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Cheap flights from Portland, Maine to Buffalo from $107

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 5/28. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Portland, Maine to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:26 pm - 11:31 pm
PWM
-
BUF
6h 05m
1 stop
Delta Logo
7:59 pm - 12:46 am
BUF
-
PWM
4h 47m
1 stop
$213Delta
Tue, Apr 14 - Tue, Apr 21
Southwest Logo
12:45 pm - 7:45 pm
PWM
-
BUF
7h 00m
1 stop
Southwest Logo
2:55 pm - 12:05 am
BUF
-
PWM
9h 10m
1 stop
$218Southwest
Fri, May 29 - Sun, May 31
Southwest Logo
1:00 pm - 12:10 am
PWM
-
BUF
11h 10m
2 stops
Southwest Logo
12:35 pm - 11:40 pm
BUF
-
PWM
11h 05m
2 stops
$223Southwest
Thu, Jun 4 - Sat, Jun 6
United Airlines Logo
7:10 pm - 11:55 pm
PWM
-
BUF
4h 45m
1 stop
United Airlines Logo
6:10 am - 10:18 am
BUF
-
PWM
4h 08m
1 stop
$235United Airlines
Fri, May 8 - Sun, May 10
United Airlines Logo
7:16 pm - 11:59 pm
PWM
-
BUF
4h 43m
1 stop
United Airlines Logo
6:00 am - 10:07 am
BUF
-
PWM
4h 07m
1 stop
$254United Airlines
Fri, Jun 12 - Sun, Jun 14
United Airlines Logo
7:12 pm - 11:33 pm
PWM
-
BUF
4h 21m
1 stop
United Airlines Logo
6:09 am - 10:22 am
BUF
-
PWM
4h 13m
1 stop
$255United Airlines
Wed, Apr 15 - Sun, Apr 19
United Airlines Logo
7:12 pm - 11:33 pm
PWM
-
BUF
4h 21m
1 stop
United Airlines Logo
7:50 pm - 11:59 pm
BUF
-
PWM
4h 09m
1 stop
$266United Airlines
Wed, Apr 29 - Sat, May 2
United Airlines Logo
7:10 pm - 11:55 pm
PWM
-
BUF
4h 45m
1 stop
United Airlines Logo
6:10 am - 10:18 am
BUF
-
PWM
4h 08m
1 stop
$271United Airlines
Fri, May 1 - Sun, May 3
Southwest Logo
5:30 am - 6:10 pm
PWM
-
BUF
12h 40m
2 stops
Southwest Logo
2:55 pm - 12:05 am
BUF
-
PWM
9h 10m
1 stop
$272Southwest
Fri, May 29 - Sun, May 31
Delta Logo
6:03 am - 9:42 am
PWM
-
BUF
3h 39m
1 stop
Delta Logo
7:56 pm - 11:59 pm
BUF
-
PWM
4h 03m
1 stop
$282Delta
Thu, Apr 9 - Sun, Apr 12

United Airlines flights from Portland, Maine to Buffalo

Our best United Airlines deals on Portland, Maine to Buffalo flight tickets
United Airlines
Jun 12
PWM7:16 pmPortland
4h 43m
1 stop
BUF11:59 pmBuffalo
Jun 14
BUF6:00 amBuffalo
4h 07m
1 stop
PWM10:07 amPortland
$254
United Airlines
Apr 15
PWM7:12 pmPortland
4h 21m
1 stop
BUF11:33 pmBuffalo
Apr 19
BUF6:09 amBuffalo
4h 13m
1 stop
PWM10:22 amPortland
$255
United Airlines
Apr 29
PWM7:12 pmPortland
4h 21m
1 stop
BUF11:33 pmBuffalo
May 2
BUF7:50 pmBuffalo
4h 09m
1 stop
PWM11:59 pmPortland
$266

Delta flights from Portland, Maine to Buffalo

Our best Delta deals on Portland, Maine to Buffalo flight tickets
Delta
Apr 14
PWM5:26 pmPortland
6h 05m
1 stop
BUF11:31 pmBuffalo
Apr 21
BUF7:59 pmBuffalo
4h 47m
1 stop
PWM12:46 amPortland
$213
Delta
Apr 9
PWM6:03 amPortland
3h 39m
1 stop
BUF9:42 amBuffalo
Apr 12
BUF7:56 pmBuffalo
4h 03m
1 stop
PWM11:59 pmPortland
$282
Delta
Apr 15
PWM5:26 pmPortland
6h 05m
1 stop
BUF11:31 pmBuffalo
Apr 19
BUF6:00 amBuffalo
4h 52m
1 stop
PWM10:52 amPortland
$310

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 March 21, 2026.
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

Cheapest round-trip

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Tue 4/14

5:26 pm-11:31 pm

1 stop6h 05m

Buffalo

Tue 4/21

7:59 pm-12:46 am

1 stop4h 47m

$213

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Fri 5/29

12:45 pm-7:45 pm

1 stop7h 00m

Buffalo

Sun 5/31

2:55 pm-12:05 am

1 stop9h 10m

$218

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Thu 6/4

1:00 pm-12:10 am

2 stops11h 10m

Buffalo

Sat 6/6

12:35 pm-11:40 pm

2 stops11h 05m

$223

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Fri 5/8

7:10 pm-11:55 pm

1 stop4h 45m

Buffalo

Sun 5/10

6:10 am-10:18 am

1 stop4h 08m

$235

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Fri 6/12

7:16 pm-11:59 pm

1 stop4h 43m

Buffalo

Sun 6/14

6:00 am-10:07 am

1 stop4h 07m

$254

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Wed 4/15

7:12 pm-11:33 pm

1 stop4h 21m

Buffalo

Sun 4/19

6:09 am-10:22 am

1 stop4h 13m

$255

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Wed 4/29

7:12 pm-11:33 pm

1 stop4h 21m

Buffalo

Sat 5/2

7:50 pm-11:59 pm

1 stop4h 09m

$266

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Fri 5/1

7:10 pm-11:55 pm

1 stop4h 45m

Buffalo

Sun 5/3

6:10 am-10:18 am

1 stop4h 08m

$271

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Fri 5/29

5:30 am-6:10 pm

2 stops12h 40m

Buffalo

Sun 5/31

2:55 pm-12:05 am

1 stop9h 10m

$272
Quickest round-trip

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Thu 4/9

6:03 am-9:42 am

1 stop3h 39m

Buffalo

Sun 4/12

7:56 pm-11:59 pm

1 stop4h 03m

$282

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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.

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 18m

Direct flights

None
The fastest flight from Portland, Maine to Buffalo takes 4h 18m
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 18m.

  • 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
American AirlinesPriceFrom $196Free CancellationRating
7.1
11,488 reviews
Search American Airlines flights
DeltaPriceFrom $196Free CancellationRating
7.9
8,313 reviews
Search Delta flights
SouthwestPriceFrom $238Free CancellationRating
8.0
4,325 reviews
Search Southwest flights

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Cheektowaga
Amherst
Grand Island
Tonawanda
Orchard Park
Williamsville
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.

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.
Start using Trips
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