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Cheap flights from Portland, Maine to Buffalo from $131

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 9/17. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland, Maine to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:28 pm - 10:59 pmPWM  Portland-BUF Buffalo
5h 31m1 stop New York LaGuardia
Delta Logo
7:50 pm - 12:10 amBUF  Buffalo-PWM Portland
4h 20m1 stop New York John F Kennedy Intl
$249Delta
Fri, Oct 30 - Mon, Nov 2
Delta Logo
5:28 pm - 10:59 pmPWM  Portland-BUF Buffalo
5h 31m1 stop New York LaGuardia
Delta Logo
7:50 pm - 12:10 amBUF  Buffalo-PWM Portland
4h 20m1 stop New York John F Kennedy Intl
$249Delta
Wed, Nov 4 - Sat, Nov 7
American Airlines Logo
6:00 am - 11:18 amPWM  Portland-BUF Buffalo
5h 18m1 stop Washington, D.C. Reagan-National
American Airlines Logo
4:31 pm - 10:13 pmBUF  Buffalo-PWM Portland
5h 42m1 stop Charlotte Douglas
$249American Airlines
Tue, Sep 22 - Wed, Sep 23
American Airlines Logo
4:41 pm - 9:30 pmPWM  Portland-BUF Buffalo
4h 49m1 stop New York LaGuardia
American Airlines Logo
7:35 pm - 11:41 pmBUF  Buffalo-PWM Portland
4h 06m1 stop Philadelphia
$249American Airlines
Fri, Oct 2 - Mon, Oct 5
JetBlue Logo
2:40 pm - 6:59 pmPWM  Portland-BUF Buffalo
4h 19m1 stop New York John F Kennedy Intl
JetBlue Logo
7:50 pm - 11:54 pmBUF  Buffalo-PWM Portland
4h 04m1 stop New York John F Kennedy Intl
$259JetBlue
Thu, Sep 3 - Thu, Sep 10
JetBlue Logo
1:20 pm - 6:49 pmPWM  Portland-BUF Buffalo
5h 29m1 stop New York John F Kennedy Intl
JetBlue Logo
6:55 am - 1:45 pmBUF  Buffalo-PWM Portland
6h 50m1 stop New York John F Kennedy Intl
$261JetBlue
Tue, Sep 1 - Sat, Sep 5
Southwest Logo
1:05 pm - 10:45 pmPWM  Portland-BUF Buffalo
9h 40m2 stops Baltimore/Washington Orlando
Southwest Logo
5:40 am - 10:55 amBUF  Buffalo-PWM Portland
5h 15m1 stop Baltimore/Washington
$264Southwest
Thu, Sep 10 - Thu, Sep 17
Southwest Logo
5:55 am - 11:10 amPWM  Portland-BUF Buffalo
5h 15m1 stop Baltimore/Washington
Southwest Logo
5:40 am - 10:55 amBUF  Buffalo-PWM Portland
5h 15m1 stop Baltimore/Washington
$273Southwest
Thu, Sep 10 - Thu, Sep 17
United Airlines Logo
3:45 pm - 11:12 pmPWM  Portland-BUF Buffalo
7h 27m1 stop Newark
United Airlines Logo
6:55 am - 7:18 pmBUF  Buffalo-PWM Portland
12h 23m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
$470United Airlines
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
5:15 am - 9:48 amPWM  Portland-BUF Buffalo
4h 33m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
7:59 pm - 11:59 pmBUF  Buffalo-PWM Portland
4h 00m1 stop Washington, D.C. Dulles Intl
$499United Airlines
Thu, Aug 20 - Mon, Aug 24

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American Airlines flights from Portland, Maine to Buffalo

Our best American Airlines deals on Portland, Maine to Buffalo flight tickets
American Airlines
Sep 4
PWM1:30 pmPortland
3h 59m
1 stop
BUF5:29 pmBuffalo
Sep 7
BUF6:14 amBuffalo
6h 26m
1 stop
PWM12:40 pmPortland
$249
American Airlines
Sep 12
PWM7:32 amPortland
7h 52m
2 stops
BUF3:24 pmBuffalo
Sep 14
BUF7:34 pmBuffalo
4h 02m
1 stop
PWM11:36 pmPortland
$254
American Airlines
Sep 3
PWM1:30 pmPortland
3h 59m
1 stop
BUF5:29 pmBuffalo
Sep 10
BUF5:58 pmBuffalo
5h 47m
2 stops
PWM11:45 pmPortland
$268

Southwest flights from Portland, Maine to Buffalo

Our best Southwest deals on Portland, Maine to Buffalo flight tickets
Southwest
Sep 10
PWM1:05 pmPortland
9h 40m
2 stops
BUF10:45 pmBuffalo
Sep 17
BUF5:40 amBuffalo
5h 15m
1 stop
PWM10:55 amPortland
$264
Southwest
Sep 10
PWM5:55 amPortland
5h 15m
1 stop
BUF11:10 amBuffalo
Sep 17
BUF5:40 amBuffalo
5h 15m
1 stop
PWM10:55 amPortland
$273
Southwest
Oct 7
PWM5:40 amPortland
10h 05m
2 stops
BUF3:45 pmBuffalo
Oct 13
BUF4:25 pmBuffalo
4h 05m
1 stop
PWM8:30 pmPortland
$295

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 August 7, 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 Portland - BUF Buffalo

PWMBUF

Portland

Fri 10/30

5:28 pm-10:59 pm

1 stop5h 31m

Buffalo

Mon 11/2

7:50 pm-12:10 am

1 stop4h 20m

$249

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Wed 11/4

5:28 pm-10:59 pm

1 stop5h 31m

Buffalo

Sat 11/7

7:50 pm-12:10 am

1 stop4h 20m

$249

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Tue 9/22

6:00 am-11:18 am

1 stop5h 18m

Buffalo

Wed 9/23

4:31 pm-10:13 pm

1 stop5h 42m

$249

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Fri 10/2

4:41 pm-9:30 pm

1 stop4h 49m

Buffalo

Mon 10/5

7:35 pm-11:41 pm

1 stop4h 06m

$249
Quickest round-trip

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Thu 9/3

2:40 pm-6:59 pm

1 stop4h 19m

Buffalo

Thu 9/10

7:50 pm-11:54 pm

1 stop4h 04m

$259

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Tue 9/1

1:20 pm-6:49 pm

1 stop5h 29m

Buffalo

Sat 9/5

6:55 am-1:45 pm

1 stop6h 50m

$261

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Thu 9/10

1:05 pm-10:45 pm

2 stops9h 40m

Buffalo

Thu 9/17

5:40 am-10:55 am

1 stop5h 15m

$264

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Thu 9/10

5:55 am-11:10 am

1 stop5h 15m

Buffalo

Thu 9/17

5:40 am-10:55 am

1 stop5h 15m

$273

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Tue 9/1

3:45 pm-11:12 pm

1 stop7h 27m

Buffalo

Sat 9/5

6:55 am-7:18 pm

2 stops12h 23m

$470

PortlandBuffalo

PWM Portland - BUF Buffalo

PWMBUF

Portland

Thu 8/20

5:15 am-9:48 am

1 stop4h 33m

Buffalo

Mon 8/24

7:59 pm-11:59 pm

1 stop4h 00m

$499

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 May, then book flights to Buffalo from Portland, Maine during November instead. Flights to Buffalo in November, while not as cheap as those in May, still average around $241.

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 15m

Direct flights

None
The fastest flight from Portland, Maine to Buffalo takes 4h 15m
There are no direct flights from Portland, Maine to Buffalo. There are no popular flight routes from Portland, Maine to Buffalo.
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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 15m.

  • 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
DeltaPriceFrom $139Free CancellationRating
7.8
8,499 reviews
Search Delta flights
United AirlinesPriceFrom $176Free CancellationRating
7.4
10,081 reviews
Search United Airlines flights
American AirlinesPriceFrom $232Free CancellationRating
7.1
11,874 reviews
Search American Airlines flights
SouthwestPriceFrom $242Free CancellationRating
8.0
4,216 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
Tonawanda
Williamsville
Orchard Park
Grand Island
Bowmansville
West Seneca
Lockport
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

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