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 46m, respectively.

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

Delta, Southwest, 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 47% 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 April 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.

$62 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 April 2026, 259 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.

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 1,815 per week as of April 2026. The most frequent departure day is Wed, with 22% of weekly flights leaving on this day.

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

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7:50 am - 9:49 am

DEN

SEA

2h 59mnonstop

7:50 pm - 11:54 pm

SEA

DEN

3h 04mnonstop

$98Frontier

Mo, Mai 11 - Di, Mai 19

7:50 am - 9:49 am

DEN

SEA

2h 59mnonstop

7:50 pm - 11:54 pm

SEA

DEN

3h 04mnonstop

$101Frontier

Di, Mai 12 - Fr, Mai 29

5:55 am - 8:17 am

SFO

SEA

2h 22mnonstop

7:15 am - 9:34 am

SEA

SFO

2h 19mnonstop

$137Delta

Do, Mai 14 - So, Mai 17

7:00 am - 9:22 am

SFO

SEA

2h 22mnonstop

3:33 pm - 5:47 pm

SEA

SFO

2h 14mnonstop

$141United Airlines

Mi, Mai 27 - Di, Jun 2

10:59 pm - 1:13 am

SFO

SEA

2h 14mnonstop

3:33 pm - 5:47 pm

SEA

SFO

2h 14mnonstop

$147United Airlines

Di, Mai 26 - Fr, Mai 29

8:59 pm - 11:24 pm

SFO

SEA

2h 25mnonstop

9:25 pm - 11:46 pm

SEA

SFO

2h 21mnonstop

$161Delta

Di, Jun 9 - Di, Aug 18

7:30 am - 10:14 am

ORD

SEA

4h 44mnonstop

3:17 pm - 9:40 pm

SEA

ORD

4h 23mnonstop

$237American Airlines

Di, Mai 12 - Mi, Mai 20

7:00 am - 12:50 pm

ORD

SEA

7h 50m

1 stop

5:48 pm - 11:59 pm

SEA

ORD

4h 11mnonstop

$241Alaska Airlines

Mi, Sep 2 - Mi, Sep 9

6:00 am - 8:46 am

IAD

SEA

5h 46mnonstop

3:53 pm - 11:59 pm

SEA

IAD

5h 06mnonstop

$262Alaska Airlines

Do, Mai 28 - Do, Jun 4

11:00 am - 7:36 pm

JFK

SEA

11h 36m

1 stop

7:10 am - 7:59 pm

SEA

JFK

9h 49m

1 stop

$297American Airlines

Di, Mai 5 - Sa, Mai 9

United Airlines flights from United States to State of Washington

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

United Airlines

May 26

SFO10:59 pmSan Francisco

2h 14m

SEA1:13 amSeattle/Tacoma Intl

May 29

SEA3:33 pmSeattle/Tacoma Intl

2h 14m

SFO5:47 pmSan Francisco

$147

United Airlines

May 12

SFO6:35 pmSan Francisco

2h 31m

SEA9:06 pmSeattle/Tacoma Intl

May 23

SEA3:30 pmSeattle/Tacoma Intl

2h 14m

SFO5:44 pmSan Francisco

$151

United Airlines

Jun 6

SFO6:28 pmSan Francisco

2h 25m

SEA8:53 pmSeattle/Tacoma Intl

Jun 8

SEA8:45 amSeattle/Tacoma Intl

2h 18m

SFO11:03 amSan Francisco

$199

Alaska Airlines flights from United States to State of Washington

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

Alaska Airlines

Jun 4

LAX12:31 pmLos Angeles

2h 57m

SEA3:28 pmSeattle/Tacoma Intl

Jun 4

SEA5:28 pmSeattle/Tacoma Intl

2h 44m

LAX8:12 pmLos Angeles

$132

Alaska Airlines

May 27

SFO6:00 amSan Francisco

2h 17m

SEA8:17 amSeattle/Tacoma Intl

Jun 2

SEA7:00 amSeattle/Tacoma Intl

2h 18m

SFO9:18 amSan Francisco

$141

Alaska Airlines

Aug 20

SFO6:00 amSan Francisco

2h 11m

SEA8:11 amSeattle/Tacoma Intl

Aug 28

SEA3:42 pmSeattle/Tacoma Intl

2h 18m

SFO6:00 pmSan Francisco

$153

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest round-trip

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Mo 5/11

7:50 am-9:49 am

Nonstop2h 59m

Seattle/Tacoma Intl

Di 5/19

7:50 pm-11:54 pm

Nonstop3h 04m

$98

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Di 5/12

7:50 am-9:49 am

Nonstop2h 59m

Seattle/Tacoma Intl

Fr 5/29

7:50 pm-11:54 pm

Nonstop3h 04m

$101

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Do 5/14

5:55 am-8:17 am

Nonstop2h 22m

Seattle/Tacoma Intl

So 5/17

7:15 am-9:34 am

Nonstop2h 19m

$137

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Mi 5/27

7:00 am-9:22 am

Nonstop2h 22m

Seattle/Tacoma Intl

Di 6/2

3:33 pm-5:47 pm

Nonstop2h 14m

$141

Quickest round-trip

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Di 5/26

10:59 pm-1:13 am

Nonstop2h 14m

Seattle/Tacoma Intl

Fr 5/29

3:33 pm-5:47 pm

Nonstop2h 14m

$147

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Di 6/9

8:59 pm-11:24 pm

Nonstop2h 25m

Seattle/Tacoma Intl

Di 8/18

9:25 pm-11:46 pm

Nonstop2h 21m

$161

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Di 5/12

7:30 am-10:14 am

Nonstop4h 44m

Seattle/Tacoma Intl

Mi 5/20

3:17 pm-9:40 pm

Nonstop4h 23m

$237

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Mi 9/2

7:00 am-12:50 pm

1 stop7h 50m

Seattle/Tacoma Intl

Mi 9/9

5:48 pm-11:59 pm

Nonstop4h 11m

$241

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Do 5/28

6:00 am-8:46 am

Nonstop5h 46m

Seattle/Tacoma Intl

Do 6/4

3:53 pm-11:59 pm

Nonstop5h 06m

$262

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Di 5/5

11:00 am-7:36 pm

1 stop11h 36m

Seattle/Tacoma Intl

Sa 5/9

7:10 am-7:59 pm

1 stop9h 49m

$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 Thursday. Travelers who choose to depart for State of Washington on a Thursday 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 $396.

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 $269. 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 Bellingham 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 $420 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 State of Washington flights?

There are 4 cabin classes available to choose from on United States to State of 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.

Frequently asked questions about flying from the United States to 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 April 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 17.02% of the total bookings. Other popular models include Airbus A321neo with 15.42%, Boeing 737-900 with 11.12%, and Boeing 737 MAX 8 with 9.62%.

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 $35	Free Cancellation	Rating 7.3 706 reviews	Search Allegiant Air flights
Frontier	PriceFrom $51	Free Cancellation	Rating 5.6 2,982 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $58	Free Cancellation	Rating 6.3 8,627 reviews	Search Spirit Airlines flights
Delta	PriceFrom $74	Free Cancellation	Rating 7.9 8,433 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $78	Free Cancellation	Rating 7.8 2,837 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $97	Free Cancellation	Rating 7.9 12,273 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $97	Free Cancellation	Rating 8.0 4,328 reviews	Search Southwest flights
United Airlines	PriceFrom $117	Free Cancellation	Rating 7.4 9,628 reviews	Search United Airlines flights
JetBlue	PriceFrom $129	Free Cancellation	Rating 7.2 2,949 reviews	Search JetBlue flights
Sun Country Air	PriceFrom $172	Free Cancellation	Rating 6.8 337 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.