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Cheap flights from the United States to Washington from $56

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 3/20. 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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0 bags

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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

Enter your travel dates to find the best prices.
Frontier Logo
8:01 am - 11:01 am
LAX
-
SEA
3h 00mnonstop
Frontier Logo
9:28 am - 12:21 pm
SEA
-
LAX
2h 53mnonstop
$87Frontier
Thu, Feb 19 - Thu, Feb 26
Frontier Logo
8:01 am - 11:01 am
LAX
-
SEA
3h 00mnonstop
Frontier Logo
10:03 am - 12:58 pm
SEA
-
LAX
2h 55mnonstop
$88Frontier
Thu, Feb 19 - Sun, Feb 22
United Airlines Logo
9:18 pm - 11:30 pm
SFO
-
SEA
2h 12mnonstop
United Airlines Logo
12:32 pm - 2:50 pm
SEA
-
SFO
2h 18mnonstop
$117United Airlines
Fri, Feb 27 - Mon, Mar 2
Delta Logo
5:55 am - 8:13 am
SFO
-
SEA
2h 18mnonstop
Delta Logo
11:35 am - 1:48 pm
SEA
-
SFO
2h 13mnonstop
$118Delta
Sat, Feb 28 - Mon, Mar 2
Delta Logo
5:55 am - 8:13 am
SFO
-
SEA
2h 18mnonstop
Delta Logo
7:10 am - 9:30 am
SEA
-
SFO
2h 20mnonstop
$119Delta
Fri, Feb 27 - Sun, Mar 1
Alaska Airlines Logo
10:16 am - 12:34 pm
SJC
-
SEA
2h 18mnonstop
Alaska Airlines Logo
2:59 pm - 5:09 pm
SEA
-
SJC
2h 10mnonstop
$152Alaska Airlines
Wed, Feb 25 - Wed, Feb 25
Alaska Airlines Logo
2:56 pm - 6:54 pm
SJC
-
SEA
3h 58m
1 stop
Alaska Airlines Logo
9:15 pm - 11:26 pm
SEA
-
SJC
2h 11mnonstop
$161Alaska Airlines
Tue, May 19 - Tue, May 19
United Airlines Logo
8:01 pm - 10:45 pm
ORD
-
SEA
4h 44mnonstop
United Airlines Logo
7:00 am - 1:06 pm
SEA
-
ORD
4h 06mnonstop
$177United Airlines
Fri, Mar 6 - Sun, Mar 8
American Airlines Logo
9:40 pm - 12:24 am
ORD
-
SEA
4h 44mnonstop
American Airlines Logo
12:13 am - 6:29 am
SEA
-
ORD
4h 16mnonstop
$186American Airlines
Sat, Mar 7 - Fri, Mar 13
American Airlines Logo
9:40 pm - 12:24 am
ORD
-
SEA
4h 44mnonstop
American Airlines Logo
12:07 am - 6:23 am
SEA
-
ORD
4h 16mnonstop
$188American Airlines
Mon, Mar 30 - Wed, Apr 1

Delta flights from United States to State of Washington

Our best Delta deals on United States to State of Washington flight tickets
Delta
Feb 28
SFO5:55 amSan Francisco
2h 18m
SEA8:13 amSeattle/Tacoma Intl
Mar 2
SEA11:35 amSeattle/Tacoma Intl
2h 13m
SFO1:48 pmSan Francisco
$118
Delta
Feb 27
SFO5:55 amSan Francisco
2h 18m
SEA8:13 amSeattle/Tacoma Intl
Mar 1
SEA7:10 amSeattle/Tacoma Intl
2h 20m
SFO9:30 amSan Francisco
$119
Delta
Mar 22
SFO6:00 amSan Francisco
2h 16m
SEA8:16 amSeattle/Tacoma Intl
Apr 29
SEA11:45 amSeattle/Tacoma Intl
2h 20m
SFO2:05 pmSan Francisco
$132

Frontier flights from United States to State of Washington

Our best Frontier deals on United States to State of Washington flight tickets
Frontier
Feb 19
LAX8:01 amLos Angeles
3h 00m
SEA11:01 amSeattle/Tacoma Intl
Feb 26
SEA9:28 amSeattle/Tacoma Intl
2h 53m
LAX12:21 pmLos Angeles
$87
Frontier
Feb 19
LAX8:01 amLos Angeles
3h 00m
SEA11:01 amSeattle/Tacoma Intl
Feb 22
SEA10:03 amSeattle/Tacoma Intl
2h 55m
LAX12:58 pmLos Angeles
$88
Frontier
Mar 17
LAX2:14 pmLos Angeles
2h 55m
SEA5:09 pmSeattle/Tacoma Intl
Mar 18
SEA6:24 pmSeattle/Tacoma Intl
2h 48m
LAX9:12 pmLos Angeles
$90

momondo Fare Finder

 
Customize your flight search to find flights from United States to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 29, 2026.
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 2/19

8:01 am-11:01 am

Nonstop3h 00m

Seattle/Tacoma Intl

Thu 2/26

9:28 am-12:21 pm

Nonstop2h 53m

$87

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 2/19

8:01 am-11:01 am

Nonstop3h 00m

Seattle/Tacoma Intl

Sun 2/22

10:03 am-12:58 pm

Nonstop2h 55m

$88

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 2/27

9:18 pm-11:30 pm

Nonstop2h 12m

Seattle/Tacoma Intl

Mon 3/2

12:32 pm-2:50 pm

Nonstop2h 18m

$117

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 2/28

5:55 am-8:13 am

Nonstop2h 18m

Seattle/Tacoma Intl

Mon 3/2

11:35 am-1:48 pm

Nonstop2h 13m

$118

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 2/27

5:55 am-8:13 am

Nonstop2h 18m

Seattle/Tacoma Intl

Sun 3/1

7:10 am-9:30 am

Nonstop2h 20m

$119

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 2/25

10:16 am-12:34 pm

Nonstop2h 18m

Seattle/Tacoma Intl

Wed 2/25

2:59 pm-5:09 pm

Nonstop2h 10m

$152

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 5/19

2:56 pm-6:54 pm

1 stop3h 58m

Seattle/Tacoma Intl

Tue 5/19

9:15 pm-11:26 pm

Nonstop2h 11m

$161

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 3/6

8:01 pm-10:45 pm

Nonstop4h 44m

Seattle/Tacoma Intl

Sun 3/8

7:00 am-1:06 pm

Nonstop4h 06m

$177

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sat 3/7

9:40 pm-12:24 am

Nonstop4h 44m

Seattle/Tacoma Intl

Fri 3/13

12:13 am-6:29 am

Nonstop4h 16m

$186

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Mon 3/30

9:40 pm-12:24 am

Nonstop4h 44m

Seattle/Tacoma Intl

Wed 4/1

12:07 am-6:23 am

Nonstop4h 16m

$188

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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 $274. 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 $380.

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 $343 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 Spokane 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 $343 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

$68

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 $68. The best round-trip flight deal from United States to State of Washington found on momondo in the last 72 hours is $78.
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?

  • 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?

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 AirPriceFrom $36Free CancellationRating
7.2
706 reviews
Search Allegiant Air flights
FrontierPriceFrom $46Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $57Free CancellationRating
6.3
8,389 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $78Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $92Free CancellationRating
7.9
8,128 reviews
Search Delta flights
SouthwestPriceFrom $104Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $111Free CancellationRating
8.0
11,805 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $117Free CancellationRating
7.4
9,214 reviews
Search United Airlines flights
JetBluePriceFrom $121Free CancellationRating
7.2
2,892 reviews
Search JetBlue flights
Sun Country AirPriceFrom $165Free CancellationRating
6.9
343 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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