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$439+ Cheap flights from Waterloo, IA (ALO) to Washington

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — SEA
Jun 19 — Jun 261
Thu 6/19
Thu 6/26
1 adult, Economy
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Cheap flight deals from Waterloo to Washington

Keep the following information in mind while searching for Waterloo to Washington flight deals. Data was last updated June 14, 2025.

Round-trip from

$439
(American Airlines)
From Waterloo to Washington
Search Deals

Find flight deals from Waterloo to Washington

Cheapest flights from Waterloo to Washington
Explore the most affordable flight options available from Waterloo to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2025.

This American Airlines deal was found by Cheapflights users on 6/13. 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 10/73:06 pmALO - PDX
1 stop9h 58mAmerican Airlines
Wed 10/151:15 pmPDX - ALO
1 stop8h 13mAmerican Airlines
Deal found 6/13$439
This American Airlines deal was found by Cheapflights users on 6/13. 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 6/283:00 pmALO - SEA
1 stop7h 03mAmerican Airlines
Wed 7/210:54 amSEA - ALO
1 stop9h 25mAmerican Airlines
Deal found 6/13$457

Cheapflights Fare Finder

Customize your flight search to find flights from Waterloo to Washington 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 14, 2025.
Use the filters below to find and compare flights from Waterloo to Washington that are best for you.

Fly from

Waterloo

Fly to

Washington

Route

Depart

Return

Price

WaterlooPortland

ALO - PDX

ALOPDX

Waterloo

Tue 10/7

3:06 pm-11:04 pm

1 stop9h 58m

Portland

Wed 10/15

1:15 pm-11:28 pm

1 stop8h 13m

$439

WaterlooSeattle

ALO - SEA

ALOSEA

Waterloo

Sat 6/28

3:00 pm-8:03 pm

1 stop7h 03m

Seattle/Tacoma Intl

Wed 7/2

10:54 am-10:19 pm

1 stop9h 25m

$457

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Best time to book a flight from Waterloo to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Waterloo 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 Waterloo to Washington

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

Currently, January is the cheapest month in which you can book a flight from Waterloo, Iowa to State of Washington (average of $238). Flying from Waterloo, Iowa to State of Washington in July is currently the most expensive (average of $391). 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.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated June 14, 2025.
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Food

6.5

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Food

6.5

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

Related info for your journey

Find useful and relevant information for your journey from Waterloo to Washington. 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 from for flights from Waterloo to Washington?

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

  • What are the most popular routes from Waterloo, Iowa to State of Washington?

    Most travelers choose Waterloo - Seattle/Tacoma Intl, Waterloo - Portland or Waterloo - Walla Walla when deciding on the best route from Waterloo, Iowa to State of Washington.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Waterloo to Washington 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 Waterloo, Iowa to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Waterloo, Iowa to State of Washington (average of $238). Flying from Waterloo, Iowa to State of Washington in July is currently the most expensive (average of $391). 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

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Alternative routes for Waterloo to Washington

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Top airline flying from Waterloo to Washington

Discover the top airline that operate flights from Waterloo to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$422Average$524FlexibilityNo cancel feeOn-time71%

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