Flights from Portland to Buffalo

Did you mean Flights from Buffalo to Portland?

Portland

United States

PWM

Portland International Jetport Airport

Buffalo

United States

BUF

Buffalo Niagara International Airport

Route: Published service includes stops
Distance: 426 miles
Marketing airlines: 1 airline
Aircraft: 1 aircraft type
Dates: Mar 23 – 31, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Departure window: 2026-10-23 – 2026-11-21.

No recent fares appear in this limited preview. This does not mean the route is sold out. Use the search controls to check other dates and routes.

Portland to Buffalo route overview

Portland International Jetport Airport (PWM) serves Portland; Buffalo Niagara International Airport (BUF) serves Buffalo.

The airports are 426 miles apart by great-circle distance.

Roame's current schedule feed lists service with stops from PWM to BUF, but no nonstop service.

Marketing airlines listed in the current schedule, including codeshare sellers, are Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Mar 23 – 31, 2027.

Marketing airlines on the Portland to Buffalo route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Aircraft flying from PWM to BUF

Frequently asked questions

Which airports serve the Portland to Buffalo route?

Portland International Jetport Airport (PWM) is the origin airport and Buffalo Niagara International Airport (BUF) is the destination airport.

How far is Buffalo from Portland?

PWM and BUF are approximately 426 miles apart by great-circle distance.

Are there direct flights from PWM to BUF?

No. Roame's current schedule feed lists service with stops from PWM to BUF, but no nonstop service.

Which airlines market flights from PWM to BUF?

Which aircraft fly from PWM to BUF?

Aircraft listed in the current schedule include 7S7.