What is the cheapest airline that flies from United States to Washington?

United Airlines, Southwest, and Delta are the most popular carriers operating from United States to Washington

How long is the flight from United States to State of Washington?

If you’re flying from a popular airport in United States, such as San Francisco or Los Angeles, and flying into State of Washington, then you can expect flight times to average 2h 09m and 2h 47m, respectively.

What airlines fly to State of Washington?

Alaska Airlines, Delta and Frontier are the top three most popular airlines that fly to State of Washington from United States according to our data. Alaska Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 12 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 United States to Washington?

Prices for flights from United States to Washington were last updated today.

How many operators does momondo search for flights from United States to Washington?

As of March 2026, there are 10 operators available to choose from for flights from United States to Washington.

How old do you have to be to fly from United States to Washington?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Washington.

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

The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$44 Cheap Flights from the United States to Washington in 2026

Q: How many flights depart from United States to State of Washington on average per day?

As of March 2026, 217 flights take off from United States and land in State of Washington each day. The most common flight departure time for this route is 6:00PM, with 36% of daily flights taking off in the afternoon.

Q: How many flights depart from United States to State of Washington on average per week?

The number of flights available between United States and State of Washington is 1,525 per week as of March 2026. The most frequent departure day is Fri, with 22% of weekly flights leaving on this day.

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Find the cheapest flights from the United States to Washington

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One-way

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Direct

Recent round-trip flight deals from the United States to Washington

Enter your travel dates to find the best prices.

2:45 pm - 5:42 pm

LAX

SEA

2h 57mnonstop

10:57 am - 1:45 pm

SEA

LAX

2h 48mnonstop

$87Frontier

Thu, Apr 23 - Thu, Apr 30

2:45 pm - 5:42 pm

LAX

SEA

2h 57mnonstop

11:12 am - 2:04 pm

SEA

LAX

2h 52mnonstop

$88Frontier

Thu, Apr 23 - Sun, Apr 26

2:55 pm - 5:52 pm

LAX

SEA

2h 57mnonstop

10:57 am - 1:45 pm

SEA

LAX

2h 48mnonstop

$89Frontier

Fri, May 1 - Mon, May 4

7:00 am - 9:17 am

SFO

SEA

2h 17mnonstop

7:04 pm - 9:23 pm

SEA

SFO

2h 19mnonstop

$128Alaska Airlines

Wed, Apr 22 - Wed, Apr 29

1:35 pm - 3:52 pm

SFO

SEA

2h 17mnonstop

5:55 pm - 8:11 pm

SEA

SFO

2h 16mnonstop

$130Alaska Airlines

Tue, Apr 21 - Tue, Apr 21

6:25 pm - 8:57 pm

SFO

SEA

2h 32mnonstop

5:25 pm - 7:38 pm

SEA

SFO

2h 13mnonstop

$135United Airlines

Sat, Apr 25 - Sat, May 2

6:25 am - 12:33 pm

IAD

SEA

9h 08m

1 stop

10:29 pm - 10:02 am

SEA

IAD

8h 33m

1 stop

$240American Airlines

Wed, Apr 15 - Mon, Apr 20

6:25 am - 12:33 pm

IAD

SEA

9h 08m

1 stop

1:33 pm - 11:59 pm

SEA

IAD

7h 26m

1 stop

$254American Airlines

Thu, Apr 16 - Sat, Apr 18

8:30 pm - 11:46 pm

EWR

SEA

6h 16mnonstop

12:08 pm - 8:29 pm

SEA

EWR

5h 21mnonstop

$279United Airlines

Thu, Apr 23 - Tue, Apr 28

7:45 am - 10:58 am

JFK

SEA

6h 13mnonstop

4:00 pm - 12:20 am

SEA

JFK

5h 20mnonstop

$297Delta

Tue, Apr 14 - Sat, Apr 25

Frontier flights from United States to State of Washington

Our best Frontier deals on United States to State of Washington flight tickets

Frontier

Apr 23

LAX2:45 pmLos Angeles Los Angeles

2h 57m

SEA5:42 pmSeattle/Tacoma Intl

Apr 30

SEA10:57 amSeattle/Tacoma Intl

2h 48m

LAX1:45 pmLos Angeles Los Angeles

$87

Frontier

Apr 23

LAX2:45 pmLos Angeles Los Angeles

2h 57m

SEA5:42 pmSeattle/Tacoma Intl

Apr 26

SEA11:12 amSeattle/Tacoma Intl

2h 52m

LAX2:04 pmLos Angeles Los Angeles

$88

Frontier

May 1

LAX2:55 pmLos Angeles Los Angeles

2h 57m

SEA5:52 pmSeattle/Tacoma Intl

May 4

SEA10:57 amSeattle/Tacoma Intl

2h 48m

LAX1:45 pmLos Angeles Los Angeles

$89

Hawaiian Airlines flights from United States to State of Washington

Our best Hawaiian Airlines deals on United States to State of Washington flight tickets

Hawaiian Airlines

Apr 14

EWR9:00 amNewark

6h 14m

SEA12:14 pmSeattle/Tacoma Intl

Apr 15

SEA6:13 amSeattle/Tacoma Intl

5h 17m

EWR2:30 pmNewark

$251

Hawaiian Airlines

Apr 9

EWR7:20 amNewark

6h 09m

SEA10:29 amSeattle/Tacoma Intl

Apr 15

SEA6:13 amSeattle/Tacoma Intl

5h 17m

EWR2:30 pmNewark

$299

Hawaiian Airlines

Apr 8

ONT7:00 amOntario

4h 13m

1 stop

SEA11:13 amSeattle/Tacoma Intl

Apr 12

SEA9:24 pmSeattle/Tacoma Intl

2h 35m

ONT11:59 pmOntario

$320

momondo Fare Finder

Use the filters below to find and compare flights from the United States to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Thu 4/23

2:45 pm-5:42 pm

Nonstop2h 57m

Seattle/Tacoma Intl

Thu 4/30

10:57 am-1:45 pm

Nonstop2h 48m

$87

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Thu 4/23

2:45 pm-5:42 pm

Nonstop2h 57m

Seattle/Tacoma Intl

Sun 4/26

11:12 am-2:04 pm

Nonstop2h 52m

$88

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Fri 5/1

2:55 pm-5:52 pm

Nonstop2h 57m

Seattle/Tacoma Intl

Mon 5/4

10:57 am-1:45 pm

Nonstop2h 48m

$89

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 4/22

7:00 am-9:17 am

Nonstop2h 17m

Seattle/Tacoma Intl

Wed 4/29

7:04 pm-9:23 pm

Nonstop2h 19m

$128

Quickest round-trip

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 4/21

1:35 pm-3:52 pm

Nonstop2h 17m

Seattle/Tacoma Intl

Tue 4/21

5:55 pm-8:11 pm

Nonstop2h 16m

$130

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 4/25

6:25 pm-8:57 pm

Nonstop2h 32m

Seattle/Tacoma Intl

Sat 5/2

5:25 pm-7:38 pm

Nonstop2h 13m

$135

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 4/15

6:25 am-12:33 pm

1 stop9h 08m

Seattle/Tacoma Intl

Mon 4/20

10:29 pm-10:02 am

1 stop8h 33m

$240

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Thu 4/16

6:25 am-12:33 pm

1 stop9h 08m

Seattle/Tacoma Intl

Sat 4/18

1:33 pm-11:59 pm

1 stop7h 26m

$254

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 4/23

8:30 pm-11:46 pm

Nonstop6h 16m

Seattle/Tacoma Intl

Tue 4/28

12:08 pm-8:29 pm

Nonstop5h 21m

$279

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Tue 4/14

7:45 am-10:58 am

Nonstop6h 13m

Seattle/Tacoma Intl

Sat 4/25

4:00 pm-12:20 am

Nonstop5h 20m

$297

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United States 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

Other information

What is the cheapest month to fly to State of Washington?

The month of October is, on average, the cheapest month to fly to State of Washington from United States, with most prices found around $287. If you aren’t able to travel to State of Washington during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $307.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from United States to State of Washington is on a Friday. Travelers who choose to depart for State of Washington on a Friday will often find tickets for as low as $278. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from United States to State of Washington for around $382.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the afternoon when flights can be purchased for as low as $263. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $334 on average. Flights to State of Washington from United States in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest United States to Washington flight route?

Fly from Las Vegas Harry Reid Intl to Everett Paine Field for the best United States - Washington flight prices

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $421 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from United States for as low as $358 on momondo.

What cabin class options are available on United States to Washington flights?

There are 4 cabin classes available to choose from on United States to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to State of Washington flights?

No. A direct flight is the cheapest option for a flight between United States to State of Washington.

When did momondo last update prices for flights from United States to Washington?
Prices for flights from United States to Washington were last updated today.
How many operators does momondo search for flights from United States to Washington?
As of March 2026, there are 10 operators available to choose from for flights from United States to Washington.
How old do you have to be to fly from United States to Washington?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from United States to State of Washington?
Based on momondo bookings for flights between United States and State of Washington, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 17.22% of the total bookings. Other popular models include Airbus A321neo with 14.26%, Boeing 737-900 with 11.16%, and Boeing 737 with 9.79%.

Best airlines flying from United States to State of Washington

Compare and see reviews for airlines that fly from United States to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $36	Free Cancellation	Rating 7.3 710 reviews	Search Allegiant Air flights
Frontier	PriceFrom $48	Free Cancellation	Rating 5.7 3,013 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $60	Free Cancellation	Rating 6.3 8,552 reviews	Search Spirit Airlines flights
Delta	PriceFrom $74	Free Cancellation	Rating 7.9 8,350 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $78	Free Cancellation	Rating 7.8 2,839 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $97	Free Cancellation	Rating 7.9 12,128 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $97	Free Cancellation	Rating 8.0 4,334 reviews	Search Southwest flights
United Airlines	PriceFrom $117	Free Cancellation	Rating 7.4 9,500 reviews	Search United Airlines flights
JetBlue	PriceFrom $125	Free Cancellation	Rating 7.2 2,909 reviews	Search JetBlue flights
American Airlines	PriceFrom $158	Free Cancellation	Rating 7.1 11,517 reviews	Search American Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United States to Washington. momondo saves you time and could save you money on your trip.

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

Flights from United States to Washington with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from United States to Washington?

Once all potential United States 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 United States to Washington right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, momondo offers a useful price alert feature which will track prices for flights to Washington from United States and alert you when they change.