Cheap flights from Portland to Boston
from 261 US$
Compare hundreds of airlines Portland–Boston
The cheapest month is usually 2026-08 · 261 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Portland to Boston, a about 4,068 km route (around 5h 35m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Alaska Airlines, Delta operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Portland to Boston?
It's usually 2026-08, from 261 USD. Use the price calendar to compare other dates.
How long is the flight from Portland to Boston?
A nonstop flight takes about 5h 35m and covers around 4,068 km. Connecting itineraries take longer.
Are there direct flights from Portland to Boston?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Portland to Boston?
Alaska Airlines, Delta operate this route, among others. Compare them all in the results.
When should I book Portland–Boston flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Portland → Boston · Live fares from 100+ sites — free, with no hidden fees.