Cheap flights from Billings to Seattle

One-way fares from $222 · BIL → SEA · prices found by travellers in the last 48 hours

Compare all dates Seattle → Billings
Cheapest fare
$222

Alaska Airlines · Sat, Aug 21

Cheapest month
August

from $222

Direct flights
Yes

Alaska Airlines

Flight time
2h 09m

1,070 km

Get a price alert

We'll email you when Billings → Seattle drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $222. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Billings to Seattle

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $257
  2. August 2027 Cheapest $222

Cheapest dates in August 2027

The lowest fares we've seen for each day, cheapest first.

Alaska Airlines
Depart06:00 Sat, Aug 21BIL → SEA 2h 09m · Direct
$222one way, per person
View deal
See every date in August 2027 →

Plan the rest of your trip to Seattle

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in SeattleCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in SeattleTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in SeattlePre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in SeattleCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Billings to Seattle

Billings (BIL) and Seattle (SEA) are about 1,070 km apart. Direct flights take around 2h 09m, and recent direct fares were with Alaska Airlines. Over the next few months, one-way fares start from $222, and August 2027 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Billings to Seattle?

The cheapest one-way fare we've seen recently is $222 with Alaska Airlines, departing Saturday, August 21, 2027. Over the coming months, the lowest fare in each month ranges from $222 to $257.

What is the cheapest month to fly from Billings to Seattle?

August 2027 currently has the lowest fares, from $222 one way.

Are there direct flights from Billings to Seattle?

Yes. Recent direct fares were with Alaska Airlines.

How long is the flight from Billings to Seattle?

A direct flight takes about 2h 09m. Billings and Seattle are around 1,070 km apart.

Which airlines fly from Billings to Seattle?

Recent fares on this route were with Alaska Airlines.

More cheap flights from Billings

Compare flights to Seattle from other cities →