$119 Find Cheap Flights from Helena to Seattle - Compare and Save

In the last 5 days, the lowest price for a flight from Helena to Seattle was $119 for a one-way ticket and $177 for a round-trip.

No, a passport isn't needed to fly from Helena to Seattle. However, local authorities might ask for an official ID.

Helena and Seattle are both served by 1 main airport. You will leave Helena from Helena and will be arriving at Seattle/Tacoma Intl.

Only Alaska Airlines offers inflight Wi-Fi service on the Helena to Seattle flight route.

The Embraer 175 is the aircraft model that flies most regularly on the Helena to Seattle flight route.

oneworld is the only airline alliance operating flights between Helena and Seattle.

There are nonstop flights from Helena to Seattle on a daily basis.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Helena to Seattle.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Helena is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Helena with another airline. Booking your flights between Helena and SEA can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Helena up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.