$149 Find Cheap Flights from Billings to Seattle - Compare and Save

Among airlines operating Billings to Seattle flights:

• Alaska Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Alaska Airlines operates flights between Billings and Seattle.

Flights from Billings to Seattle usually depart from Billings Logan Intl (BIL) and arrive at Seattle/Tacoma Intl (SEA).

Here are some options for this route, based on selected ticket types and cabin classes:

• Alaska Airlines: a cabin bag and a checked bag in Economy Class
• Hawaiian Airlines: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Three cabin classes are available on flights from Billings to Seattle:

• Economy Class
• Business Class
• First Class

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $314 round-trip, compared to $362 via a layover through Las Vegas Harry Reid Intl (LAS).

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$40 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Embraer 175 family is used most often on this route, operated mainly by Hawaiian Airlines and American Airlines. Other aircraft seen on the route include Airbus A320-100/200 variants.

One-stop flights from Billings to Seattle most commonly connect through:

• Salt Lake City (SLC) - 67% of one-stop connections
• Denver Intl (DEN) - 22% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 11% of one-stop connections

Salt Lake City (SLC) handles the largest share of one-stop connections on this route.

On the Billings to Seattle route, being flexible with your departure day can save you up to 42%. Saturday is the cheapest day at $237 round-trip on average, while Sunday is the most expensive at $407: a $170 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Morning is the busiest departure period on Billings to Seattle flights, with 34% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 33%, and night flights for 0%.

Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

These are the earliest and latest flight times available from Billings to Seattle:

• Earliest: departs at 6:00 am and lands at 8:13 am
• Latest: departs at 7:51 pm and lands at 10:04 pm.

The flight takes about 2h 13m.

Last-minute fares on this route - booked within 2 weeks of departure - run 89% above the route average of $318. Book 22 weeks before departure for the lowest fares.

A nonstop flight from Billings to Seattle takes 2h 13m, covering 662 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

One-way fares from Billings to Seattle are currently lower than usual. Average one-way flight prices are about $181, which is 38% below the typical average for this route.

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 6h 04m, compared with 6h 34m via Denver Intl (DEN) and 18h 28m via Las Vegas Harry Reid Intl (LAS).

Seattle is 1 hour behind Billings (Pacific Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
• Fox
• Europcar
• Thrifty
• Budget
• Dollar

Round-trip flights from Billings to Seattle range from $244 to $398, with an average of $318 over the past 12 months. Anything below $244 counts as a good deal.

Alaska Airlines is the only airline on the Billings to Seattle route offering in-flight Wi-Fi. Pricing depends on fare class.