Search Cheap Flights to
Kosai

Search 400 airlines and 321,000 hotels worldwide.

Stop Planning & Start Exploring

FREE 24 hour cancellation on most flights

Cheap Flights to Kosai

Fall in love at first flight with your vacation to Kosai by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Kosai on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Kosai, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Kosai

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Kosai with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the NKM airport.

What is the cheapest month to fly to Kosai?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Kosai are in , but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Kosai?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find  to choose from for your flight to Kosai.

What airport is best to fly into Kosai?

When you’re planning your trip to Kosai, convenience is the name of the game. Luckily, Kosai Mt. Fuji - Shizuoka Airport is nearby so you can deplane and get going on checking off everything on your Kosai must-do list.

How much are flights to Kosai?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Kosai on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as , you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to Kosai?

The trick to saving a stack of cash on your flight to Kosai? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as  right now, why wait?

Kosai Flight Information
Destination airport
Kosai
Destination airport IATA code
NKM

Last Minute Hotel Deals in Kosai

Hotel Route Inn Hamanako

Hotel Route Inn Hamanako

3 out of 5
1049-1, Komi, Kosai, Shizuoka-ken
Stay at this 3-star hotel in Kosai. Enjoy free WiFi, free parking, and a 24-hour front desk. Popular attractions Lake Hamana and Hamanako Palpal Theme Park are ...
8/10 Very Good! (177 reviews)
"・連泊で利用しましたが朝食がとても充実していました。おかずも毎日違ったもので満足でした。 ・大浴場、朝食会場、コインランドリーの利用状況が部屋のテレビで確認できるところが便利だなと思いました。 ・スタッフの方の対応も丁寧でした。 ・部屋はツインルームを利用しましたが、思った以上に広く快適に過ごせました。 ・子供向けのアメニティグッズやキッズチャンネルなどもあり子供も満足していました。"

Reviewed on Aug 25, 2025

Get rates
Hotel Route Inn Hamanako
Tabist Kosai Hamanako no Yado

Tabist Kosai Hamanako no Yado

2 out of 5
1253-1 Ochiba, Kosai, Shizuoka
Stay at this guesthouse in Kosai. Enjoy free WiFi, free parking, and daily housekeeping. Popular attractions Lake Hamana and Hamanako Palpal Theme Park are located ...
7/10 Good! (45 reviews)
Good overall
"It's was really good, I forgot to ask for an early check-in but theh saw me sitting outside waiting let me check in early which was super nice, I did nock to ask if I could leave my bags but the only staff there at the time was deaf, so that's okay. The room was good and comfy and warm. And the bath ..."

Reviewed on Feb 10, 2025

Get rates
Tabist Kosai Hamanako no Yado
Dormy Inn EXPRESS Toyohashi Hot Spring

Dormy Inn EXPRESS Toyohashi Hot Spring

3 out of 5
118, Toyohashi, Aichi-ken
Stay at this 3-star hotel in Toyohashi. Enjoy free WiFi, hot springs on site, and breakfast (surcharge). Popular attractions Toyohashi City Museum of Art and ...
8.8/10 Excellent! (125 reviews)
Amazing
"We stayed one night. The room is comfortable and big, and the Onsen is beautiful. The breakfast was delicious with many options to choose from ( mostly Japanese breakfast style)"

Reviewed on May 3, 2025

Get rates
Dormy Inn EXPRESS Toyohashi Hot Spring
Okura Act City Hotel Hamamatsu

Okura Act City Hotel Hamamatsu

4.5 out of 5
111-2 Itaya-machi Chuo-ku, Hamamatsu, Shizuoka-ken
Stay at this 4.5-star luxury hotel in Hamamatsu. Enjoy free WiFi, 3 restaurants, and breakfast (surcharge). Our guests praise the helpful staff and the property ...
9/10 Wonderful! (1,016 reviews)
"great breakfast."

Reviewed on Sep 21, 2025

Get rates
Okura Act City Hotel Hamamatsu
Grand Mercure Lake Hamana Resort & Spa

Grand Mercure Lake Hamana Resort & Spa

4 out of 5
4396-1 Yamazaki, Yuto-cho, Chuo-ku, Hamamatsu
Stay at this 4-star hotel in Hamamatsu. Enjoy free WiFi, free parking, and an outdoor pool. Popular attractions Lake Hamana and Hamanako Palpal Theme Park are ...
8/10 Very Good! (572 reviews)
"A plethora of breakfast options were offered every morning. In the evening, snacks and drinks were provided for a few hours in the lounge. A person could easily spend the whole day here. You'll be fed, there's a pool and spring, a shop on the first floor, free drinks. This place is well worth your ..."

Reviewed on Sep 10, 2025

Get rates
Grand Mercure Lake Hamana Resort & Spa
Richmond Hotel Hamamatsu

Richmond Hotel Hamamatsu

3 out of 5
218-1, Motoshiro-cho, Chuoh-Ward, Hamamatsu, Shizuoka
Stay at this 3-star hotel in Hamamatsu. Enjoy free WiFi, breakfast (surcharge), and parking (surcharge). Our guests praise the helpful staff in our reviews. ...
8.8/10 Excellent! (558 reviews)
"A little older than some of the other business hotels, but I find this the best. Has a lot of good free toiletries, larger rooms and good desk space in your room to work. Best of all AC worked with no smell"

Reviewed on May 22, 2025

Get rates
Richmond Hotel Hamamatsu
Hotel Associa Toyohashi

Hotel Associa Toyohashi

4 out of 5
Nishijuku-cho, Hanada-cho, Toyohashi, Aichi-ken
Stay at this 4-star hotel in Toyohashi. Enjoy free WiFi, 3 restaurants, and breakfast (surcharge). Our guests praise the property condition in our reviews. Popular ...
9/10 Wonderful! (972 reviews)
"Ok.that was the best hotel from the whole trip, since it was absolutely soundproof despite being right at the station. Restaurants just 5 minutes away, night clubs as well. Nice city. Great service. Worth every penny."

Reviewed on Sep 14, 2025

Get rates
Hotel Associa Toyohashi
Centurion Hotel Hamamatsu

Centurion Hotel Hamamatsu

3 out of 5
690 Itayamachi, Hamamatsu, Shizuoka
Stay at this 3-star hotel in Hamamatsu. Enjoy free WiFi, breakfast (surcharge), and parking (surcharge). Popular attractions Hamamatsu Museum of Musical Instruments ...
8/10 Very Good! (83 reviews)
"Nice location to stay on drive from Tokyo to Osaka."

Reviewed on Jun 7, 2025

Get rates
Centurion Hotel Hamamatsu
See all 183 properties in Kosai
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.