SEA - ALO
$509 Find Cheap Flights from Seattle to Waterloo - Compare and Save
This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Waterloo departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
Everything you should know
Cheapest round-trip
$509
Typical prices: $350-$350
American Airlines
Mon 11/5Thu 11/8
SEA - ALO • 1 stop
Cheapest one-way
$682
Typical prices: $403-$403
American Airlines
Tue 3/13
SEA - ALO • 1 stop
Flight Deals
Cheap Flights from Seattle to Waterloo (SEA-ALO)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Waterloo that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.
Recent round-trip flight deals from Seattle to Waterloo
Thu, Nov 5 - Sun, Nov 8
6:14 am - 11:38 pmSEA Seattle/Tacoma Intl-ALO Waterloo
15h 24m1 stop Chicago O'Hare Intl
3:43 pm - 9:39 amALO Waterloo-SEA Seattle/Tacoma Intl
19h 56m1 stop Chicago O'Hare Intl
$509American Airlines
Sat, Oct 31 - Sat, Nov 7
3:14 pm - 11:51 pmSEA Seattle/Tacoma Intl-ALO Waterloo
6h 37m1 stop Chicago O'Hare Intl
6:04 am - 2:20 pmALO Waterloo-SEA Seattle/Tacoma Intl
10h 16m1 stop Chicago O'Hare Intl
$545American Airlines
Sun, Nov 1 - Sun, Nov 8
3:10 pm - 11:38 pmSEA Seattle/Tacoma Intl-ALO Waterloo
6h 28m1 stop Chicago O'Hare Intl
6:04 am - 2:20 pmALO Waterloo-SEA Seattle/Tacoma Intl
10h 16m1 stop Chicago O'Hare Intl
$572American Airlines
Tue, Oct 13 - Sat, Oct 17
3:14 pm - 11:51 pmSEA Seattle/Tacoma Intl-ALO Waterloo
6h 37m1 stop Chicago O'Hare Intl
6:07 am - 2:17 pmALO Waterloo-SEA Seattle/Tacoma Intl
10h 10m1 stop Chicago O'Hare Intl
$582American Airlines
Tue, Dec 29 - Thu, Jan 7
12:47 am - 3:49 pmSEA Seattle/Tacoma Intl-ALO Waterloo
13h 02m2 stops Dallas/Fort Worth Chicago O'Hare Intl
3:47 pm - 12:43 amALO Waterloo-SEA Seattle/Tacoma Intl
10h 56m1 stop Chicago O'Hare Intl
$589American Airlines
Tue, Dec 29 - Sat, Jan 9
2:01 pm - 11:59 pmSEA Seattle/Tacoma Intl-ALO Waterloo
7h 58m1 stop Chicago O'Hare Intl
5:40 am - 1:49 pmALO Waterloo-SEA Seattle/Tacoma Intl
10h 09m1 stop Chicago O'Hare Intl
$618American Airlines
Tue, Dec 29 - Sun, Jan 10
2:01 pm - 11:59 pmSEA Seattle/Tacoma Intl-ALO Waterloo
7h 58m1 stop Chicago O'Hare Intl
5:40 am - 1:49 pmALO Waterloo-SEA Seattle/Tacoma Intl
10h 09m1 stop Chicago O'Hare Intl
$650American Airlines
Tue, Dec 29 - Wed, Jan 6
2:01 pm - 11:59 pmSEA Seattle/Tacoma Intl-ALO Waterloo
7h 58m1 stop Chicago O'Hare Intl
3:47 pm - 1:49 pmALO Waterloo-SEA Seattle/Tacoma Intl
24h 02m1 stop Chicago O'Hare Intl
$668American Airlines
Thu, Dec 31 - Thu, Jan 7
6:29 am - 11:59 pmSEA Seattle/Tacoma Intl-ALO Waterloo
15h 30m1 stop Chicago O'Hare Intl
3:47 pm - 12:43 amALO Waterloo-SEA Seattle/Tacoma Intl
10h 56m1 stop Chicago O'Hare Intl
$669American Airlines
Tue, Oct 13 - Sat, Oct 17
3:14 pm - 11:51 pmSEA Seattle/Tacoma Intl-ALO Waterloo
6h 37m1 stop Chicago O'Hare Intl
6:07 am - 2:52 pmALO Waterloo-SEA Seattle/Tacoma Intl
10h 45m2 stops Chicago O'Hare Intl Dallas/Fort Worth
$680American Airlines
Recent one-way flight deals from Seattle to Waterloo
Sat, Mar 13
6:12 am - 3:18 pmSEA Seattle/Tacoma Intl-ALO Waterloo
7h 06m1 stop Chicago O'Hare Intl
$682American Airlines
Fri, Mar 12
12:32 am - 3:18 pmSEA Seattle/Tacoma Intl-ALO Waterloo
12h 46m2 stops Dallas/Fort Worth Chicago O'Hare Intl
$854American Airlines
Booking Insights
Price, demand and travel trends for Seattle to Waterloo flights
Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.
Prices
Airlines
Layovers
How much is a round-trip flight from Seattle to Waterloo?
This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Seattle to Waterloo departing in november.
Round-trip flights from Seattle to Waterloo typically range from $350 to $350. The lowest price found in the past 5 days was $509, on American Airlines.
What is the cheapest layover airport when flying from Seattle to Waterloo?
Flights via Chicago O'Hare Intl (ORD) offer the most affordable fares, with an average round-trip price of $350. Based on KAYAK data over the past 3 months.
When flying from Seattle to Waterloo which airport offers the shortest layover?
Chicago O'Hare Intl (ORD) had the shortest average connection time for Seattle to Waterloo layovers at 3h 46m over the past 3 months.
Key details for Seattle to Waterloo flights
Cheapest flight | $509 |
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When to book flights from Seattle to Waterloo
Are your dates flexible? Find out the best times to travel from Seattle to Waterloo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
Your Seattle to Waterloo flight questions, answered
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More options for your flight from Seattle to Waterloo
Complete your trip to Waterloo with a hotel stay or car rental
Information on your arrival and departure airports
Cabin class types available on flights from Seattle to Waterloo
Cabin classes available on flights from Seattle to Waterloo. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Find direct flights to and from Seattle and Waterloo
Flights from domestic origins to Waterloo
More flights to Waterloo. Prices are the lowest found on KAYAK in the last 7 days. Price and availability is not guaranteed.
Flights to other popular destinations
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.