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 58% 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.

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

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

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 December 2025, 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.

$119 Cheap Flights from Portland to Buffalo in 2025/26

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.

5:30 pm - 12:05 am

PWM

BUF

6h 35m1 stop

8:45 am - 2:55 pm

BUF

PWM

6h 10m1 stop

$278Southwest

dom., ene. 4 - mié., ene. 14

5:30 am - 2:45 pm

PWM

BUF

9h 15m2 stops

3:45 pm - 10:15 pm

BUF

PWM

6h 30m1 stop

$317Southwest

dom., ene. 4 - mié., ene. 14

7:01 pm - 11:33 pm

PWM

BUF

4h 32m1 stop

7:48 pm - 11:59 pm

BUF

PWM

4h 11m1 stop

$338United Airlines

mié., dic. 31 - dom., ene. 4

5:30 am - 9:46 am

PWM

BUF

4h 16m1 stop

7:48 pm - 11:59 pm

BUF

PWM

4h 11m1 stop

$393United Airlines

mar., dic. 30 - sáb., ene. 3

5:30 am - 2:45 pm

PWM

BUF

9h 15m2 stops

6:20 am - 2:55 pm

BUF

PWM

8h 35m2 stops

$423Southwest

dom., ene. 4 - mié., ene. 14

5:30 am - 2:20 pm

PWM

BUF

8h 50m1 stop

8:40 pm - 11:10 am

BUF

PWM

14h 30m2 stops

$435Southwest

jue., ene. 1 - dom., ene. 4

11:16 am - 8:40 pm

PWM

BUF

9h 24m1 stop

1:37 pm - 5:25 pm

BUF

PWM

27h 48m2 stops

$472Multiple Airlines

mié., dic. 31 - dom., ene. 4

5:30 am - 3:50 pm

PWM

BUF

10h 20m2 stops

8:40 pm - 11:10 am

BUF

PWM

14h 30m2 stops

$506Southwest

mié., dic. 31 - dom., ene. 4

5:30 am - 9:46 am

PWM

BUF

4h 16m1 stop

7:21 pm - 11:22 pm

BUF

PWM

4h 01m1 stop

$578United Airlines

lun., dic. 29 - vie., ene. 2

6:46 pm - 9:46 am

PWM

BUF

15h 00m2 stops

7:48 pm - 11:59 pm

BUF

PWM

4h 11m1 stop

$618United Airlines

mar., dic. 30 - sáb., ene. 3

Southwest flights from Portland, Maine to Buffalo

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

Southwest

Jan 4

PWM5:30 pmPortland

6h 35m

1 stop

BUF12:05 amBuffalo

Jan 14

BUF8:45 amBuffalo

6h 10m

1 stop

PWM2:55 pmPortland

$278

Find similar

Southwest

Jan 4

PWM5:30 amPortland

9h 15m

2 stops

BUF2:45 pmBuffalo

Jan 14

BUF3:45 pmBuffalo

6h 30m

1 stop

PWM10:15 pmPortland

$317

Find similar

Southwest

Jan 4

PWM5:30 amPortland

9h 15m

2 stops

BUF2:45 pmBuffalo

Jan 14

BUF6:20 amBuffalo

8h 35m

2 stops

PWM2:55 pmPortland

$423

Find similar

United Airlines flights from Portland, Maine to Buffalo

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

United Airlines

Dec 31

PWM7:01 pmPortland

4h 32m

1 stop

BUF11:33 pmBuffalo

Jan 4

BUF7:48 pmBuffalo

4h 11m

1 stop

PWM11:59 pmPortland

$338

Find similar

United Airlines

Dec 30

PWM5:30 amPortland

4h 16m

1 stop

BUF9:46 amBuffalo

Jan 3

BUF7:48 pmBuffalo

4h 11m

1 stop

PWM11:59 pmPortland

$393

Find similar

United Airlines

Dec 29

PWM5:30 amPortland

4h 16m

1 stop

BUF9:46 amBuffalo

Jan 2

BUF7:21 pmBuffalo

4h 01m

1 stop

PWM11:22 pmPortland

$578

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

dom. 1/4

5:30 pm-12:05 am

1 stop6h 35m

Buffalo

mié. 1/14

8:45 am-2:55 pm

1 stop6h 10m

$278

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

dom. 1/4

5:30 am-2:45 pm

2 stops9h 15m

Buffalo

mié. 1/14

3:45 pm-10:15 pm

1 stop6h 30m

$317

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

mié. 12/31

7:01 pm-11:33 pm

1 stop4h 32m

Buffalo

dom. 1/4

7:48 pm-11:59 pm

1 stop4h 11m

$338

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

mar. 12/30

5:30 am-9:46 am

1 stop4h 16m

Buffalo

sáb. 1/3

7:48 pm-11:59 pm

1 stop4h 11m

$393

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

dom. 1/4

5:30 am-2:45 pm

2 stops9h 15m

Buffalo

mié. 1/14

6:20 am-2:55 pm

2 stops8h 35m

$423

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

jue. 1/1

5:30 am-2:20 pm

1 stop8h 50m

Buffalo

dom. 1/4

8:40 pm-11:10 am

2 stops14h 30m

$435

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

mié. 12/31

11:16 am-8:40 pm

1 stop9h 24m

Buffalo

dom. 1/4

1:37 pm-5:25 pm

2 stops27h 48m

$472

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

mié. 12/31

5:30 am-3:50 pm

2 stops10h 20m

Buffalo

dom. 1/4

8:40 pm-11:10 am

2 stops14h 30m

$506

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

lun. 12/29

5:30 am-9:46 am

1 stop4h 16m

Buffalo

vie. 1/2

7:21 pm-11:22 pm

1 stop4h 01m

$578

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

mar. 12/30

6:46 pm-9:46 am

2 stops15h 00m

Buffalo

sáb. 1/3

7:48 pm-11:59 pm

1 stop4h 11m

$618

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 October instead. Flights to Buffalo in October, while not as cheap as those in November, still average around $252.

What is the cheapest day to depart on your flight to Buffalo?

Our data shows that Thursday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $236. Flights from Portland, Maine to Buffalo on a Sunday will generally be more expensive and average around $330. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Buffalo?

At noon is the cheapest time of day to fly from Portland, Maine to Buffalo when you can find flight prices for as low as $229. Flying to Buffalo at noon is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Buffalo, so prices are often more expensive at around $294 per ticket.

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 16m
Direct flights	None

The fastest flight from Portland, Maine to Buffalo takes 4h 16m

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 16m.
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 December 2025, 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 Southwest (32% of total bookings). The next most popular airlines are American Airlines (30%), Delta (27%), 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 11,051 reviews	Search American Airlines flights
Delta	PriceFrom $196	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
JetBlue	PriceFrom $203	Free Cancellation	Rating 7.2 2,895 reviews	Search JetBlue flights
Southwest	PriceFrom $238	Free Cancellation	Rating 7.9 4,249 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.