HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Waterloo

$551+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ALO
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/28. 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 8/811:59 pm
PDX
-
ALO
2 stops12h 42m
American Airlines
Tue 8/253:13 pm
ALO
-
PDX
2 stops10h 46m
American Airlines
Deal found 1/28$551
This American Airlines deal was found by Cheapflights users on 1/28. 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 8/46:00 am
PDX
-
ALO
2 stops15h 59m
American Airlines
Tue 8/253:13 pm
ALO
-
PDX
2 stops10h 46m
American Airlines
Deal found 1/28$573
This American Airlines deal was found by Cheapflights users on 1/28. 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 8/811:59 pm
PDX
-
ALO
2 stops12h 42m
American Airlines
Fri 8/283:13 pm
ALO
-
PDX
2 stops10h 46m
American Airlines
Deal found 1/28$586
This American Airlines deal was found by Cheapflights users on 1/28. 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 8/46:00 am
PDX
-
ALO
2 stops15h 59m
American Airlines
Fri 8/283:13 pm
ALO
-
PDX
2 stops10h 46m
American Airlines
Deal found 1/28$608
This American Airlines deal was found by Cheapflights users on 1/28. 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 8/71:20 pm
PDX
-
ALO
1 stop8h 12m
American Airlines
Tue 8/253:13 pm
ALO
-
PDX
2 stops10h 46m
American Airlines
Deal found 1/28$642
This American Airlines deal was found by Cheapflights users on 1/28. 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 8/811:59 pm
PDX
-
ALO
2 stops12h 42m
American Airlines
Mon 8/246:00 am
ALO
-
PDX
2 stops10h 20m
American Airlines
Deal found 1/28$646
This American Airlines deal was found by Cheapflights users on 1/28. 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 8/107:40 am
PDX
-
ALO
2 stops13h 52m
American Airlines
Sat 8/226:00 am
ALO
-
PDX
2 stops12h 50m
American Airlines
Deal found 1/28$647
This American Airlines deal was found by Cheapflights users on 1/28. 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 8/811:59 pm
PDX
-
ALO
2 stops12h 42m
American Airlines
Wed 8/266:00 am
ALO
-
PDX
2 stops17h 14m
American Airlines
Deal found 1/28$655
This American Airlines deal was found by Cheapflights users on 1/28. 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 8/46:00 am
PDX
-
ALO
2 stops15h 59m
American Airlines
Wed 8/266:00 am
ALO
-
PDX
2 stops17h 14m
American Airlines
Deal found 1/28$657
This American Airlines deal was found by Cheapflights users on 1/28. 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 8/811:59 pm
PDX
-
ALO
2 stops12h 42m
American Airlines
Sun 8/236:00 am
ALO
-
PDX
2 stops10h 20m
American Airlines
Deal found 1/28$666

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars
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

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

What is the cheapest month to book a flight from State of Washington to Waterloo, Iowa?

Currently, April is the cheapest month in which you can book a flight from State of Washington to Waterloo, Iowa (average of $113). Flying from State of Washington to Waterloo, Iowa in December is currently the most expensive (average of $294). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

  • 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.

  • What is the cheapest month to book a flight from State of Washington to Waterloo, Iowa?

    Currently, April is the cheapest month in which you can book a flight from State of Washington to Waterloo, Iowa (average of $113). Flying from State of Washington to Waterloo, Iowa in December is currently the most expensive (average of $294). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.
Denver to Cedar Rapids flights
Atlanta to Omaha flights
Denver to Omaha flights
LaGuardia to Omaha flights
Dallas/Fort Worth to Des Moines flights
Los Angeles to Omaha flights
Denver to Des Moines flights
San Francisco to Omaha flights
Detroit to Omaha flights
John F Kennedy Intl to Omaha flights
Sky Harbor Intl to Omaha flights
O'Hare Intl to Omaha flights
Dallas/Fort Worth to Omaha flights
Reagan-National to Omaha flights
Newark to Omaha flights
O'Hare Intl to Des Moines flights
John F Kennedy Intl to Des Moines flights
Newark to Des Moines flights
Hobby to Omaha flights
LaGuardia to Des Moines flights
Dulles Intl to Omaha flights
Seattle to Omaha flights
George Bush Intcntl to Omaha flights
Dulles Intl to Cedar Rapids flights
Orlando to Omaha flights
Sky Harbor Intl to Des Moines flights
Salt Lake City to Omaha flights
Denver to Moline flights
Seattle to Cedar Rapids flights
Seattle to Des Moines flights
Ontario to Omaha flights
Santa Ana to Cedar Rapids flights
Cleveland to Des Moines flights
Baltimore to Omaha flights
Portland to Omaha flights
Dulles Intl to Des Moines flights
Baltimore to Cedar Rapids flights
Reagan-National to Cedar Rapids flights
Reagan-National to Des Moines flights
Los Angeles to Des Moines flights
Minneapolis to Omaha flights
Austin to Omaha flights
Hobby to Des Moines flights
Orlando to Des Moines flights
Atlanta to Cedar Rapids flights
Boston to Omaha flights
Santa Ana to Omaha flights
Sky Harbor Intl to Cedar Rapids flights
Ontario to Cedar Rapids flights
Salt Lake City 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.