airport.

  • What documentation or ID do you need to fly to Waterloo Airport?

    The necessary travel and health documents for your Waterloo Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Waterloo?

Book flights to Waterloo if you plan to visit one of these locations
Cedar Falls
Iowa Falls

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Waterloo?

It is quick and easy to find Portland to Waterloo flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Waterloo that suits you.

Can I find flights from Portland to Waterloo with flexible booking policies on momondo?

momondo does allow users to show only those flights to Waterloo from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to Waterloo?

momondo provides multiple filters to help you find the best flight to Waterloo from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Waterloo right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Portland to Waterloo now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Waterloo and let you know when they change.

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