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$800 Cheap Flights from Casper (CPR) to Tokyo (NRT)

View $800 flight on Mon, Oct 5, 2026Opens in a new window

Popular airlines from Casper, WY (CPR-Natrona County Intl.) to Narita Intl. Airport (NRT)

Cheap Flights from Casper to Tokyo (CPR-NRT)

Prices were available within the past 7 days and start at $800 for one-way flights and $1,631 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jan 6 - Wed, Jan 13
CPR
Casper
NRT
Tokyo
$1,631 Roundtrip, found 17 hours ago
$1,631
Roundtrip
found 17 hours ago
Select United flight, departing Wed, Jan 6 from Casper to Tokyo, returning Wed, Jan 13, priced at $1,631 found 17 hours ago
United
Wed, Jan 6 - Wed, Jan 13
CPR
Casper
NRT
Tokyo
$1,636 Roundtrip, found 17 hours ago
$1,636
Roundtrip
found 17 hours ago
Select United flight, departing Wed, Jan 6 from Casper to Tokyo, returning Wed, Jan 13, priced at $1,636 found 17 hours ago
United
Wed, Jul 1 - Fri, Jul 10
CPR
Casper
NRT
Tokyo
$1,719 Roundtrip, found 10 hours ago
$1,719
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Jul 1 from Casper to Tokyo, returning Fri, Jul 10, priced at $1,719 found 10 hours ago
United
Wed, Jul 1 - Fri, Jul 10
CPR
Casper
NRT
Tokyo
$1,724 Roundtrip, found 10 hours ago
$1,724
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Jul 1 from Casper to Tokyo, returning Fri, Jul 10, priced at $1,724 found 10 hours ago
United
Wed, Jul 1 - Fri, Jul 10
CPR
Casper
NRT
Tokyo
$1,735 Roundtrip, found 10 hours ago
$1,735
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Jul 1 from Casper to Tokyo, returning Fri, Jul 10, priced at $1,735 found 10 hours ago
United
Tue, Jun 30 - Mon, Jul 13
CPR
Casper
NRT
Tokyo
$1,735 Roundtrip, found 5 hours ago
$1,735
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Jun 30 from Casper to Tokyo, returning Mon, Jul 13, priced at $1,735 found 5 hours ago
United
Wed, Jul 1 - Fri, Jul 10
CPR
Casper
NRT
Tokyo
$1,742 Roundtrip, found 10 hours ago
$1,742
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Jul 1 from Casper to Tokyo, returning Fri, Jul 10, priced at $1,742 found 10 hours ago
United
Tue, Jun 30 - Mon, Jul 13
CPR
Casper
NRT
Tokyo
$1,748 Roundtrip, found 5 hours ago
$1,748
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Jun 30 from Casper to Tokyo, returning Mon, Jul 13, priced at $1,748 found 5 hours ago
United
Tue, Jun 30 - Mon, Jul 13
CPR
Casper
NRT
Tokyo
$1,756 Roundtrip, found 5 hours ago
$1,756
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Jun 30 from Casper to Tokyo, returning Mon, Jul 13, priced at $1,756 found 5 hours ago
United
Tue, Jun 30 - Mon, Jul 13
CPR
Casper
NRT
Tokyo
$1,758 Roundtrip, found 5 hours ago
$1,758
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Jun 30 from Casper to Tokyo, returning Mon, Jul 13, priced at $1,758 found 5 hours ago

Alternative airports near Tokyo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Narita Intl. NRT. Cheapest and Closest option available. Average driving time to city center is 53 minutes. Flights from $1,719
NRT
Narita Intl.
CheapestClosest
Average driving time to city center53 min
Flights from $1,719

Frequently asked questions

How much does a flight from Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.) cost?
You can find cheap one-way flights from $800 and cheap return flights from $1,631 Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.) with Expedia. One-way flights generally range between $466 and $2107. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.)?
The cheapest month to fly from CPR to NRT is January when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.)?
Enter CPR to NRT and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.)?
United is the only carrier that flies from Casper, WY (CPR) to Tokyo (NRT). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.)?
To find a cheap flight from Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.)?
The earliest flight from Casper, WY (CPR) to Tokyo (NRT) usually leaves at around 5:30 AM, operated by United Airlines. This seasonal service is active in August, giving you an early start for your journey to Japan. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.)?
You'll usually find the most flights from Natrona County Intl. (CPR) to Narita Intl. (NRT) on a Wednesday, with around 7 flights available. This gives you plenty of options for your travel plans. A major airline on this route is United.
What are the most popular departure times for flights from Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.)?
The most popular departure times for flights from Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.) are from 3pm to 6pm. About 40% of passengers prefer this time window. United Airlines is a key carrier offering flights during this period. This timing is favored as it allows for a relaxed start to your travel day.
How long does it take to fly from Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.)?
Flying from CPR to NRT with a connection usually takes about 18 hours 20 minutes, traveling roughly 5,565 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.)?
Select the "Business class" and "First class" filters when looking for CPR to NRT flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.) flight with Expedia?
It's easy to earn miles on a Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Tokyo from Natrona County Intl. (CPR)?
When traveling from Natrona County Intl. (CPR) to Tokyo, you can fly into Haneda (HND) and Narita Intl. (NRT). Some flights may connect through major hubs like Denver Intl. (DEN) before reaching Tokyo. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.) at the last minute?
Typically, booking a last minute flight from Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.) flight and hotel package?
Securing a Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.) Narita Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.)?
If you booked your Casper, WY (CPR-Natrona County Intl.) to Tokyo (NRT-Narita Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Natrona County Intl.
Destination airport
Narita Intl.
Airlines serving
United
Roundtrip price
$1,631
Distance
5564 mi

Book with confidence

Casper to Tokyo Flights

The cheapest times to fly from Casper to Tokyo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Casper to Tokyo are during the month of January. You can find some of the cheapest flights from Casper to Tokyo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Casper to Tokyo

Sunday is one of the best days to book for cheap flights from Casper to Tokyo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Casper to Tokyo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Casper to Tokyo in 2026. You can also book with separate airlines for your outbound and return journeys, from $800 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Casper to Tokyo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Casper to Tokyo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Casper to Tokyo Flights

*Flight schedules are subject to change.

*Available to One Key members.