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

Frontier, Delta, and United Airlines 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 2h 07m and 2h 49m, 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 November 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.

$58 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 November 2025, 437 flights take off from United States and land in State of Washington each day. The most common flight departure time for this route is 11:00AM, with 37% of daily flights taking off at noon.

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 3,060 per week as of November 2025. The most frequent departure day is Sun, with 19% of weekly flights leaving on this day.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from the United States to Washington

Round-trip

One-way

Last minute

Direct

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

Enter your travel dates to find the best prices.

12:30 pm - 12:30 pmLAX-SEA

24h 00m1 stop

6:00 am - 8:46 amSEA-LAX

2h 46mnonstop

$115Frontier

Find Deal

Wed, Dec 24 - Wed, Dec 31

2:08 pm - 5:12 pmLAX-SEA

3h 04mnonstop

10:29 am - 1:13 pmSEA-LAX

2h 44mnonstop

$117Frontier

Find Deal

Fri, Feb 27 - Mon, Mar 2

10:24 am - 1:30 pmLAX-SEA

3h 06mnonstop

6:00 am - 8:46 amSEA-LAX

2h 46mnonstop

$119Frontier

Find Deal

Sun, Dec 14 - Sun, Jan 4

6:40 am - 9:45 amONT-SEA

3h 05mnonstop

7:11 pm - 11:58 pmSEA-ONT

4h 47m1 stop

$129Delta

Find Deal

Sat, Dec 13 - Mon, Dec 15

5:55 am - 1:10 pmSFO-SEA

7h 15m1 stop

12:45 pm - 8:24 pmSEA-SFO

7h 39m1 stop

$137Delta

Find Deal

Sat, Dec 6 - Mon, Dec 8

5:42 pm - 7:57 pmSFO-SEA

2h 15mnonstop

11:20 pm - 9:55 pmSEA-SFO

22h 35m1 stop

$140Alaska Airlines

Find Deal

Mon, Jan 5 - Mon, Jan 5

9:25 am - 2:59 pmSFO-SEA

5h 34m1 stop

11:41 am - 2:03 pmSEA-SFO

2h 22mnonstop

$141Alaska Airlines

Find Deal

Wed, Dec 3 - Thu, Dec 4

8:00 am - 4:07 pmEWR-SEA

11h 07m1 stop

11:09 pm - 7:23 amSEA-EWR

5h 14mnonstop

$219United Airlines

Find Deal

Wed, Dec 17 - Wed, Dec 24

5:44 am - 10:43 amHOU-SEA

6h 59m1 stop

2:09 pm - 10:46 pmSEA-HOU

6h 37m1 stop

$256American Airlines

Find Deal

Wed, Dec 17 - Tue, Jan 6

9:02 am - 3:24 pmHOU-SEA

8h 22m1 stop

12:31 am - 9:38 amSEA-HOU

7h 07m1 stop

$286American Airlines

Find Deal

Wed, Dec 10 - Sun, Dec 14

Frontier flights from United States to State of Washington

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

Frontier

Dec 24

LAX12:30 pmLos Angeles

24h 00m

1 stop

SEA12:30 pmSeattle/Tacoma Intl

Dec 31

SEA6:00 amSeattle/Tacoma Intl

2h 46m

LAX8:46 amLos Angeles

$115

Find similar

Frontier

Feb 27

LAX2:08 pmLos Angeles

3h 04m

SEA5:12 pmSeattle/Tacoma Intl

Mar 2

SEA10:29 amSeattle/Tacoma Intl

2h 44m

LAX1:13 pmLos Angeles

$117

Find similar

Frontier

Dec 14

LAX10:24 amLos Angeles

3h 06m

SEA1:30 pmSeattle/Tacoma Intl

Jan 4

SEA6:00 amSeattle/Tacoma Intl

2h 46m

LAX8:46 amLos Angeles

$119

Find similar

Delta flights from United States to State of Washington

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

Delta

Dec 13

ONT4:49 pmOntario

6h 36m

1 stop

SEA11:25 pmSeattle/Tacoma Intl

Jan 3

SEA8:15 amSeattle/Tacoma Intl

2h 47m

ONT11:02 amOntario

$129

Find similar

Delta

Dec 11

ONT1:29 pmOntario

5h 07m

1 stop

SEA6:36 pmSeattle/Tacoma Intl

Dec 15

SEA2:19 pmSeattle/Tacoma Intl

2h 48m

ONT5:07 pmOntario

$130

Find similar

Delta

Dec 6

SFO5:07 pmSan Francisco

6h 18m

1 stop

SEA11:25 pmSeattle/Tacoma Intl

Dec 8

SEA12:45 pmSeattle/Tacoma Intl

4h 55m

1 stop

SFO5:40 pmSan Francisco

$137

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

Wed 12/24

12:30 pm-12:30 pm

1 stop24h 00m

Seattle/Tacoma Intl

Wed 12/31

6:00 am-8:46 am

Nonstop2h 46m

$115

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 2/27

2:08 pm-5:12 pm

Nonstop3h 04m

Seattle/Tacoma Intl

Mon 3/2

10:29 am-1:13 pm

Nonstop2h 44m

$117

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sun 12/14

10:24 am-1:30 pm

Nonstop3h 06m

Seattle/Tacoma Intl

Sun 1/4

6:00 am-8:46 am

Nonstop2h 46m

$119

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 12/13

6:40 am-9:45 am

Nonstop3h 05m

Seattle/Tacoma Intl

Mon 12/15

7:11 pm-11:58 pm

1 stop4h 47m

$129

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 12/6

5:55 am-1:10 pm

1 stop7h 15m

Seattle/Tacoma Intl

Mon 12/8

12:45 pm-8:24 pm

1 stop7h 39m

$137

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Mon 1/5

5:42 pm-7:57 pm

Nonstop2h 15m

Seattle/Tacoma Intl

Mon 1/5

11:20 pm-9:55 pm

1 stop22h 35m

$140

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 12/3

9:25 am-2:59 pm

1 stop5h 34m

Seattle/Tacoma Intl

Thu 12/4

11:41 am-2:03 pm

Nonstop2h 22m

$141

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 12/17

8:00 am-4:07 pm

1 stop11h 07m

Seattle/Tacoma Intl

Wed 12/24

11:09 pm-7:23 am

Nonstop5h 14m

$219

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Wed 12/17

5:44 am-10:43 am

1 stop6h 59m

Seattle/Tacoma Intl

Tue 1/6

2:09 pm-10:46 pm

1 stop6h 37m

$256

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Wed 12/10

9:02 am-3:24 pm

1 stop8h 22m

Seattle/Tacoma Intl

Sun 12/14

12:31 am-9:38 am

1 stop7h 07m

$286

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 $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 $271. 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 $358.

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 $238. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $330 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 $416 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 $355 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	$53
Fastest flight time	2h 10m
Direct flights	Every day
Airports in State of Washington	1 airport

The best one-way flight to State of Washington from United States in the past 72 hours is $53. The best round-trip flight deal from United States to State of Washington found on momondo in the last 72 hours is $92.

The fastest flight from United States to State of Washington takes 2h 10m

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

There is 1 airport near State of Washington: 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 November 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 737-900 Passenger/BBJ3 (winglets), making up 16.17% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 15.85%, Boeing 737 MAX 9 with 15.19%, and Airbus A321neo with 9.06%.

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 $50	Free Cancellation	Rating 5.8 3,110 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $58	Free Cancellation	Rating 6.3 8,144 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $78	Free Cancellation	Rating 7.8 2,809 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $98	Free Cancellation	Rating 7.9 8,010 reviews	Search Delta flights
Southwest	PriceFrom $123	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $125	Free Cancellation	Rating 8.0 11,301 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $131	Free Cancellation	Rating 7.4 9,017 reviews	Search United Airlines flights
JetBlue	PriceFrom $136	Free Cancellation	Rating 7.2 2,904 reviews	Search JetBlue flights
Sun Country Air	PriceFrom $167	Free Cancellation	Rating 6.9 336 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Tue 12/16

Tue 12/23

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington

Popular cities in Washington

Flights to New Yorkfrom $41

Flights to Los Angelesfrom $48

Flights to Miamifrom $48

Flights to Chicagofrom $57

Flights to Orlandofrom $39

Flights to Las Vegasfrom $40

Flights to San Franciscofrom $52

Flights to Washington, D.C.from $38

Flights to Bostonfrom $59

Flights to Atlantafrom $38

Flights to Dallasfrom $48

Flights to Seattlefrom $58

Fly your favorite airline to Washington

American Airlines flights to Washingtonfrom $169

Alaska Airlines flights to Washingtonfrom $78

Frontier flights to Washingtonfrom $62

Delta flights to Washingtonfrom $79

United Airlines flights to Washingtonfrom $235

Scandinavian Airlines

JetBlue

KLM

Etihad Airways

Cheap flights from the United States to Washington from $65

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 1/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from the United States to Washington

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

Recent one-way flight deals from the United States to Washington

Recent last minute flight deals from the United States to Washington

Recent direct flight deals from the United States to Washington

Frontier flights from United States to State of Washington

Our best Frontier 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

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

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 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?

Frontier, Delta, and United Airlines 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 November 2025, 437 flights take off from United States and land in State of Washington each day. The most common flight departure time for this route is 11:00AM, with 37% of daily flights taking off at noon.

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 3,060 per week as of November 2025. The most frequent departure day is Sun, 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 2h 07m and 2h 49m, 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