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Cheap flights from Portland, Maine to Buffalo from $111

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 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland, Maine to Buffalo (PWM-BUF)

Cheap round-trip flights

United Airlines Logo
6:14 am - 1:22 pmPWM-BUF
7h 08m1 stop
United Airlines Logo
7:05 am - 2:26 pmBUF-PWM
7h 21m1 stop
$257United Airlines
Find Deal
vie., ago. 29 - lun., sep. 1
Delta Logo
6:33 pm - 10:59 pmPWM-BUF
4h 26m1 stop
Delta Logo
8:11 pm - 12:48 amBUF-PWM
4h 37m1 stop
$272Delta
Find Deal
jue., ago. 28 - vie., ago. 29
United Airlines Logo
6:00 am - 10:00 amPWM-BUF
4h 00m1 stop
United Airlines Logo
6:00 am - 10:09 amBUF-PWM
4h 09m1 stop
$281United Airlines
Find Deal
mié., ago. 20 - dom., ago. 24
Southwest Logo
5:25 pm - 11:40 pmPWM-BUF
6h 15m1 stop
Southwest Logo
5:45 am - 11:10 amBUF-PWM
5h 25m1 stop
$284Southwest
Find Deal
vie., nov. 21 - dom., nov. 23
Southwest Logo
5:30 am - 5:10 pmPWM-BUF
11h 40m2 stops
Southwest Logo
5:45 am - 11:10 amBUF-PWM
5h 25m1 stop
$289Southwest
Find Deal
vie., nov. 21 - dom., nov. 23
Southwest Logo
2:00 pm - 11:30 pmPWM-BUF
9h 30m2 stops
Southwest Logo
5:50 am - 9:50 amBUF-PWM
4h 00m1 stop
$354Southwest
Find Deal
jue., ago. 28 - vie., ago. 29
Southwest Logo
5:30 am - 5:10 pmPWM-BUF
11h 40m2 stops
Southwest Logo
6:00 am - 12:20 amBUF-PWM
18h 20m2 stops
$368Southwest
Find Deal
vie., nov. 21 - dom., nov. 23
American Airlines Logo
4:05 pm - 11:00 pmPWM-BUF
6h 55m1 stop
American Airlines Logo
6:59 pm - 10:59 pmBUF-PWM
4h 00m1 stop
$371American Airlines
Find Deal
vie., ago. 15 - lun., ago. 18
United Airlines Logo
7:26 pm - 1:22 pmPWM-BUF
17h 56m2 stops
United Airlines Logo
7:05 am - 2:26 pmBUF-PWM
7h 21m1 stop
$379United Airlines
Find Deal
vie., ago. 29 - lun., sep. 1
Southwest Logo
5:50 am - 12:00 pmPWM-BUF
6h 10m1 stop
Southwest Logo
5:50 am - 9:50 amBUF-PWM
4h 00m1 stop
$400Southwest
Find Deal
mar., ago. 19 - jue., ago. 21

Delta flights from Portland, Maine to Buffalo

Our best Delta deals on Portland, Maine to Buffalo flight tickets
Delta
Aug 28
PWM6:33 pmPortland
4h 26m
1 stop
BUF10:59 pmBuffalo
Aug 29
BUF8:11 pmBuffalo
4h 37m
1 stop
PWM12:48 amPortland
$272
Find similar
Delta
Aug 13
PWM6:31 amPortland
4h 24m
1 stop
BUF10:55 amBuffalo
Aug 16
BUF7:59 pmBuffalo
4h 49m
1 stop
PWM12:48 amPortland
$371
Find similar

Southwest flights from Portland, Maine to Buffalo

Our best Southwest deals on Portland, Maine to Buffalo flight tickets
Southwest
Nov 21
PWM5:25 pmPortland
6h 15m
1 stop
BUF11:40 pmBuffalo
Nov 23
BUF5:45 amBuffalo
5h 25m
1 stop
PWM11:10 amPortland
$284
Find similar
Southwest
Nov 21
PWM5:30 amPortland
11h 40m
2 stops
BUF5:10 pmBuffalo
Nov 23
BUF5:45 amBuffalo
5h 25m
1 stop
PWM11:10 amPortland
$289
Find similar
Southwest
Aug 28
PWM2:00 pmPortland
9h 30m
2 stops
BUF11:30 pmBuffalo
Aug 29
BUF5:50 amBuffalo
4h 00m
1 stop
PWM9:50 amPortland
$354
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to Buffalo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated agosto 5, 2025.
Use the filters below to find and compare flights from Portland, Maine to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

vie. 8/29

6:14 am-1:22 pm

1 stop7h 08m

Buffalo

lun. 9/1

7:05 am-2:26 pm

1 stop7h 21m

$257

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

jue. 8/28

6:33 pm-10:59 pm

1 stop4h 26m

Buffalo

vie. 8/29

8:11 pm-12:48 am

1 stop4h 37m

$272

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

mié. 8/20

6:00 am-10:00 am

1 stop4h 00m

Buffalo

dom. 8/24

6:00 am-10:09 am

1 stop4h 09m

$281

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

vie. 11/21

5:25 pm-11:40 pm

1 stop6h 15m

Buffalo

dom. 11/23

5:45 am-11:10 am

1 stop5h 25m

$284

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

vie. 11/21

5:30 am-5:10 pm

2 stops11h 40m

Buffalo

dom. 11/23

5:45 am-11:10 am

1 stop5h 25m

$289

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

jue. 8/28

2:00 pm-11:30 pm

2 stops9h 30m

Buffalo

vie. 8/29

5:50 am-9:50 am

1 stop4h 00m

$354

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

vie. 11/21

5:30 am-5:10 pm

2 stops11h 40m

Buffalo

dom. 11/23

6:00 am-12:20 am

2 stops18h 20m

$368

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

vie. 8/15

4:05 pm-11:00 pm

1 stop6h 55m

Buffalo

lun. 8/18

6:59 pm-10:59 pm

1 stop4h 00m

$371

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

vie. 8/29

7:26 pm-1:22 pm

2 stops17h 56m

Buffalo

lun. 9/1

7:05 am-2:26 pm

1 stop7h 21m

$379

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

mar. 8/19

5:50 am-12:00 pm

1 stop6h 10m

Buffalo

jue. 8/21

5:50 am-9:50 am

1 stop4h 00m

$400

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buffalo from

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

What is the cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of September, then book flights to Buffalo from Portland, Maine during October instead. Flights to Buffalo in October, while not as cheap as those in September, still average around $291.

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

Our data shows that Tuesday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $272. Flights from Portland, Maine to Buffalo on a Monday will generally be more expensive and average around $440. 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?

In the afternoon is the cheapest time of day to fly from Portland, Maine to Buffalo when you can find flight prices for as low as $308. Flying to Buffalo in the afternoon is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Buffalo, so prices are often more expensive at around $448 per ticket.

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

As of August 2025, prices for Portland, Maine to Buffalo flights are approximately 0% more expensive when compared to flights at the same time last year.

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

$111

Fastest flight time

3h 55m

Direct flights

None

Airports in Buffalo

1 airport
The best one-way flight to Buffalo from Portland, Maine in the past 72 hours is $111. The best round-trip flight deal from Portland, Maine to Buffalo found on momondo in the last 72 hours is $257.
The fastest flight from Portland, Maine to Buffalo takes 3h 55m
There are no direct flights from Portland, Maine to Buffalo. Popular non-direct route for this connection is Portland Airport - Buffalo Airport.
There is 1 airport near Buffalo: Buffalo (BUF)
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 00m.

  • 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?

  • 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?

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
JetBluePriceFrom $169Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
American AirlinesPriceFrom $176Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $196Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
DeltaPriceFrom $196Free CancellationRating
8.0
7,985 reviews
Search Delta flights
SouthwestPriceFrom $248Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Williamsville
Amherst
Tonawanda
Cheektowaga
Grand Island
Lockport
Orchard Park
West Seneca
East Aurora
Bowmansville
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.

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.
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