What is the cheapest airline that flies from Waterloo to Washington?

American Airlines is the most popular carrier operating from Waterloo to Washington

What airlines fly to State of Washington?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to State of Washington from Waterloo, Iowa according to our data. American Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 6 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Waterloo Airport to Washington?

Prices for flights from Waterloo Airport to Washington were last updated today.

How many operators does momondo search for flights from Waterloo Airport to Washington?

There is 1 operator available for flights from Waterloo Airport to Washington as of April 2026.

How old do you have to be to fly from Waterloo Airport to Washington?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Waterloo Airport to Washington.

What documentation or ID do you need to fly to Washington?

The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$411 Cheap Flights from Waterloo to Washington in 2026

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Find the cheapest flights from Waterloo, Iowa to Washington

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:40 am - 12:29 pm

ALO

SEA

8h 49m

1 stop

3:17 pm - 11:49 pm

SEA

ALO

6h 32m

1 stop

$411American Airlines

Wed, Apr 22 - Tue, Apr 28

2:23 pm - 10:38 pm

ALO

SEA

10h 15m

1 stop

12:59 am - 1:53 pm

SEA

ALO

10h 54m

2 stops

$421American Airlines

Wed, Apr 22 - Mon, Apr 27

5:00 am - 9:29 am

ALO

SEA

6h 29m

1 stop

3:06 pm - 11:59 pm

SEA

ALO

6h 53m

1 stop

$451American Airlines

Tue, Jul 21 - Tue, Jul 28

5:00 am - 9:29 am

ALO

SEA

6h 29m

1 stop

10:22 am - 11:59 pm

SEA

ALO

11h 37m

2 stops

$461American Airlines

Tue, Jul 21 - Tue, Jul 28

2:23 pm - 10:47 pm

ALO

SEA

10h 24m

2 stops

12:59 am - 1:53 pm

SEA

ALO

10h 54m

2 stops

$467American Airlines

Wed, Apr 22 - Mon, Apr 27

2:23 pm - 10:38 pm

ALO

SEA

10h 15m

1 stop

1:19 pm - 11:49 pm

SEA

ALO

8h 30m

1 stop

$472American Airlines

Fri, Apr 17 - Tue, Apr 21

2:23 pm - 10:38 pm

ALO

SEA

10h 15m

1 stop

12:59 am - 1:53 pm

SEA

ALO

10h 54m

2 stops

$482American Airlines

Fri, Apr 17 - Mon, Apr 20

3:02 pm - 8:33 pm

ALO

SEA

7h 31m

1 stop

3:06 pm - 11:59 pm

SEA

ALO

6h 53m

1 stop

$492American Airlines

Mon, Jun 29 - Tue, Jul 7

3:02 pm - 12:59 am

ALO

SEA

11h 57m

2 stops

3:06 pm - 11:59 pm

SEA

ALO

6h 53m

1 stop

$502American Airlines

Mon, Jun 29 - Tue, Jul 7

3:02 pm - 12:59 am

ALO

SEA

11h 57m

2 stops

10:47 am - 11:59 pm

SEA

ALO

11h 12m

2 stops

$508American Airlines

Mon, Jun 29 - Tue, Jul 7

American Airlines flights from Waterloo, Iowa to State of Washington

Our best American Airlines deals on Waterloo, Iowa to State of Washington flight tickets

American Airlines

Apr 22

ALO5:40 amWaterloo

8h 49m

1 stop

SEA12:29 pmSeattle/Tacoma Intl

Apr 28

SEA3:17 pmSeattle/Tacoma Intl

6h 32m

1 stop

ALO11:49 pmWaterloo

$411

American Airlines

Apr 22

ALO2:23 pmWaterloo

10h 15m

1 stop

SEA10:38 pmSeattle/Tacoma Intl

Apr 27

SEA12:59 amSeattle/Tacoma Intl

10h 54m

2 stops

ALO1:53 pmWaterloo

$421

American Airlines

Jul 21

ALO5:00 amWaterloo

6h 29m

1 stop

SEA9:29 amSeattle/Tacoma Intl

Jul 28

SEA3:06 pmSeattle/Tacoma Intl

6h 53m

1 stop

ALO11:59 pmWaterloo

$451

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

WaterlooSeattle

ALO - SEA

ALOSEA

Waterloo

Wed 4/22

5:40 am-12:29 pm

1 stop8h 49m

Seattle/Tacoma Intl

Tue 4/28

3:17 pm-11:49 pm

1 stop6h 32m

$411

WaterlooSeattle

ALO - SEA

ALOSEA

Waterloo

Wed 4/22

2:23 pm-10:38 pm

1 stop10h 15m

Seattle/Tacoma Intl

Mon 4/27

12:59 am-1:53 pm

2 stops10h 54m

$421

Quickest round-trip

WaterlooSeattle

ALO - SEA

ALOSEA

Waterloo

Tue 7/21

5:00 am-9:29 am

1 stop6h 29m

Seattle/Tacoma Intl

Tue 7/28

3:06 pm-11:59 pm

1 stop6h 53m

$451

WaterlooSeattle

ALO - SEA

ALOSEA

Waterloo

Tue 7/21

5:00 am-9:29 am

1 stop6h 29m

Seattle/Tacoma Intl

Tue 7/28

10:22 am-11:59 pm

2 stops11h 37m

$461

WaterlooSeattle

ALO - SEA

ALOSEA

Waterloo

Wed 4/22

2:23 pm-10:47 pm

2 stops10h 24m

Seattle/Tacoma Intl

Mon 4/27

12:59 am-1:53 pm

2 stops10h 54m

$467

WaterlooSeattle

ALO - SEA

ALOSEA

Waterloo

Fri 4/17

2:23 pm-10:38 pm

1 stop10h 15m

Seattle/Tacoma Intl

Tue 4/21

1:19 pm-11:49 pm

1 stop8h 30m

$472

WaterlooSeattle

ALO - SEA

ALOSEA

Waterloo

Fri 4/17

2:23 pm-10:38 pm

1 stop10h 15m

Seattle/Tacoma Intl

Mon 4/20

12:59 am-1:53 pm

2 stops10h 54m

$482

WaterlooSeattle

ALO - SEA

ALOSEA

Waterloo

Mon 6/29

3:02 pm-8:33 pm

1 stop7h 31m

Seattle/Tacoma Intl

Tue 7/7

3:06 pm-11:59 pm

1 stop6h 53m

$492

WaterlooSeattle

ALO - SEA

ALOSEA

Waterloo

Mon 6/29

3:02 pm-12:59 am

2 stops11h 57m

Seattle/Tacoma Intl

Tue 7/7

3:06 pm-11:59 pm

1 stop6h 53m

$502

WaterlooSeattle

ALO - SEA

ALOSEA

Waterloo

Mon 6/29

3:02 pm-12:59 am

2 stops11h 57m

Seattle/Tacoma Intl

Tue 7/7

10:47 am-11:59 pm

2 stops11h 12m

$508

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Waterloo, Iowa to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Waterloo, Iowa to State of Washington flights?

You could potentially save up to 31% on your flight if you consider stops on a Waterloo, Iowa to State of Washington flight.

Cheap Waterloo, Iowa to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Waterloo, Iowa to State of Washington

Fastest flight time	6h 29m
Direct flights	None

The fastest flight from Waterloo, Iowa to State of Washington takes 6h 29m

There are no direct flights from Waterloo, Iowa to State of Washington. There are no popular flight routes from Waterloo, Iowa to State of Washington.

Search flight deals

Frequently asked questions about flying from Waterloo, Iowa to Washington

When did momondo last update prices for flights from Waterloo Airport to Washington?
Prices for flights from Waterloo Airport to Washington were last updated today.
How many operators does momondo search for flights from Waterloo Airport to Washington?
There is 1 operator available for flights from Waterloo Airport to Washington as of April 2026.
How old do you have to be to fly from Waterloo Airport to Washington?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Waterloo Airport to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Waterloo, Iowa to State of Washington

Compare and see reviews for airlines that fly from Waterloo, Iowa to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.1 11,553 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Waterloo to Washington?

Finding the right flight to Washington from Waterloo is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington quick and easy, saving you time and money.

Can I find flights from Waterloo to Washington with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington from Waterloo with this policy.

How can momondo help me find flights from Waterloo to Washington?

Once all potential Waterloo to Washington flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Waterloo to Washington right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Waterloo to Washington now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington and let you know when they change.