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$515+ 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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HVN
Mar 12 — Mar 191
Thu 3/12
Thu 3/19
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 February 10, 2026.

This Mytrip deal was found by Cheapflights users on 2/6. 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 6/1811:59 pm
SEA
-
HVN
2 stops19h 20m
Multiple Airlines
Sun 6/2111:15 am
HVN
-
SEA
2 stops14h 31m
Multiple Airlines
Deal found 2/6$515
This Mytrip deal was found by Cheapflights users on 2/7. 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 6/2811:59 pm
SEA
-
HVN
2 stops19h 20m
Multiple Airlines
Tue 6/306:30 am
HVN
-
SEA
2 stops28h 40m
Multiple Airlines
Deal found 2/7$578

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 February 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$515
(Mytrip)

One-way from

$492
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$322
Provider with most accurate pricing for Seattle/Tacoma Intl-Tweed-New Haven flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Tweed-New Haven flights.
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From Seattle/Tacoma Intl to Tweed-New Haven
Search Deals
One-way flight from Seattle/Tacoma Intl to Tweed-New Haven
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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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 February 10, 2026.
Use the filters below to find and compare flights from Seattle to New Haven that are best for you.

Fly from

Seattle

Fly to

New Haven

Route

Depart

Return

Price

SeattleNew Haven

SEA - HVN

SEAHVN

Seattle/Tacoma Intl

Thu 6/18

11:59 pm-10:19 pm

2 stops19h 20m

Tweed-New Haven

Sun 6/21

11:15 am-10:46 pm

2 stops14h 31m

$515

SeattleNew Haven

SEA - HVN

SEAHVN

Seattle/Tacoma Intl

Sun 6/28

11:59 pm-10:19 pm

2 stops19h 20m

Tweed-New Haven

Tue 6/30

6:30 am-8:10 am

2 stops28h 40m

$578

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/6

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 February.
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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to New Haven

What is the cheapest month to book a flight from Seattle to New Haven?

Currently, December is the cheapest month in which you can book a flight from Seattle to New Haven (average of $129). Flying from Seattle to New Haven in February is currently the most expensive (average of $198). 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.

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.

  • What is the cheapest month to book a flight from Seattle to New Haven?

    Currently, December is the cheapest month in which you can book a flight from Seattle to New Haven (average of $129). Flying from Seattle to New Haven in February is currently the most expensive (average of $198). 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.

See more FAQs

Traveling to a place near New Haven?

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