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$498+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ALO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 12, 2025.

Round-trip from

$498
(American Airlines)
From Washington to Waterloo
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Find 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 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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 6/256:24 amSEA - ALO
1 stop6h 39mAmerican Airlines
Sun 6/293:00 pmALO - SEA
1 stop7h 03mAmerican Airlines
Deal found 6/10$498
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/312:40 pmPDX - ALO
1 stop8h 49mAmerican Airlines
Mon 8/186:00 amALO - PDX
2 stops10h 21mAmerican Airlines
Deal found 6/11$498

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 12, 2025.
Use the filters below to find and compare flights from Washington to Waterloo that are best for you.

Fly from

Washington

Fly to

Waterloo

Route

Depart

Return

Price

SeattleWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Wed 6/25

6:24 am-3:03 pm

1 stop6h 39m

Waterloo

Sun 6/29

3:00 pm-8:03 pm

1 stop7h 03m

$498

PortlandWaterloo

PDX - ALO

PDXALO

Portland

Sun 8/3

12:40 pm-11:29 pm

1 stop8h 49m

Waterloo

Mon 8/18

6:00 am-2:21 pm

2 stops10h 21m

$498

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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

Rainfall in Waterloo by month

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

In terms of precipitation, rainfall in Waterloo, Iowa ranges from 0.8 - 5.0 inches per month. June is typically the wettest month, when rainfall can reach 5.0 in. January is typically the driest time to visit Waterloo, Iowa when rainfall is around 0.8 in.

Temperature in Waterloo by month

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

If weather is an important factor for your trip to Waterloo, Iowa, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 19.4 F).

Reviews of airlines servicing Waterloo

Get insights into the airlines that provide service to Waterloo. 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 Waterloo. Reviews last updated June 12, 2025.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Food

6.5

Crew

8.0

Comfort

7.2

Overall

7.2

Entertainment

6.9

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

Boarding

7.5

Food

6.5

Crew

8.0

Comfort

7.2

Overall

7.2

Entertainment

6.9

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 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.

See more FAQs

Traveling to a place near Washington?

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

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Top airline flying from Washington to Waterloo

Discover the top airline that operate flights from Washington to Waterloo. 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$421Average$538FlexibilityNo cancel feeOn-time71%

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