Kosai Holidays

Book a Hotel + Flight or Car together to unlock savings

  • Plan, book, travel with confidence

  • payments icon
    Better together
    Save up to £335 when you book a flight and hotel together*
    lob hotels icon
    Find the right fit
    With over 300,000 hotels worldwide, it's easy to create a perfect package
    lob packages icon
    Rest easy
    Packages with flights are ATOL protected

Your Kosai Holiday

Well known for its coastal scenery and unspoiled nature, Kosai is an excellent getaway destination. Book one of our Kosai holiday packages and uncover all that this lively city has to offer. If sightseeing is on the to-do list during your trip to Kosai, swing by leading attractions like Maisaka Beach, Arai Beach and Sakichi Toyoda Memorial House. No matter your travel plans or the size of your budget, organising a tailored Kosai holiday is a piece of cake with Expedia.

Kosai Beach Holiday

Forget about the stresses of daily life and let your mind, body and soul unwind on your Kosai holiday. There's nothing more invigorating than a cool ocean breeze and the soothing sound of waves crashing onto the shore. Organise your trip to Kosai the easy way by locking in one of our Kosai holiday packages. Many people decide to base themselves near Arai Benten Beach, a local highlight only 4 miles from the city centre.

Things You Should Know About Kosai

  • If you've been dreaming of that seaside lifestyle, check out our Kosai beach hotels. Water views and salty sea air — what more could you want?
  • Our hotels, like The Villa Hamanako and Kuretake Inn Hamanako, are a hit with visitors of all types. Check out the facilities and get ready for your holiday in Kosai!
  • Around 43,700 people live in Kosai. If you'd like some tips about what to see and do around these parts, why not chat to a couple of the locals? Our Kosai things to do page is also a handy source of information.
  • Kosai holiday deals are one of the best ways to save on incredible experiences. Some ideas, such as Arai Benten Beach, Myoryuji Temple and Ogaji Temple, should be at the very top of your to-do list.

Kosai Essential Information

Language
Japanese
Currency
Japanese yens
Local Welcome
Konnichiwa
Local Goodbye
Sayōnara
Population
43,700
Max Temp Winter
10ºC
Max Temp Summer
27ºC
Top Sights
Hamanako Palpal Theme Park, Hamamatsu Castle and Hamamatsu City Zoo

Our pick of the best Kosai Hotel Deals

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 Wi-Fi, free parking and daily housekeeping. Popular attractions Lake Hamana and Hamanako Palpal Theme Park are located ...
6.8/10 (44 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 10 Feb 2025

Tabist Kosai Hamanako no Yado
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 Wi-Fi, free parking and a 24-hour front desk. Popular attractions Lake Hamana and Hamanako Palpal Theme Park are ...
8/10 Very Good! (174 reviews)
"宿泊者が多いので、朝食は時間をずらした方がいいです。"

Reviewed on 15 May 2025

Hotel Route Inn Hamanako
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 Wi-Fi, breakfast (surcharge) and parking (surcharge). Our guests praise the helpful staff in their reviews. ...
8.8/10 Excellent! (482 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 22 May 2025

Richmond Hotel Hamamatsu
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.

Frequently asked questions

How much does a Kosai travel package cost?
Say yes to new adventures with our Kosai travel packages, which start from just . Handpick the hotels and flights that suit your plans. Then, add on a couple of tours or activities for a one-of-a-kind escape.
If I'm not able to travel, can I cancel my Kosai travel package?
Whether it's your hotel, flight or rental car, yes, you can cancel or amend it. Locked in your Kosai travel package in the last 24 hours? You may be able to make any changes for free. For older bookings, you may incur a fee from your hotel, airline or car rental company. For further information, browse our Customer Service Portal. We're here to help you each step of the way.
How do I get a cheap travel package to Kosai?
Browse and book everything in one place with our Kosai travel packages. You'll find bargains on hotels, flights and more that'll keep your credit card happy and your adventurous spirit alive. And, with more than 550 partner airlines and 1,000,000 hotel options globally to select from, there are endless opportunities to mix and match as you want.
Does Expedia offer Book Now, Pay Later Kosai holidays?
Expedia has joined forces with online lender Klarna to make your next trip easier on your bank balance. Paying by instalment means you can spread the costs of your dream holiday, leaving you with more cash to play with while you're away. Klarna has several payment plans to pick from, so you're sure to find something that works with your budget. Consider these flexible payment options:

  • Pay monthly holidays: Klarna offers convenient monthly payment plans that suit all budgets, so you can jet away on that well-earned holiday sooner.
  • Pay in instalments holidays: With this Book Now, Pay Later option, Klarna makes it possible to pay for your trip in multiple transactions.
  • Low deposit holidays: If paying a small percentage of your getaway (rather than the full total upfront) makes it easier to click that "book now" button, choose a low deposit holiday payment plan from Klarna.

What are the top hotels in Kosai?
APA Hotel Hamamatsueki Minami and Dormy Inn Express Kakegawa Natural Hot Spring are a couple of the most sought-after hotels in Kosai. Why not have a look at the rates and facilities at each and then decide?
How far in advance should I book my Kosai holiday?
Search Expedia to compare airfares as soon as you know your travel dates. In many cases, you can purchase a ticket up to a year before departure. If it's too early for your preferred carrier, or you have to book last minute, don't stress. Low prices to Kosai occasionally appear within weeks of the date of departure.
What does an Expedia Kosai travel package include?
That depends entirely on you. You can choose from a range of Kosai packages, such as a flight, rental car and hotel. You can also book a hotel and a flight, or a flight and a rental car. Once you've made your booking, you can add the fun stuff like tours and activities. Whatever your Kosai trip looks like, get ready to save!
What should I know before booking a Kosai travel package?
You can look forward to saving with an Expedia travel package. Bundle your flights, rental cars and hotels and be rewarded with great discounts. You're not restricted to hotels, however. Book with us and take your pick of beachfront villas, cabins in the mountains and even glamping tents!
Can I choose my airline with a Kosai Expedia travel package?
You certainly can. Expedia has access to more than 550 airline partners across the globe, so select the carrier that suits your budget needs.

* Savings based on package bookings compared to the price of the same components booked separately. Savings not available on all packages. Flight-inclusive packages are ATOL protected.