How long is the flight from Seattle to Waterloo, Iowa?

A quick flight from Seattle to Waterloo, Iowa can take about 6h 27m. American Airlines provides one of the quickest options available for as low as $394. Seattle and Waterloo, Iowa are separated by a distance of 1489 mi.

What is the cheapest airline to fly from Seattle to Waterloo, Iowa round-trip?

Cheapflights users have booked flights from Seattle to Waterloo, Iowa round-trip from $399.

What is the cheapest day to fly from Seattle to Waterloo, Iowa?

Travelers seeking maximum savings on their Seattle to Waterloo, Iowa flight should consider departing on Friday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What is the cheapest day to fly round-trip from Seattle to Waterloo, Iowa?

Users have found that flying from Seattle to Waterloo, Iowa on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest time of day to fly from SEA to ALO?

Unlike in the morning, when flights are generally more expensive, you can save up to 22% on flights from Seattle to Waterloo, Iowa by exploring options for tickets at noon.

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

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

How can I find direct flights from Seattle to Waterloo?

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

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

Yes. Cheapflights offers flight deals from Seattle 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.

$394+ Cheap Flights from Seattle to Waterloo, IA

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Cheap flight deals from Seattle to Waterloo

Round-trip from	$394 (American Airlines)

From Seattle/Tacoma Intl to Waterloo

Search Deals

Find flight deals from Seattle to Waterloo

Cheapest flights from Seattle to Waterloo
Explore the most affordable flight options available from Seattle to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Sat 11/110:39 amSEA - ALO

1 stop9h 18mAmerican Airlines

Sat 12/275:50 amALO - SEA

1 stop10h 12mAmerican Airlines

Deal found 9/10

$740

Best flights from Seattle to Waterloo
Discover carefully curated flight deals from Seattle to Waterloo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Tue 3/31:34 pmSEA - ALO

1 stop6h 27mAmerican Airlines

Sat 3/76:00 amALO - SEA

1 stop8h 28mAmerican Airlines

Deal found 9/9

$394

Sat 11/110:39 amSEA - ALO

1 stop9h 18mAmerican Airlines

Sat 12/275:50 amALO - SEA

1 stop10h 12mAmerican Airlines

Deal found 9/10

$740

Last-minute flights from Seattle to Waterloo
Discover last-minute flight deals from Seattle to Waterloo. Data last updated September 11, 2025 and is based on user searches.

Fri 10/3112:34 amSEA - ALO

1 stop12h 21mAmerican Airlines

Sat 12/273:12 pmALO - SEA

1 stop20h 50mAmerican Airlines

Deal found 9/10

$947

Fly from

Fly to

Route

Depart

Return

Price

SeattleWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Tue 3/3

1:34 pm-10:01 pm

1 stop6h 27m

Waterloo

Sat 3/7

6:00 am-12:28 pm

1 stop8h 28m

$394

SeattleWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Sat 11/1

10:39 am-9:57 pm

1 stop9h 18m

Waterloo

Sat 12/27

5:50 am-2:02 pm

1 stop10h 12m

$740

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from Seattle to Waterloo

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

Reviews of airlines servicing Waterloo

Read reviews from past customers who have flown American Airlines from Seattle to Waterloo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

How long is the flight from Seattle to Waterloo, Iowa?
A quick flight from Seattle to Waterloo, Iowa can take about 6h 27m. American Airlines provides one of the quickest options available for as low as $394. Seattle and Waterloo, Iowa are separated by a distance of 1489 mi.
What is the cheapest airline to fly from Seattle to Waterloo, Iowa round-trip?
Cheapflights users have booked flights from Seattle to Waterloo, Iowa round-trip from $399.
Can I find deals for flights from Seattle to Waterloo that include hotel bookings?
Yes. In addition to deals on Seattle to Waterloo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Waterloo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Waterloo.
Can I find deals for business class flights from Seattle to Waterloo?
Yes. Cheapflights offers flight deals from Seattle 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.

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Top airline flying from Seattle to Waterloo

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$399	Average$538	FlexibilityNo cancel fee	On-time71%

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$394+ Cheap flights from Seattle to Waterloo, IA (SEA - 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Waterloo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Seattle to Waterloo

Round-trip from

Find flight deals from Seattle to Waterloo

Cheapest flights from Seattle to WaterlooExplore the most affordable flight options available from Seattle to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Explore the most affordable flight options available from Seattle to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Waterloo that are best for you.

Best time to book a flight from Seattle to Waterloo

Have a flexible travel schedule? Discover the best time to fly to Waterloo from Seattle with our price prediction graph.

Reviews of airlines servicing Waterloo

Read reviews from past customers who have flown American Airlines from Seattle to Waterloo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from Seattle to Waterloo, Iowa?

What is the cheapest airline to fly from Seattle to Waterloo, Iowa round-trip?

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

How can I find direct flights from Seattle to Waterloo?

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

Traveling to a place near Waterloo?

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Alternative routes for Seattle to Waterloo

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Top airline flying from Seattle to Waterloo

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Cheapest flights from Seattle to Waterloo
Explore the most affordable flight options available from Seattle to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.