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

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

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 44% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 11 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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 1h 56m and 2h 50m, respectively.

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 December 2025, 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.

$56 Cheap Flights from the United States to Washington in 2025/26

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 2,310 per week as of December 2025. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.

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

As of December 2025, 330 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 37% of daily flights taking off in the afternoon.

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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.

5:13 pm - 8:10 pm

LAX

SEA

2h 57mnonstop

12:34 pm - 12:30 am

SEA

LAX

11h 56m1 stop

$104Frontier

Thu, Jan 29 - Thu, Feb 5

2:20 pm - 5:15 pm

LAX

SEA

2h 55mnonstop

1:16 pm - 12:30 am

SEA

LAX

11h 14m1 stop

$105Frontier

Tue, Feb 17 - Sat, Feb 21

9:05 am - 11:29 am

SFO

SEA

2h 24mnonstop

9:25 am - 11:43 am

SEA

SFO

2h 18mnonstop

$117United Airlines

Fri, Jan 23 - Tue, Jan 27

2:35 pm - 4:54 pm

SFO

SEA

2h 19mnonstop

9:20 pm - 11:30 pm

SEA

SFO

2h 10mnonstop

$118Delta

Thu, Jan 22 - Mon, Jan 26

4:10 pm - 6:28 pm

SFO

SEA

2h 18mnonstop

7:15 am - 9:34 am

SEA

SFO

2h 19mnonstop

$126United Airlines

Sat, Feb 7 - Tue, Feb 17

9:00 am - 11:21 am

SFO

SEA

2h 21mnonstop

8:50 pm - 11:03 pm

SEA

SFO

2h 13mnonstop

$130Alaska Airlines

Tue, Jan 20 - Tue, Jan 20

6:30 am - 8:47 am

SFO

SEA

2h 17mnonstop

8:10 pm - 10:27 pm

SEA

SFO

2h 17mnonstop

$132Alaska Airlines

Tue, Mar 17 - Wed, Apr 8

4:25 pm - 6:55 pm

DFW

SEA

4h 30mnonstop

5:55 pm - 11:45 pm

SEA

DFW

3h 50mnonstop

$163Delta

Thu, Jan 29 - Thu, Feb 5

7:36 pm - 10:20 pm

ORD

SEA

4h 44mnonstop

2:04 pm - 8:15 pm

SEA

ORD

4h 11mnonstop

$178American Airlines

Sun, Jan 18 - Mon, Jan 26

7:06 pm - 9:50 pm

ORD

SEA

4h 44mnonstop

8:04 am - 2:15 pm

SEA

ORD

4h 11mnonstop

$179American Airlines

Sat, Jan 17 - Mon, Jan 19

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

Feb 12

SFO5:55 amSan Francisco

2h 18m

SEA8:13 amSeattle/Tacoma Intl

Feb 19

SEA7:41 pmSeattle/Tacoma Intl

2h 14m

SFO9:55 pmSan Francisco

$124

Find similar

Hawaiian Airlines

Jan 22

SFO2:58 pmSan Francisco

3h 45m

1 stop

SEA6:43 pmSeattle/Tacoma Intl

Jan 26

SEA5:59 pmSeattle/Tacoma Intl

2h 13m

SFO8:12 pmSan Francisco

$136

Find similar

Hawaiian Airlines

Jan 22

SFO9:00 amSan Francisco

2h 21m

SEA11:21 amSeattle/Tacoma Intl

Jan 26

SEA8:25 amSeattle/Tacoma Intl

3h 58m

1 stop

SFO12:23 pmSan Francisco

$138

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Delta flights from United States to State of Washington

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

Delta

Jan 22

SFO2:35 pmSan Francisco

2h 19m

SEA4:54 pmSeattle/Tacoma Intl

Jan 26

SEA7:15 amSeattle/Tacoma Intl

2h 20m

SFO9:35 amSan Francisco

$118

Find similar

Delta

Jan 22

SFO10:30 amSan Francisco

2h 23m

SEA12:53 pmSeattle/Tacoma Intl

Jan 26

SEA7:15 amSeattle/Tacoma Intl

2h 20m

SFO9:35 amSan Francisco

$137

Find similar

Delta

Jan 22

SFO10:30 amSan Francisco

2h 23m

SEA12:53 pmSeattle/Tacoma Intl

Jan 26

SEA9:55 amSeattle/Tacoma Intl

7h 52m

1 stop

SFO5:47 pmSan Francisco

$147

Find similar

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

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 1/29

5:13 pm-8:10 pm

Nonstop2h 57m

Seattle/Tacoma Intl

Thu 2/5

12:34 pm-12:30 am

1 stop11h 56m

$104

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 2/17

2:20 pm-5:15 pm

Nonstop2h 55m

Seattle/Tacoma Intl

Sat 2/21

1:16 pm-12:30 am

1 stop11h 14m

$105

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 1/23

9:05 am-11:29 am

Nonstop2h 24m

Seattle/Tacoma Intl

Tue 1/27

9:25 am-11:43 am

Nonstop2h 18m

$117

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 1/22

2:35 pm-4:54 pm

Nonstop2h 19m

Seattle/Tacoma Intl

Mon 1/26

9:20 pm-11:30 pm

Nonstop2h 10m

$118

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 2/7

4:10 pm-6:28 pm

Nonstop2h 18m

Seattle/Tacoma Intl

Tue 2/17

7:15 am-9:34 am

Nonstop2h 19m

$126

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 1/20

9:00 am-11:21 am

Nonstop2h 21m

Seattle/Tacoma Intl

Tue 1/20

8:50 pm-11:03 pm

Nonstop2h 13m

$130

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 3/17

6:30 am-8:47 am

Nonstop2h 17m

Seattle/Tacoma Intl

Wed 4/8

8:10 pm-10:27 pm

Nonstop2h 17m

$132

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Thu 1/29

4:25 pm-6:55 pm

Nonstop4h 30m

Seattle/Tacoma Intl

Thu 2/5

5:55 pm-11:45 pm

Nonstop3h 50m

$163

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sun 1/18

7:36 pm-10:20 pm

Nonstop4h 44m

Seattle/Tacoma Intl

Mon 1/26

2:04 pm-8:15 pm

Nonstop4h 11m

$178

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sat 1/17

7:06 pm-9:50 pm

Nonstop4h 44m

Seattle/Tacoma Intl

Mon 1/19

8:04 am-2:15 pm

Nonstop4h 11m

$179

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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 $317.

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 $270. 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 $375.

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 $239. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $339 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 Denver 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 $419 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 $345 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.

Cheap United States to State of Washington flight deals and tips

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

Best Price Found	$28
Fastest flight time	0h 50m
Direct flights	Every day
Airports in State of Washington	96 airports

The best one-way flight to State of Washington from United States in the past 72 hours is $28. The best round-trip flight deal from United States to State of Washington found on momondo in the last 72 hours is $58.

The fastest flight from United States to State of Washington takes 0h 50m

Direct flights go from United States to State of Washington every day.

There are 96 airports in State of Washington. From United States there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

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 December 2025, 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 19.85% of the total bookings. Other popular models include Airbus A321neo with 12.19%, Boeing 737-900 with 10.66%, and Boeing 737 MAX 8 with 7.82%.

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 $37	Free Cancellation	Rating 7.2 701 reviews	Search Allegiant Air flights
Frontier	PriceFrom $52	Free Cancellation	Rating 5.7 3,069 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $58	Free Cancellation	Rating 6.3 8,245 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $78	Free Cancellation	Rating 7.8 2,821 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $97	Free Cancellation	Rating 7.9 8,013 reviews	Search Delta flights
Southwest	PriceFrom $117	Free Cancellation	Rating 8.0 4,251 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $118	Free Cancellation	Rating 8.0 11,584 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $126	Free Cancellation	Rating 7.4 9,124 reviews	Search United Airlines flights
JetBlue	PriceFrom $146	Free Cancellation	Rating 7.2 2,901 reviews	Search JetBlue flights
Sun Country Air	PriceFrom $153	Free Cancellation	Rating 6.9 337 reviews	Search Sun Country Air 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.

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Washington

Cheap flights from the United States to Washington from $59

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Washington departing on 1/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from the United States to Washington

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

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Hawaiian Airlines flights from United States to State of Washington

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

Delta flights from United States to State of Washington

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

momondo Fare Finder

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

See travel insights to Washington from

How to get the cheapest flight ticket from United States to State of Washington

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

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

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

What is the cheapest United States to Washington flight route?

Fly from Denver 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?

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.

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

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

What airlines fly to State of Washington?

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

As of December 2025, 330 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 37% of daily flights taking off in the afternoon.

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 2,310 per week as of December 2025. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.

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 1h 56m and 2h 50m, respectively.

Cheap United States to State of Washington flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in State of Washington

When did momondo last update prices for flights from United States to Washington?

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

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

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

What is the most popular plane model from United States to State of Washington?

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

Why use momondo?

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

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

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

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

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo