Sidney to Billings flights

Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Sidney to Billings is €35 (checked on 28 Oct 2026).

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Lowest observed

€35Checked on 28 Oct 2026

Average observed

€35

Cheapest month

January 2027

Last checked

28 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €35

Lowest observed

17 Jan 2027

One way

Cheapest observed day · Last checked: 28 Oct 2026

When to fly

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

One-way fare

One-way fare · No data: click and we will search

Lowest observed: €35, departing 17 Jan 2027 (Last checked: 28 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 13Check live prices for this route
Airlines seen: Cape Air
Typical journey time: 1h 51m

Short answer

Routavio has seen Cape Air fares from Sidney to Billings. The lowest fare Routavio's own searches returned is €35, seen on 28 Oct 2026. The average across the fares we caught is €35. January 2027 is the cheapest month in our observations, at €35. These are prices Routavio's searches returned on the dates shown, not quotes; run a live search for today's fare.

About this route

Explore the fares we observed from Sidney to Billings. Prices move often, so pick your dates to see the latest options.

Route distance: 392 km
Typical journey time: 1h 51m

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

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Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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The price is final on the provider's site, where your booking is completed.

How our prices work

Non-stop airlines seen on this route

Fastest non-stop we saw: 1h 51m with Cape Air.

Non-stop airlines seen on this route
Airline	Non-stop days / priced days	Fastest non-stop
Cape Air	5 / 13	1h 51m

Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.

Airport to city: straight-line distance

Sidney - Richland Regional Airport (SDY) → Sidney, city gazetteer reference point (47.7069, -104.1919): ≈ 0 km.
Billings Logan International Airport (BIL) → Billings, city gazetteer reference point (45.7833, -108.5007): ≈ 4 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Frequently asked

How much is a flight from Sidney to Billings?

The lowest fare Routavio has observed is €35, found on 28 Oct 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Sidney to Billings?

In our observations January 2027 is the cheapest month so far, at €35.

Are there direct flights from Sidney to Billings?

Our data holds no non-stop flight from Sidney to Billings. The fares on this page include at least one stop.

Which airlines fly from Sidney to Billings?

Routavio has seen these carriers on the route: Cape Air.

Which airlines had non-stop offers on at least 3 departure dates from Sidney to Billings?

For Sidney to Billings, examples of observed one-way non-stop offers checked within the last 14 days: Cape Air (5). Each number counts distinct departure dates, not weekly flights; check current availability in search.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide