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$689+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HVN
Aug 13 — Aug 201
Thu 8/13
Thu 8/20
1 adult, Economy
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Cheap flight deals from Seattle to New Haven

Cheapest flights from Seattle to New Haven
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 July 14, 2026.

This Mytrip deal was found by Cheapflights users on 7/12. 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 10/16:22 pm
SEA
-
HVN
2 stops24h 47m
Multiple Airlines
Mon 10/121:00 pm
HVN
-
SEA
2 stops24h 12m
Multiple Airlines
Deal found 7/12$689
This Mytrip deal was found by Cheapflights users on 7/9. 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 7/268:00 am
SEA
-
HVN
2 stops10h 59m
Multiple Airlines
Sun 8/28:05 am
HVN
-
SEA
2 stops17h 41m
Multiple Airlines
Deal found 7/9$983
This Mytrip deal was found by Cheapflights users on 7/10. 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 7/116:21 pm
SEA
-
HVN
2 stops20h 18m
Multiple Airlines
Sat 7/187:30 am
HVN
-
SEA
2 stops18h 16m
Multiple Airlines
Deal found 7/10$1,129
This Mytrip deal was found by Cheapflights users on 7/10. 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 7/1711:59 pm
SEA
-
HVN
2 stops18h 48m
Multiple Airlines
Sun 7/194:35 pm
HVN
-
SEA
2 stops18h 40m
Multiple Airlines
Deal found 7/10$1,207

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 July 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$689
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$450
Provider with most accurate pricing for Seattle/Tacoma Intl-Tweed-New Haven flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Tweed-New Haven flights.
Search Deals
From Seattle/Tacoma Intl to Tweed-New Haven
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 2,558,603 searches. Data last updated July 14, 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

Price

Cheapest round-trip

SeattleNew Haven

SEA - HVN

SEAHVN

Seattle/Tacoma Intl

Thu 10/1

6:22 pm-10:09 pm

2 stops24h 47m

Tweed-New Haven

Mon 10/12

1:00 pm-10:12 am

2 stops24h 12m

$689
Quickest round-trip

SeattleNew Haven

SEA - HVN

SEAHVN

Seattle/Tacoma Intl

Sun 7/26

8:00 am-9:59 pm

2 stops10h 59m

Tweed-New Haven

Sun 8/2

8:05 am-10:46 pm

2 stops17h 41m

$983

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/12

Sorted 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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

  • Can I find deals for flights from Seattle to New Haven that include hotel bookings?

    Yes. In addition to deals on Seattle to New Haven flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to New Haven?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to New Haven.

  • Can I find deals for business class flights from Seattle to New Haven?

    Yes. Cheapflights offers flight deals from Seattle to New Haven by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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