Cheap flights from the United States to Washington from $43

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 4/6. 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
2:45 pm - 5:42 pm
LAX
-
SEA
2h 57mnonstop
Frontier Logo
11:12 am - 2:04 pm
SEA
-
LAX
2h 52mnonstop
$77Frontier
Thu, Apr 30 - Sun, May 3
Frontier Logo
2:55 pm - 5:52 pm
LAX
-
SEA
2h 57mnonstop
Frontier Logo
10:57 am - 1:45 pm
SEA
-
LAX
2h 48mnonstop
$79Frontier
Fri, Apr 24 - Mon, Apr 27
United Airlines Logo
8:58 pm - 11:29 pm
SFO
-
SEA
2h 31mnonstop
United Airlines Logo
5:00 am - 7:23 am
SEA
-
SFO
2h 23mnonstop
$118United Airlines
Mon, May 11 - Fri, May 15
Delta Logo
5:05 pm - 11:59 pm
ONT
-
SEA
6h 54m
1 stop
Delta Logo
5:35 am - 12:14 pm
SEA
-
ONT
6h 39m
1 stop
$119Delta
Tue, Apr 14 - Sat, Apr 18
United Airlines Logo
8:58 pm - 11:27 pm
SFO
-
SEA
2h 29mnonstop
United Airlines Logo
7:12 am - 9:30 am
SEA
-
SFO
2h 18mnonstop
$119United Airlines
Sat, Apr 4 - Wed, Apr 8
Alaska Airlines Logo
2:00 pm - 4:17 pm
SFO
-
SEA
2h 17mnonstop
Alaska Airlines Logo
5:58 pm - 8:14 pm
SEA
-
SFO
2h 16mnonstop
$122Alaska Airlines
Sat, Apr 25 - Sat, Apr 25
Delta Logo
4:53 pm - 12:12 am
SFO
-
SEA
7h 19m
1 stop
Delta Logo
9:45 pm - 12:05 am
SEA
-
SFO
2h 20mnonstop
$127Delta
Fri, May 8 - Sat, May 16
Alaska Airlines Logo
7:15 pm - 11:59 pm
SFO
-
SEA
4h 44m
1 stop
Alaska Airlines Logo
9:24 pm - 11:44 pm
SEA
-
SFO
2h 20mnonstop
$128Alaska Airlines
Mon, Apr 20 - Mon, Apr 27
American Airlines Logo
6:55 am - 9:27 am
ORD
-
SEA
4h 32mnonstop
American Airlines Logo
6:00 am - 12:19 pm
SEA
-
ORD
4h 19mnonstop
$186American Airlines
Sat, Jun 13 - Sat, Jun 20
American Airlines Logo
9:40 pm - 12:24 am
ORD
-
SEA
4h 44mnonstop
American Airlines Logo
3:17 pm - 9:40 pm
SEA
-
ORD
4h 23mnonstop
$188American Airlines
Sat, Apr 4 - Tue, Apr 7

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
Apr 25
SFO2:00 pmSan Francisco
2h 17m
SEA4:17 pmSeattle/Tacoma Intl
Apr 25
SEA5:58 pmSeattle/Tacoma Intl
2h 16m
SFO8:14 pmSan Francisco
$122
Alaska Airlines
Apr 20
SFO7:15 pmSan Francisco
4h 44m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
Apr 27
SEA9:24 pmSeattle/Tacoma Intl
2h 20m
SFO11:44 pmSan Francisco
$128
Alaska Airlines
Apr 24
LAX4:57 pmLos Angeles Los Angeles
2h 56m
SEA7:53 pmSeattle/Tacoma Intl
Apr 26
SEA6:25 amSeattle/Tacoma Intl
2h 45m
LAX9:10 amLos Angeles Los Angeles
$129

Frontier flights from United States to State of Washington

Our best Frontier deals on United States to State of Washington flight tickets
Frontier
Apr 30
LAX2:45 pmLos Angeles Los Angeles
2h 57m
SEA5:42 pmSeattle/Tacoma Intl
May 3
SEA11:12 amSeattle/Tacoma Intl
2h 52m
LAX2:04 pmLos Angeles Los Angeles
$77
Frontier
Apr 24
LAX2:55 pmLos Angeles Los Angeles
2h 57m
SEA5:52 pmSeattle/Tacoma Intl
Apr 27
SEA10:57 amSeattle/Tacoma Intl
2h 48m
LAX1:45 pmLos Angeles Los Angeles
$79
Frontier
Apr 28
LAX2:45 pmLos Angeles Los Angeles
2h 57m
SEA5:42 pmSeattle/Tacoma Intl
May 2
SEA10:57 amSeattle/Tacoma Intl
2h 48m
LAX1:45 pmLos Angeles Los Angeles
$80

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 March 11, 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

Cheapest round-trip

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Thu 4/30

2:45 pm-5:42 pm

Nonstop2h 57m

Seattle/Tacoma Intl

Sun 5/3

11:12 am-2:04 pm

Nonstop2h 52m

$77

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Fri 4/24

2:55 pm-5:52 pm

Nonstop2h 57m

Seattle/Tacoma Intl

Mon 4/27

10:57 am-1:45 pm

Nonstop2h 48m

$79

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Mon 5/11

8:58 pm-11:29 pm

Nonstop2h 31m

Seattle/Tacoma Intl

Fri 5/15

5:00 am-7:23 am

Nonstop2h 23m

$118

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Tue 4/14

5:05 pm-11:59 pm

1 stop6h 54m

Seattle/Tacoma Intl

Sat 4/18

5:35 am-12:14 pm

1 stop6h 39m

$119

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 4/4

8:58 pm-11:27 pm

Nonstop2h 29m

Seattle/Tacoma Intl

Wed 4/8

7:12 am-9:30 am

Nonstop2h 18m

$119
Quickest round-trip

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 4/25

2:00 pm-4:17 pm

Nonstop2h 17m

Seattle/Tacoma Intl

Sat 4/25

5:58 pm-8:14 pm

Nonstop2h 16m

$122

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 5/8

4:53 pm-12:12 am

1 stop7h 19m

Seattle/Tacoma Intl

Sat 5/16

9:45 pm-12:05 am

Nonstop2h 20m

$127

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Mon 4/20

7:15 pm-11:59 pm

1 stop4h 44m

Seattle/Tacoma Intl

Mon 4/27

9:24 pm-11:44 pm

Nonstop2h 20m

$128

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sat 6/13

6:55 am-9:27 am

Nonstop4h 32m

Seattle/Tacoma Intl

Sat 6/20

6:00 am-12:19 pm

Nonstop4h 19m

$186

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sat 4/4

9:40 pm-12:24 am

Nonstop4h 44m

Seattle/Tacoma Intl

Tue 4/7

3:17 pm-9:40 pm

Nonstop4h 23m

$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 $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 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 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 $376.

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 $247. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $337 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 Los Angeles Los Angeles 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 $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 $357 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

$50

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 $50. The best round-trip flight deal from United States to State of Washington found on momondo in the last 72 hours is $79.
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).
  • 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
7.3
714 reviews
Search Allegiant Air flights
FrontierPriceFrom $47Free CancellationRating
5.7
3,035 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $58Free CancellationRating
6.3
8,516 reviews
Search Spirit Airlines flights
DeltaPriceFrom $75Free CancellationRating
7.9
8,277 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $78Free CancellationRating
7.8
2,838 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $97Free CancellationRating
8.0
4,317 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $108Free CancellationRating
8.0
12,026 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $117Free CancellationRating
7.4
9,414 reviews
Search United Airlines flights
JetBluePriceFrom $125Free CancellationRating
7.2
2,900 reviews
Search JetBlue flights
American AirlinesPriceFrom $158Free CancellationRating
7.1
11,420 reviews
Search American Airlines 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.

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1 adult
Fri 4/10
Fri 4/17

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