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$136+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BUF
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap 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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$271
(American Airlines)

One-way from

$136
(American Airlines)

Popular in

March

Cheapest in

February

Average price

$581
Provider with most accurate pricing for Portland-Buffalo flight deals.
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Provider most trusted by Cheapflights users for Portland-Buffalo flights.
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From Portland to Buffalo
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One-way flight from Portland to Buffalo
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Portland to Buffalo

Cheapest flights from Portland to Buffalo
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 January 8, 2026.

This American Airlines deal was found by Cheapflights users on 1/6. 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 3/412:04 pmPDX - BUF
1 stop7h 37mAmerican Airlines
Wed 4/16:05 amBUF - PDX
1 stop7h 43mAmerican Airlines
Deal found 1/6$271
This American Airlines deal was found by Cheapflights users on 1/6. 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 3/411:48 amPDX - BUF
1 stop8h 52mAmerican Airlines
Wed 3/114:04 pmBUF - PDX
2 stops11h 11mAmerican Airlines
Deal found 1/6$276
This American Airlines deal was found by Cheapflights users on 1/7. 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 3/2411:59 pmPDX - BUF
2 stops12h 26mAmerican Airlines
Tue 3/314:04 pmBUF - PDX
2 stops11h 16mAmerican Airlines
Deal found 1/7$282
This Delta deal was found by Cheapflights users on 1/7. 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 2/109:45 pmPDX - BUF
1 stop10h 34mDelta
Mon 2/167:41 pmBUF - PDX
1 stop27h 44mDelta
Deal found 1/7$302
This American Airlines deal was found by Cheapflights users on 1/8. 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 2/97:38 amPDX - BUF
1 stop10h 28mAmerican Airlines
Wed 2/186:01 pmBUF - PDX
1 stop9h 16mAmerican Airlines
Deal found 1/8$303
This Southwest deal was found by Cheapflights users on 1/5. 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 2/256:30 amPDX - BUF
1 stop6h 45mSouthwest
Mon 3/25:50 amBUF - PDX
1 stop7h 55mSouthwest
Deal found 1/5$304
This United Airlines deal was found by Cheapflights users on 1/6. 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 1/2011:05 pmPDX - BUF
1 stop8h 44mUnited Airlines
Tue 1/271:59 pmBUF - PDX
1 stop7h 57mUnited Airlines
Deal found 1/6$311
This American Airlines deal was found by Cheapflights users on 1/7. 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 2/2511:35 pmPDX - BUF
1 stop9h 08mAmerican Airlines
Sat 2/286:30 amBUF - PDX
1 stop9h 45mAmerican Airlines
Deal found 1/7$319
This American Airlines deal was found by Cheapflights users on 1/5. 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 4/1411:59 pmPDX - BUF
1 stop7h 57mAmerican Airlines
Tue 4/215:45 pmBUF - PDX
1 stop8h 56mAmerican Airlines
Deal found 1/5$321

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 January 8, 2026.
Use the filters below to find and compare flights from Portland to Buffalo that are best for you.

Fly from

Portland

Fly to

Buffalo

Route

Depart

Return

Price

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Tue 3/24

11:59 pm-11:49 am

1 stop8h 50m

Buffalo

Tue 3/31

5:59 pm-12:20 am

1 stop9h 21m

$271

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Tue 4/14

11:40 pm-2:19 pm

2 stops11h 39m

Buffalo

Tue 4/21

3:41 pm-11:41 pm

2 stops11h 00m

$282

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Mon 2/9

7:38 am-9:06 pm

1 stop10h 28m

Buffalo

Wed 2/18

6:01 pm-12:17 am

1 stop9h 16m

$303

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Mon 2/9

11:59 am-11:28 pm

1 stop8h 29m

Buffalo

Wed 2/18

5:44 pm-11:53 pm

2 stops9h 09m

$333

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Thu 5/7

11:59 pm-10:56 am

1 stop7h 57m

Buffalo

Mon 5/11

2:59 pm-11:41 pm

1 stop11h 42m

$336

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Thu 4/16

11:59 pm-10:56 am

1 stop7h 57m

Buffalo

Tue 4/21

5:45 pm-10:32 pm

1 stop7h 47m

$339

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Wed 2/25

11:40 pm-12:51 pm

2 stops10h 11m

Buffalo

Mon 3/2

4:04 pm-12:17 am

2 stops11h 13m

$339

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Thu 2/26

11:40 pm-12:51 pm

2 stops10h 11m

Buffalo

Mon 3/2

4:04 pm-12:17 am

2 stops11h 13m

$346

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Mon 2/2

6:00 am-4:35 pm

1 stop7h 35m

Buffalo

Sat 2/7

6:38 am-1:17 pm

1 stop9h 39m

$351

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Wed 3/25

11:59 pm-11:49 am

1 stop8h 50m

$136

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 19 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Buffalo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Buffalo flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Buffalo. Price data was last updated on January 2, 2026.

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 30 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 $212). Flying from Portland to Buffalo in December is currently the most expensive (average of $411). 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.

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 January 8, 2026.
Read through reviews of airlines operating flights from Portland to Buffalo, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,250 reviews
Southwest
8.0
Very good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,025 reviews
Southwest
8.0
Very good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,139 reviews
Southwest
8.0
Very good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,095 reviews
Southwest
8.0
Very good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,062 reviews
Southwest
8.0
Very good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

  • How long is the flight from Portland to Buffalo?

    There are many flights that can get you from Portland to Buffalo in 8h 50m. Fly via American Airlines to get the fastest option. Airlines will cover a distance of 2149 mi.

  • What are the cheapest airlines flying from Portland to Buffalo round-trip?

    Cheapflights users have booked flights from Portland to Buffalo round-trip from $128. Other airlines that can offer you cheap pricing are Sun Country Air, from $221, and Delta, from $228. Frontier is priced at 74% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Portland to Buffalo one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $82. American Airlines flights start at $138 while deals on Delta start at $148 one-way.

  • Can I find deals for flights from Portland to Buffalo that include hotel bookings?

    Yes. In addition to deals on Portland to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Buffalo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Buffalo.

  • Can I find deals for business class flights from Portland to Buffalo?

    Yes. Cheapflights offers flight deals from Portland to Buffalo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $212). Flying from Portland to Buffalo in December is currently the most expensive (average of $411). 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.

See more FAQs

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Lockport
Cheektowaga
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca

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Alternative routes for Portland to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.
Portland to John F Kennedy Intl flights
Portland to Newark flights
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Redmond to Syracuse flights
Yakima to Newark flights
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Boise to Islip flights
Redmond to Elmira flights
Portland to Binghamton flights
Medford to Rochester flights
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Redmond to White Plains flights
Portland to Stewart flights
Medford to White Plains flights
Medford to Stewart flights

Top 6 airlines flying from Portland to Buffalo

Discover the top 6 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$153Average$427FlexibilityNo cancel feeOn-time62%
DeltaCheapest$228Average$394FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$315Average$355FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$326Average$427FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$339Average$447FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$384Average$511FlexibilityNo cancel feeOn-time69%

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