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Las Vegas skyline — flights from Portland from €84, cheapest in December

Portland to Las Vegas: buy now or wait?

Typical one-way fare Portland→Las Vegas: €84 (median of 25 daily lowest fares we tracked); under €71 is a good price; cheapest month: December; book 28–41 days ahead.

Your call FareScore 48/100
$93 ≈ €84 Today's best fare

Cheaper than 48% of what we have seen

7 Dec Frontier Airlines Direct
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Fare Desk notes

The lowest fare we have logged for a one-way flight from Portland to Las Vegas is €72. Today's offer from Southwest Airlines for departure on 11 November 2026 is €112, which is higher than the typical route fare of €92. This price is cheaper than only 25% of the fares we logged across 14 observations. Given these metrics, our verdict on the current price is that it is your call, as we do not consider this a strong offer.

For travelers who can adjust their schedule, our data shows that October is the cheapest month to fly this route, with a typical fare of €81 based on 5 observations. In contrast, September departures show a higher typical fare of €130 based on 9 observations.

Our records suggest that booking 56 to 83 days before departure yields the lowest typical fare of €81. Booking within this specific window has historically saved travelers €49 compared to last-minute bookings.

Piratefly Fare Desk · prices checked on

All fares Portland → Las Vegas

Cheapest first. Every price is live and goes straight to booking.

What the history says

Prices recorded 136
Typical price €84
Lowest we saw €76

Based on 136 prices we recorded on this exact route, compared against the same departure month.

Best booking window

28–41 days — is when this route has been cheapest to book: €76 typical, on 35 observations. That is about €60 less than booking in the last two weeks.

Cheapest months to fly to Las Vegas

December €84 37 observations
November €105 63 observations
September €130 6 observations

Booking tips from our fare data

How far in advance should you book a flight?
Book 1.5–2 months before departure. Tracking the same flights at every lead time (110,945 flights on 21,717 routes, 2026-06-14 to 2026-11-10), that window had the smallest average premium over each flight's lowest fare: +16.3%, against +48.8% in the last 3 days.
How much does a flight in Europe cost?
€114 one way at the median, across 28,636 routes within Europe (fares observed 2026-06-14 to 2026-11-10). The cheapest countries to fly to were Albania (€58), Malta (€64), Italy (€76); the dearest Belarus (€299) and Russia (€291).
Are flights getting more expensive?
Not right now. The Piratefly monthly Fare Index stands at 98.5 in 2026-11 (month in progress), against 100 in 2026-08: comparable flights are 1.5% cheaper than then, measured on the same routes month to month.

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