In terms of precipitation, rainfall in New Haven ranges from 3.1 - 4.5 inches per month. May is typically the wettest month, when rainfall can reach 4.5 in. February is typically the driest time to visit New Haven when rainfall is around 3.1 in.

If weather is an important factor for your trip to New Haven, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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

To save up to 56% on this flight, we recommend booking at least 23 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Louisville to New Haven from $283 1-2 weeks out and tickets from $327 for flights departing within the next 72 hours.

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

Flights from Louisville to New Haven lean towards being more expensive in December. Prices are generally better when you fly from Louisville to New Haven in February, with the cheapest ticket starting at $181.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Louisville to New Haven as you normally would.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Louisville 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.

$325+ Flights from Louisville to New Haven

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Cheap flight deals from Louisville to New Haven

Round-trip from	$478 (FlightHub)
One-way from	$429 (KAYAK)
Popular in	December
Cheapest in	February
Average price	$247

From Louisville Intl to Tweed-New Haven

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One-way flight from Louisville Intl to Tweed-New Haven

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Highest demand for flights based on searches. 10% potential increase in price ($32 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Louisville to New Haven

Cheapest flights from Louisville to New Haven
Explore the most affordable flight options available from Louisville to New Haven. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.

jue. 8/143:59 pmSDF - HVN

1 stop27h 10mBreeze Airways

dom. 8/172:13 pmHVN - SDF

1 stop18h 39mBreeze Airways

Deal found 7/29

$478

Best flights from Louisville to New Haven
Discover carefully curated flight deals from Louisville to New Haven that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 30, 2025.

jue. 8/143:59 pmSDF - HVN

1 stop27h 10mBreeze Airways

dom. 8/172:13 pmHVN - SDF

1 stop18h 39mBreeze Airways

Deal found 7/29

$478

Last-minute flights from Louisville to New Haven
Discover last-minute flight deals from Louisville to New Haven. Data last updated julio 30, 2025 and is based on user searches.

jue. 8/143:59 pmSDF - HVN

1 stop27h 10mBreeze Airways

dom. 8/172:13 pmHVN - SDF

1 stop18h 39mBreeze Airways

Deal found 7/29

$478

One-way flights from Louisville to New Haven
Search for one-way flight options from Louisville to New Haven. Find affordable one-way fares based on user searches. Data last updated julio 30, 2025.

dom. 8/313:59 pmSDF - HVN

1 stop27h 10mBreeze Airways

Deal found 7/30

$325

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleNew Haven

SDF - HVN

SDFHVN

Louisville Intl

jue. 8/14

3:59 pm-7:09 pm

1 stop27h 10m

Tweed-New Haven

dom. 8/17

2:13 pm-8:52 am

1 stop18h 39m

$478

LouisvilleNew Haven

SDF - HVN

SDFHVN

Louisville Intl

dom. 8/31

3:59 pm-7:09 pm

1 stop27h 10m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Louisville to New Haven

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

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

Currently, February is the cheapest month in which you can book a flight from Louisville to New Haven (average of $91). Flying from Louisville to New Haven in December is currently the most expensive (average of $186). 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.

Reviews of airlines servicing New Haven

Get a feel of what it's like to fly with Breeze Airways from Louisville to New Haven by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Breeze Airways

8.0

Very good

191 reviews

Reviews

1 / 13

8.0

Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!

Breeze Airways

8.0

Very good

191 reviews

Breeze Airways

8.0

Very good

191 reviews

Reviews

1 / 13

8.0

Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!

Related info for your journey

Can I find deals for flights from Louisville to New Haven that include hotel bookings?
Yes. In addition to deals on Louisville to New Haven flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Louisville to New Haven?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to New Haven.
Can I find deals for business class flights from Louisville to New Haven?
Yes. Cheapflights offers flight deals from Louisville 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 Louisville to New Haven?
Currently, February is the cheapest month in which you can book a flight from Louisville to New Haven (average of $91). Flying from Louisville to New Haven in December is currently the most expensive (average of $186). 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

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$325+ Cheap flights from Louisville to New Haven (SDF - HVN)

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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Louisville to New Haven with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Louisville to New Haven

Round-trip from

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Popular in

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Average price

Find flight deals from Louisville to New Haven

Cheapest flights from Louisville to New HavenExplore the most affordable flight options available from Louisville to New Haven. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.

Explore the most affordable flight options available from Louisville to New Haven. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Louisville to New Haven

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

Cheapflights Insights

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

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

Reviews of airlines servicing New Haven

Get a feel of what it's like to fly with Breeze Airways from Louisville to New Haven by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

Traveling to a place near New Haven?

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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisville to New Haven

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Cheapest flights from Louisville to New Haven
Explore the most affordable flight options available from Louisville to New Haven. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.