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

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

What airlines fly to Buffalo?

American Airlines, JetBlue and United Airlines are the top three most popular airlines that fly to Buffalo from Portland, Maine according to our data. American Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Buffalo. Keep in mind that there are 5 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 November 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.

$125 Cheap Flights from Portland, Maine to Buffalo in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland, Maine to Buffalo

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:18 pm - 10:53 pmPWM Portland-BUF Buffalo

5h 35m1 stop New York LaGuardia

7:20 pm - 12:19 amBUF Buffalo-PWM Portland

4h 59m1 stop New York John F Kennedy Intl

$324Delta

Mon, Nov 23 - Mon, Nov 30

11:40 am - 5:53 pmPWM Portland-BUF Buffalo

6h 13m1 stop New York LaGuardia

6:33 pm - 11:19 pmBUF Buffalo-PWM Portland

4h 46m1 stop New York LaGuardia

$324Delta

Thu, Feb 18 - Sun, Feb 21

5:25 am - 11:40 amPWM Portland-BUF Buffalo

6h 15m1 stop Baltimore/Washington

3:25 pm - 8:05 amBUF Buffalo-PWM Portland

16h 40m2 stops Chicago Midway Baltimore/Washington

$335Southwest

Thu, Feb 18 - Sun, Feb 21

6:00 am - 10:42 amPWM Portland-BUF Buffalo

4h 42m1 stop Newark

3:00 pm - 7:12 pmBUF Buffalo-PWM Portland

4h 12m1 stop Washington, D.C. Dulles Intl

$339United Airlines

Wed, Dec 2 - Sat, Dec 5

6:00 am - 10:37 amPWM Portland-BUF Buffalo

4h 37m1 stop Newark

9:55 am - 2:33 pmBUF Buffalo-PWM Portland

4h 38m1 stop Washington, D.C. Dulles Intl

$339United Airlines

Sat, Jan 30 - Wed, Feb 3

5:30 am - 12:15 pmPWM Portland-BUF Buffalo

6h 45m1 stop Baltimore/Washington

10:55 am - 4:40 pmBUF Buffalo-PWM Portland

5h 45m1 stop Baltimore/Washington

$349Southwest

Wed, Mar 10 - Sun, Mar 14

5:50 am - 10:08 amPWM Portland-BUF Buffalo

4h 18m1 stop Newark

7:52 pm - 11:52 pmBUF Buffalo-PWM Portland

4h 00m1 stop Washington, D.C. Dulles Intl

$353United Airlines

Tue, Nov 24 - Mon, Nov 30

5:30 am - 5:25 pmPWM Portland-BUF Buffalo

11h 55m2 stops Baltimore/Washington Nashville Intl

10:55 am - 4:40 pmBUF Buffalo-PWM Portland

5h 45m1 stop Baltimore/Washington

$354Southwest

Wed, Mar 10 - Sun, Mar 14

6:47 pm - 10:44 pmPWM Portland-BUF Buffalo

3h 57m1 stop Philadelphia

5:28 am - 10:04 amBUF Buffalo-PWM Portland

4h 36m1 stop Washington, D.C. Reagan-National

$469American Airlines

Mon, Nov 16 - Thu, Nov 19

6:47 pm - 10:44 pmPWM Portland-BUF Buffalo

3h 57m1 stop Philadelphia

6:00 am - 10:38 amBUF Buffalo-PWM Portland

4h 38m1 stop Philadelphia

$469American Airlines

Mon, Nov 16 - Thu, Nov 19

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Southwest flights from Portland, Maine to Buffalo

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

Southwest

Feb 18

PWM5:25 amPortland

6h 15m

1 stop

BUF11:40 amBuffalo

Feb 21

BUF3:25 pmBuffalo

16h 40m

2 stops

PWM8:05 amPortland

$335

Southwest

Mar 10

PWM5:30 amPortland

6h 45m

1 stop

BUF12:15 pmBuffalo

Mar 14

BUF10:55 amBuffalo

5h 45m

1 stop

PWM4:40 pmPortland

$349

Southwest

Mar 10

PWM5:30 amPortland

11h 55m

2 stops

BUF5:25 pmBuffalo

Mar 14

BUF10:55 amBuffalo

5h 45m

1 stop

PWM4:40 pmPortland

$354

United Airlines flights from Portland, Maine to Buffalo

Our best United Airlines deals on Portland, Maine to Buffalo flight tickets

United Airlines

Dec 2

PWM6:00 amPortland

4h 42m

1 stop

BUF10:42 amBuffalo

Dec 5

BUF3:00 pmBuffalo

4h 12m

1 stop

PWM7:12 pmPortland

$339

United Airlines

Nov 24

PWM5:50 amPortland

4h 18m

1 stop

BUF10:08 amBuffalo

Nov 30

BUF7:52 pmBuffalo

4h 00m

1 stop

PWM11:52 pmPortland

$353

United Airlines

Nov 23

PWM5:35 amPortland

4h 33m

1 stop

BUF10:08 amBuffalo

Nov 30

BUF7:52 pmBuffalo

4h 00m

1 stop

PWM11:52 pmPortland

$355

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Mon 11/23

5:18 pm-10:53 pm

1 stop5h 35m

Buffalo

Mon 11/30

7:20 pm-12:19 am

1 stop4h 59m

$324

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Thu 2/18

11:40 am-5:53 pm

1 stop6h 13m

Buffalo

Sun 2/21

6:33 pm-11:19 pm

1 stop4h 46m

$324

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Thu 2/18

5:25 am-11:40 am

1 stop6h 15m

Buffalo

Sun 2/21

3:25 pm-8:05 am

2 stops16h 40m

$335

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Wed 12/2

6:00 am-10:42 am

1 stop4h 42m

Buffalo

Sat 12/5

3:00 pm-7:12 pm

1 stop4h 12m

$339

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Sat 1/30

6:00 am-10:37 am

1 stop4h 37m

Buffalo

Wed 2/3

9:55 am-2:33 pm

1 stop4h 38m

$339

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Wed 3/10

5:30 am-12:15 pm

1 stop6h 45m

Buffalo

Sun 3/14

10:55 am-4:40 pm

1 stop5h 45m

$349

Quickest round-trip

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Tue 11/24

5:50 am-10:08 am

1 stop4h 18m

Buffalo

Mon 11/30

7:52 pm-11:52 pm

1 stop4h 00m

$353

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Wed 3/10

5:30 am-5:25 pm

2 stops11h 55m

Buffalo

Sun 3/14

10:55 am-4:40 pm

1 stop5h 45m

$354

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Mon 11/16

6:47 pm-10:44 pm

1 stop3h 57m

Buffalo

Thu 11/19

5:28 am-10:04 am

1 stop4h 36m

$469

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Mon 11/16

6:47 pm-10:44 pm

1 stop3h 57m

Buffalo

Thu 11/19

6:00 am-10:38 am

1 stop4h 38m

$469

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 typical price of a round-trip flight between Portland, Maine and Buffalo?

Prices are currently typical for flights on this route.

Typical prices usually range from $177 to $363.
The lowest price recently found on this route was $324.

What is the cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of January, then book flights to Buffalo from Portland, Maine during November instead. Flights to Buffalo in November, while not as cheap as those in January, still average around $286.

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

Best Price Found	$125
Fastest flight time	4h 09m
Direct flights	None

The best one-way flight to Buffalo from Portland, Maine in the past 72 hours is $125. The best round-trip flight deal from Portland, Maine to Buffalo found on momondo in the last 72 hours is $324.

The fastest flight from Portland, Maine to Buffalo takes 4h 09m

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

Search flight deals

Frequently asked questions about flying from Portland, Maine to Buffalo

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 09m.
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 November 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 (31% of total bookings). The next most popular airlines are Delta (26%), United Airlines (25%), and Southwest (18%).

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
Delta	PriceFrom $139	Free Cancellation	Rating 7.8 8,698 reviews	Search Delta flights
United Airlines	PriceFrom $176	Free Cancellation	Rating 7.3 10,461 reviews	Search United Airlines flights
American Airlines	PriceFrom $232	Free Cancellation	Rating 7.0 12,231 reviews	Search American Airlines flights
Southwest	PriceFrom $242	Free Cancellation	Rating 8.0 4,212 reviews	Search Southwest flights

Batavia

Cheektowaga

Williamsville

Amherst

Tonawanda

Bowmansville

Lockport

Orchard Park

West Seneca

Grand Island

East Aurora

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.

An easier way to manage your Buffalo trip

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Cheap flights from Portland, Maine to Buffalo from $125

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Buffalo departing on 11/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Southwest flights from Portland, Maine to Buffalo

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

United Airlines flights from Portland, Maine to Buffalo

Our best United Airlines deals on Portland, Maine to Buffalo flight tickets

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

What is the typical price of a round-trip flight between Portland, Maine and Buffalo?

What is the cheapest month to fly to Buffalo?

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

What airlines fly to Buffalo?

When to book flights from Portland, Maine to Buffalo

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

Best Price Found

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Frequently asked questions about flying from Portland, Maine to Buffalo

Best airlines flying from Portland, Maine to Buffalo

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

Traveling to a place near Buffalo?

Why use momondo?

An easier way to manage your Buffalo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Buffalo

List of cabin classes available on flights landing in Buffalo. Availability may vary depending on flight origin and airline.

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