Portland to Chattanooga: buy now or wait?
Your call FareScore 25/100
$353 ≈ €316 Today's best fare
Cheaper than 25% of what we have seen
13 Nov Frontier Airlines With a stop
Usually $353
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All fares Portland → Chattanooga
Cheapest first. Every price is live and goes straight to booking.
What the history says
Prices recorded 8
Typical price €316
Lowest we saw €316
Based on 8 prices we recorded on this exact route, compared against every month we have on record.
Best booking window
0–13 days — is when this route has been cheapest to book: €316 typical, on 8 observations.
Cheapest months to fly to Chattanooga
November €316 8 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 (105,470 flights on 20,996 routes, 2026-06-14 to 2026-11-08), that window had the smallest average premium over each flight's lowest fare: +16.4%, against +48.8% in the last 3 days.
- How much does a flight in Europe cost?
- €113 one way at the median, across 28,189 routes within Europe (fares observed 2026-06-14 to 2026-11-08). The cheapest countries to fly to were Albania (€57.75), Malta (€64), Italy (€75.5); the dearest Belarus (€299) and Russia (€290).
- What is the cheapest day of the week to fly?
- Wednesday. Comparing each fare with the median of its own route, Wednesday departures were +3.8% and Tuesday +4.3%, while Friday was the dearest at +10.3%. Weekend departures cost more than midweek ones.
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