$85+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BUF
Oct 17 — Oct 241
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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Best
Last-minute
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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 September 17, 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 September 17, 2026.
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/315:30 am -
1 stop4h 48m
Sat 10/316:33 pm -
1 stop4h 11m
Deal found 9/14![American Airlines logo]()
$187
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 10/264:27 pm -
1 stop5h 57m
Tue 10/2711:13 am -
1 stop5h 44m
Deal found 9/16![American Airlines logo]()
$199
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 11/26:47 pm -
1 stop3h 57m
Wed 11/45:13 am -
1 stop5h 11m
Deal found 9/16![American Airlines logo]()
$221
This Southwest deal was found by Cheapflights users on 9/14. 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.
Tue 12/155:15 am -
1 stop6h 50m
Tue 12/226:05 am -
1 stop3h 45m
Deal found 9/14![Southwest logo]()
$239
This Delta deal was found by Cheapflights users on 9/13. 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.
Tue 11/36:03 am -
1 stop4h 35m
Fri 11/67:23 pm -
1 stop4h 47m
Deal found 9/13![Delta logo]()
$249
This Delta deal was found by Cheapflights users on 9/13. 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 11/65:28 pm -
1 stop5h 32m
Mon 11/97:20 pm -
1 stop4h 59m
Deal found 9/13![Delta logo]()
$259
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 10/35:06 pm -
1 stop4h 51m
Tue 10/611:13 am -
1 stop5h 44m
Deal found 9/12![American Airlines logo]()
$260
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 10/35:06 pm -
1 stop4h 51m
Mon 10/57:35 pm -
1 stop4h 01m
Deal found 9/12![American Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 9/16. 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.
Mon 10/265:20 am -
1 stop6h 40m
Tue 10/272:00 pm -
2 stops8h 40m
Deal found 9/16![Southwest logo]()
$269
This Delta deal was found by Cheapflights users on 9/13. 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 11/56:03 am -
1 stop4h 35m
Fri 11/67:23 pm -
1 stop4h 47m
Deal found 9/13![Delta logo]()
$279
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 September 17, 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 September 17, 2026.
This Delta deal was found by Cheapflights users on 9/15. 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 10/306:03 am -
1 stop4h 35m
Mon 11/27:49 pm -
1 stop4h 21m
Deal found 9/15![Delta logo]()
$199
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 10/35:06 pm -
1 stop4h 51m
Tue 10/611:13 am -
1 stop5h 44m
Deal found 9/12![American Airlines logo]()
$260
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 1/303:15 pm -
1 stop6h 02m
Wed 2/310:20 am -
1 stop4h 14m
Deal found 9/14![United Airlines logo]()
$278
This Southwest deal was found by Cheapflights users on 9/16. 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.
Mon 11/25:20 am -
2 stops9h 55m
Wed 11/47:25 am -
1 stop4h 45m
Deal found 9/16![Southwest logo]()
$288
This Delta deal was found by Cheapflights users on 9/13. 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.
Wed 11/46:28 am -
1 stop7h 01m
Thu 11/57:23 pm -
1 stop4h 47m
Deal found 9/13![Delta logo]()
$249
This Delta deal was found by Cheapflights users on 9/13. 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 1/85:59 pm -
1 stop4h 59m
Sun 1/107:00 am -
1 stop6h 53m
Deal found 9/13![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 9/16. 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.
Mon 10/265:20 am -
2 stops10h 30m
Tue 10/276:15 am -
2 stops11h 05m
Deal found 9/16![Southwest logo]()
$299
This Delta deal was found by Cheapflights users on 9/13. 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 11/75:00 pm -
1 stop3h 48m
Sun 11/86:00 am -
1 stop4h 40m
Deal found 9/13![Delta logo]()
$249
This Delta deal was found by Cheapflights users on 9/13. 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 11/56:03 am -
1 stop4h 35m
Sat 11/76:00 am -
1 stop6h 03m
Deal found 9/13![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 9/13. 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.
Sun 12/135:19 pm -
1 stop5h 37m
Thu 12/176:00 am -
1 stop5h 00m
Deal found 9/13![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 9/13. 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 11/56:03 am -
1 stop4h 35m
Sun 11/86:00 am -
1 stop4h 40m
Deal found 9/13![Delta logo]()
$279
Last-minute flights from Portland to BuffaloDiscover last-minute flight deals from Portland to Buffalo. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Buffalo. Data last updated September 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/15:05 pm -
1 stop7h 02m
Tue 10/67:35 pm -
1 stop4h 01m
Deal found 9/15![American Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 9/13. 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 10/16:02 am -
1 stop4h 24m
Sun 10/46:00 am -
1 stop4h 55m
Deal found 9/13![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/15:30 am -
1 stop4h 48m
Mon 10/57:35 pm -
1 stop4h 01m
Deal found 9/16![American Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 10/35:06 pm -
1 stop4h 51m
Tue 10/611:13 am -
1 stop5h 44m
Deal found 9/12![American Airlines logo]()
$260
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 10/35:06 pm -
1 stop4h 51m
Mon 10/57:35 pm -
1 stop4h 01m
Deal found 9/12![American Airlines logo]()
$261
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 10/264:27 pm -
1 stop5h 57m
Tue 10/2711:13 am -
1 stop5h 44m
Deal found 9/16![American Airlines logo]()
$199
This Southwest deal was found by Cheapflights users on 9/16. 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.
Mon 10/265:20 am -
1 stop6h 40m
Tue 10/272:00 pm -
2 stops8h 40m
Deal found 9/16![Southwest logo]()
$269
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/3011:28 am -
1 stop5h 24m
Mon 11/27:00 am -
2 stops8h 33m
Deal found 9/15![American Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/315:30 am -
1 stop4h 48m
Sat 10/316:33 pm -
1 stop4h 11m
Deal found 9/14![American Airlines logo]()
$187
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 September 17, 2026.
Search for one-way flight options from Portland to Buffalo. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 10/246:55 pm -
1 stop4h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$85
This Delta deal was found by Cheapflights users on 9/16. 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 11/146:00 am -
1 stop4h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Delta logo]()
$89
This Southwest deal was found by Cheapflights users on 9/16. 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 11/115:15 am -
2 stops10h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$105
This Southwest deal was found by Cheapflights users on 9/16. 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.
Sat 10/245:35 am -
2 stops7h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$123
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 10/264:27 pm -
1 stop5h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$125
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 11/226:00 am -
1 stop4h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$139
This Southwest deal was found by Cheapflights users on 9/16. 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.
Sat 11/145:25 am -
2 stops10h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$155
This Southwest deal was found by Cheapflights users on 9/16. 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.
Sun 11/225:20 am -
2 stops9h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$185
This Delta deal was found by Cheapflights users on 9/13. 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.
Sun 10/116:28 am -
1 stop7h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Delta logo]()
$190
This Southwest deal was found by Cheapflights users on 9/16. 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.
Mon 10/265:20 am -
2 stops10h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$210
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:00 am -
1 stop3h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![United Airlines logo]()
$215
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 10/194:27 pm -
1 stop5h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$253
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $187 (American Airlines) |
One-way from | $85 (United Airlines) |
Popular in | June |
Cheapest in | November |
Average price | $286 |
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 September 17, 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
Wed 11/11
3:25 pm-10:00 pm
1 stop6h 35m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$85
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Sat 11/14
6:00 am-10:35 am
1 stop4h 35m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Sat 10/24
5:35 am-1:00 pm
2 stops7h 25m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$123
Quickest round-trip
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Sun 11/22
6:00 am-10:10 am
1 stop4h 10m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Sat 11/14
5:25 am-4:00 pm
2 stops10h 35m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$155
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Sun 11/22
5:20 am-3:15 pm
2 stops9h 55m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$185
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Sun 10/11
6:28 am-1:29 pm
1 stop7h 01m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$190
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Fri 10/30
6:03 am-10:38 am
1 stop4h 35m
Buffalo
Mon 11/2
7:49 pm-12:10 am
1 stop4h 21m
$199
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Wed 11/4
6:28 am-1:29 pm
1 stop7h 01m
Buffalo
Thu 11/5
7:23 pm-12:10 am
1 stop4h 47m
$249
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Fri 1/8
5:59 pm-10:58 pm
1 stop4h 59m
Buffalo
Sun 1/10
7:00 am-1:53 pm
1 stop6h 53m
$249
Showing 1-10 of 23 resultsSorted 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 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
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 September 17, 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.
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
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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Alternative routes for Portland to Buffalo
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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 September 17, 2026.
Complete your trip
Complete your trip to Buffalo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Buffalo by cabin class
Find flights from Portland to Buffalo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Buffalo flights
Browse other Portland and Buffalo flight options. Last updated on September 17, 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 September 17, 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 September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$283 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$176 | Average$494 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$232 | Average$330 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$242 | Average$532 | FlexibilityNo cancel fee | On-time63% |