Cheap flights from Seattle to Waterloo (SEA - ALO) from $324

This is the cheapest one-way flight price, found on 9/19. Prices may vary by date and flight preferences.
SEA — ALO
Sep 25 — Oct 21

When is the cheapest time to fly from Seattle to Waterloo, Iowa (SEA - ALO)?

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

Cheap American Airlines flights from Seattle to Waterloo

Cheap Seattle to Waterloo flights in September & October 2023

The best prices found for SEA to ALO flights for September, October

Seattle to Waterloo 2023 flight deals

Cheap flights to Waterloo from Seattle found for this year

One-way flights to Waterloo from Seattle

The cheapest one-way flights from Seattle to Waterloo

Find flights from Seattle to Waterloo within your budget

Use the slider to find flights from Seattle to Waterloo that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$562 - $607

Route

Depart

Return

Price

Seattle/Tacoma IntlWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Fri 12/1

1 stop19h 39m

Waterloo

Sat 12/9

2 stops14h 18m

Seattle/Tacoma IntlWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Fri 12/1

2 stops11h 00m

Waterloo

Sat 12/9

2 stops14h 18m

Seattle/Tacoma IntlWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Fri 11/10

1 stop17h 55m

Waterloo

Sun 11/12

2 stops13h 00m

Seattle/Tacoma IntlWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Fri 11/10

2 stops17h 42m

Waterloo

Sun 11/12

2 stops13h 00m

Seattle/Tacoma IntlWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Thu 11/9

2 stops14h 59m

Waterloo

Sun 11/12

2 stops13h 00m

Seattle/Tacoma IntlWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Fri 10/13

1 stop10h 28m

Waterloo

Mon 10/16

1 stop13h 13m

Seattle/Tacoma IntlWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Fri 10/13

1 stop10h 28m

Waterloo

Mon 10/16

2 stops19h 56m

Seattle/Tacoma IntlWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Thu 10/12

2 stops15h 20m

Waterloo

Mon 10/16

1 stop13h 13m

Seattle/Tacoma IntlWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Thu 10/12

2 stops15h 20m

Waterloo

Mon 10/16

2 stops14h 57m

Flights are sorted by cheapest first

Deals found on 9/19

Reviews of airlines servicing Waterloo

American Airlines
7.2
Good
2,635 reviews

Food

6.5

Entertainment

6.9

Comfort

7.3

Boarding

7.5

Crew

7.9

Overall

7.2

Reviews

1 / 10

Love the cabin and cabin crew. Horrible customer service (ground crew and online).

American Airlines
7.2
Good
2,635 reviews
American Airlines
7.2
Good
2,635 reviews

Food

6.5

Entertainment

6.9

Comfort

7.3

Boarding

7.5

Crew

7.9

Overall

7.2

Reviews

1 / 10

Love the cabin and cabin crew. Horrible customer service (ground crew and online).

Related info for your journey

Useful info, stats and facts about Seattle to Waterloo flights.

Can I find flights from Seattle to Waterloo, Iowa for under $600 on Cheapflights?

Yes, there are multiple flights from Seattle to Waterloo, Iowa for under $600. The cheapest flight booked recently is on American Airlines for just $562, but on average you can expect to pay $656.

What does SEA to ALO mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to Waterloo Airport flight would often be abbreviated as a SEA to ALO flight.

Other flights from Seattle

Top airline flying from Seattle to Waterloo

The chart below displays the airlines Cheapflights users traveling from Seattle to Waterloo choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$408Average$623FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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