SEA to SDY (Seattle to Sidney) Flights

Last Minute Flights from SEA to SDY

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
SEASidneyJuly 11 to July 19$405
*Prices include taxes and fees

Cheapest SEA to SDY Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
SEASidneySeptember 3 to September 15$288
SEASidneyAugust 27 to September 15$296
SEASidneySeptember 3 to September 13$306
SEASidneyAugust 26 to September 13$314
*Prices include taxes and fees
SEA to SDY Flight Details
Origin airport
Seattle - Tacoma Intl.
Origin airport IATA code
SEA
Destination airport
Sidney-Richland Municipal
Destination airport IATA code
SDY
Distance
842 mi

Frequently asked questions

What airlines fly direct from Sea-Tac Airport to SDY?
At the moment, you can't fly straight between these destinations. You'll need to grab a flight with at least one stop from Sea-Tac Airport to Sidney-Richland Municipal Airport (SDY).
What is the flight distance from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal)?
It's just 840 miles (1,350 1) from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal), making it a short-haul journey. Try to secure a window seat and enjoy the skyline of Sidney as you come in for landing.
What is the average price from SeaTac to Sidney?
You can find a round-trip flight from SEA to SDY beginning from around $288. The cheapest deals disappear fast, so book as soon as you've confirmed your travel dates. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Seattle to Sidney Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Seattle to Sidney to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from SEA to SDY, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Seattle to Sidney, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.