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$120 Cheap Flights from Portland (PDX) to Buffalo (BUF)

View $120 flight on Tue, Sep 29, 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from Portland to Buffalo (PDX-BUF)

Prices were available within the past 7 days and start at $120 for one-way flights and $239 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Sep 30 - Wed, Oct 21
PDX
Portland
BUF
Buffalo
$239 Roundtrip, found 1 day ago
$239
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Sep 30 from Portland to Buffalo, returning Wed, Oct 21, priced at $239 found 1 day ago
United
Tue, Aug 25 - Wed, Sep 2
PDX
Portland
BUF
Buffalo
$239 Roundtrip, found 1 day ago
$239
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 25 from Portland to Buffalo, returning Wed, Sep 2, priced at $239 found 1 day ago
Southwest Airlines
Tue, Aug 25 - Wed, Sep 2
PDX
Portland
BUF
Buffalo
$239 Roundtrip, found 1 day ago
$239
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Aug 25 from Portland to Buffalo, returning Wed, Sep 2, priced at $239 found 1 day ago
Southwest Airlines
Tue, Aug 25 - Wed, Sep 2
PDX
Portland
BUF
Buffalo
$245 Roundtrip, found 1 day ago
$245
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Aug 25 from Portland to Buffalo, returning Wed, Sep 2, priced at $245 found 1 day ago
Southwest Airlines
Tue, Aug 25 - Tue, Sep 1
PDX
Portland
BUF
Buffalo
$250 Roundtrip, found 2 days ago
$250
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Tue, Aug 25 from Portland to Buffalo, returning Tue, Sep 1, priced at $250 found 2 days ago
United
Tue, Sep 15 - Sat, Sep 19
PDX
Portland
BUF
Buffalo
$262 Roundtrip, found 1 day ago
$262
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 15 from Portland to Buffalo, returning Sat, Sep 19, priced at $262 found 1 day ago
Southwest Airlines
Tue, Aug 25 - Wed, Sep 2
PDX
Portland
BUF
Buffalo
$265 Roundtrip, found 1 day ago
$265
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Aug 25 from Portland to Buffalo, returning Wed, Sep 2, priced at $265 found 1 day ago
United
Wed, Sep 23 - Sat, Sep 26
PDX
Portland
BUF
Buffalo
$267 Roundtrip, found 2 days ago
$267
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 23 from Portland to Buffalo, returning Sat, Sep 26, priced at $267 found 2 days ago
JetBlue Airways
Sat, Jul 4 - Sat, Jul 11
PDX
Portland
BUF
Buffalo
$291 Roundtrip, found 1 hour ago
$291
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Sat, Jul 4 from Portland to Buffalo, returning Sat, Jul 11, priced at $291 found 1 hour ago
American Airlines
Wed, Sep 9 - Sat, Sep 19
PDX
Portland
BUF
Buffalo
$298 Roundtrip, found 3 days ago
$298
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Sep 9 from Portland to Buffalo, returning Sat, Sep 19, priced at $298 found 3 days ago

Alternative airports near Buffalo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Buffalo Niagara Intl. BUF. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $568
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $568

What you need to know for your flight from Portland Intl. to Buffalo Niagara Intl.

Portland (PDX) to Buffalo (BUF) at a glance

Travel from Portland (PDX) to Buffalo (BUF) with a selection of airlines servicing this domestic short-haul route. Explore options from both low-cost and full-service carriers to discover the cheapest flights from Portland that suit your budget and itinerary. As you plan your visit, you'll have the chance to experience Buffalo's renowned attractions and neighborhoods. Check out the essential details for flights departing from Portland International Airport to Buffalo Niagara International Airport.

  • Fastest flight duration: around 7 hours non-stop
  • Route distance: roughly 2,200 miles (3,540 km)
  • Flights per week: around 12 departures on average
  • Typical fares (one-way): economy tickets often range from $140–$545, depending on seasonality and how far ahead you book

Flights from Portland International Airport (PDX) to Buffalo Niagara International Airport (BUF)

Based on the latest traveler bookings, here are the top airlines preferred for flights from Portland to Buffalo, featuring both non-stop and one-stop options. Many travelers opt for layovers at major hubs like O'Hare International Airport (ORD) with a layover of about 1 hour and 15 minutes, Denver International Airport (DEN) with approximately 1 hour, and Detroit Metropolitan Wayne County Airport (DTW) with around 1 hour. This allows you to customize your travel plans by balancing price, total journey time, and cabin class to secure the best itinerary.

  • United: As a comprehensive service airline, United provides both non-stop and one-stop options, with one-way fares generally falling between $160 and $705. This carrier represents about 31% of departures on this route, featuring a typical in-flight duration of 5 hours and 45 minutes, and an overall travel time of approximately 7 hours and 15 minutes.
  • American Airlines: This full-service airline offers one-stop flights, with one-way fares usually ranging from $140 to $590. It makes up around 22% of the departures on this route, with an in-air time of 5 hours and 45 minutes and a total journey time of about 7 hours and 15 minutes, including layover.
  • Delta: Delta operates as a full-service carrier providing one-stop flights, with one-way ticket prices typically between $140 and $535. It accounts for roughly 20% of departures on this route, featuring a flying time of 5 hours and 45 minutes, and a complete travel duration of about 7 hours and 15 minutes, factoring in a layover.
  • Southwest Airlines: A low-cost option, Southwest Airlines offers one-stop service with one-way fares generally ranging from $140 to $615. This airline makes up around 18% of departures on this route, providing a flight time of 5 hours and 45 minutes and an overall journey time of roughly 7 hours and 15 minutes, including layover.
  • Frontier Airlines: As another low-cost carrier, Frontier Airlines presents one-stop service with one-way fares typically falling between $140 and $360. It accounts for about 3% of this route’s departures, having an in-flight duration of 5 hours and 45 minutes, while the total travel time is approximately 7 hours and 15 minutes, including layover.

Travelers can enhance their journey from Portland to Buffalo by opting for an upgrade. Both American Airlines and United provide first-class service for this route.

Best time to fly from Portland (PDX) to Buffalo (BUF)

The most popular months for travelers flying from Portland to Buffalo are June, July, and August, when peak temperatures in Buffalo reach up to 72°F in July. If you prefer quieter travel, consider February, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 26.1°F. For better deals, September usually offers the lowest average one-way fare around $247. Flight availability peaks in August, with approximately 17 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: September usually offers good deals with average one-way fare around $247, roughly 21% cheaper than the yearly average.
  • More budget-friendly months to fly: October, June, and May typically offer average one-way fares of around $263.
  • Most flight options: August has the highest number of flights from Portland to Buffalo, with approximately 17 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January25.5°F (-3.6°C)Low8$337
February26.1°F (-3.3°C)Low8$313
March34.3°F (1.3°C)Average12$434
April45.0°F (7.2°C)Average10$306
May57.7°F (14.3°C)Average12$268
June66.0°F (18.9°C)High15$267
July72.0°F (22.2°C)High16$278
August70.7°F (21.5°C)High17$282
September64.6°F (18.1°C)Average10$247
October53.2°F (11.8°C)Average12$258
November41.4°F (5.2°C)Average11$420
December33.1°F (0.6°C)Low9$368

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Portland (PDX) to Buffalo (BUF)

  • Portland to Rochester (PDX-ROC): Greater Rochester International Airport (ROC) is located approximately 56 miles from Buffalo Niagara International Airport (BUF). One-way economy ticket prices for this route generally fall between $135 and $470, influenced by the season and how early you make your reservation. Travelers can choose from both one-stop and multi-stop flights, with common layover points at O'Hare International Airport (ORD) and Detroit Metropolitan Wayne County Airport (DTW). Major airlines operating on this route include United and Delta, with first-class service also available.

How to find the best prices for flights from Portland (PDX) to Buffalo (BUF)

Getting some of the best deals on flights from Portland to Buffalo is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Morning departures between 5 AM and 12 PM tend to offer lower prices and are the most popular flight times. Additionally, flying on Tuesday usually provides cheaper options, while Wednesday is the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Buffalo Niagara International Airport from Portland International Airport

Buffalo welcomes travelers from Portland with a range of transport options based on price, convenience, and proximity. Here's how to reach Buffalo efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Buffalo, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Buffalo Niagara International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Buffalo Niagara International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Buffalo Niagara International Airport, Buffalo-Depew Station, a train station, is located about 2.6 miles away by car, while University Station, a metro station, is situated approximately 6.5 miles away by car, providing convenient access to public transportation options.

Frequently asked questions

How much does a flight from Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
You can find cheap one-way flights from $120 and cheap return flights from $239 Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) with Expedia. One-way flights generally range between $217 and $1016, and roundtrip flights usually range from $414 to $1320. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The cheapest month to fly from PDX to BUF is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Enter PDX to BUF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Frontier Airlines is one of the cheapest airlines offering connecting flights from Portland (PDX) to Buffalo (BUF), with round-trip tickets starting from around $513 with a layover in Las Vegas (LAS). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from Portland International Airport to Buffalo Niagara International Airport usually departs at 12:05 AM, operated by American Airlines. This seasonal service is available in June and July, giving you a chance to arrive in Buffalo early and make the most of your day. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from Portland, OR (PDX) to Buffalo, NY (BUF) are in the early morning, from 6am to 9am. About 30% of passengers prefer this time window. Many major carriers, including United Airlines and Southwest Airlines, offer flights during this window. This timing works well because it allows you to start your day early and arrive in Buffalo with plenty of time to explore.
How long does it take to fly from Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
A flight from PDX to BUF with a layover takes around 7 hours, with the route covering approximately 2,151 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
First class is available on flights from PDX to BUF. First class cabins are available on:

  • United Airlines
  • Delta Air Lines
  • American Airlines

How do I earn miles on a Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Buffalo from Portland Intl. (PDX)?
From Portland Intl. (PDX), you can fly into Buffalo Niagara Intl. (BUF) to reach Buffalo. Some flights may connect through major hubs like Denver Intl. (DEN), Sky Harbor Intl. (PHX), Harry Reid Intl. (LAS) before reaching Buffalo. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) Buffalo Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your Portland, OR (PDX-Portland Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Portland Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$238
Distance
2150 mi

Book with confidence

Portland to Buffalo Flights

The cheapest times to fly from Portland to Buffalo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Buffalo are during the month of September. You can find some of the cheapest flights from Portland to Buffalo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Buffalo

Sunday is one of the best days to book for cheap flights from Portland to Buffalo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Buffalo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Buffalo in 2026. You can also book with separate airlines for your outbound and return journeys, from $120 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Buffalo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Buffalo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Portland to Buffalo Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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