$105+ Cheap flights from Portland, ME to Buffalo (PWM - BUF)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BUF
Sep 17 — Sep 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 August 18, 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 August 18, 2026.
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:25 pm -
1 stop4h 25m
Wed 10/286:00 am -
1 stop4h 07m
Deal found 8/13![United Airlines logo]()
$234
This American Airlines deal was found by Cheapflights users on 8/17. 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 9/115:05 pm -
1 stop6h 49m
Mon 9/217:34 pm -
1 stop4h 02m
Deal found 8/17![American Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 8/15. 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 9/105:05 pm -
1 stop6h 49m
Fri 9/115:44 pm -
1 stop6h 01m
Deal found 8/15![American Airlines logo]()
$270
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:13 pm -
1 stop6h 23m
Wed 9/25:38 pm -
1 stop6h 09m
Deal found 8/13![American Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 8/17. 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 9/55:13 pm -
1 stop4h 43m
Fri 9/117:34 pm -
1 stop4h 02m
Deal found 8/17![American Airlines logo]()
$285
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Wed 9/97:30 am -
2 stops8h 51m
Fri 9/115:44 pm -
1 stop6h 01m
Deal found 8/16![American Airlines logo]()
$298
This American Airlines deal was found by Cheapflights users on 8/17. 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 9/115:05 pm -
1 stop6h 49m
Sun 9/206:27 am -
1 stop4h 49m
Deal found 8/17![American Airlines logo]()
$315
This American Airlines deal was found by Cheapflights users on 8/14. 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 12/123:25 pm -
1 stop6h 44m
Mon 12/147:00 am -
2 stops8h 33m
Deal found 8/14![American Airlines logo]()
$320
This Southwest deal was found by Cheapflights users on 8/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:55 am -
1 stop5h 15m
Mon 9/1412:30 pm -
2 stops10h 00m
Deal found 8/15![Southwest logo]()
$328
This Southwest deal was found by Cheapflights users on 8/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:30 am -
2 stops10h 25m
Fri 9/113:55 pm -
1 stop6h 35m
Deal found 8/15![Southwest logo]()
$334
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 August 18, 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 August 18, 2026.
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:25 pm -
1 stop4h 25m
Wed 10/286:00 am -
1 stop4h 07m
Deal found 8/13![United Airlines logo]()
$234
This American Airlines deal was found by Cheapflights users on 8/15. 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 9/115:05 pm -
1 stop6h 49m
Mon 9/146:00 am -
1 stop4h 17m
Deal found 8/15![American Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 8/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:55 am -
1 stop5h 15m
Sun 9/136:20 am -
1 stop4h 15m
Deal found 8/15![Southwest logo]()
$314
This Delta deal was found by Cheapflights users on 8/17. 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 9/22:53 pm -
1 stop4h 26m
Sat 9/57:59 pm -
1 stop5h 00m
Deal found 8/17![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 8/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:55 am -
1 stop5h 15m
Mon 9/1412:30 pm -
2 stops10h 00m
Deal found 8/15![Southwest logo]()
$328
This Delta deal was found by Cheapflights users on 8/17. 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 9/15:30 pm -
1 stop5h 59m
Sat 9/57:59 pm -
1 stop5h 00m
Deal found 8/17![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 8/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:40 am -
2 stops8h 55m
Sat 10/177:15 am -
2 stops12h 05m
Deal found 8/15![Southwest logo]()
$345
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Fri 9/47:35 pm -
1 stop4h 09m
Sat 9/57:33 pm -
1 stop3h 59m
Deal found 8/17![United Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 8/17. 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 9/510:30 am -
1 stop7h 10m
Fri 9/1111:25 am -
2 stops10h 10m
Deal found 8/17![Southwest logo]()
$370
Last-minute flights from Portland to BuffaloDiscover last-minute flight deals from Portland to Buffalo. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Buffalo. Data last updated August 18, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:13 pm -
1 stop6h 23m
Wed 9/25:38 pm -
1 stop6h 09m
Deal found 8/13![American Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 8/17. 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 9/15:30 pm -
1 stop5h 59m
Sat 9/57:59 pm -
1 stop5h 00m
Deal found 8/17![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 8/17. 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 9/55:13 pm -
1 stop4h 43m
Fri 9/117:34 pm -
1 stop4h 02m
Deal found 8/17![American Airlines logo]()
$285
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Wed 9/97:30 am -
2 stops8h 51m
Fri 9/115:44 pm -
1 stop6h 01m
Deal found 8/16![American Airlines logo]()
$298
This American Airlines deal was found by Cheapflights users on 8/15. 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 9/105:05 pm -
1 stop6h 49m
Fri 9/115:44 pm -
1 stop6h 01m
Deal found 8/15![American Airlines logo]()
$270
This Southwest deal was found by Cheapflights users on 8/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:30 am -
2 stops10h 25m
Fri 9/113:55 pm -
1 stop6h 35m
Deal found 8/15![Southwest logo]()
$334
This American Airlines deal was found by Cheapflights users on 8/17. 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 9/115:05 pm -
1 stop6h 49m
Mon 9/217:34 pm -
1 stop4h 02m
Deal found 8/17![American Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 8/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:55 am -
1 stop5h 15m
Sun 9/136:20 am -
1 stop4h 15m
Deal found 8/15![Southwest logo]()
$314
This American Airlines deal was found by Cheapflights users on 8/17. 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 9/115:05 pm -
1 stop6h 49m
Sun 9/206:27 am -
1 stop4h 49m
Deal found 8/17![American Airlines logo]()
$315
This Southwest deal was found by Cheapflights users on 8/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:55 am -
1 stop5h 15m
Mon 9/1412:30 pm -
2 stops10h 00m
Deal found 8/15![Southwest logo]()
$328
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 August 18, 2026.
Search for one-way flight options from Portland to Buffalo. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
This Southwest deal was found by Cheapflights users on 8/14. 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.
Fri 9/1110:30 am -
1 stop4h 20m
Deal found 8/14![Southwest logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am -
2 stops30h 50m
Deal found 8/13![Multiple Airlines logo]()
$157
This American Airlines deal was found by Cheapflights users on 8/15. 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.
Sun 10/116:00 am -
1 stop4h 18m
Deal found 8/15![American Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:53 pm -
3 stops25h 56m
Deal found 8/15![Multiple Airlines logo]()
$247
This American Airlines deal was found by Cheapflights users on 8/15. 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.
Mon 9/215:30 am -
1 stop4h 48m
Deal found 8/15![American Airlines logo]()
$250
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 8/257:28 am -
1 stop6h 58m
Deal found 8/18![American Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:00 am -
3 stops29h 59m
Deal found 8/15![Multiple Airlines logo]()
$321
This Expedia deal was found by Cheapflights users on 8/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:00 am -
2 stops14h 24m
Deal found 8/15![JetBlue logo]()
$327
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 August 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (American Airlines) |
One-way from | $105 (Southwest) |
Popular in | June |
Cheapest in | May |
Average price | $552 |
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 2,558,603 searches. Data last updated August 18, 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
Sat 10/24
7:25 pm-11:50 pm
1 stop4h 25m
Buffalo
Wed 10/28
6:00 am-10:07 am
1 stop4h 07m
$234
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Fri 9/11
5:05 pm-11:54 pm
1 stop6h 49m
Buffalo
Mon 9/14
6:00 am-10:17 am
1 stop4h 17m
$249
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Fri 9/11
5:55 am-11:10 am
1 stop5h 15m
Buffalo
Sun 9/13
6:20 am-10:35 am
1 stop4h 15m
$314
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Fri 9/11
5:55 am-11:10 am
1 stop5h 15m
Buffalo
Mon 9/14
12:30 pm-10:30 pm
2 stops10h 00m
$328
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Wed 9/2
2:53 pm-7:19 pm
1 stop4h 26m
Buffalo
Sat 9/5
7:59 pm-12:59 am
1 stop5h 00m
$339
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Tue 9/1
5:30 pm-11:29 pm
1 stop5h 59m
Buffalo
Sat 9/5
7:59 pm-12:59 am
1 stop5h 00m
$339
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Wed 10/14
5:40 am-2:35 pm
2 stops8h 55m
Buffalo
Sat 10/17
7:15 am-7:20 pm
2 stops12h 05m
$345
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Sat 9/5
10:30 am-5:40 pm
1 stop7h 10m
Buffalo
Fri 9/11
11:25 am-9:35 pm
2 stops10h 10m
$370
Quickest round-trip
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Fri 9/4
7:35 pm-11:44 pm
1 stop4h 09m
Buffalo
Sat 9/5
7:33 pm-11:32 pm
1 stop3h 59m
$409
Cheapest one-way
PortlandBuffalo
PWM Portland - BUF Buffalo
PWMBUF
Portland
Fri 9/11
10:30 am-2:50 pm
1 stop4h 20m
$105
Showing 1-10 of 15 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 August.
| 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
What is the cheapest month to book a flight from Portland, Maine to Buffalo?
Currently, May is the cheapest month in which you can book a flight from Portland, Maine to Buffalo (average of $236). 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 $467 and $590 in October.The cheapest round-trip price found within the last 5 days was $234 on United Airlines (Oct 24-Oct 28).
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 August 18, 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.
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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 locationsLockport
Cheektowaga
Amherst
Williamsville
Orchard Park
Eden
Bowmansville
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 August 18, 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
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Portland and Buffalo flights
Browse other Portland and Buffalo flight options. Last updated on August 18, 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 August 18, 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 2,558,603 searches. Data last updated August 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$283 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$176 | Average$478 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$196 | Average$298 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$242 | Average$458 | FlexibilityNo cancel fee | On-time63% |