What is the cheapest day to fly from New Haven to Seattle?

Travelers seeking maximum savings on their New Haven to Seattle flight should consider departing on Saturday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

What is the cheapest day to fly round-trip from New Haven to Seattle?

Travelers have found that booking a Sunday departure is the best way to save up to 24% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from New Haven to Seattle?

To save on the cost of your flight from New Haven to Seattle, book at least 25 days before your planned departure. Booking around this time can save you about 74% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $452 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $686.

What is the cheapest month to fly from New Haven to Seattle?

September is one of the best times of the year to fly to Seattle from New Haven. Prices for September average $412 per person but you can even find prices for as low as $177. The most expensive prices can be found in the month of December. Opting for a September flight can save you 37% on your journey compared to booking in December

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

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

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

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

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

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

$648+ Cheap Flights from New Haven to Seattle

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Cheap flight deals from New Haven to Seattle

Round-trip from	$648 (Mytrip)
Popular in	December
Cheapest in	September
Average price	$322

From Tweed-New Haven to Seattle/Tacoma Intl

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Highest demand for flights based on searches. 6% potential increase in price ($26 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Cheapest flights from New Haven to Seattle
Explore the most affordable flight options available from New Haven to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Wed 10/157:30 amHVN - SEA

2 stops29h 25mMultiple Airlines

Sun 10/1911:59 pmSEA - HVN

2 stops13h 07mMultiple Airlines

Deal found 9/10

$648

Best flights from New Haven to Seattle
Discover carefully curated flight deals from New Haven to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Wed 10/157:30 amHVN - SEA

2 stops29h 25mMultiple Airlines

Sun 10/1911:59 pmSEA - HVN

2 stops13h 07mMultiple Airlines

Deal found 9/10

$648

Last-minute flights from New Haven to Seattle
Discover last-minute flight deals from New Haven to Seattle. Data last updated September 11, 2025 and is based on user searches.

Wed 10/157:30 amHVN - SEA

2 stops29h 25mMultiple Airlines

Sun 10/1911:59 pmSEA - HVN

2 stops13h 07mMultiple Airlines

Deal found 9/10

$648

Fly from

Fly to

Route

Depart

Return

Price

New HavenSeattle

HVN - SEA

HVNSEA

Tweed-New Haven

Wed 10/15

7:30 am-9:55 am

2 stops29h 25m

Seattle/Tacoma Intl

Sun 10/19

11:59 pm-4:06 pm

2 stops13h 07m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from New Haven to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from New Haven 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 New Haven to Seattle

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

Currently, January is the cheapest month in which you can book a flight from New Haven to Seattle (average of $238). Flying from New Haven to Seattle in June is currently the most expensive (average of $388). 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.

What is the cheapest time of day to fly from HVN to SEA?

When flying from New Haven to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Can I find deals for flights from New Haven to Seattle that include hotel bookings?
Yes. In addition to deals on New Haven to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from New Haven to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Haven to Seattle.
Can I find deals for business class flights from New Haven to Seattle?
Yes. Cheapflights offers flight deals from New Haven to Seattle 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 New Haven to Seattle?
Currently, January is the cheapest month in which you can book a flight from New Haven to Seattle (average of $238). Flying from New Haven to Seattle in June is currently the most expensive (average of $388). 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.

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$648+ Cheap flights from New Haven to Seattle (HVN - SEA)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from New Haven to Seattle

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Find flight deals from New Haven to Seattle

Cheapest flights from New Haven to SeattleExplore the most affordable flight options available from New Haven to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Explore the most affordable flight options available from New Haven to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

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Use the filters below to find and compare flights from New Haven to Seattle that are best for you.

Best time to book a flight from New Haven to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from New Haven with our price prediction graph.

Cheapflights Insights

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

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

What is the cheapest time of day to fly from HVN to SEA?

Related info for your journey

Find useful and relevant information for your journey from New Haven to Seattle. 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 New Haven to Seattle that include hotel bookings?

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

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

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

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Cheapest flights from New Haven to Seattle
Explore the most affordable flight options available from New Haven to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.