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Cheap flights from New York LaGuardia Airport to Washington from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to Washington departing on 10/4. 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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Find the cheapest flights from New York LaGuardia Airport to Washington

Cheap round-trip flights

American Airlines Logo
8:30 am - 1:46 pmLGA-SEA
8h 16m1 stop
American Airlines Logo
10:39 am - 9:25 pmSEA-LGA
7h 46m1 stop
$196American Airlines
Find Deal
Thu, Oct 16 - Wed, Oct 22
American Airlines Logo
6:58 pm - 12:27 amLGA-SEA
8h 29m1 stop
American Airlines Logo
12:30 pm - 11:45 pmSEA-LGA
8h 15m1 stop
$197American Airlines
Find Deal
Sat, Oct 18 - Fri, Oct 24
Southwest Logo
3:30 pm - 11:45 pmLGA-SEA
11h 15m2 stops
Southwest Logo
12:35 pm - 11:20 pmSEA-LGA
7h 45m1 stop
$202Southwest
Find Deal
Tue, Oct 21 - Tue, Oct 28
Frontier Logo
10:55 pm - 7:33 amLGA-SEA
11h 38m1 stop
Frontier Logo
1:18 pm - 3:57 pmSEA-LGA
23h 39m2 stops
$204Frontier
Find Deal
Thu, Oct 23 - Thu, Oct 30
Frontier Logo
10:56 pm - 12:30 amLGA-SEA
28h 34m1 stop
Frontier Logo
7:00 am - 10:11 pmSEA-LGA
12h 11m1 stop
$205Frontier
Find Deal
Wed, Oct 1 - Sat, Oct 4
Southwest Logo
3:30 pm - 11:45 pmLGA-SEA
11h 15m2 stops
Southwest Logo
6:35 am - 10:05 pmSEA-LGA
12h 30m2 stops
$207Southwest
Find Deal
Tue, Oct 21 - Sat, Oct 25
Delta Logo
6:00 pm - 11:54 pmLGA-SEA
8h 54m1 stop
Delta Logo
11:55 pm - 10:54 amSEA-LGA
7h 59m1 stop
$237Delta
Find Deal
Tue, Oct 21 - Sat, Oct 25
United Airlines Logo
8:25 am - 3:32 pmLGA-SEA
10h 07m2 stops
United Airlines Logo
11:59 pm - 9:07 amSEA-LGA
7h 08m1 stop
$242United Airlines
Find Deal
Sat, Oct 25 - Sat, Nov 1
United Airlines Logo
2:56 pm - 8:44 pmLGA-SEA
8h 48m1 stop
United Airlines Logo
1:12 pm - 11:44 pmSEA-LGA
7h 32m1 stop
$247United Airlines
Find Deal
Sat, Oct 4 - Sat, Oct 11
Delta Logo
7:55 am - 1:05 pmLGA-GEG
8h 10m1 stop
Delta Logo
5:45 am - 5:01 pmGEG-LGA
8h 16m1 stop
$259Delta
Find Deal
Sat, Oct 25 - Tue, Oct 28

Southwest flights from New York LaGuardia Airport to State of Washington

Our best Southwest deals on New York LaGuardia Airport to State of Washington flight tickets
Southwest
Oct 3
LGA9:00 amNew York LaGuardia
9h 00m
1 stop
SEA3:00 pmSeattle/Tacoma Intl
Oct 6
SEA5:15 amSeattle/Tacoma Intl
9h 55m
1 stop
LGA6:10 pmNew York LaGuardia
$197
Find similar
Southwest
Oct 21
LGA3:30 pmNew York LaGuardia
11h 15m
2 stops
SEA11:45 pmSeattle/Tacoma Intl
Oct 28
SEA12:35 pmSeattle/Tacoma Intl
7h 45m
1 stop
LGA11:20 pmNew York LaGuardia
$202
Find similar
Southwest
Oct 21
LGA3:30 pmNew York LaGuardia
11h 15m
2 stops
SEA11:45 pmSeattle/Tacoma Intl
Oct 25
SEA6:35 amSeattle/Tacoma Intl
12h 30m
2 stops
LGA10:05 pmNew York LaGuardia
$207
Find similar

Frontier flights from New York LaGuardia Airport to State of Washington

Our best Frontier deals on New York LaGuardia Airport to State of Washington flight tickets
Frontier
Oct 23
LGA10:55 pmNew York LaGuardia
11h 38m
1 stop
SEA7:33 amSeattle/Tacoma Intl
Oct 30
SEA1:18 pmSeattle/Tacoma Intl
23h 39m
2 stops
LGA3:57 pmNew York LaGuardia
$204
Find similar
Frontier
Oct 1
LGA10:56 pmNew York LaGuardia
28h 34m
1 stop
SEA12:30 amSeattle/Tacoma Intl
Oct 4
SEA7:00 amSeattle/Tacoma Intl
12h 11m
1 stop
LGA10:11 pmNew York LaGuardia
$205
Find similar
Frontier
Oct 1
LGA10:56 pmNew York LaGuardia
28h 34m
1 stop
SEA12:30 amSeattle/Tacoma Intl
Oct 4
SEA7:00 amSeattle/Tacoma Intl
12h 11m
1 stop
LGA10:11 pmNew York LaGuardia
$206
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from New York LaGuardia Airport 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 September 21, 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Thu 10/16

8:30 am-1:46 pm

1 stop8h 16m

Seattle/Tacoma Intl

Wed 10/22

10:39 am-9:25 pm

1 stop7h 46m

$196

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 10/18

6:58 pm-12:27 am

1 stop8h 29m

Seattle/Tacoma Intl

Fri 10/24

12:30 pm-11:45 pm

1 stop8h 15m

$197

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 10/21

3:30 pm-11:45 pm

2 stops11h 15m

Seattle/Tacoma Intl

Tue 10/28

12:35 pm-11:20 pm

1 stop7h 45m

$202

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Thu 10/23

10:55 pm-7:33 am

1 stop11h 38m

Seattle/Tacoma Intl

Thu 10/30

1:18 pm-3:57 pm

2 stops23h 39m

$204

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 10/1

10:56 pm-12:30 am

1 stop28h 34m

Seattle/Tacoma Intl

Sat 10/4

7:00 am-10:11 pm

1 stop12h 11m

$205

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 10/21

3:30 pm-11:45 pm

2 stops11h 15m

Seattle/Tacoma Intl

Sat 10/25

6:35 am-10:05 pm

2 stops12h 30m

$207

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 10/21

6:00 pm-11:54 pm

1 stop8h 54m

Seattle/Tacoma Intl

Sat 10/25

11:55 pm-10:54 am

1 stop7h 59m

$237

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 10/25

8:25 am-3:32 pm

2 stops10h 07m

Seattle/Tacoma Intl

Sat 11/1

11:59 pm-9:07 am

1 stop7h 08m

$242

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 10/4

2:56 pm-8:44 pm

1 stop8h 48m

Seattle/Tacoma Intl

Sat 10/11

1:12 pm-11:44 pm

1 stop7h 32m

$247

New YorkSpokane

LGA - GEG

LGAGEG

New York LaGuardia

Sat 10/25

7:55 am-1:05 pm

1 stop8h 10m

Spokane

Tue 10/28

5:45 am-5:01 pm

1 stop8h 16m

$259

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 New York LaGuardia Airport 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 New York LaGuardia Airport, with most prices found around $226. If you aren’t able to travel to State of Washington during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $296.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from New York LaGuardia Airport to State of Washington is on a Monday. Travelers who choose to depart for State of Washington on a Monday will often find tickets for as low as $332. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from New York LaGuardia Airport to State of Washington for around $496.

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 evening when flights can be purchased for as low as $336. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $435 on average. Flights to State of Washington from New York LaGuardia Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 New York LaGuardia Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $426 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 New York LaGuardia Airport for as low as $295 on momondo.

Can stopping save me money on New York LaGuardia Airport to State of Washington flights?

You could potentially save up to 65% on your flight if you consider stops on a New York LaGuardia Airport to State of Washington flight.

Cheap New York LaGuardia Airport to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to State of Washington

Direct flights

None
There are no direct flights from New York LaGuardia Airport to State of Washington. There are no popular flight routes from New York LaGuardia Airport to State of Washington.
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  • When did momondo last update prices for flights from New York LaGuardia Airport to Washington?

    Prices for flights from New York LaGuardia Airport to Washington are refreshed on a daily basis.

  • How many operators does momondo search for flights from New York LaGuardia Airport to Washington?

  • How old do you have to be to fly from New York LaGuardia Airport to Washington?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New York LaGuardia Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from New York LaGuardia Airport to State of Washington?

Best airlines flying from New York LaGuardia Airport to State of Washington

Compare and see reviews for airlines that fly from New York LaGuardia Airport to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $138Free CancellationRating
5.8
3,166 reviews
Search Frontier flights
American AirlinesPriceFrom $216Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $236Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
DeltaPriceFrom $257Free CancellationRating
7.9
7,971 reviews
Search Delta flights
United AirlinesPriceFrom $274Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $347Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from New York to Washington?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from New York to Washington. momondo saves you time and could save you money on your trip.

Can I find flights from New York to Washington with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington from New York which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from New York to Washington?

momondo provides multiple filters to help you find the best flight to Washington from New York. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from New York to Washington right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of New York to Washington flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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