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

United Airlines, Alaska Airlines, 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 10m and 2h 51m, 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 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.

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.

$59 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 day?

As of December 2025, 227 flights take off from United States and land in State of Washington each day. The most common flight departure time for this route is 7:00PM, with 35% of daily flights taking off in the afternoon.

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

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3:02 pm - 6:08 pm

LAX

SEA

3h 06mnonstop

10:19 am - 1:03 pm

SEA

LAX

2h 44mnonstop

$103Frontier

Thu, Jan 8 - Sun, Jan 11

11:31 am - 5:51 pm

LAX

SEA

6h 20m1 stop

5:38 pm - 8:24 pm

SEA

LAX

2h 46mnonstop

$104Frontier

Tue, Jan 6 - Fri, Jan 9

7:00 am - 9:17 am

SFO

SEA

2h 17mnonstop

5:59 pm - 8:12 pm

SEA

SFO

2h 13mnonstop

$124Alaska Airlines

Mon, Jan 5 - Mon, Jan 12

6:18 pm - 8:34 pm

SFO

SEA

2h 16mnonstop

11:43 am - 2:00 pm

SEA

SFO

2h 17mnonstop

$126Alaska Airlines

Tue, Jan 13 - Tue, Jan 20

1:00 pm - 7:34 pm

SFO

SEA

6h 34m1 stop

9:20 pm - 11:28 pm

SEA

SFO

2h 08mnonstop

$127Delta

Thu, Jan 8 - Mon, Jan 12

5:10 pm - 12:09 am

ONT

SEA

6h 59m1 stop

11:15 am - 1:56 pm

SEA

ONT

2h 41mnonstop

$129Delta

Wed, Jan 21 - Sun, Jan 25

1:20 pm - 4:01 pm

ORD

SEA

4h 41mnonstop

7:00 am - 1:08 pm

SEA

ORD

4h 08mnonstop

$177United Airlines

Thu, Jan 8 - Mon, Jan 12

7:36 pm - 10:20 pm

ORD

SEA

4h 44mnonstop

8:04 am - 2:15 pm

SEA

ORD

4h 11mnonstop

$178American Airlines

Thu, Jan 8 - Wed, Jan 14

7:36 pm - 10:20 pm

ORD

SEA

4h 44mnonstop

8:04 am - 2:15 pm

SEA

ORD

4h 11mnonstop

$179American Airlines

Thu, Jan 15 - Sun, Jan 18

7:54 pm - 10:43 pm

ORD

SEA

4h 49mnonstop

12:35 pm - 11:14 pm

SEA

ORD

8h 39m1 stop

$183United Airlines

Thu, Jan 8 - Tue, Jan 13

Frontier flights from United States to State of Washington

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

Frontier

Jan 8

LAX3:02 pmLos Angeles

3h 06m

SEA6:08 pmSeattle/Tacoma Intl

Jan 11

SEA10:19 amSeattle/Tacoma Intl

2h 44m

LAX1:03 pmLos Angeles

$103

Find similar

Frontier

Jan 15

LAX8:54 amLos Angeles

3h 00m

SEA11:54 amSeattle/Tacoma Intl

Jan 18

SEA10:05 pmSeattle/Tacoma Intl

10h 15m

1 stop

LAX8:20 amLos Angeles

$105

Find similar

Frontier

Jan 9

LAX8:37 amLos Angeles

3h 10m

SEA11:47 amSeattle/Tacoma Intl

Jan 11

SEA10:19 amSeattle/Tacoma Intl

2h 44m

LAX1:03 pmLos Angeles

$108

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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

Hawaiian Airlines

Jan 31

LAX7:00 amLos Angeles

3h 01m

SEA10:01 amSeattle/Tacoma Intl

Feb 7

SEA8:06 amSeattle/Tacoma Intl

2h 49m

LAX10:55 amLos Angeles

$106

Find similar

Hawaiian Airlines

Jan 31

LAX8:00 amLos Angeles

3h 01m

SEA11:01 amSeattle/Tacoma Intl

Feb 7

SEA6:53 pmSeattle/Tacoma Intl

2h 43m

LAX9:36 pmLos Angeles

$107

Find similar

Hawaiian Airlines

Jan 31

LAX8:00 amLos Angeles

3h 01m

SEA11:01 amSeattle/Tacoma Intl

Feb 7

SEA8:25 amSeattle/Tacoma Intl

4h 50m

1 stop

LAX1:15 pmLos Angeles

$132

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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 1/8

3:02 pm-6:08 pm

Nonstop3h 06m

Seattle/Tacoma Intl

Sun 1/11

10:19 am-1:03 pm

Nonstop2h 44m

$103

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 1/6

11:31 am-5:51 pm

1 stop6h 20m

Seattle/Tacoma Intl

Fri 1/9

5:38 pm-8:24 pm

Nonstop2h 46m

$104

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Mon 1/5

7:00 am-9:17 am

Nonstop2h 17m

Seattle/Tacoma Intl

Mon 1/12

5:59 pm-8:12 pm

Nonstop2h 13m

$124

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 1/13

6:18 pm-8:34 pm

Nonstop2h 16m

Seattle/Tacoma Intl

Tue 1/20

11:43 am-2:00 pm

Nonstop2h 17m

$126

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 1/8

1:00 pm-7:34 pm

1 stop6h 34m

Seattle/Tacoma Intl

Mon 1/12

9:20 pm-11:28 pm

Nonstop2h 08m

$127

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Wed 1/21

5:10 pm-12:09 am

1 stop6h 59m

Seattle/Tacoma Intl

Sun 1/25

11:15 am-1:56 pm

Nonstop2h 41m

$129

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Thu 1/8

1:20 pm-4:01 pm

Nonstop4h 41m

Seattle/Tacoma Intl

Mon 1/12

7:00 am-1:08 pm

Nonstop4h 08m

$177

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Thu 1/8

7:36 pm-10:20 pm

Nonstop4h 44m

Seattle/Tacoma Intl

Wed 1/14

8:04 am-2:15 pm

Nonstop4h 11m

$178

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Thu 1/15

7:36 pm-10:20 pm

Nonstop4h 44m

Seattle/Tacoma Intl

Sun 1/18

8:04 am-2:15 pm

Nonstop4h 11m

$179

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Thu 1/8

7:54 pm-10:43 pm

Nonstop4h 49m

Seattle/Tacoma Intl

Tue 1/13

12:35 pm-11:14 pm

1 stop8h 39m

$183

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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 $272. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from United States to State of Washington for around $366.

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 $240. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $336 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 Seattle/Tacoma Intl 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 $344 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	$29
Fastest flight time	0h 46m
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 $29. 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 46m

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 18.85% of the total bookings. Other popular models include Airbus A321neo with 11.17%, Boeing 737-900 with 10.60%, and Boeing 737 MAX 9 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 7.2 700 reviews	Search Allegiant Air flights
Frontier	PriceFrom $51	Free Cancellation	Rating 5.8 3,080 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $58	Free Cancellation	Rating 6.3 8,188 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $78	Free Cancellation	Rating 7.8 2,820 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $106	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
Southwest	PriceFrom $117	Free Cancellation	Rating 7.9 4,252 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $119	Free Cancellation	Rating 8.0 11,479 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $127	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
JetBlue	PriceFrom $145	Free Cancellation	Rating 7.2 2,895 reviews	Search JetBlue flights
Sun Country Air	PriceFrom $153	Free Cancellation	Rating 6.9 333 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

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Popular cities in Washington

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Flights to Orlandofrom $49

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Flights to Las Vegasfrom $39

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Flights to Bostonfrom $49

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Flights to Dallasfrom $51

Flights to Seattlefrom $58

Fly your favorite airline to Washington

American Airlines flights to Washingtonfrom $277

Alaska Airlines flights to Washingtonfrom $79

Frontier flights to Washingtonfrom $25

Delta flights to Washingtonfrom $79

United Airlines flights to Washingtonfrom $130

Scandinavian Airlines

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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 1/20. 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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Frontier flights from United States to State of Washington

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

Hawaiian Airlines flights from United States to State of Washington

Our best Hawaiian Airlines 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 Las Vegas Harry Reid Intl to Seattle/Tacoma Intl 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?

United Airlines, Alaska Airlines, and Delta 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, 227 flights take off from United States and land in State of Washington each day. The most common flight departure time for this route is 7:00PM, with 35% 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 1,591 per week as of December 2025. The most frequent departure day is Thu, with 30% 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 2h 10m and 2h 51m, 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