Cheap flights from the United States to Washington from $52

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 4/5. 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
9:10 am - 11:19 am
DEN
-
SEA
3h 09mnonstop
Frontier Logo
12:24 pm - 4:15 pm
SEA
-
DEN
2h 51mnonstop
$71Frontier
Fri, Mar 6 - Mon, Mar 16
Frontier Logo
9:52 am - 12:01 pm
DEN
-
SEA
3h 09mnonstop
Frontier Logo
12:24 pm - 4:15 pm
SEA
-
DEN
2h 51mnonstop
$72Frontier
Thu, Mar 5 - Sun, Mar 8
United Airlines Logo
9:18 pm - 11:30 pm
SFO
-
SEA
2h 12mnonstop
United Airlines Logo
12:36 pm - 2:55 pm
SEA
-
SFO
2h 19mnonstop
$147United Airlines
Sat, Feb 28 - Tue, Mar 10
Alaska Airlines Logo
4:02 pm - 6:52 pm
ONT
-
SEA
2h 50mnonstop
Alaska Airlines Logo
8:56 pm - 11:32 pm
SEA
-
ONT
2h 36mnonstop
$157Alaska Airlines
Sat, Mar 7 - Mon, Mar 9
Alaska Airlines Logo
6:14 am - 9:09 am
ONT
-
SEA
2h 55mnonstop
Alaska Airlines Logo
8:56 pm - 11:32 pm
SEA
-
ONT
2h 36mnonstop
$167Alaska Airlines
Sat, Feb 28 - Fri, Mar 6
United Airlines Logo
3:17 pm - 10:43 pm
EWR
-
SEA
10h 26m
1 stop
United Airlines Logo
12:43 pm - 9:00 pm
SEA
-
EWR
5h 17mnonstop
$207United Airlines
Tue, Feb 24 - Thu, Feb 26
American Airlines Logo
5:00 am - 11:27 am
IAD
-
SEA
9h 27m
1 stop
American Airlines Logo
5:37 am - 4:34 pm
SEA
-
IAD
7h 57m
1 stop
$217American Airlines
Wed, Feb 18 - Sat, Feb 21
Delta Logo
7:30 am - 10:45 am
JFK
-
SEA
6h 15mnonstop
Delta Logo
1:45 pm - 10:03 pm
SEA
-
JFK
5h 18mnonstop
$237Delta
Wed, Mar 25 - Wed, Apr 1
Delta Logo
7:30 am - 10:29 am
IAD
-
SEA
5h 59mnonstop
Delta Logo
3:55 pm - 11:48 pm
SEA
-
IAD
4h 53mnonstop
$237Delta
Wed, Feb 25 - Fri, Mar 13
American Airlines Logo
3:15 pm - 10:48 pm
JFK
-
SEA
10h 33m
1 stop
American Airlines Logo
11:57 pm - 11:31 am
SEA
-
JFK
8h 34m
1 stop
$251American Airlines
Wed, Feb 25 - Sat, Feb 28

Delta flights from United States to State of Washington

Our best Delta deals on United States to State of Washington flight tickets
Delta
Feb 25
LAX5:35 pmLos Angeles
2h 55m
SEA8:30 pmSeattle/Tacoma Intl
Feb 28
SEA11:17 amSeattle/Tacoma Intl
2h 38m
LAX1:55 pmLos Angeles
$137
Delta
Feb 28
SFO5:55 amSan Francisco
2h 18m
SEA8:13 amSeattle/Tacoma Intl
Mar 7
SEA8:30 pmSeattle/Tacoma Intl
2h 11m
SFO10:41 pmSan Francisco
$147
Delta
Apr 14
SFO10:32 amSan Francisco
2h 23m
SEA12:55 pmSeattle/Tacoma Intl
Apr 16
SEA11:45 amSeattle/Tacoma Intl
2h 20m
SFO2:05 pmSan Francisco
$152

Frontier flights from United States to State of Washington

Our best Frontier deals on United States to State of Washington flight tickets
Frontier
Mar 6
DEN9:10 amDenver Intl
3h 09m
SEA11:19 amSeattle/Tacoma Intl
Mar 16
SEA12:24 pmSeattle/Tacoma Intl
2h 51m
DEN4:15 pmDenver Intl
$71
Frontier
Mar 5
DEN9:52 amDenver Intl
3h 09m
SEA12:01 pmSeattle/Tacoma Intl
Mar 8
SEA12:24 pmSeattle/Tacoma Intl
2h 51m
DEN4:15 pmDenver Intl
$72
Frontier
Apr 4
DEN9:25 amDenver Intl
3h 12m
SEA11:37 amSeattle/Tacoma Intl
Apr 14
SEA6:57 pmSeattle/Tacoma Intl
2h 52m
DEN10:49 pmDenver Intl
$74

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 February 3, 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

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Fri 3/6

9:10 am-11:19 am

Nonstop3h 09m

Seattle/Tacoma Intl

Mon 3/16

12:24 pm-4:15 pm

Nonstop2h 51m

$71

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Thu 3/5

9:52 am-12:01 pm

Nonstop3h 09m

Seattle/Tacoma Intl

Sun 3/8

12:24 pm-4:15 pm

Nonstop2h 51m

$72

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 2/28

9:18 pm-11:30 pm

Nonstop2h 12m

Seattle/Tacoma Intl

Tue 3/10

12:36 pm-2:55 pm

Nonstop2h 19m

$147

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 3/7

4:02 pm-6:52 pm

Nonstop2h 50m

Seattle/Tacoma Intl

Mon 3/9

8:56 pm-11:32 pm

Nonstop2h 36m

$157

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 2/28

6:14 am-9:09 am

Nonstop2h 55m

Seattle/Tacoma Intl

Fri 3/6

8:56 pm-11:32 pm

Nonstop2h 36m

$167

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 2/24

3:17 pm-10:43 pm

1 stop10h 26m

Seattle/Tacoma Intl

Thu 2/26

12:43 pm-9:00 pm

Nonstop5h 17m

$207

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 2/18

5:00 am-11:27 am

1 stop9h 27m

Seattle/Tacoma Intl

Sat 2/21

5:37 am-4:34 pm

1 stop7h 57m

$217

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Wed 3/25

7:30 am-10:45 am

Nonstop6h 15m

Seattle/Tacoma Intl

Wed 4/1

1:45 pm-10:03 pm

Nonstop5h 18m

$237

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 2/25

7:30 am-10:29 am

Nonstop5h 59m

Seattle/Tacoma Intl

Fri 3/13

3:55 pm-11:48 pm

Nonstop4h 53m

$237

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Wed 2/25

3:15 pm-10:48 pm

1 stop10h 33m

Seattle/Tacoma Intl

Sat 2/28

11:57 pm-11:31 am

1 stop8h 34m

$251

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 $377.

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 $242. 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 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 $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 $344 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

$78

Fastest flight time

0h 45m

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 $78. The best round-trip flight deal from United States to State of Washington found on momondo in the last 72 hours is $93.
The fastest flight from United States to State of Washington takes 0h 45m
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
7.2
708 reviews
Search Allegiant Air flights
FrontierPriceFrom $46Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $57Free CancellationRating
6.3
8,399 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $78Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $93Free CancellationRating
7.9
8,135 reviews
Search Delta flights
SouthwestPriceFrom $104Free CancellationRating
8.0
4,272 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $112Free CancellationRating
8.0
11,831 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $117Free CancellationRating
7.4
9,231 reviews
Search United Airlines flights
JetBluePriceFrom $122Free CancellationRating
7.2
2,893 reviews
Search JetBlue flights
Sun Country AirPriceFrom $172Free CancellationRating
6.9
342 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.

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1 adult
Thu 3/5
Thu 3/12

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