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

Delta, Alaska Airlines, and United Airlines 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 1h 59m and 2h 53m, 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.

$47 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 2,669 per week as of December 2025. The most frequent departure day is Mon, with 18% 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, 381 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

Enter your travel dates to find the best prices.

9:10 am - 11:19 am

DEN

SEA

3h 09mnonstop

12:34 pm - 4:25 pm

SEA

DEN

2h 51mnonstop

$57Frontier

Thu, Jan 22 - Sun, Jan 25

9:10 am - 11:21 am

DEN

SEA

3h 11mnonstop

12:26 pm - 4:17 pm

SEA

DEN

2h 51mnonstop

$58Frontier

Thu, Jan 8 - Fri, Jan 9

3:30 pm - 6:35 pm

ONT

SEA

3h 05mnonstop

7:00 pm - 11:58 pm

SEA

ONT

4h 58m1 stop

$129Delta

Thu, Jan 22 - Sun, Jan 25

7:30 am - 10:36 am

ONT

SEA

3h 06mnonstop

6:05 pm - 10:38 pm

SEA

ONT

4h 33m1 stop

$130Delta

Sat, Jan 10 - Sun, Jan 11

6:06 pm - 8:56 pm

ORD

SEA

4h 50mnonstop

5:50 pm - 11:50 pm

SEA

ORD

4h 00mnonstop

$177Alaska Airlines

Thu, Jan 8 - Fri, Jan 9

10:35 am - 1:14 pm

ORD

SEA

4h 39mnonstop

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

$181American Airlines

Sun, Jan 11 - Thu, Jan 15

8:50 am - 11:32 am

ORD

SEA

4h 42mnonstop

12:35 pm - 11:14 pm

SEA

ORD

8h 39m1 stop

$183United Airlines

Sat, Jan 17 - Tue, Jan 20

2:06 pm - 6:43 pm

ORD

SEA

6h 37m1 stop

8:30 am - 2:38 pm

SEA

ORD

4h 08mnonstop

$186Alaska Airlines

Fri, Jan 23 - Sat, Jan 31

3:00 pm - 8:57 pm

EWR

SEA

8h 57m1 stop

8:40 am - 7:17 pm

SEA

EWR

7h 37m1 stop

$213United Airlines

Sun, Jan 25 - Wed, Jan 28

Frontier flights from United States to State of Washington

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

Frontier

Jan 22

DEN9:10 amDenver Intl

3h 09m

SEA11:19 amSeattle/Tacoma Intl

Jan 25

SEA12:34 pmSeattle/Tacoma Intl

2h 51m

DEN4:25 pmDenver Intl

$57

Find similar

Frontier

Jan 8

DEN9:10 amDenver Intl

3h 11m

SEA11:21 amSeattle/Tacoma Intl

Jan 9

SEA12:26 pmSeattle/Tacoma Intl

2h 51m

DEN4:17 pmDenver Intl

$58

Find similar

Frontier

Jan 15

DEN9:00 amDenver Intl

3h 09m

SEA11:09 amSeattle/Tacoma Intl

Jan 18

SEA12:19 pmSeattle/Tacoma Intl

2h 51m

DEN4:10 pmDenver Intl

$59

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

Jan 8

DEN6:29 amDenver Intl

3h 11m

SEA8:40 amSeattle/Tacoma Intl

Jan 8

SEA1:45 pmSeattle/Tacoma Intl

2h 49m

DEN5:34 pmDenver Intl

$97

Find similar

Delta

Jan 7

DEN6:29 amDenver Intl

3h 11m

SEA8:40 amSeattle/Tacoma Intl

Jan 8

SEA5:25 amSeattle/Tacoma Intl

5h 29m

1 stop

DEN11:54 amDenver Intl

$107

Find similar

Delta

Jan 9

DEN6:23 pmDenver Intl

5h 59m

1 stop

SEA11:22 pmSeattle/Tacoma Intl

Jan 12

SEA1:38 pmSeattle/Tacoma Intl

5h 18m

1 stop

DEN7:56 pmDenver Intl

$117

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

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Thu 1/22

9:10 am-11:19 am

Nonstop3h 09m

Seattle/Tacoma Intl

Sun 1/25

12:34 pm-4:25 pm

Nonstop2h 51m

$57

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Thu 1/8

9:10 am-11:21 am

Nonstop3h 11m

Seattle/Tacoma Intl

Fri 1/9

12:26 pm-4:17 pm

Nonstop2h 51m

$58

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Thu 1/22

3:30 pm-6:35 pm

Nonstop3h 05m

Seattle/Tacoma Intl

Sun 1/25

7:00 pm-11:58 pm

1 stop4h 58m

$129

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 1/10

7:30 am-10:36 am

Nonstop3h 06m

Seattle/Tacoma Intl

Sun 1/11

6:05 pm-10:38 pm

1 stop4h 33m

$130

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Thu 1/8

6:06 pm-8:56 pm

Nonstop4h 50m

Seattle/Tacoma Intl

Fri 1/9

5:50 pm-11:50 pm

Nonstop4h 00m

$177

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Thu 1/8

10:35 am-1:14 pm

Nonstop4h 39m

Seattle/Tacoma Intl

Wed 1/14

8:04 am-2:15 pm

Nonstop4h 11m

$178

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sun 1/11

7:36 pm-10:20 pm

Nonstop4h 44m

Seattle/Tacoma Intl

Thu 1/15

8:04 am-2:15 pm

Nonstop4h 11m

$181

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sat 1/17

8:50 am-11:32 am

Nonstop4h 42m

Seattle/Tacoma Intl

Tue 1/20

12:35 pm-11:14 pm

1 stop8h 39m

$183

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 1/23

2:06 pm-6:43 pm

1 stop6h 37m

Seattle/Tacoma Intl

Sat 1/31

8:30 am-2:38 pm

Nonstop4h 08m

$186

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sun 1/25

3:00 pm-8:57 pm

1 stop8h 57m

Seattle/Tacoma Intl

Wed 1/28

8:40 am-7:17 pm

1 stop7h 37m

$213

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 $273. 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 $362.

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 $331 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 $418 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 $346 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	$30
Fastest flight time	0h 49m
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 $30. 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 49m

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 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 18.03% of the total bookings. Other popular models include Airbus A321neo with 10.81%, Boeing 737-900 with 10.32%, and Boeing 737 MAX 9 with 8.95%.

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 7.2 699 reviews	Search Allegiant Air flights
Frontier	PriceFrom $50	Free Cancellation	Rating 5.8 3,085 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $58	Free Cancellation	Rating 6.3 8,174 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $78	Free Cancellation	Rating 7.8 2,818 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $102	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
Alaska Airlines	PriceFrom $120	Free Cancellation	Rating 8.0 11,423 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $128	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights
Southwest	PriceFrom $137	Free Cancellation	Rating 7.9 4,253 reviews	Search Southwest flights
JetBlue	PriceFrom $142	Free Cancellation	Rating 7.2 2,899 reviews	Search JetBlue flights
Sun Country Air	PriceFrom $153	Free Cancellation	Rating 6.9 334 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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Popular cities in Washington

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Fly your favorite airline to Washington

American Airlines flights to Washingtonfrom $256

Alaska Airlines flights to Washingtonfrom $78

Frontier flights to Washingtonfrom $25

Delta flights to Washingtonfrom $99

United Airlines flights to Washingtonfrom $160

Scandinavian Airlines

Etihad Airways

KLM

Cheap flights from the United States to Washington from $47

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 2/10. 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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Big names and deals

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Filter for what you want

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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

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 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?

Delta, Alaska Airlines, 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 December 2025, 381 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 2,669 per week as of December 2025. The most frequent departure day is Mon, with 18% 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 59m and 2h 53m, 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