What is the cheapest airline that flies from Portland to Buffalo?

Delta and American Airlines are the most popular carriers operating from Portland to Buffalo

What airlines fly to Buffalo?

JetBlue, American Airlines and Southwest are the top three most popular airlines that fly to Buffalo from Portland, Maine according to our data. JetBlue is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Buffalo. Keep in mind that there are 6 different airlines that fly to Buffalo on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Portland Airport to Buffalo Airport?

Prices for flights from Portland Airport to Buffalo Airport are updated daily.

How many operators does momondo search for flights from Portland Airport to Buffalo Airport?

As of January 2026, there are 4 operators available to choose from for flights from Portland Airport to Buffalo Airport.

How old do you have to be to fly from Portland Airport to Buffalo Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Buffalo Airport.

What documentation or ID do you need to fly to Buffalo Airport?

The travel and health documents required for your trip to Buffalo Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buffalo Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$89 Cheap Flights from Portland to Buffalo in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Portland, Maine to Buffalo

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:59 pm - 10:39 pm

PWM

BUF

4h 40m

1 stop

6:01 am - 11:18 am

BUF

PWM

5h 17m

1 stop

$177Delta

Tue, Feb 24 - Wed, Feb 25

7:07 pm - 11:56 pm

PWM

BUF

4h 49m

1 stop

6:00 am - 10:49 am

BUF

PWM

4h 49m

1 stop

$184United Airlines

Wed, Mar 25 - Thu, Mar 26

6:00 am - 12:14 pm

PWM

BUF

6h 14m

1 stop

4:04 pm - 11:50 pm

BUF

PWM

7h 46m

2 stops

$206American Airlines

Tue, Feb 24 - Wed, Feb 25

6:00 am - 3:25 pm

PWM

BUF

9h 25m

2 stops

4:04 pm - 11:50 pm

BUF

PWM

7h 46m

2 stops

$227American Airlines

Tue, Feb 24 - Wed, Feb 25

4:48 pm - 10:55 pm

PWM

BUF

6h 07m

1 stop

10:23 am - 5:08 pm

BUF

PWM

6h 45m

1 stop

$248Delta

Wed, Apr 1 - Sun, Apr 5

6:00 am - 11:29 am

PWM

BUF

5h 29m

1 stop

9:45 am - 1:23 pm

BUF

PWM

3h 38m

1 stop

$258JetBlue

Fri, May 1 - Mon, May 4

5:30 am - 8:25 pm

PWM

BUF

14h 55m

2 stops

11:20 am - 4:45 pm

BUF

PWM

5h 25m

1 stop

$259Southwest

Tue, Mar 24 - Thu, Mar 26

6:00 am - 3:25 pm

PWM

BUF

9h 25m

2 stops

5:29 pm - 11:55 pm

BUF

PWM

6h 26m

1 stop

$262American Airlines

Wed, Mar 25 - Thu, Mar 26

5:30 am - 8:25 pm

PWM

BUF

14h 55m

2 stops

12:30 pm - 12:05 am

BUF

PWM

11h 35m

2 stops

$270Southwest

Tue, Mar 24 - Thu, Mar 26

5:30 pm - 12:10 am

PWM

BUF

6h 40m

1 stop

6:00 pm - 12:05 am

BUF

PWM

6h 05m

1 stop

$272Southwest

Thu, Mar 5 - Sun, Mar 8

Southwest flights from Portland, Maine to Buffalo

Our best Southwest deals on Portland, Maine to Buffalo flight tickets

Southwest

Mar 24

PWM5:30 amPortland

14h 55m

2 stops

BUF8:25 pmBuffalo

Mar 26

BUF11:20 amBuffalo

5h 25m

1 stop

PWM4:45 pmPortland

$259

Southwest

Mar 24

PWM5:30 amPortland

14h 55m

2 stops

BUF8:25 pmBuffalo

Mar 26

BUF12:30 pmBuffalo

11h 35m

2 stops

PWM12:05 amPortland

$270

Southwest

Mar 5

PWM5:30 pmPortland

6h 40m

1 stop

BUF12:10 amBuffalo

Mar 8

BUF6:00 pmBuffalo

6h 05m

1 stop

PWM12:05 amPortland

$272

Delta flights from Portland, Maine to Buffalo

Our best Delta deals on Portland, Maine to Buffalo flight tickets

Delta

Feb 24

PWM5:59 pmPortland

4h 40m

1 stop

BUF10:39 pmBuffalo

Feb 25

BUF6:01 amBuffalo

5h 17m

1 stop

PWM11:18 amPortland

$177

Delta

Apr 1

PWM4:48 pmPortland

6h 07m

1 stop

BUF10:55 pmBuffalo

Apr 5

BUF10:23 amBuffalo

6h 45m

1 stop

PWM5:08 pmPortland

$248

Delta

Feb 7

PWM2:35 pmPortland

4h 37m

1 stop

BUF7:12 pmBuffalo

Feb 10

BUF7:45 pmBuffalo

4h 35m

1 stop

PWM12:20 amPortland

$346

Fly from

Fly to

Route

Depart

Return

Price

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Tue 2/24

5:59 pm-10:39 pm

1 stop4h 40m

Buffalo

Wed 2/25

6:01 am-11:18 am

1 stop5h 17m

$177

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Wed 3/25

7:07 pm-11:56 pm

1 stop4h 49m

Buffalo

Thu 3/26

6:00 am-10:49 am

1 stop4h 49m

$184

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Tue 2/24

6:00 am-12:14 pm

1 stop6h 14m

Buffalo

Wed 2/25

4:04 pm-11:50 pm

2 stops7h 46m

$206

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Tue 2/24

6:00 am-3:25 pm

2 stops9h 25m

Buffalo

Wed 2/25

4:04 pm-11:50 pm

2 stops7h 46m

$227

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Wed 4/1

4:48 pm-10:55 pm

1 stop6h 07m

Buffalo

Sun 4/5

10:23 am-5:08 pm

1 stop6h 45m

$248

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Fri 5/1

6:00 am-11:29 am

1 stop5h 29m

Buffalo

Mon 5/4

9:45 am-1:23 pm

1 stop3h 38m

$258

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Tue 3/24

5:30 am-8:25 pm

2 stops14h 55m

Buffalo

Thu 3/26

11:20 am-4:45 pm

1 stop5h 25m

$259

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Wed 3/25

6:00 am-3:25 pm

2 stops9h 25m

Buffalo

Thu 3/26

5:29 pm-11:55 pm

1 stop6h 26m

$262

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Tue 3/24

5:30 am-8:25 pm

2 stops14h 55m

Buffalo

Thu 3/26

12:30 pm-12:05 am

2 stops11h 35m

$270

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Thu 3/5

5:30 pm-12:10 am

1 stop6h 40m

Buffalo

Sun 3/8

6:00 pm-12:05 am

1 stop6h 05m

$272

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland, Maine to Buffalo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of November, then book flights to Buffalo from Portland, Maine during September instead. Flights to Buffalo in September, while not as cheap as those in November, still average around $256.

How have Portland, Maine to Buffalo flight prices changed over time?

When to book flights from Portland, Maine to Buffalo

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to Buffalo according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland, Maine to Buffalo (PWM to BUF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Buffalo

Fastest flight time	4h 46m
Direct flights	None

The fastest flight from Portland, Maine to Buffalo takes 4h 46m

There are no direct flights from Portland, Maine to Buffalo. There are no popular flight routes from Portland, Maine to Buffalo.

Search flight deals

How far is Portland to Buffalo by plane?
Portland and Buffalo are 436.6 mi apart from one another. A reasonable flight in good conditions will take 4h 46m.
When did momondo last update prices for flights from Portland Airport to Buffalo Airport?
Prices for flights from Portland Airport to Buffalo Airport are updated daily.
How many operators does momondo search for flights from Portland Airport to Buffalo Airport?
As of January 2026, there are 4 operators available to choose from for flights from Portland Airport to Buffalo Airport.
How old do you have to be to fly from Portland Airport to Buffalo Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Buffalo Airport.
What documentation or ID do you need to fly to Buffalo Airport?
The travel and health documents required for your trip to Buffalo Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buffalo Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Portland, Maine to Buffalo?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Portland, Maine to Buffalo is American Airlines (30% of total bookings). The next most popular airlines are Delta (29%), Southwest (29%), and JetBlue (11%).

Best airlines flying from Portland, Maine to Buffalo

Compare and see reviews for airlines that fly from Portland, Maine to Buffalo with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $196	Free Cancellation	Rating 7.2 11,206 reviews	Search American Airlines flights
Delta	PriceFrom $196	Free Cancellation	Rating 7.9 8,127 reviews	Search Delta flights
JetBlue	PriceFrom $203	Free Cancellation	Rating 7.2 2,891 reviews	Search JetBlue flights
Southwest	PriceFrom $238	Free Cancellation	Rating 8.0 4,267 reviews	Search Southwest flights

Batavia

Cheektowaga

Amherst

Tonawanda

Grand Island

Williamsville

Orchard Park

Lockport

West Seneca

Bowmansville

East Aurora

Eden

Angola

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Buffalo?

It is quick and easy to find Portland to Buffalo flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Buffalo that suits you.

Can I find flights from Portland to Buffalo with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Buffalo from Portland with this policy.

How can momondo help me find flights from Portland to Buffalo?

momondo helps you find the best flight between Portland and Buffalo by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Portland to Buffalo right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Buffalo, momondo offers a useful price alert feature which will track prices for flights to Buffalo from Portland and alert you when they change.