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Cheap flights from Seattle to Casper from $293

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Casper

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:05 am - 10:49 amSEA  Seattle/Tacoma Intl-CPR Casper Natrona County
4h 44m1 stop Denver Intl
United Airlines Logo
5:15 am - 9:47 amCPR  Casper Natrona County-SEA Seattle/Tacoma Intl
5h 32m1 stop Denver Intl
$378United Airlines
Thu, Nov 19 - Mon, Nov 23
United Airlines Logo
5:05 am - 10:49 amSEA  Seattle/Tacoma Intl-CPR Casper Natrona County
4h 44m1 stop Denver Intl
United Airlines Logo
1:29 pm - 9:50 pmCPR  Casper Natrona County-SEA Seattle/Tacoma Intl
9h 21m2 stops Denver Intl Los Angeles
$384United Airlines
Thu, Nov 19 - Mon, Nov 23
United Airlines Logo
5:05 am - 10:49 amSEA  Seattle/Tacoma Intl-CPR Casper Natrona County
4h 44m1 stop Denver Intl
United Airlines Logo
5:15 am - 9:47 amCPR  Casper Natrona County-SEA Seattle/Tacoma Intl
5h 32m1 stop Denver Intl
$409United Airlines
Sun, Nov 22 - Thu, Nov 26
United Airlines Logo
5:05 am - 10:49 amSEA  Seattle/Tacoma Intl-CPR Casper Natrona County
4h 44m1 stop Denver Intl
United Airlines Logo
5:15 am - 4:32 pmCPR  Casper Natrona County-SEA Seattle/Tacoma Intl
12h 17m2 stops Denver Intl Los Angeles
$414United Airlines
Sun, Nov 22 - Thu, Nov 26
United Airlines Logo
5:05 am - 2:48 pmSEA  Seattle/Tacoma Intl-CPR Casper Natrona County
8h 43m1 stop Denver Intl
United Airlines Logo
10:40 am - 6:24 pmCPR  Casper Natrona County-SEA Seattle/Tacoma Intl
8h 44m1 stop Denver Intl
$448United Airlines
Wed, Dec 2 - Sat, Dec 5
United Airlines Logo
5:05 am - 12:40 pmSEA  Seattle/Tacoma Intl-CPR Casper Natrona County
6h 35m1 stop Denver Intl
United Airlines Logo
10:40 am - 9:58 pmCPR  Casper Natrona County-SEA Seattle/Tacoma Intl
12h 18m2 stops Denver Intl Los Angeles
$454United Airlines
Wed, Dec 2 - Sat, Dec 5
United Airlines Logo
8:30 am - 5:17 pmSEA  Seattle/Tacoma Intl-CPR Casper Natrona County
7h 47m1 stop Denver Intl
United Airlines Logo
3:24 pm - 9:21 pmCPR  Casper Natrona County-SEA Seattle/Tacoma Intl
6h 57m1 stop Denver Intl
$458United Airlines
Wed, Dec 2 - Sat, Dec 5
United Airlines Logo
5:05 am - 2:48 pmSEA  Seattle/Tacoma Intl-CPR Casper Natrona County
8h 43m1 stop Denver Intl
United Airlines Logo
10:40 am - 6:24 pmCPR  Casper Natrona County-SEA Seattle/Tacoma Intl
8h 44m1 stop Denver Intl
$458United Airlines
Wed, Dec 2 - Sat, Dec 5

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United Airlines flights from Seattle to Casper

Our best United Airlines deals on Seattle to Casper flight tickets
United Airlines
Nov 19
SEA5:05 amSeattle/Tacoma Intl
4h 44m
1 stop
CPR10:49 amCasper Natrona County
Nov 23
CPR5:15 amCasper Natrona County
5h 32m
1 stop
SEA9:47 amSeattle/Tacoma Intl
$378
United Airlines
Nov 19
SEA5:05 amSeattle/Tacoma Intl
4h 44m
1 stop
CPR10:49 amCasper Natrona County
Nov 23
CPR1:29 pmCasper Natrona County
9h 21m
2 stops
SEA9:50 pmSeattle/Tacoma Intl
$384
United Airlines
Nov 22
SEA5:05 amSeattle/Tacoma Intl
4h 44m
1 stop
CPR10:49 amCasper Natrona County
Nov 26
CPR5:15 amCasper Natrona County
5h 32m
1 stop
SEA9:47 amSeattle/Tacoma Intl
$409

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Casper that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleCasper

SEA Seattle/Tacoma Intl - CPR Casper Natrona County

SEACPR

Seattle/Tacoma Intl

Thu 11/19

5:05 am-10:49 am

1 stop4h 44m

Casper Natrona County

Mon 11/23

5:15 am-9:47 am

1 stop5h 32m

$378

SeattleCasper

SEA Seattle/Tacoma Intl - CPR Casper Natrona County

SEACPR

Seattle/Tacoma Intl

Thu 11/19

5:05 am-10:49 am

1 stop4h 44m

Casper Natrona County

Mon 11/23

1:29 pm-9:50 pm

2 stops9h 21m

$384

SeattleCasper

SEA Seattle/Tacoma Intl - CPR Casper Natrona County

SEACPR

Seattle/Tacoma Intl

Sun 11/22

5:05 am-10:49 am

1 stop4h 44m

Casper Natrona County

Thu 11/26

5:15 am-9:47 am

1 stop5h 32m

$409

SeattleCasper

SEA Seattle/Tacoma Intl - CPR Casper Natrona County

SEACPR

Seattle/Tacoma Intl

Sun 11/22

5:05 am-10:49 am

1 stop4h 44m

Casper Natrona County

Thu 11/26

5:15 am-4:32 pm

2 stops12h 17m

$414

SeattleCasper

SEA Seattle/Tacoma Intl - CPR Casper Natrona County

SEACPR

Seattle/Tacoma Intl

Wed 12/2

5:05 am-2:48 pm

1 stop8h 43m

Casper Natrona County

Sat 12/5

10:40 am-6:24 pm

1 stop8h 44m

$448

SeattleCasper

SEA Seattle/Tacoma Intl - CPR Casper Natrona County

SEACPR

Seattle/Tacoma Intl

Wed 12/2

5:05 am-12:40 pm

1 stop6h 35m

Casper Natrona County

Sat 12/5

10:40 am-9:58 pm

2 stops12h 18m

$454

SeattleCasper

SEA Seattle/Tacoma Intl - CPR Casper Natrona County

SEACPR

Seattle/Tacoma Intl

Wed 12/2

8:30 am-5:17 pm

1 stop7h 47m

Casper Natrona County

Sat 12/5

3:24 pm-9:21 pm

1 stop6h 57m

$458

SeattleCasper

SEA Seattle/Tacoma Intl - CPR Casper Natrona County

SEACPR

Seattle/Tacoma Intl

Wed 12/2

5:05 am-2:48 pm

1 stop8h 43m

Casper Natrona County

Sat 12/5

10:40 am-6:24 pm

1 stop8h 44m

$458
Cheapest one-way

SeattleCasper

SEA Seattle/Tacoma Intl - CPR Casper Natrona County

SEACPR

Seattle/Tacoma Intl

Sat 2/13

8:36 am-5:17 pm

1 stop7h 41m

$293

SeattleCasper

SEA Seattle/Tacoma Intl - CPR Casper Natrona County

SEACPR

Seattle/Tacoma Intl

Sat 2/13

8:30 am-8:44 pm

2 stops11h 14m

$299

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Casper from

How to get the cheapest flight ticket from Seattle to Casper

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Casper?

In general, January is the cheapest month to fly from Seattle to Casper. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $343. If you aren’t able to travel during the month of January, then book flights to Casper from Seattle during September instead. Flights to Casper in September, while not as cheap as those in January, still average around $406.

When to book flights from Seattle to Casper

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Casper according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Casper (SEA to CPR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Casper

Best Price Found

$293

Fastest flight time

4h 44m

Direct flights

None
The best one-way flight to Casper from Seattle in the past 72 hours is $293. The best round-trip flight deal from Seattle to Casper found on momondo in the last 72 hours is $378.
The fastest flight from Seattle to Casper takes 4h 44m
There are no direct flights from Seattle to Casper. There are no popular flight routes from Seattle to Casper.
Search flight deals

Frequently asked questions about flying from Seattle to Casper

  • How far is Seattle/Tacoma Intl to Casper Natrona County by plane?

    Casper Natrona County is 843.3 mi away from Seattle/Tacoma Intl. Flights usually cover this in 4h 44m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Casper Natrona County Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Casper Natrona County Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Casper Natrona County Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Casper Natrona County Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Casper Natrona County Airport.

  • What documentation or ID do you need to fly to Casper Natrona County Airport?

    The necessary travel and health documents for your Casper Natrona County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Casper?

Best airlines flying from Seattle to Casper

Compare and see reviews for airlines that fly from Seattle to Casper with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $308Free CancellationRating
7.3
10,469 reviews
Search United Airlines flights

Traveling to a place near Casper?

Book flights to Casper if you plan to visit one of these locations
Douglas
Rawlins
Evansville

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Casper?

It is quick and easy to find Seattle to Casper flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Casper that suits you.

Can I find flights from Seattle to Casper with flexible booking policies on momondo?

Flights from Seattle to Casper with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Casper?

Once you have performed a search for Seattle to Casper flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seattle to Casper right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Casper now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Casper and let you know when they change.

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