How long is the flight from Seattle to Riverton, Wyoming?

For as low as $680, United Airlines can have you in Riverton, Wyoming from Seattle in 8h 16m. Seattle and Riverton, Wyoming are separated by a distance of 737 mi.

What is the cheapest airline to fly from Seattle to Riverton, Wyoming round-trip?

United Airlines, at $263, was found to be the cheapest airline from Seattle to Riverton, Wyoming..

In terms of precipitation, rainfall in Riverton, Wyoming ranges from 0.2 - 1.9 inches per month. May is typically the wettest month, when rainfall can reach 1.9 in. January is typically the driest time to visit Riverton, Wyoming when rainfall is around 0.2 in.

If weather is an important factor for your trip to Riverton, Wyoming, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

What is the cheapest time of day to fly from SEA to RIW?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Riverton, Wyoming as you normally would.

Most accurate provider : When it comes to deals on Seattle-Riverton, Wyoming flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Riverton, Wyoming flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Riverton, Wyoming flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Seattle-Riverton, Wyoming flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Riverton, Wyoming flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Seattle to Riverton that include hotel bookings?

Yes. In addition to deals on Seattle to Riverton flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seattle to Riverton?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Riverton.

Can I find deals for business class flights from Seattle to Riverton?

Yes. Cheapflights offers flight deals from Seattle to Riverton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$428+ Cheap Flights from Seattle to Riverton, WY

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Cheap flight deals from Seattle to Riverton

Cheapest

Best

Last-minute

One-way

Cheapest flights from Seattle to Riverton
Explore the most affordable flight options available from Seattle to Riverton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.

Mon 10/512:43 pm -

1 stop8h 16m

Fri 10/92:19 pm -

1 stop28h 18m

Deal found 9/20

$680

Wed 10/75:00 am -

1 stop7h 32m

Sun 10/112:19 pm -

1 stop7h 56m

Deal found 9/22

$698

Find flight deals from Seattle to Riverton

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$680 (United Airlines)
One-way from	$428 (United Airlines)

Provider with most accurate pricing for Seattle/Tacoma Intl-Riverton flight deals.

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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Riverton flights.

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From Seattle/Tacoma Intl to Riverton

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One-way flight from Seattle/Tacoma Intl to Riverton

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleRiverton

SEA Seattle/Tacoma Intl - RIW Riverton

SEARIW

Seattle/Tacoma Intl

Thu 10/1

2:27 pm-9:59 pm

1 stop6h 32m

Riverton

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$428

SeattleRiverton

SEA Seattle/Tacoma Intl - RIW Riverton

SEARIW

Seattle/Tacoma Intl

Mon 10/5

12:43 pm-9:59 pm

1 stop8h 16m

Riverton

Fri 10/9

2:19 pm-5:37 pm

1 stop28h 18m

$680

SeattleRiverton

SEA Seattle/Tacoma Intl - RIW Riverton

SEARIW

Seattle/Tacoma Intl

Wed 10/7

5:00 am-1:32 pm

1 stop7h 32m

Riverton

Sun 10/11

2:19 pm-9:15 pm

1 stop7h 56m

$698

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/20

Sorted by cheapest first

Compare providers for flights from Seattle to Riverton

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Riverton in September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Seattle-Riverton, Wyoming flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Riverton, Wyoming flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Riverton, Wyoming flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Seattle-Riverton, Wyoming flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Riverton, Wyoming flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Riverton

Have a flexible travel schedule? Discover the best time to fly to Riverton from Seattle with our price prediction graph.

SEA-RIW

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Riverton

Get a feel of what it's like to fly with United Airlines from Seattle to Riverton by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

10,233 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

United Airlines

7.4

Good

10,233 reviews

United Airlines

7.4

Good

10,233 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

How long is the flight from Seattle to Riverton, Wyoming?
For as low as $680, United Airlines can have you in Riverton, Wyoming from Seattle in 8h 16m. Seattle and Riverton, Wyoming are separated by a distance of 737 mi.
What is the cheapest airline to fly from Seattle to Riverton, Wyoming round-trip?
United Airlines, at $263, was found to be the cheapest airline from Seattle to Riverton, Wyoming..
Can I find deals for flights from Seattle to Riverton that include hotel bookings?
Yes. In addition to deals on Seattle to Riverton flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Riverton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Riverton.
Can I find deals for business class flights from Seattle to Riverton?
Yes. Cheapflights offers flight deals from Seattle to Riverton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Seattle to Riverton

Top airline flying from Seattle to Riverton

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$263	Average$338	FlexibilityNo cancel fee	On-time69%

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$428+ Cheap flights from Seattle to Riverton, WY (SEA - RIW)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Riverton with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Seattle to Riverton

Cheapest flights from Seattle to RivertonExplore the most affordable flight options available from Seattle to Riverton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.

Explore the most affordable flight options available from Seattle to Riverton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.

Best flights from Seattle to RivertonDiscover carefully curated flight deals from Seattle to Riverton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.

Discover carefully curated flight deals from Seattle to Riverton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.

Last-minute flights from Seattle to RivertonDiscover last-minute flight deals from Seattle to Riverton. Data last updated September 24, 2026 and is based on user searches.

Discover last-minute flight deals from Seattle to Riverton. Data last updated September 24, 2026 and is based on user searches.

One-way flights from Seattle to RivertonSearch for one-way flight options from Seattle to Riverton. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.

Search for one-way flight options from Seattle to Riverton. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.

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

Compare providers for flights from Seattle to Riverton

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Riverton in September.

Best time to book a flight from Seattle to Riverton

Have a flexible travel schedule? Discover the best time to fly to Riverton from Seattle with our price prediction graph.

Reviews of airlines servicing Riverton

Get a feel of what it's like to fly with United Airlines from Seattle to Riverton by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Seattle to Riverton, Wyoming?

What is the cheapest airline to fly from Seattle to Riverton, Wyoming round-trip?

Can I find deals for flights from Seattle to Riverton that include hotel bookings?

How can I find direct flights from Seattle to Riverton?

Can I find deals for business class flights from Seattle to Riverton?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Riverton

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Riverton by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Seattle to Riverton by cabin class

Find flights from Seattle to Riverton, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Seattle and Riverton flights

Browse other Seattle and Riverton flight options. Last updated on September 24, 2026.

Other flights from Seattle

Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on September 24, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to Riverton

Explore flights to Riverton departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 24, 2026.

Top airline flying from Seattle to Riverton

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Travel Smart

Cheapest flights from Seattle to Riverton
Explore the most affordable flight options available from Seattle to Riverton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.

Best flights from Seattle to Riverton
Discover carefully curated flight deals from Seattle to Riverton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.

Last-minute flights from Seattle to Riverton
Discover last-minute flight deals from Seattle to Riverton. Data last updated September 24, 2026 and is based on user searches.

One-way flights from Seattle to Riverton
Search for one-way flight options from Seattle to Riverton. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.