Cheap flights from Billings to Washington

One-way fares from $325 · BIL → WAS · prices found by travellers in the last 48 hours

Compare all dates Washington → Billings
Cheapest fare
$325

Alaska Airlines · Sun, Nov 15

Cheapest month
November

from $325

Direct flights
Not recently

Usually 1+ stop

Quickest trip
7h 16m

2,680 km

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Cheapest month to fly from Billings to Washington

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

  1. November 2026 Cheapest $325

Cheapest dates in November 2026

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

Alaska Airlines
Depart07:18 Sun, Nov 15BIL → BWI 7h 16m · 1 stop
$325one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Washington

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

Where to stay

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

Things to do

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

Getting around

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

About flights from Billings to Washington

Billings (BIL) and Washington (WAS) are about 2,680 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 7h 16m. Over the next few months, one-way fares start from $325, and November 2026 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 Washington?

The cheapest one-way fare we've seen recently is $325 with Alaska Airlines, departing Sunday, November 15, 2026.

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

November 2026 currently has the lowest fares, from $325 one way.

Are there direct flights from Billings to Washington?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Billings to Washington?

The quickest journey we've seen takes about 7h 16m. Billings and Washington are around 2,680 km apart.

Which airlines fly from Billings to Washington?

Recent fares on this route were with Alaska Airlines.

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