$206+ Cheap flights from Portland to Buffalo (PDX - 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BUF
Jun 23 — Jun 301
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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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 May 24, 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 May 24, 2026.
This Southwest deal was found by Cheapflights users on 5/22. 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 11/95:10 am
PDX
- BUF
1 stop8h 05m
Southwest
Wed 11/118:05 am
BUF
- PDX
1 stop7h 30m
Southwest
Deal found 5/22![Southwest logo]()
$408
This American Airlines deal was found by Cheapflights users on 5/20. 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 7/11:45 pm
PDX
- BUF
1 stop7h 53m
American Airlines
Wed 7/85:20 am
BUF
- PDX
1 stop9h 13m
American Airlines
Deal found 5/20![American Airlines logo]()
$411
This Southwest deal was found by Cheapflights users on 5/21. 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 7/77:40 pm
PDX
- BUF
2 stops9h 20m
Southwest
Tue 7/147:10 pm
BUF
- PDX
1 stop7h 20m
Southwest
Deal found 5/21![Southwest logo]()
$416
This American Airlines deal was found by Cheapflights users on 5/21. 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 9/151:31 pm
PDX
- BUF
1 stop6h 32m
American Airlines
Sat 9/196:05 am
BUF
- PDX
1 stop8h 27m
American Airlines
Deal found 5/21![American Airlines logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 6/1912:26 pm
PDX
- BUF
2 stops43h 14m
Multiple Airlines
Fri 6/2612:20 pm
BUF
- PDX
1 stop13h 23m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$435
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 May 24, 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 May 24, 2026.
This Southwest deal was found by Cheapflights users on 5/20. 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 7/229:20 pm
PDX
- BUF
1 stop7h 50m
Southwest
Mon 7/277:55 pm
BUF
- PDX
1 stop7h 00m
Southwest
Deal found 5/20![Southwest logo]()
$444
This Delta deal was found by Cheapflights users on 5/24. 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 9/1710:00 pm
PDX
- BUF
1 stop9h 26m
Delta
Mon 9/216:05 am
BUF
- PDX
2 stops9h 42m
Delta
Deal found 5/24![Delta logo]()
$448
This United Airlines deal was found by Cheapflights users on 5/24. 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.
Tue 10/2710:56 pm
PDX
- BUF
1 stop8h 30m
United Airlines
Sat 10/317:00 am
BUF
- PDX
1 stop7h 35m
United Airlines
Deal found 5/24![United Airlines logo]()
$537
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:03 am
PDX
- BUF
2 stops13h 23m
Alaska Airlines
Sat 10/3111:46 am
BUF
- PDX
1 stop8h 08m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$542
This Southwest deal was found by Cheapflights users on 5/24. 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 7/2111:30 pm
PDX
- BUF
1 stop7h 55m
Southwest
Sat 7/256:45 pm
BUF
- PDX
1 stop7h 05m
Southwest
Deal found 5/24![Southwest logo]()
$444
This Delta deal was found by Cheapflights users on 5/21. 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 11/79:45 pm
PDX
- BUF
2 stops14h 27m
Delta
Sun 11/157:35 pm
BUF
- PDX
1 stop7h 12m
Delta
Deal found 5/21![Delta logo]()
$465
This Southwest deal was found by Cheapflights users on 5/22. 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 8/311:30 pm
PDX
- BUF
1 stop8h 50m
Southwest
Fri 8/77:10 pm
BUF
- PDX
1 stop6h 55m
Southwest
Deal found 5/22![Southwest logo]()
$477
This Delta deal was found by Cheapflights users on 5/23. 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 7/107:20 pm
PDX
- BUF
2 stops9h 54m
Delta
Sun 7/127:36 pm
BUF
- PDX
1 stop6h 42m
Delta
Deal found 5/23![Delta logo]()
$482
This Southwest deal was found by Cheapflights users on 5/20. 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 6/1211:30 pm
PDX
- BUF
1 stop7h 50m
Southwest
Mon 6/154:40 pm
BUF
- PDX
2 stops10h 50m
Southwest
Deal found 5/20![Southwest logo]()
$542
This Delta deal was found by Cheapflights users on 5/20. 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 6/125:50 pm
PDX
- BUF
2 stops12h 53m
Delta
Sun 6/147:45 pm
BUF
- PDX
1 stop6h 33m
Delta
Deal found 5/20![Delta logo]()
$542
Last-minute flights from Portland to BuffaloDiscover last-minute flight deals from Portland to Buffalo. Data last updated May 24, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Buffalo. Data last updated May 24, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/22. 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 6/1612:34 pm
PDX
- BUF
1 stop8h 20m
American Airlines
Tue 6/236:00 am
BUF
- PDX
1 stop7h 25m
American Airlines
Deal found 5/22![American Airlines logo]()
$492
This American Airlines deal was found by Cheapflights users on 5/21. 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 6/1710:59 pm
PDX
- BUF
1 stop7h 30m
American Airlines
Tue 6/234:55 pm
BUF
- PDX
2 stops10h 04m
American Airlines
Deal found 5/21![American Airlines logo]()
$468
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 6/1912:26 pm
PDX
- BUF
2 stops43h 14m
Multiple Airlines
Fri 6/2612:20 pm
BUF
- PDX
1 stop13h 23m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$435
This American Airlines deal was found by Cheapflights users on 5/21. 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 6/2010:59 pm
PDX
- BUF
1 stop7h 30m
American Airlines
Tue 6/305:25 am
BUF
- PDX
1 stop9h 09m
American Airlines
Deal found 5/21![American Airlines logo]()
$464
This American Airlines deal was found by Cheapflights users on 5/21. 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 6/2010:59 pm
PDX
- BUF
1 stop7h 30m
American Airlines
Mon 6/294:55 pm
BUF
- PDX
2 stops10h 04m
American Airlines
Deal found 5/21![American Airlines logo]()
$497
This American Airlines deal was found by Cheapflights users on 5/21. 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 6/2210:59 pm
PDX
- BUF
1 stop7h 30m
American Airlines
Thu 6/256:00 am
BUF
- PDX
1 stop7h 25m
American Airlines
Deal found 5/21![American Airlines logo]()
$477
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 May 24, 2026.
Search for one-way flight options from Portland to Buffalo. Find affordable one-way fares based on user searches. Data last updated May 24, 2026.
This American Airlines deal was found by Cheapflights users on 5/24. 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 9/911:48 am
PDX
- BUF
1 stop7h 22m
American Airlines
Deal found 5/24![American Airlines logo]()
$206
This American Airlines deal was found by Cheapflights users on 5/21. 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 8/3112:50 pm
PDX
- BUF
1 stop8h 06m
American Airlines
Deal found 5/21![American Airlines logo]()
$213
This American Airlines deal was found by Cheapflights users on 5/22. 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 9/711:20 pm
PDX
- BUF
1 stop7h 15m
American Airlines
Deal found 5/22![American Airlines logo]()
$217
This Booking.com deal was found by Cheapflights users on 5/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1611:59 pm
PDX
- BUF
1 stop7h 42m
Sun Country Air
Deal found 5/23![Sun Country Air logo]()
$223
This Sun Country Air deal was found by Cheapflights users on 5/21. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1911:59 pm
PDX
- BUF
1 stop7h 52m
Sun Country Air
Deal found 5/21![Sun Country Air logo]()
$233
This Southwest deal was found by Cheapflights users on 5/21. 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 7/1811:30 pm
PDX
- BUF
1 stop7h 50m
Southwest
Deal found 5/21![Southwest logo]()
$239
This Expedia deal was found by Cheapflights users on 5/23. 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.
Fri 7/1711:27 pm
PDX
- BUF
2 stops12h 32m
JetBlue
Deal found 5/23![JetBlue logo]()
$240
This Southwest deal was found by Cheapflights users on 5/23. 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 7/167:40 pm
PDX
- BUF
2 stops9h 30m
Southwest
Deal found 5/23![Southwest logo]()
$244
This Expedia deal was found by Cheapflights users on 5/24. 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 7/2611:44 pm
PDX
- BUF
2 stops15h 42m
JetBlue
Deal found 5/24![JetBlue logo]()
$246
Find flight deals from Portland to Buffalo
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 May 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $408 (Southwest) |
One-way from | $206 (American Airlines) |
Popular in | May |
Cheapest in | February |
Average price | $632 |
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 May 24, 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
Quickest round-trip
PortlandBuffalo
PDX - BUF
PDXBUF
Portland
Wed 7/22
9:20 pm-8:10 am
1 stop7h 50m
Buffalo
Mon 7/27
7:55 pm-11:55 pm
1 stop7h 00m
$444
PortlandBuffalo
PDX - BUF
PDXBUF
Portland
Tue 7/21
11:30 pm-10:25 am
1 stop7h 55m
Buffalo
Sat 7/25
6:45 pm-10:50 pm
1 stop7h 05m
$444
PortlandBuffalo
PDX - BUF
PDXBUF
Portland
Thu 9/17
10:00 pm-10:26 am
1 stop9h 26m
Buffalo
Mon 9/21
6:05 am-12:47 pm
2 stops9h 42m
$448
PortlandBuffalo
PDX - BUF
PDXBUF
Portland
Sat 11/7
9:45 pm-3:12 pm
2 stops14h 27m
Buffalo
Sun 11/15
7:35 pm-11:47 pm
1 stop7h 12m
$465
PortlandBuffalo
PDX - BUF
PDXBUF
Portland
Mon 8/3
11:30 pm-11:20 am
1 stop8h 50m
Buffalo
Fri 8/7
7:10 pm-11:05 pm
1 stop6h 55m
$477
PortlandBuffalo
PDX - BUF
PDXBUF
Portland
Fri 7/10
7:20 pm-8:14 am
2 stops9h 54m
Buffalo
Sun 7/12
7:36 pm-11:18 pm
1 stop6h 42m
$482
PortlandBuffalo
PDX - BUF
PDXBUF
Portland
Tue 10/27
10:56 pm-10:26 am
1 stop8h 30m
Buffalo
Sat 10/31
7:00 am-11:35 am
1 stop7h 35m
$537
PortlandBuffalo
PDX - BUF
PDXBUF
Portland
Tue 10/27
7:03 am-11:26 pm
2 stops13h 23m
Buffalo
Sat 10/31
11:46 am-4:54 pm
1 stop8h 08m
$542
PortlandBuffalo
PDX - BUF
PDXBUF
Portland
Fri 6/12
11:30 pm-10:20 am
1 stop7h 50m
Buffalo
Mon 6/15
4:40 pm-12:30 am
2 stops10h 50m
$542
PortlandBuffalo
PDX - BUF
PDXBUF
Portland
Fri 6/12
5:50 pm-9:43 am
2 stops12h 53m
Buffalo
Sun 6/14
7:45 pm-11:18 pm
1 stop6h 33m
$542
Showing 1-10 of 20 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 May.
| 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-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Buffalo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-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-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.
PDX-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
How far ahead should I book a flight from Portland to Buffalo?
The price you pay for your flight from Portland to Buffalo may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Portland to Buffalo?
Currently, February is the cheapest month in which you can book a flight from Portland to Buffalo (average of $383). Flying from Portland to Buffalo in May is currently the most expensive (average of $632). 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 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 May 24, 2026.
Read through reviews of airlines operating flights from Portland to Buffalo, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.6
Boarding
8.1
Overall
7.9
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Boarding
8.1
Overall
7.9
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Boarding
8.1
Overall
7.9
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Boarding
8.1
Overall
7.9
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Boarding
8.1
Overall
7.9
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Boarding
8.1
Overall
7.9
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
Batavia
Williamsville
Orchard Park
Eden
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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 May 24, 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 May 24, 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 May 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Portland to Buffalo
Discover the top 5 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 May 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$427 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$218 | Average$381 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$326 | Average$476 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$339 | Average$483 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$405 | Average$517 | FlexibilityNo cancel fee | On-time69% |