$279+ Cheap flights from Portland, ME to Buffalo (PWM - BUF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BUF
Dec 13 — Dec 201
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Buffalo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Buffalo
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Cheapest flights from Portland to BuffaloExplore the most affordable flight options available from Portland to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2026.
Explore the most affordable flight options available from Portland to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2026.
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:12 am -
1 stop7h 17m
Thu 12/107:24 pm -
1 stop4h 57m
Deal found 11/11![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:00 am -
1 stop4h 43m
Sat 12/127:24 pm -
1 stop4h 57m
Deal found 11/12![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1010:25 am -
2 stops10h 30m
Sat 12/1210:10 am -
1 stop4h 35m
Deal found 11/12![Southwest logo]()
$294
This American Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:44 pm -
1 stop4h 10m
Sun 12/135:16 am -
1 stop4h 29m
Deal found 11/9![American Airlines logo]()
$304
This Southwest deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:15 am -
2 stops10h 00m
Wed 12/97:25 am -
1 stop4h 45m
Deal found 11/11![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:15 am -
2 stops10h 00m
Fri 12/116:00 am -
1 stop4h 30m
Deal found 11/11![Southwest logo]()
$314
This American Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:00 am -
1 stop4h 18m
Sat 12/127:42 am -
2 stops6h 35m
Deal found 11/12![American Airlines logo]()
$323
This Southwest deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:20 am -
2 stops9h 55m
Sat 12/1211:00 am -
2 stops10h 50m
Deal found 11/12![Southwest logo]()
$349
Best flights from Portland to BuffaloDiscover carefully curated flight deals from Portland to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 13, 2026.
Discover carefully curated flight deals from Portland to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 13, 2026.
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:00 am -
1 stop4h 43m
Sun 12/137:24 pm -
1 stop4h 57m
Deal found 11/9![Delta logo]()
$279
This United Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am -
1 stop4h 49m
Wed 12/910:00 am -
1 stop4h 37m
Deal found 11/11![United Airlines logo]()
$279
This American Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:44 pm -
1 stop4h 10m
Sat 12/125:33 pm -
1 stop5h 13m
Deal found 11/12![American Airlines logo]()
$289
This Southwest deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/285:30 am -
2 stops11h 55m
Sun 1/3110:50 am -
1 stop5h 55m
Deal found 11/10![Southwest logo]()
$314
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/136:17 am -
1 stop4h 26m
Tue 2/167:55 pm -
1 stop4h 00m
Deal found 11/9![Delta logo]()
$279
This American Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:44 pm -
1 stop4h 10m
Sun 12/135:16 am -
1 stop4h 29m
Deal found 11/9![American Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:00 am -
1 stop4h 43m
Tue 12/86:00 am -
1 stop5h 00m
Deal found 11/11![Delta logo]()
$279
This Southwest deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:15 am -
2 stops10h 00m
Sat 12/1211:00 am -
2 stops10h 50m
Deal found 11/12![Southwest logo]()
$319
This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:00 am -
1 stop4h 43m
Sun 12/137:24 pm -
1 stop4h 57m
Deal found 11/12![Delta logo]()
$289
Last-minute flights from Portland to BuffaloDiscover last-minute flight deals from Portland to Buffalo. Data last updated November 13, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Buffalo. Data last updated November 13, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:15 am -
2 stops10h 00m
Fri 12/116:00 am -
1 stop4h 30m
Deal found 11/11![Southwest logo]()
$314
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:12 am -
1 stop7h 17m
Mon 12/147:24 pm -
1 stop4h 57m
Deal found 11/11![Delta logo]()
$279
This Southwest deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:15 am -
2 stops10h 00m
Wed 12/97:25 am -
1 stop4h 45m
Deal found 11/11![Southwest logo]()
$309
This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:00 am -
1 stop4h 43m
Sat 12/127:24 pm -
1 stop4h 57m
Deal found 11/12![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1010:25 am -
2 stops10h 30m
Sat 12/1210:10 am -
1 stop4h 35m
Deal found 11/12![Southwest logo]()
$294
This American Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:44 pm -
1 stop4h 10m
Sun 12/135:16 am -
1 stop4h 29m
Deal found 11/9![American Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:00 am -
1 stop4h 18m
Sat 12/127:42 am -
2 stops6h 35m
Deal found 11/12![American Airlines logo]()
$323
This Southwest deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:20 am -
2 stops9h 55m
Sat 12/1211:00 am -
2 stops10h 50m
Deal found 11/12![Southwest logo]()
$349
One-way flights from Portland to BuffaloSearch for one-way flight options from Portland to Buffalo. Find affordable one-way fares based on user searches. Data last updated November 13, 2026.
Search for one-way flight options from Portland to Buffalo. Find affordable one-way fares based on user searches. Data last updated November 13, 2026.
This Southwest deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:10 pm -
1 stop6h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Southwest logo]()
$302
Find flight deals from Portland to Buffalo
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Buffalo (BUF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $279 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $421 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland 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, Cheapflights users made 7,457,451 searches. Data last updated November 13, 2026.
Use the filters below to find and compare flights from Portland to Buffalo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Fri 12/11
6:00 am-10:43 am
1 stop4h 43m
Buffalo
Sun 12/13
7:24 pm-12:21 am
1 stop4h 57m
$279
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Thu 12/3
6:00 am-10:49 am
1 stop4h 49m
Buffalo
Wed 12/9
10:00 am-2:37 pm
1 stop4h 37m
$279
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Sat 2/13
6:17 am-10:43 am
1 stop4h 26m
Buffalo
Tue 2/16
7:55 pm-11:55 pm
1 stop4h 00m
$279
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Fri 12/4
6:00 am-10:43 am
1 stop4h 43m
Buffalo
Tue 12/8
6:00 am-11:00 am
1 stop5h 00m
$279
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Fri 12/11
6:44 pm-10:54 pm
1 stop4h 10m
Buffalo
Sat 12/12
5:33 pm-10:46 pm
1 stop5h 13m
$289
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Thu 12/10
6:00 am-10:43 am
1 stop4h 43m
Buffalo
Sun 12/13
7:24 pm-12:21 am
1 stop4h 57m
$289
Quickest round-trip
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Fri 11/20
5:10 pm-11:50 pm
1 stop6h 40m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$302
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Fri 12/11
6:44 pm-10:54 pm
1 stop4h 10m
Buffalo
Sun 12/13
5:16 am-9:45 am
1 stop4h 29m
$304
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Thu 1/28
5:30 am-5:25 pm
2 stops11h 55m
Buffalo
Sun 1/31
10:50 am-4:45 pm
1 stop5h 55m
$314
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Thu 12/10
5:15 am-3:15 pm
2 stops10h 00m
Buffalo
Sat 12/12
11:00 am-9:50 pm
2 stops10h 50m
$319
Sorted by cheapest first
Compare providers for flights from Portland to Buffalo
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Buffalo in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland, Maine-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Buffalo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland, Maine-Buffalo flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Portland to Buffalo
Have a flexible travel schedule? Discover the best time to fly to Buffalo from Portland with our price prediction graph.
PWM-BUF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Buffalo
What is the cheapest month to book a flight from Portland, Maine to Buffalo?
Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Buffalo (average of $272). Flying from Portland, Maine to Buffalo in June is currently the most expensive (average of $590). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Portland, Maine to Buffalo?
Airfare is below average for this route at the moment.
Portland, Maine to Buffalo flights typically cost between $286 and $434 in December.The cheapest round-trip price found within the last 5 days was $279 on Delta (Dec 3-Dec 14).
Reviews of airlines servicing Buffalo
Get insights into the airlines that provide service to Buffalo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buffalo. Reviews last updated November 13, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Portland to Buffalo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Related info for your journey
Find useful and relevant information for your journey from Portland to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsCheektowaga
Lockport
Amherst
Williamsville
Orchard Park
Eden
Bowmansville
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Other flights to Buffalo
Explore flights to Buffalo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 13, 2026.
Complete your trip
Complete your trip to Buffalo by adding a car rental and/or hotel reservation to your travel itinerary.
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Portland and Buffalo flights
Browse other Portland and Buffalo flight options. Last updated on November 13, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on November 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Portland to Buffalo
Discover the top 4 airlines that operate flights from Portland to Buffalo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$286 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$196 | Average$552 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$232 | Average$358 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$242 | Average$587 | FlexibilityNo cancel fee | On-time63% |