HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Waterloo

$478+ Cheap flights from Washington to Waterloo, IA (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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ALO
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington 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 Washington to Waterloo

Cheapest flights from Washington to Waterloo
Explore the most affordable flight options available from Washington to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 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.
Wed 7/86:00 am
SEA
-
ALO
1 stop6h 53m
American Airlines
Tue 7/145:06 am
ALO
-
SEA
1 stop10h 13m
American Airlines
Deal found 6/8$478
This American Airlines deal was found by Cheapflights users on 6/5. 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 7/33:28 pm
SEA
-
ALO
1 stop7h 01m
American Airlines
Fri 7/103:26 pm
ALO
-
SEA
1 stop7h 11m
American Airlines
Deal found 6/5$510
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 6/5. 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 10/111:08 pm
PDX
-
ALO
1 stop22h 51m
American Airlines
Thu 10/156:04 am
ALO
-
PDX
1 stop18h 55m
American Airlines
Deal found 6/5$529
This American Airlines deal was found by Cheapflights users on 6/5. 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 6/101:58 pm
SEA
-
ALO
1 stop8h 23m
American Airlines
Wed 6/173:00 pm
ALO
-
SEA
1 stop7h 39m
American Airlines
Deal found 6/5$564
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 6/4. 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 6/1910:27 am
SEA
-
ALO
1 stop11h 54m
American Airlines
Tue 6/235:00 am
ALO
-
SEA
1 stop10h 08m
American Airlines
Deal found 6/4$588
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.
Fri 6/266:00 am
SEA
-
ALO
1 stop16h 21m
American Airlines
Sun 6/285:00 am
ALO
-
SEA
1 stop21h 41m
American Airlines
Deal found 6/8$596
This American Airlines deal was found by Cheapflights users on 6/4. 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 6/1911:20 am
PDX
-
ALO
1 stop11h 01m
American Airlines
Tue 6/235:00 am
ALO
-
PDX
1 stop11h 38m
American Airlines
Deal found 6/4$618
This American Airlines deal was found by Cheapflights users on 6/6. 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 12/152:46 pm
SEA
-
ALO
1 stop7h 05m
American Airlines
Thu 12/243:12 pm
ALO
-
SEA
1 stop10h 00m
American Airlines
Deal found 6/6$637
This American Airlines deal was found by Cheapflights users on 6/6. 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 12/152:46 pm
SEA
-
ALO
1 stop7h 05m
American Airlines
Fri 12/255:50 am
ALO
-
SEA
1 stop10h 12m
American Airlines
Deal found 6/6$656
This American Airlines deal was found by Cheapflights users on 6/6. 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 12/162:46 pm
SEA
-
ALO
1 stop7h 05m
American Airlines
Thu 12/243:12 pm
ALO
-
SEA
1 stop10h 00m
American Airlines
Deal found 6/6$680

Find flight deals from Washington to Waterloo

Keep the following information in mind while searching for Washington to Waterloo flight deals. Data was last updated June 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$478
(American Airlines)
Provider with most accurate pricing for Seattle/Tacoma Intl-Waterloo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Waterloo flights.
Search Deals
From Washington to Waterloo
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 9, 2026.
Use the filters below to find and compare flights from Washington to Waterloo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Wed 7/8

6:00 am-2:53 pm

1 stop6h 53m

Waterloo

Tue 7/14

5:06 am-1:19 pm

1 stop10h 13m

$478
Quickest round-trip

SeattleWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Fri 7/3

3:28 pm-12:29 am

1 stop7h 01m

Waterloo

Fri 7/10

3:26 pm-8:37 pm

1 stop7h 11m

$510

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Tue 7/7

11:15 pm-2:53 pm

1 stop13h 38m

Waterloo

Mon 7/13

3:23 pm-10:36 am

1 stop21h 13m

$518

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Thu 10/1

11:08 pm-11:59 pm

1 stop22h 51m

Waterloo

Thu 10/15

6:04 am-10:59 pm

1 stop18h 55m

$529

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

SeattleWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Fri 6/19

10:27 am-12:21 am

1 stop11h 54m

Waterloo

Tue 6/23

5:00 am-1:08 pm

1 stop10h 08m

$588

SeattleWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Fri 6/26

6:00 am-12:21 am

1 stop16h 21m

Waterloo

Sun 6/28

5:00 am-12:41 am

1 stop21h 41m

$596

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Fri 6/19

11:20 am-12:21 am

1 stop11h 01m

Waterloo

Tue 6/23

5:00 am-2:38 pm

1 stop11h 38m

$618

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Sun 7/26

6:07 am-2:53 pm

1 stop6h 46m

Waterloo

Fri 7/31

3:26 pm-10:49 am

1 stop21h 23m

$706

SeattleWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Sun 7/26

10:22 am-12:29 am

2 stops12h 07m

Waterloo

Fri 7/31

3:26 pm-9:24 am

1 stop19h 58m

$881

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Sorted by cheapest first

Best time to book a flight from Washington to Waterloo

Have a flexible travel schedule? Discover the best time to fly to Waterloo from Washington 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 Washington to Waterloo
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Washington to Waterloo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Waterloo from Washington?

    Most people fly into Waterloo (ALO) if they book a flight to Waterloo from Washington. Waterloo is conveniently located just 5.3 mi from Waterloo’s city center.

  • How long is the flight from State of Washington to Waterloo, Iowa?

    American Airlines can get you from State of Washington to Waterloo, Iowa in just under 6h 53m. Your travel time can differ by up to . The distance from State of Washington to Waterloo, Iowa is about 1489 mi.

  • Can I find deals for flights from Washington to Waterloo that include hotel bookings?

    Yes. In addition to deals on Washington to Waterloo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Waterloo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Waterloo.

  • Can I find deals for business class flights from Washington to Waterloo?

    Yes. Cheapflights offers flight deals from Washington 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?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Waterloo

See prices for flight routes from nearby airports that may be better suited for you.
Atlanta to Omaha flights
Reagan-National to Omaha flights
Dallas/Fort Worth to Omaha flights
O'Hare Intl to Omaha flights
Charlotte to Omaha flights
Dulles Intl to Omaha flights
Pittsburgh to Omaha flights
Denver to Omaha flights
Hobby to Omaha flights
Raleigh to Omaha flights
Charleston to Omaha flights
LaGuardia to Omaha flights
Baltimore to Omaha flights
Denver to Des Moines flights
Los Angeles to Omaha flights
Memphis to Omaha flights
George Bush Intcntl to Omaha flights
Nashville to Omaha flights
Columbus to Omaha flights
Seattle to Omaha flights
Birmingham to Omaha flights
New Orleans to Omaha flights
George Bush Intcntl to Des Moines flights
Newark to Omaha flights
Orlando to Omaha flights
John F Kennedy Intl to Omaha flights
Hobby to Des Moines flights
Austin to Omaha flights
Denver to Cedar Rapids flights
Philadelphia to Omaha flights
Dallas/Fort Worth to Des Moines flights
Sky Harbor Intl to Omaha flights
Love Field to Omaha flights
Midway to Omaha flights
Boston to Omaha flights
Reagan-National to Des Moines flights
Dulles Intl to Des Moines flights
San Francisco to Omaha flights
Jackson to Omaha flights
Sky Harbor Intl to Des Moines flights
John F Kennedy Intl to Des Moines flights
LaGuardia to Des Moines flights
Atlanta to Des Moines flights
Portland to Omaha flights
Los Angeles to Des Moines flights
O'Hare Intl to Des Moines flights
Baltimore to Cedar Rapids flights
Greensboro to Omaha flights
Baltimore to Des Moines flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.