$318+ Cheap flights from Seattle to New Haven (SEA - HVN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HVN
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to New Haven with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to New Haven
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Best
Last-minute
One-way
Cheapest flights from Seattle to New HavenExplore the most affordable flight options available from Seattle to New Haven. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
Explore the most affordable flight options available from Seattle to New Haven. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:14 pm -
3 stops31h 55m
Sat 11/77:30 am -
3 stops38h 24m
Deal found 9/16![Multiple Airlines logo]()
$459
This Mytrip deal was found by Cheapflights users on 9/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:27 pm -
2 stops20h 58m
Sun 11/17:00 pm -
3 stops26h 54m
Deal found 9/20![Multiple Airlines logo]()
$583
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:00 pm -
2 stops17h 25m
Sat 10/2411:15 am -
3 stops24h 43m
Deal found 9/18![Multiple Airlines logo]()
$677
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:53 am -
3 stops23h 16m
Wed 10/77:00 am -
3 stops28h 58m
Deal found 9/16![Multiple Airlines logo]()
$712
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:27 pm -
2 stops26h 42m
Thu 10/17:30 am -
2 stops29h 12m
Deal found 9/17![Multiple Airlines logo]()
$794
Best flights from Seattle to New HavenDiscover carefully curated flight deals from Seattle to New Haven that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
Discover carefully curated flight deals from Seattle to New Haven that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:14 pm -
2 stops24h 14m
Sat 11/77:30 am -
3 stops38h 24m
Deal found 9/16![Multiple Airlines logo]()
$494
This Mytrip deal was found by Cheapflights users on 9/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:27 pm -
3 stops20h 58m
Sun 11/17:00 pm -
3 stops26h 54m
Deal found 9/20![Multiple Airlines logo]()
$651
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:00 pm -
2 stops17h 25m
Sat 10/2411:15 am -
3 stops24h 43m
Deal found 9/18![Multiple Airlines logo]()
$677
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:53 am -
3 stops23h 16m
Wed 10/77:00 am -
3 stops28h 58m
Deal found 9/16![Multiple Airlines logo]()
$712
This Mytrip deal was found by Cheapflights users on 9/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:15 pm -
2 stops12h 55m
Sun 10/49:20 am -
2 stops27h 22m
Deal found 9/20![Multiple Airlines logo]()
$886
This Mytrip deal was found by Cheapflights users on 9/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:53 am -
3 stops23h 16m
Fri 10/97:40 pm -
2 stops22h 32m
Deal found 9/20![Multiple Airlines logo]()
$988
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:42 pm -
2 stops16h 48m
Sun 11/2912:05 pm -
2 stops13h 44m
Deal found 9/16![Multiple Airlines logo]()
$1,285
Last-minute flights from Seattle to New HavenDiscover last-minute flight deals from Seattle to New Haven. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to New Haven. Data last updated September 20, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:27 pm -
2 stops26h 42m
Thu 10/17:30 am -
2 stops29h 12m
Deal found 9/17![Multiple Airlines logo]()
$794
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:53 am -
3 stops23h 16m
Wed 10/77:00 am -
3 stops28h 58m
Deal found 9/16![Multiple Airlines logo]()
$712
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:00 pm -
2 stops17h 25m
Sat 10/2411:15 am -
3 stops24h 43m
Deal found 9/18![Multiple Airlines logo]()
$677
This Mytrip deal was found by Cheapflights users on 9/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:27 pm -
2 stops20h 58m
Sun 11/17:00 pm -
3 stops26h 54m
Deal found 9/20![Multiple Airlines logo]()
$583
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:14 pm -
3 stops31h 55m
Sat 11/77:30 am -
3 stops38h 24m
Deal found 9/16![Multiple Airlines logo]()
$459
One-way flights from Seattle to New HavenSearch for one-way flight options from Seattle to New Haven. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
Search for one-way flight options from Seattle to New Haven. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:00 pm -
2 stops14h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/264:37 pm -
3 stops22h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/299:53 pm -
3 stops58h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$557
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Sat 11/285:48 pm -
3 stops45h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$559
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/271:52 pm -
2 stops49h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$1,576
Find flight deals from Seattle to New Haven
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to New Haven (HVN). 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 September 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $459 (Mytrip) |
One-way from | $318 (Mytrip) |
Popular in | August |
Cheapest in | February |
Average price | $448 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to New Haven 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 7,457,451 searches. Data last updated September 20, 2026.
Use the filters below to find and compare flights from Seattle to New Haven that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SeattleNew Haven
SEA Seattle/Tacoma Intl - HVN Tweed-New Haven
SEAHVN
Seattle/Tacoma Intl
Fri 10/9
8:00 pm-1:10 pm
2 stops14h 10m
Tweed-New Haven
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$318
SeattleNew Haven
SEA Seattle/Tacoma Intl - HVN Tweed-New Haven
SEAHVN
Seattle/Tacoma Intl
Sat 10/31
12:14 pm-3:28 pm
2 stops24h 14m
Tweed-New Haven
Sat 11/7
7:30 am-6:54 pm
3 stops38h 24m
$494
SeattleNew Haven
SEA Seattle/Tacoma Intl - HVN Tweed-New Haven
SEAHVN
Seattle/Tacoma Intl
Sun 11/29
9:53 pm-11:04 am
3 stops58h 11m
Tweed-New Haven
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$557
SeattleNew Haven
SEA Seattle/Tacoma Intl - HVN Tweed-New Haven
SEAHVN
Seattle/Tacoma Intl
Sat 11/28
5:48 pm-6:04 pm
3 stops45h 16m
Tweed-New Haven
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$559
SeattleNew Haven
SEA Seattle/Tacoma Intl - HVN Tweed-New Haven
SEAHVN
Seattle/Tacoma Intl
Sat 10/24
4:27 pm-4:25 pm
3 stops20h 58m
Tweed-New Haven
Sun 11/1
7:00 pm-6:54 pm
3 stops26h 54m
$651
SeattleNew Haven
SEA Seattle/Tacoma Intl - HVN Tweed-New Haven
SEAHVN
Seattle/Tacoma Intl
Sat 10/17
8:00 pm-4:25 pm
2 stops17h 25m
Tweed-New Haven
Sat 10/24
11:15 am-8:58 am
3 stops24h 43m
$677
SeattleNew Haven
SEA Seattle/Tacoma Intl - HVN Tweed-New Haven
SEAHVN
Seattle/Tacoma Intl
Mon 10/5
10:53 am-1:09 pm
3 stops23h 16m
Tweed-New Haven
Wed 10/7
7:00 am-8:58 am
3 stops28h 58m
$712
SeattleNew Haven
SEA Seattle/Tacoma Intl - HVN Tweed-New Haven
SEAHVN
Seattle/Tacoma Intl
Thu 10/1
8:15 pm-12:10 pm
2 stops12h 55m
Tweed-New Haven
Sun 10/4
9:20 am-9:42 am
2 stops27h 22m
$886
SeattleNew Haven
SEA Seattle/Tacoma Intl - HVN Tweed-New Haven
SEAHVN
Seattle/Tacoma Intl
Mon 10/5
10:53 am-1:09 pm
3 stops23h 16m
Tweed-New Haven
Fri 10/9
7:40 pm-3:12 pm
2 stops22h 32m
$988
SeattleNew Haven
SEA Seattle/Tacoma Intl - HVN Tweed-New Haven
SEAHVN
Seattle/Tacoma Intl
Wed 11/25
6:42 pm-2:30 pm
2 stops16h 48m
Tweed-New Haven
Sun 11/29
12:05 pm-10:49 pm
2 stops13h 44m
$1,285
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Seattle to New Haven
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 New Haven in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-New Haven flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-New Haven flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-New Haven flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-New Haven 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 Haven 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 New Haven
Have a flexible travel schedule? Discover the best time to fly to New Haven from Seattle with our price prediction graph.
SEA-HVN
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.
Related info for your journey
Find useful and relevant information for your journey from Seattle to New Haven. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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