$172+ Cheap flights from Seattle (SEA) to LaGuardia, NY (LGA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGA
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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Cheapest flights from Seattle to LaGuardiaExplore the most affordable flight options available from Seattle to LaGuardia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from Seattle to LaGuardia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:43 pm
SEA
- LGA
1 stop7h 46m
United Airlines
Tue 10/276:00 am
LGA
- SEA
1 stop8h 53m
United Airlines
Deal found 7/22![United Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:25 am
SEA
- LGA
1 stop9h 00m
American Airlines
Thu 9/1012:00 pm
LGA
- SEA
1 stop9h 37m
American Airlines
Deal found 7/22![American Airlines logo]()
$336
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:00 pm
SEA
- LGA
1 stop7h 13m
United Airlines
Tue 9/159:10 am
LGA
- SEA
1 stop9h 57m
United Airlines
Deal found 7/22![United Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:15 am
SEA
- LGA
1 stop9h 15m
American Airlines
Sun 9/66:59 pm
LGA
- SEA
1 stop8h 51m
American Airlines
Deal found 7/22![American Airlines logo]()
$338
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:15 am
SEA
- LGA
1 stop7h 40m
Southwest
Sat 9/192:00 pm
LGA
- SEA
1 stop9h 55m
Southwest
Deal found 7/22![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:04 pm
SEA
- LGA
1 stop7h 35m
United Airlines
Mon 8/314:25 pm
LGA
- SEA
1 stop9h 18m
United Airlines
Deal found 7/19![United Airlines logo]()
$345
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:40 am
SEA
- LGA
1 stop10h 35m
Southwest
Wed 8/262:30 pm
LGA
- SEA
2 stops11h 35m
Southwest
Deal found 7/22![Southwest logo]()
$348
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:25 am
SEA
- LGA
1 stop9h 00m
American Airlines
Wed 9/98:39 am
LGA
- SEA
1 stop9h 12m
American Airlines
Deal found 7/19![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:13 pm
SEA
- LGA
1 stop7h 02m
United Airlines
Fri 10/164:25 pm
LGA
- SEA
1 stop9h 31m
United Airlines
Deal found 7/21![United Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:00 pm
SEA
- LGA
1 stop7h 40m
Southwest
Wed 9/169:45 am
LGA
- SEA
2 stops11h 25m
Southwest
Deal found 7/19![Southwest logo]()
$352
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:45 am
SEA
- LGA
2 stops10h 40m
Southwest
Wed 12/167:00 am
LGA
- SEA
2 stops14h 35m
Southwest
Deal found 7/23![Southwest logo]()
$353
Best flights from Seattle to LaGuardiaDiscover carefully curated flight deals from Seattle to LaGuardia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from Seattle to LaGuardia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:00 pm
SEA
- LGA
1 stop7h 40m
Southwest
Tue 8/257:25 am
LGA
- SEA
2 stops12h 25m
Southwest
Deal found 7/22![Southwest logo]()
$342
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:35 pm
SEA
- LGA
1 stop8h 05m
Delta
Tue 10/206:05 am
LGA
- SEA
1 stop7h 45m
Delta
Deal found 7/20![Delta logo]()
$427
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:00 am
SEA
- LGA
2 stops10h 15m
Southwest
Sat 9/191:10 pm
LGA
- SEA
1 stop8h 05m
Southwest
Deal found 7/19![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:10 am
SEA
- LGA
2 stops10h 05m
Southwest
Thu 9/176:10 am
LGA
- SEA
2 stops13h 55m
Southwest
Deal found 7/19![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:55 am
SEA
- LGA
1 stop9h 30m
Southwest
Wed 8/194:10 pm
LGA
- SEA
1 stop10h 25m
Southwest
Deal found 7/20![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:55 am
SEA
- LGA
1 stop11h 25m
Southwest
Sat 9/127:00 am
LGA
- SEA
2 stops12h 50m
Southwest
Deal found 7/18![Southwest logo]()
$392
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:05 pm
SEA
- LGA
1 stop8h 15m
Southwest
Sun 9/66:00 am
LGA
- SEA
2 stops10h 00m
Southwest
Deal found 7/22![Southwest logo]()
$412
This Southwest deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:25 am
SEA
- LGA
2 stops10h 50m
Southwest
Thu 10/154:35 pm
LGA
- SEA
2 stops11h 00m
Southwest
Deal found 7/18![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:30 am
SEA
- LGA
2 stops11h 40m
Southwest
Sat 8/296:00 am
LGA
- SEA
1 stop8h 00m
Southwest
Deal found 7/18![Southwest logo]()
$447
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:00 pm
SEA
- LGA
1 stop11h 10m
Southwest
Tue 8/183:15 pm
LGA
- SEA
2 stops10h 50m
Southwest
Deal found 7/21![Southwest logo]()
$448
Last-minute flights from Seattle to LaGuardiaDiscover last-minute flight deals from Seattle to LaGuardia. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to LaGuardia. Data last updated July 23, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:40 am
SEA
- LGA
1 stop10h 35m
Southwest
Tue 8/252:30 pm
LGA
- SEA
2 stops11h 35m
Southwest
Deal found 7/20![Southwest logo]()
$358
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:40 am
SEA
- LGA
1 stop10h 35m
Southwest
Wed 8/263:55 pm
LGA
- SEA
1 stop10h 10m
Southwest
Deal found 7/22![Southwest logo]()
$342
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:55 am
SEA
- LGA
1 stop9h 30m
Southwest
Tue 8/253:55 pm
LGA
- SEA
1 stop10h 10m
Southwest
Deal found 7/20![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 am
SEA
- LGA
1 stop8h 25m
United Airlines
Mon 8/315:25 pm
LGA
- SEA
1 stop8h 18m
United Airlines
Deal found 7/20![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:50 am
SEA
- LGA
1 stop9h 05m
Southwest
Mon 8/3110:40 am
LGA
- SEA
1 stop10h 40m
Southwest
Deal found 7/22![Southwest logo]()
$337
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:04 pm
SEA
- LGA
1 stop7h 35m
United Airlines
Mon 8/314:25 pm
LGA
- SEA
1 stop9h 18m
United Airlines
Deal found 7/19![United Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:00 am
SEA
- LGA
1 stop8h 25m
United Airlines
Sat 8/291:25 pm
LGA
- SEA
1 stop8h 42m
United Airlines
Deal found 7/22![United Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:00 am
SEA
- LGA
1 stop8h 25m
United Airlines
Sun 9/64:59 pm
LGA
- SEA
1 stop9h 05m
United Airlines
Deal found 7/22![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2811:00 pm
SEA
- LGA
1 stop7h 30m
Southwest
Tue 9/12:30 pm
LGA
- SEA
1 stop8h 55m
Southwest
Deal found 7/20![Southwest logo]()
$361
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:15 am
SEA
- LGA
1 stop9h 15m
American Airlines
Sun 9/66:59 pm
LGA
- SEA
1 stop8h 51m
American Airlines
Deal found 7/22![American Airlines logo]()
$338
One-way flights from Seattle to LaGuardiaSearch for one-way flight options from Seattle to LaGuardia. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from Seattle to LaGuardia. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:53 pm
SEA
- LGA
2 stops21h 06m
Frontier
Deal found 7/21![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:53 pm
SEA
- LGA
2 stops17h 42m
Frontier
Deal found 7/23![Frontier logo]()
$173
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:40 am
SEA
- LGA
1 stop10h 35m
Southwest
Deal found 7/22![Southwest logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:16 pm
SEA
- LGA
2 stops39h 43m
Frontier
Deal found 7/23![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:35 pm
SEA
- LGA
2 stops30h 39m
Frontier
Deal found 7/20![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:13 pm
SEA
- LGA
2 stops21h 31m
Frontier
Deal found 7/19![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:41 pm
SEA
- LGA
2 stops24h 34m
Frontier
Deal found 7/19![Frontier logo]()
$178
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:00 pm
SEA
- LGA
1 stop11h 05m
Southwest
Deal found 7/19![Southwest logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:41 pm
SEA
- LGA
2 stops18h 54m
Frontier
Deal found 7/20![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:06 pm
SEA
- LGA
2 stops22h 53m
Frontier
Deal found 7/19![Frontier logo]()
$182
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:11 pm
SEA
- LGA
1 stop8h 06m
United Airlines
Deal found 7/20![United Airlines logo]()
$184
Find flight deals from Seattle to LaGuardia
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to LaGuardia (LGA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $332 (United Airlines) |
One-way from | $172 (Kiwi.com) |
Popular in | December |
Cheapest in | March |
Average price | $456 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to LaGuardia 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, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2026.
Use the filters below to find and compare flights from Seattle to New York LaGuardia Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleNew York
SEA - LGA
SEALGA
Seattle/Tacoma Intl
Tue 8/18
11:00 pm-9:40 am
1 stop7h 40m
New York LaGuardia
Tue 8/25
7:25 am-4:50 pm
2 stops12h 25m
$342
SeattleNew York
SEA - LGA
SEALGA
Seattle/Tacoma Intl
Sat 9/12
5:00 am-6:15 pm
2 stops10h 15m
New York LaGuardia
Sat 9/19
1:10 pm-6:15 pm
1 stop8h 05m
$377
SeattleNew York
SEA - LGA
SEALGA
Seattle/Tacoma Intl
Tue 9/15
7:10 am-8:15 pm
2 stops10h 05m
New York LaGuardia
Thu 9/17
6:10 am-5:05 pm
2 stops13h 55m
$382
SeattleNew York
SEA - LGA
SEALGA
Seattle/Tacoma Intl
Tue 8/11
8:55 am-9:25 pm
1 stop9h 30m
New York LaGuardia
Wed 8/19
4:10 pm-11:35 pm
1 stop10h 25m
$382
SeattleNew York
SEA - LGA
SEALGA
Seattle/Tacoma Intl
Sat 9/5
7:55 am-10:20 pm
1 stop11h 25m
New York LaGuardia
Sat 9/12
7:00 am-4:50 pm
2 stops12h 50m
$392
SeattleNew York
SEA - LGA
SEALGA
Seattle/Tacoma Intl
Mon 8/31
11:05 pm-10:20 am
1 stop8h 15m
New York LaGuardia
Sun 9/6
6:00 am-1:00 pm
2 stops10h 00m
$412
SeattleNew York
SEA - LGA
SEALGA
Seattle/Tacoma Intl
Wed 9/30
6:25 am-8:15 pm
2 stops10h 50m
New York LaGuardia
Thu 10/15
4:35 pm-12:35 am
2 stops11h 00m
$417
Quickest round-trip
SeattleNew York
SEA - LGA
SEALGA
Seattle/Tacoma Intl
Fri 10/16
10:35 pm-9:40 am
1 stop8h 05m
New York LaGuardia
Tue 10/20
6:05 am-10:50 am
1 stop7h 45m
$427
SeattleNew York
SEA - LGA
SEALGA
Seattle/Tacoma Intl
Sat 8/22
5:30 am-8:10 pm
2 stops11h 40m
New York LaGuardia
Sat 8/29
6:00 am-11:00 am
1 stop8h 00m
$447
SeattleNew York
SEA - LGA
SEALGA
Seattle/Tacoma Intl
Thu 8/13
11:00 pm-1:10 pm
1 stop11h 10m
New York LaGuardia
Tue 8/18
3:15 pm-11:05 pm
2 stops10h 50m
$448
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Seattle to LaGuardia
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to LaGuardia in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-New York LaGuardia Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-New York LaGuardia Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-New York LaGuardia Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-New York LaGuardia Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-New York LaGuardia Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to LaGuardia
Have a flexible travel schedule? Discover the best time to fly to LaGuardia from Seattle with our price prediction graph.
SEA-LGA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to New York LaGuardia Airport
How far ahead should I book a flight from Seattle to New York LaGuardia Airport?
To ensure you get the cheapest price possible for a flight from Seattle to New York LaGuardia Airport, you should look to book at least 16 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Seattle to New York LaGuardia Airport?
Currently, March is the cheapest month in which you can book a flight from Seattle to New York LaGuardia Airport (average of $257). Flying from Seattle to New York LaGuardia Airport in December is currently the most expensive (average of $666). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Seattle to New York LaGuardia Airport?
Airfare is below average for this route at the moment.
Seattle to New York LaGuardia Airport flights typically cost between $382 and $576 in October.The cheapest round-trip price found within the last 5 days was $332 on United Airlines (Oct 20-Oct 27).
Reviews of airlines servicing LaGuardia
Get insights into the airlines that provide service to LaGuardia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to LaGuardia. Reviews last updated July 23, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from Seattle to New York LaGuardia Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Seattle to LaGuardia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near New York LaGuardia Airport?
Book flights to New York LaGuardia Airport if you plan to visit one of these locationsQueens
Bronx
Mahwah
Elizabeth
East Rutherford
Staten Island
Yonkers
Mount Laurel
Irvington
Secaucus
Tannersville
North Bergen
Seaside Heights
Edgewater
Carle Place
Absecon
Carteret
Fort Lee
Parsippany
Avenel
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Complete your trip
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Other flights to LaGuardia
Explore flights to LaGuardia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Seattle and LaGuardia flights
Browse other Seattle and LaGuardia flight options. Last updated on July 23, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Seattle to LaGuardia
Discover the top 5 airlines that operate flights from Seattle to LaGuardia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$391 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$248 | Average$396 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$256 | Average$446 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$275 | Average$416 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$307 | Average$457 | FlexibilityNo cancel fee | On-time75% |