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

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

In terms of precipitation, rainfall in Seattle 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 Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, 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).

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

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Seattle. Check prices with Cheapflights to find a great deal for your trip.

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

When flying from Waterloo, Iowa to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from Waterloo to Seattle?

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

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

Yes. Cheapflights offers flight deals from Waterloo to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$369+ Flights from Waterloo, IA to Seattle

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Cheapest flights from Waterloo to Seattle
Explore the most affordable flight options available from Waterloo to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Sat 11/156:00 amALO - SEA

1 stop9h 54mAmerican Airlines

Tue 11/189:00 amSEA - ALO

1 stop8h 57mAmerican Airlines

Deal found 7/26

$369

One-way flights from Waterloo to Seattle
Search for one-way flight options from Waterloo to Seattle. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Fri 8/16:00 amALO - SEA

1 stop8h 24mAmerican Airlines

Deal found 7/27

$454

Fly from

Fly to

Route

Depart

Return

Price

WaterlooSeattle

ALO - SEA

ALOSEA

Waterloo

Fri 8/1

6:00 am-12:24 pm

1 stop8h 24m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Waterloo to Seattle

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

What is the cheapest month to book a flight from Waterloo, Iowa to Seattle?

Currently, January is the cheapest month in which you can book a flight from Waterloo, Iowa to Seattle (average of $238). Flying from Waterloo, Iowa to Seattle in June is currently the most expensive (average of $389). 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.

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with American Airlines from Waterloo to Seattle to help guide your decision. Users have also rated airlines 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

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

Reviews

1 / 20

2.0

Mediocre

Andrew,May 2025

LAX - MIA

Related info for your journey

Can I find deals for flights from Waterloo to Seattle that include hotel bookings?
Yes. In addition to deals on Waterloo to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Waterloo to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Waterloo to Seattle.
Can I find deals for business class flights from Waterloo to Seattle?
Yes. Cheapflights offers flight deals from Waterloo to Seattle 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 Seattle?
Currently, January is the cheapest month in which you can book a flight from Waterloo, Iowa to Seattle (average of $238). Flying from Waterloo, Iowa to Seattle in June is currently the most expensive (average of $389). 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.

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Other flights to Seattle

Top airline flying from Waterloo to Seattle

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$288	Average$466	FlexibilityNo cancel fee	On-time71%

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$369+ Cheap flights from Waterloo, IA to Seattle (ALO - SEA)

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Waterloo to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Waterloo to Seattle

Cheapest flights from Waterloo to SeattleExplore the most affordable flight options available from Waterloo to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Waterloo to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Waterloo to Seattle

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

Cheapflights Insights

Everything you need to know about your flight from Waterloo to Seattle

What is the cheapest month to book a flight from Waterloo, Iowa to Seattle?

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with American Airlines from Waterloo to Seattle to help guide your decision. Users have also rated airlines 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 Waterloo to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How can I find direct flights from Waterloo to Seattle?

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

What is the cheapest month to book a flight from Waterloo, Iowa to Seattle?

Traveling to a place near Seattle?

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Alternative routes for Waterloo to Seattle

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Top airline flying from Waterloo to Seattle

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Travel Smart

Cheapest flights from Waterloo to Seattle
Explore the most affordable flight options available from Waterloo to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.