A golf course with a pond, green fields, and distant mountains.

Cheap Flights from Seattle (SEA) to Casper (CPR)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Casper, WY (CPR-Natrona County Intl.)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find the cheapest month to fly from Seattle (SEA) to Casper (CPR)

October is typically the cheapest month to fly

From CA $363 - CA $747 per traveller.

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County Intl.) cost?
You can find one-way and return flights from SEA to CPR with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to CPR ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The cheapest months to fly from SEA to CPR are typically during off-peak season 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 are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County Intl.)?
Enter SEA to CPR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County Intl.)?
United is one of the cheapest airlines offering connecting return flights from Seattle - Tacoma Intl. (SEA) to Natrona County Intl. (CPR), with prices starting from around CA$328 for flights that can be booked for departure within the next year. These flights typically include a layover in San Francisco Intl. (SFO). Prices are per adult for economy/coach class. 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.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County 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.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County Intl.)?
There are approximately 32 connecting flights per day from Seattle - Tacoma Intl. (SEA) to Natrona County Intl. (CPR). Some common connection points include Denver Intl. (DEN), Salt Lake City Intl. (SLC), and Los Angeles Intl. (LAX).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Natrona County Intl. (CPR) typically departs around 12:25 AM local time. This flight is operated by Alaska Airlines and United. This is a seasonal service, active only in July. An early departure like this can help you make the most of your time at your destination. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County Intl.)?
You'll generally find the most flights from Seattle - Tacoma Intl. (SEA) to Natrona County Intl. (CPR) on a Friday, with around 24 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Delta, United, and Alaska Airlines. Flight schedules are fairly consistent throughout the week, with Fridays offering only slightly more flights than other days.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Natrona County Intl. (CPR) are in the early morning, from 6am to 9am. Many major carriers, including United and Delta, offer flights during this window. Many travellers prefer this time as it allows for an early start to their journey.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County Intl.)?
There are no nonstop flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County Intl.). For flights with one stop, you can expect the journey to take around 4 hours 48 minutes. Flights with two or more stops typically take longer, averaging about 10 hours 48 minutes. The distance between these two airports is approximately 1,337 kilometers. Keep in mind that actual travel times can vary based on layover duration, routing, and weather conditions.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County Intl.)?
You can fly first class between SEA and CPR. First class cabins are available on United.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County 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 Casper, WY (CPR) from Seattle, WA (SEA)?
If you're planning to travel to Casper from Seattle - Tacoma Intl. (SEA), you can fly directly into Natrona County Intl. (CPR). Some flights may connect through major hubs like Salt Lake City Intl. (SLC), Los Angeles Intl. (LAX), or John Wayne (SNA) before reaching Casper. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County Intl.) flight and hotel package 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Casper, WY (CPR-Natrona County 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
Seattle - Tacoma Intl.
Destination airport
Natrona County Intl.
Distance
1329 km

Book with confidence

Seattle to Casper Flights

The easy way to book your flights from Seattle to Casper 

With Expedia, it’s simple to find and book flights to Casper from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Natrona County Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Casper today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Natrona County Intl., CPR 

Sort your search results by price to find great deals on your flight from Seattle to Casper—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Casper from Seattle currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Casper  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Casper from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Casper with Expedia today.

Seattle to Casper Flights

Explore a world of travel with Expedia

*Available to Expedia members.