Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Washington to Waterloo from $315

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Waterloo departing on 4/8. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington to Waterloo

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:19 pm - 11:49 pm
SEA
-
ALO
8h 30m
1 stop
American Airlines Logo
5:40 am - 12:29 pm
ALO
-
SEA
8h 49m
1 stop
$315American Airlines
Wed, Apr 8 - Wed, Apr 15
American Airlines Logo
1:19 pm - 11:49 pm
SEA
-
ALO
8h 30m
1 stop
American Airlines Logo
5:40 am - 3:51 pm
ALO
-
SEA
12h 11m
2 stops
$421American Airlines
Wed, Apr 8 - Wed, Apr 15
American Airlines Logo
12:59 am - 1:50 pm
SEA
-
ALO
10h 51m
2 stops
American Airlines Logo
2:20 pm - 10:58 pm
ALO
-
SEA
10h 38m
2 stops
$527American Airlines
Tue, Apr 7 - Wed, Apr 15
American Airlines Logo
11:59 pm - 2:40 pm
PDX
-
ALO
12h 41m
2 stops
American Airlines Logo
5:20 am - 10:48 am
ALO
-
PDX
7h 28m
1 stop
$538American Airlines
Tue, Mar 24 - Tue, Mar 31
American Airlines Logo
11:59 pm - 2:40 pm
PDX
-
ALO
12h 41m
2 stops
American Airlines Logo
5:20 am - 10:56 am
ALO
-
PDX
7h 36m
1 stop
$544American Airlines
Sun, Mar 8 - Sun, Mar 15
American Airlines Logo
11:59 pm - 11:53 pm
PDX
-
ALO
21h 54m
1 stop
American Airlines Logo
5:20 am - 12:20 am
ALO
-
PDX
21h 00m
1 stop
$569American Airlines
Tue, Mar 24 - Tue, Mar 31
American Airlines Logo
1:37 pm - 11:53 pm
SEA
-
ALO
8h 16m
1 stop
American Airlines Logo
5:20 am - 12:47 pm
ALO
-
SEA
9h 27m
1 stop
$589American Airlines
Fri, Mar 6 - Fri, Mar 13
American Airlines Logo
11:59 pm - 2:40 pm
PDX
-
ALO
12h 41m
2 stops
American Airlines Logo
5:20 am - 5:08 pm
ALO
-
PDX
13h 48m
2 stops
$625American Airlines
Tue, Mar 24 - Tue, Mar 31
American Airlines Logo
12:59 am - 2:45 pm
SEA
-
ALO
11h 46m
2 stops
American Airlines Logo
5:20 am - 12:47 pm
ALO
-
SEA
9h 27m
1 stop
$731American Airlines
Thu, Mar 5 - Fri, Mar 13
American Airlines Logo
11:59 pm - 2:40 pm
PDX
-
ALO
12h 41m
1 stop
American Airlines Logo
3:10 pm - 12:15 am
ALO
-
PDX
11h 05m
1 stop
$769American Airlines
Sun, Mar 8 - Sun, Mar 15

American Airlines flights from State of Washington to Waterloo, Iowa

Our best American Airlines deals on State of Washington to Waterloo, Iowa flight tickets
American Airlines
Apr 8
SEA1:19 pmSeattle/Tacoma Intl
8h 30m
1 stop
ALO11:49 pmWaterloo
Apr 15
ALO5:40 amWaterloo
8h 49m
1 stop
SEA12:29 pmSeattle/Tacoma Intl
$315
American Airlines
Apr 8
SEA1:19 pmSeattle/Tacoma Intl
8h 30m
1 stop
ALO11:49 pmWaterloo
Apr 15
ALO5:40 amWaterloo
12h 11m
2 stops
SEA3:51 pmSeattle/Tacoma Intl
$421
American Airlines
Apr 7
SEA12:59 amSeattle/Tacoma Intl
10h 51m
2 stops
ALO1:50 pmWaterloo
Apr 15
ALO2:20 pmWaterloo
10h 38m
2 stops
SEA10:58 pmSeattle/Tacoma Intl
$527

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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 February 8, 2026.
Use the filters below to find and compare flights from Washington to Waterloo, Iowa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Wed 4/8

1:19 pm-11:49 pm

1 stop8h 30m

Waterloo

Wed 4/15

5:40 am-12:29 pm

1 stop8h 49m

$315

SeattleWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Wed 4/8

1:19 pm-11:49 pm

1 stop8h 30m

Waterloo

Wed 4/15

5:40 am-3:51 pm

2 stops12h 11m

$421

SeattleWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Tue 4/7

12:59 am-1:50 pm

2 stops10h 51m

Waterloo

Wed 4/15

2:20 pm-10:58 pm

2 stops10h 38m

$527

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Tue 3/24

11:59 pm-2:40 pm

2 stops12h 41m

Waterloo

Tue 3/31

5:20 am-10:48 am

1 stop7h 28m

$538

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Sun 3/8

11:59 pm-2:40 pm

2 stops12h 41m

Waterloo

Sun 3/15

5:20 am-10:56 am

1 stop7h 36m

$544

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Tue 3/24

11:59 pm-11:53 pm

1 stop21h 54m

Waterloo

Tue 3/31

5:20 am-12:20 am

1 stop21h 00m

$569

SeattleWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Fri 3/6

1:37 pm-11:53 pm

1 stop8h 16m

Waterloo

Fri 3/13

5:20 am-12:47 pm

1 stop9h 27m

$589

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Tue 3/24

11:59 pm-2:40 pm

2 stops12h 41m

Waterloo

Tue 3/31

5:20 am-5:08 pm

2 stops13h 48m

$625

SeattleWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Thu 3/5

12:59 am-2:45 pm

2 stops11h 46m

Waterloo

Fri 3/13

5:20 am-12:47 pm

1 stop9h 27m

$731

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Sun 3/8

11:59 pm-2:40 pm

1 stop12h 41m

Waterloo

Sun 3/15

3:10 pm-12:15 am

1 stop11h 05m

$769

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

See travel insights to Waterloo from

How to get the cheapest flight ticket from State of Washington 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 Washington to Waterloo?

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

What airlines fly to Waterloo, Iowa?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Waterloo, Iowa from State of Washington according to our data. United Airlines is the first choice among our users, with 34% 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.

Cheap State of Washington to Waterloo, Iowa flight deals and tips

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

Fastest flight time

8h 16m

Direct flights

None
The fastest flight from State of Washington to Waterloo, Iowa takes 8h 16m
There are no direct flights from State of Washington to Waterloo, Iowa. There are no popular flight routes from State of Washington to Waterloo, Iowa.
Search flight deals

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

    Prices for flights from Washington to Waterloo Airport were last updated today.

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

It is quick and easy to find Washington 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 Washington to Waterloo with flexible booking policies on momondo?

Yes. All flights to Waterloo from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

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

Price alerts on flights to Waterloo from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Waterloo, Iowa trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 3/10
Tue 3/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States