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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
From?
To?
Mon 9/25
Mon 10/2
1 adult, Economy
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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

Fri 12/18:31 amSEA - ALO
1 stop19h 39mAmerican Airlines
Sat 12/95:02 amALO - SEA
2 stops14h 18mAmerican Airlines
Deal found 9/19$562
Fri 12/15:10 pmSEA - ALO
2 stops11h 00mAmerican Airlines
Sat 12/95:02 amALO - SEA
2 stops14h 18mAmerican Airlines
Deal found 9/19$565
Fri 11/108:31 amSEA - ALO
1 stop17h 55mAmerican Airlines
Sun 11/124:55 amALO - SEA
2 stops13h 00mAmerican Airlines
Deal found 9/20$592
Fri 11/108:44 amSEA - ALO
2 stops17h 42mAmerican Airlines
Sun 11/124:55 amALO - SEA
2 stops13h 00mAmerican Airlines
Deal found 9/20$595
Thu 11/97:59 pmSEA - ALO
2 stops14h 59mAmerican Airlines
Sun 11/124:55 amALO - SEA
2 stops13h 00mAmerican Airlines
Deal found 9/20$597
Fri 10/131:30 amSEA - ALO
1 stop10h 28mAmerican Airlines
Mon 10/165:58 amALO - SEA
1 stop13h 13mAmerican Airlines
Deal found 9/19$599
Fri 10/131:30 amSEA - ALO
1 stop10h 28mAmerican Airlines
Mon 10/162:23 pmALO - SEA
2 stops19h 56mAmerican Airlines
Deal found 9/19$602
Thu 10/128:38 pmSEA - ALO
2 stops15h 20mAmerican Airlines
Mon 10/165:58 amALO - SEA
1 stop13h 13mAmerican Airlines
Deal found 9/19$604
Thu 10/128:38 pmSEA - ALO
2 stops15h 20mAmerican Airlines
Mon 10/165:58 amALO - SEA
2 stops14h 57mAmerican Airlines
Deal found 9/19$607

Cheap Seattle to Waterloo flights in September & October 2023

The best prices found for SEA to ALO flights for September, October
Fri 10/201:30 amSEA - ALO
1 stop10h 28mAmerican Airlines
Fri 10/275:58 amALO - SEA
1 stop13h 21mAmerican Airlines
Deal found 9/20$579
Fri 10/207:53 pmSEA - ALO
2 stops31h 40mAmerican Airlines
Fri 10/272:23 pmALO - SEA
1 stop22h 43mAmerican Airlines
Deal found 9/20$582
Thu 10/198:38 pmSEA - ALO
2 stops15h 20mAmerican Airlines
Fri 10/272:23 pmALO - SEA
1 stop22h 43mAmerican Airlines
Deal found 9/20$584
Fri 10/207:53 pmSEA - ALO
2 stops31h 40mAmerican Airlines
Fri 10/272:23 pmALO - SEA
2 stops25h 29mAmerican Airlines
Deal found 9/20$585
Thu 10/198:38 pmSEA - ALO
2 stops15h 20mAmerican Airlines
Fri 10/272:23 pmALO - SEA
2 stops25h 29mAmerican Airlines
Deal found 9/20$587
Fri 10/131:30 amSEA - ALO
1 stop10h 28mAmerican Airlines
Mon 10/165:58 amALO - SEA
1 stop13h 13mAmerican Airlines
Deal found 9/19$599
Fri 10/131:30 amSEA - ALO
1 stop10h 28mAmerican Airlines
Mon 10/162:23 pmALO - SEA
2 stops19h 56mAmerican Airlines
Deal found 9/19$602
Thu 10/128:38 pmSEA - ALO
2 stops15h 20mAmerican Airlines
Mon 10/165:58 amALO - SEA
1 stop13h 13mAmerican Airlines
Deal found 9/19$604
Thu 10/128:38 pmSEA - ALO
2 stops15h 20mAmerican Airlines
Mon 10/165:58 amALO - SEA
2 stops14h 57mAmerican Airlines
Deal found 9/19$607

Seattle to Waterloo 2023 flight deals

Cheap flights to Waterloo from Seattle found for this year
Fri 12/18:31 amSEA - ALO
1 stop19h 39mAmerican Airlines
Sat 12/95:02 amALO - SEA
2 stops14h 18mAmerican Airlines
Deal found 9/19$562
Fri 12/15:10 pmSEA - ALO
2 stops11h 00mAmerican Airlines
Sat 12/95:02 amALO - SEA
2 stops14h 18mAmerican Airlines
Deal found 9/19$565
Fri 10/201:30 amSEA - ALO
1 stop10h 28mAmerican Airlines
Fri 10/275:58 amALO - SEA
1 stop13h 21mAmerican Airlines
Deal found 9/20$579
Fri 10/207:53 pmSEA - ALO
2 stops31h 40mAmerican Airlines
Fri 10/272:23 pmALO - SEA
1 stop22h 43mAmerican Airlines
Deal found 9/20$582
Thu 10/198:38 pmSEA - ALO
2 stops15h 20mAmerican Airlines
Fri 10/272:23 pmALO - SEA
1 stop22h 43mAmerican Airlines
Deal found 9/20$584
Fri 10/207:53 pmSEA - ALO
2 stops31h 40mAmerican Airlines
Fri 10/272:23 pmALO - SEA
2 stops25h 29mAmerican Airlines
Deal found 9/20$585
Thu 10/198:38 pmSEA - ALO
2 stops15h 20mAmerican Airlines
Fri 10/272:23 pmALO - SEA
2 stops25h 29mAmerican Airlines
Deal found 9/20$587
Fri 11/108:31 amSEA - ALO
1 stop17h 55mAmerican Airlines
Sun 11/124:55 amALO - SEA
2 stops13h 00mAmerican Airlines
Deal found 9/20$592
Fri 11/108:44 amSEA - ALO
2 stops17h 42mAmerican Airlines
Sun 11/124:55 amALO - SEA
2 stops13h 00mAmerican Airlines
Deal found 9/20$595

One-way flights to Waterloo from Seattle

The cheapest one-way flights from Seattle to Waterloo
Fri 10/131:19 amSEA - ALO
2 stops10h 39mAmerican Airlines
Deal found 9/19$324
Fri 10/131:30 amSEA - ALO
1 stop10h 28mAmerican Airlines
Deal found 9/19$325
Thu 10/128:38 pmSEA - ALO
2 stops15h 20mAmerican Airlines
Deal found 9/19$330
Sun 10/81:20 amSEA - ALO
1 stop26h 13mAmerican Airlines
Deal found 9/20$428
Sat 10/77:36 pmSEA - ALO
2 stops16h 22mAmerican Airlines
Deal found 9/20$432
Sat 10/71:30 amSEA - ALO
1 stop26h 03mAmerican Airlines
Deal found 9/20$448
Tue 10/102:17 amSEA - ALO
2 stops33h 41mAmerican Airlines
Deal found 9/20$484
Fri 10/61:43 pmSEA - ALO
2 stops13h 50mAmerican Airlines
Deal found 9/20$492
Wed 10/49:31 amSEA - ALO
1 stop26h 27mAmerican Airlines
Deal found 9/20$493

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

$562
Pick Dates

Seattle/Tacoma IntlWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Fri 12/1

2 stops11h 00m

Waterloo

Sat 12/9

2 stops14h 18m

$565
Pick Dates

Seattle/Tacoma IntlWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Fri 11/10

1 stop17h 55m

Waterloo

Sun 11/12

2 stops13h 00m

$592
Pick Dates

Seattle/Tacoma IntlWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Fri 11/10

2 stops17h 42m

Waterloo

Sun 11/12

2 stops13h 00m

$595
Pick Dates

Seattle/Tacoma IntlWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Thu 11/9

2 stops14h 59m

Waterloo

Sun 11/12

2 stops13h 00m

$597
Pick Dates

Seattle/Tacoma IntlWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Fri 10/13

1 stop10h 28m

Waterloo

Mon 10/16

1 stop13h 13m

$599
Pick Dates

Seattle/Tacoma IntlWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Fri 10/13

1 stop10h 28m

Waterloo

Mon 10/16

2 stops19h 56m

$602
Pick Dates

Seattle/Tacoma IntlWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Thu 10/12

2 stops15h 20m

Waterloo

Mon 10/16

1 stop13h 13m

$604
Pick Dates

Seattle/Tacoma IntlWaterloo

SEA - ALO

SEAALO

Seattle/Tacoma Intl

Thu 10/12

2 stops15h 20m

Waterloo

Mon 10/16

2 stops14h 57m

$607
Pick Dates

Flights are sorted by cheapest first

Deals found on 9/19

Reviews of airlines servicing Waterloo

American Airlines
7.2
Good
2,635 reviews
Check prices

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
Check prices

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

Seattle to Las Vegas
Seattle to Sky Harbor Intl
Seattle to Pasco
Seattle to Ontario
Seattle to Oakland
Seattle to Boise

Flights to Waterloo from Seattle

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Rent a Car

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Car Rentals in Iowa

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%
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