Kaisei Holidays from £1,186

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    Packages with flights are ATOL protected

Your Kaisei Holiday

The hassle-free way to experience this exciting city is with a tailor-made Kaisei holiday package. Stay in the neighbourhood of Yoshihama, which is great for history, nature and golfing or choose someplace else — our packages are all about you. Any trip to Kaisei needs a well-thought-out itinerary. Fill yours with attractions like Odawara Castle, Odawara Arena and Odawara Wanpaku Land. A few clicks is all it takes to create your dream Kaisei holiday on Expedia.

Top Kaisei Flight + Hotel Deals

Price found within the past 48 hours. Click for updated prices.
GRAND MONday ASAKUSA(Former:MONday Apart Premium Asakusa)

GRAND MONday ASAKUSA(Former:MONday Apart Premium Asakusa)

4 out of 5
Taito
Price was £2,032, price is now £1,186 per person
£1,186
per person
13 Sept - 19 Sept
found 1 day ago
Additional charges may apply
Return direct flight included
London (LGW) to Tokyo (HND)
9.8/10 Exceptional! (302 reviews)

MONday Apart Premium Ueno Okachimachi

MONday Apart Premium Ueno Okachimachi

4 out of 5
Ueno
Price was £2,799, price is now £1,290 per person
£1,290
per person
15 Oct - 21 Oct
found 1 day ago
Additional charges may apply
Return direct flight included
London (LON) to Tokyo (HND)
9.4/10 Exceptional! (652 reviews)

Nohga Hotel Ueno Tokyo

Nohga Hotel Ueno Tokyo

4 out of 5
Taito
Save 100% on your flight
Price was £2,869, price is now £1,426 per person
£1,426
per person
20 Oct - 25 Oct
found 1 day ago
Additional charges may apply
Return direct flight included
London (LON) to Tokyo (HND)
9.6/10 Exceptional! (1,007 reviews)

MONday Apart Premium Hamamatsucho

MONday Apart Premium Hamamatsucho

4 out of 5
Minato
Save 100% on your flight
Price was £2,382, price is now £1,247 per person
£1,247
per person
20 Sept - 25 Sept
found 3 hours ago
Additional charges may apply
Return direct flight included
London (LON) to Tokyo (HND)
9.2/10 Wonderful! (154 reviews)
Everything that you need is already in the room.

Reviewed on 1 Aug 2026

MONday Apart Premium NIHONBASHI

MONday Apart Premium NIHONBASHI

4 out of 5
Chuo
Save 100% on your flight
Price was £2,384, price is now £1,322 per person
£1,322
per person
15 Oct - 21 Oct
found 1 day ago
Additional charges may apply
Return direct flight included
London (LON) to Tokyo (HND)
9.6/10 Exceptional! (839 reviews)

Kaisei Essential Information

Language
Japanese
Currency
Japanese yens
Local Welcome
Konnichiwa
Local Goodbye
Sayōnara
Max Temp Winter
10ºC
Max Temp Summer
27ºC
Top Sights
Hakone Open Air Museum, Pola Museum of Art and Odawara Castle

Top hotels in Kaisei

Prince Smart Inn Atami

Prince Smart Inn Atami

3.5 out of 5
17-14 Kasugatyou Atami Shizuoka
The price is £64 per night from 30 Aug to 31 Aug
£64
30 Aug - 31 Aug
8.6/10 Excellent! (718 reviews)
"It was a clean and comfortable stay, conveniently located near the station and convenience stores, with friendly staff. You can ship your suitcase to the airport via the Kuroneko Yamato service inside the station, and the Tully's Coffee on the ground floor is a lovely space—this is also where you ..."

Reviewed on 18 Jul 2026

Prince Smart Inn Atami
Hakone Kowakien TEN-YU

Hakone Kowakien TEN-YU

4.5 out of 5
1297 Ninotaira Hakone Kanagawa
Fully refundableReserve now, pay when you stay
The price is £317 per night from 2 Sept to 3 Sept
£317
2 Sept - 3 Sept
Hakone Kowakien TEN-YU
The Fujiya Hotel

The Fujiya Hotel

5 out of 5
359 Miyanoshita Hakone Kanagawa-ken
The price is £190 per night from 27 Aug to 28 Aug
£190
27 Aug - 28 Aug
9.4/10 Exceptional! (896 reviews)
"This was the most charming hotel with so much history and beautiful details. We stayed in the Angel room, which was gorgeous and spacious, and had an amazing view of the mountains. The gardens behind the property were so pretty with little walking paths and waterfalls. We loved the 1920's feel of ..."

Reviewed on 31 Jul 2026

The Fujiya Hotel
See all 1,146 properties in Kaisei
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.
All Inclusive Holidays
All Inclusive Holidays
Beach Holidays
Beach Holidays
Family Friendly Holidays
Family Friendly Holidays

What to do in Kaisei

Tour Bus

From Lake Kawaguchiko: One Way Bus Transfer to Hakone Area

£42
per adult
From Lake Kawaguchiko: One Way Bus Transfer to Hakone Area
Tour Bus

From Hakone: One Way Bus Transfer to Lake Kawaguchiko

£41
per adult
From Hakone: One Way Bus Transfer to Lake Kawaguchiko
Mt.Fuji & Lake Ash

Mt Fuji & Hakone Cruise, Drum Show Bus 1 Day from Tokyo

£108
per adult
88% of travellers recommend
Mt Fuji & Hakone Cruise, Drum Show Bus 1 Day from Tokyo
See all activities in Kaisei

Frequently asked questions

How much does a Kaisei travel package cost?
Say yes to new adventures with our Kaisei travel packages, which start from only £1,186. Choose the hotels and flights that suit your plans. Then, add on one or two enriching experiences for a memorable escape.
If I'm not able to travel, can I cancel my Kaisei travel package?
Yes, you can. We get that life happens, so we're here to help if you need to make changes to your Kaisei travel package. It may be possible to cancel or amend your itinerary for free if you've booked within 24 hours. Your airline, hotel or car rental company may impose a fee if you booked more than 24 hours ago. Visit our Customer Service Portal for further information. Also, check your itinerary for the nitty-gritty on change fees.
How do I get a cheap travel package to Kaisei?
Think of all the fun things you could do in Kaisei with a wad of extra cash in your wallet. Watch your savings stack up when you combine your airfare and hotel bookings into a Kaisei travel package. You have loads of choice when you book your trip with Expedia too. In fact, you can select from over 550 airlines and 1,000,000 hotels globally. Whether you're taking a break with the entire family or travelling on your own, organising a trip to Kaisei is better with a package.
Does Expedia offer Book Now, Pay Later Kaisei holidays?
Yes, we do. Expedia has partnered with online lender Klarna to help you easily pay for your trip in instalments. Simply click on the payment plan that works for you during checkout and take the stress out of budgeting for your next trip. Be sure to bundle your accommodation, flights and car hire with Expedia to get the biggest bang for your buck. Check out our flexible payment options below:

  • Pay monthly holidays: If paying bite-sized amounts each month is what works best for you, Klarna can help. Paying in easy monthly instalments will make that dream holiday possible.
  • Pay in instalments holidays: If you want to pay for your getaway across multiple transactions, holidays paid in instalments might be the right option for your Book Now, Pay Later holiday through Klarna.
  • Low deposit holidays: When you want to jump on an awesome deal but your budget doesn't quite go that far, Klarna's low deposit holiday plan will help you lock in your escape.

Where should I stay in Kaisei?
With interesting attractions such as Inoue Sake Brewery and Nishihirahata Park in this neighbourhood, see if you can find a hotel near either one. Kawamurajoshi Historical Park is another sight in Kaisei that people flock to.
What are the top hotels in Kaisei?
If it's comfort and convenience you want, you can't go past Shingenkan. Spend your nights kicking back here and your days checking out Kaisei's finest sights.
How far in advance should I book my Kaisei holiday?
While not all airlines release ticket prices early, it's usually possible to look up international flights on Expedia up to 12 months in advance. This is the time you can score some incredible bargains. If you're booking at the last minute, you might still be in luck. Sometimes the cheapest prices appear just weeks before departure.
What does an Expedia Kaisei travel package include?
Flights, hotels and rental cars — we've got them all. With Expedia, you can shape your Kaisei package the way you like it. All you have to do is work out exactly what you need. Once you've made your booking, you can add extras like activities and experiences. The more you bundle, the more you save!
What should I know before booking a Kaisei travel package?
When you book your flights, hotels and car rentals together, you'll land great discounts. Whether you're planning an outdoor getaway in a chalet or want to stay in a ritzy city hotel, Expedia can make it happen for less.
Can I choose my airline with a Kaisei Expedia travel package?
Definitely. Expedia has more than 550 airline partners to select from worldwide. With such a big range of choice, finding the right carrier to whisk you away to Kaisei will be a snap.

* 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.