SEA - BUF

$163 Find Cheap Flights from Seattle to Buffalo - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$325
Typical prices: $438-$647
American Airlines
Sun 12/2Wed 12/12
SEA - BUF • 1 stop
Cheapest one-way
$163
Typical prices: $219-$363
Southwest
Sun 12/2
SEA - BUF • 1 stop
Nonstop flights
There are currently no direct flights between Seattle and Buffalo. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 16 weeks in advance save around 44% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 27% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $303 (round-trip)
Shortest trip • 6h 39m (one-way)
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Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Buffalo (SEA-BUF)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Buffalo

Wed, Dec 2 - Sat, Dec 12
American Airlines Logo
10:52 am - 9:55 pmSEA  Seattle/Tacoma Intl-BUF Buffalo
8h 03m1 stop Chicago O'Hare Intl
American Airlines Logo
6:44 pm - 12:47 amBUF  Buffalo-SEA Seattle/Tacoma Intl
9h 03m1 stop Chicago O'Hare Intl
$325American Airlines
Thu, Nov 26 - Thu, Dec 3
American Airlines Logo
5:10 am - 3:52 pmSEA  Seattle/Tacoma Intl-BUF Buffalo
7h 42m1 stop Dallas/Fort Worth
American Airlines Logo
7:53 am - 3:58 pmBUF  Buffalo-SEA Seattle/Tacoma Intl
11h 05m1 stop Chicago O'Hare Intl
$325American Airlines
Sat, Dec 5 - Tue, Dec 8
Delta Logo
6:00 am - 3:19 pmSEA  Seattle/Tacoma Intl-BUF Buffalo
6h 19m1 stop Detroit Metropolitan Wayne County
Delta Logo
9:15 am - 3:03 pmBUF  Buffalo-SEA Seattle/Tacoma Intl
8h 48m1 stop Detroit Metropolitan Wayne County
$325Delta
Sat, Dec 5 - Mon, Dec 7
Delta Logo
11:50 am - 12:04 amSEA  Seattle/Tacoma Intl-BUF Buffalo
9h 14m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:20 pm - 11:09 pmBUF  Buffalo-SEA Seattle/Tacoma Intl
10h 49m1 stop New York John F Kennedy Intl
$325Delta
Sat, Dec 5 - Tue, Dec 8
United Airlines Logo
5:05 am - 4:57 pmSEA  Seattle/Tacoma Intl-BUF Buffalo
8h 52m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
6:00 am - 1:01 pmBUF  Buffalo-SEA Seattle/Tacoma Intl
10h 01m1 stop Newark
$330United Airlines
Sat, Dec 5 - Mon, Dec 7
United Airlines Logo
10:48 am - 11:34 pmSEA  Seattle/Tacoma Intl-BUF Buffalo
9h 46m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
5:40 pm - 10:43 pmBUF  Buffalo-SEA Seattle/Tacoma Intl
8h 03m1 stop Chicago O'Hare Intl
$330United Airlines
Mon, Nov 23 - Wed, Dec 2
Southwest Logo
5:30 am - 9:15 pmSEA  Seattle/Tacoma Intl-BUF Buffalo
12h 45m1 stop Chicago Midway
Southwest Logo
3:55 pm - 11:35 pmBUF  Buffalo-SEA Seattle/Tacoma Intl
10h 40m2 stops Baltimore/Washington Chicago Midway
$336Southwest
Fri, Dec 11 - Tue, Dec 15
Southwest Logo
5:15 am - 4:15 pmSEA  Seattle/Tacoma Intl-BUF Buffalo
8h 00m1 stop Phoenix Sky Harbor Intl
Southwest Logo
2:00 pm - 10:50 pmBUF  Buffalo-SEA Seattle/Tacoma Intl
11h 50m2 stops Chicago Midway Denver Intl
$350Southwest
Wed, Dec 9 - Wed, Dec 16
Multiple Airlines Logo
4:58 pm - 1:35 pmSEA  Seattle/Tacoma Intl-BUF Buffalo
41h 37m3 stops Denver Intl Dallas/Fort Worth Orlando
Multiple Airlines Logo
1:15 pm - 9:35 amBUF  Buffalo-SEA Seattle/Tacoma Intl
23h 20m3 stops Atlanta Hartsfield-Jackson Denver Intl Minneapolis St Paul
$545Multiple Airlines
Wed, Nov 25 - Wed, Dec 2
Frontier Logo
1:52 pm - 12:28 pmSEA  Seattle/Tacoma Intl-BUF Buffalo
19h 36m2 stops Los Angeles Orlando
Frontier Logo
1:15 pm - 12:27 pmBUF  Buffalo-SEA Seattle/Tacoma Intl
26h 12m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
$560Frontier
Booking Insights

Price, demand and travel trends for Seattle to Buffalo flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Seattle to Buffalo?

Round-trip flights from Seattle to Buffalo typically range from $438 to $647. The lowest price found in the past 5 days was $325, on American Airlines.

What's the cheapest day of the week to fly from Seattle to Buffalo?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Seattle to Buffalo. It’s 8% cheaper than the average day, while Monday is the most expensive, with prices 22% higher.

What’s the cheapest month to fly from Seattle to Buffalo?

•March is the cheapest month to fly from Seattle to Buffalo at $387 round-trip.
•December ($646) and July ($583) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 66% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Seattle to Buffalo the cheapest?

Flights from Seattle to Buffalo are cheapest 16 weeks before departure. Booking in this window typically costs about 44% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Seattle to Buffalo flights

Low season

February

Cheapest flight

$163
Beat the crowds with an average 54% drop in travelers.
The most popular month to fly with an average 66% increase in travelers.
One-way flight from Seattle to Buffalo

When to book flights from Seattle to Buffalo

Are your dates flexible? Find out the best times to travel from Seattle to Buffalo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Buffalo flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Seattle to Buffalo?

    Two cabin classes are available on flights from Seattle to Buffalo:

    • Economy Class
    • First Class

  • How long is a flight from Seattle to Buffalo?

    A nonstop flight from Seattle to Buffalo takes 00m, covering 2,115 miles.

  • Do I need a passport to fly from Seattle to Buffalo?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Seattle to Buffalo flight?

    Round-trip flights from Seattle to Buffalo range from $438 to $647, with an average of $529 over the past 12 months. Anything below $438 counts as a good deal.

  • How expensive are last-minute Seattle to Buffalo flights?

    Last-minute fares on this route (booked within two weeks of departure) run 45% above the $529 route average. Book 16 weeks before departure for the lowest fares.

  • Have flight prices from Seattle to Buffalo changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $325 to $1,663. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Seattle to Buffalo looking right now?

    One-way fares from Seattle to Buffalo are currently lower than usual. Average one-way flight prices are about $177, which is 40% below the typical average for this route.

  • What car rental options are available at Buffalo Airport (BUF)?

    Buffalo Airport (BUF) hosts 5 major car rental companies, with daily rates averaging $82 for economy cars. Top options include:

    • Dollar
    • Budget
    • Hertz
    • Thrifty
    • Alamo

  • Which airports can I use when flying from Seattle to Buffalo?

    Flights from Seattle to Buffalo usually depart from Seattle/Tacoma Intl (SEA) and arrive at Buffalo (BUF).

  • Which airports do connecting flights from Seattle to Buffalo pass through?

    One-stop flights from Seattle to Buffalo most commonly connect through:

    • Chicago O'Hare Intl (ORD) - 58% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) - 21% of one-stop connections
    • Chicago Midway (MDW) - 11% of one-stop connections
    • Philadelphia (PHL) - 5% of one-stop connections

  • Can I save money by using flexible dates for flights from Seattle to Buffalo?

    Yes. Flexible dates can save you up to 25% on flights from Seattle to Buffalo. Tuesday is the cheapest departure day at $487 round-trip on average, while Monday is the most expensive at $646, a difference of $159.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Seattle to Buffalo?

    Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 6h 39m, compared with 7h 36m via Detroit Metropolitan Wayne County (DTW) and 7h 36m via Denver Intl (DEN).

  • What is the time difference between Seattle and Buffalo?

    Buffalo is 3 hours ahead of Seattle (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • How can I easily go from Buffalo Niagara International Airport (BUF) to downtown Buffalo?

    If you choose to drive from Buffalo Niagara International Airport (BUF) to downtown Buffalo, you can plan on the journey taking between 15 and 20 minutes. Otherwise, you can take public transport, like bus line 24. The bus will bring you to the city center in 45 to 50 minutes.

  • Will I be able to check a bag for free on my flight from Seattle-Tacoma International Airport (SEA) to Buffalo Niagara International Airport (BUF)?

    If you are flying Economy from Seattle-Tacoma International Airport (SEA) to Buffalo Niagara International Airport (BUF), most airlines will not allow you to check a bag for free. If you choose to pay for a checked bag, airlines like American and Frontier will likely have a weight limit of 50 pounds.

  • What airline lounges are available at Seattle-Tacoma International Airport (SEA)?

    Passengers can choose from a few different airline lounges in Seattle-Tacoma International Airport (SEA). Concourse A has the Club SEA, the United Club, and the Delta Sky Club, while Concourses C and D have the Alaska Lounge. You can also find the Alaska Lounge in the North Satellite Terminal.

  • What environmentally friendly airlines service flights from Seattle-Tacoma International Airport (SEA) to Buffalo Niagara International Airport (BUF)?

    JetBlue has taken many actions to be more environmentally friendly. For example, the airline has made a goal to have net zero carbon emissions by the year 2040. It has also started integrating sustainable aviation fuel into the fuel that it uses for its fleet. In addition, the company has an awareness program to teach tourists about the importance of keeping the oceans clean.

Your guide to booking Seattle to Buffalo flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Monday. On this route, Tuesday flights average $487, about $159 less than Monday fares (25% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 16 weeks before you fly. On this route, that window historically saves about 44% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seattle to Buffalo trip for March. Fares historically average $387 round-trip in that month - typically $259 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Buffalo Airport.

    • Aloft Buffalo Airport
    • Comfort Inn and Suites Buffalo Airport
    • TownePlace Suites by Marriott Buffalo Airport
  • Travelers have a few different options for how they can go from downtown Seattle to Seattle-Tacoma International Airport (SEA). If you opt to drive, the trip will take you on average 20 to 25 minutes. If you choose to take public transportation, like the 1-Line tram instead, you will arrive at the airport in around 45 to 50 minutes.
  • Flights from Seattle-Tacoma International Airport (SEA) to Buffalo Niagara International Airport (BUF) will typically require you to have a layover during your journey. If you are flying with JetBlue, you will likely have a layover in Los Angeles. When flying with Frontier, you may have a stop in Denver.
  • One way to save money on your flight from Seattle-Tacoma International Airport (SEA) to Buffalo Niagara International Airport (BUF) is by opting for Basic Economy. JetBlue has a Blue Basic cabin class for this route, while American Airlines has Basic Economy.
  • Not all airlines allow passengers to bring a free carry-on suitcase when flying from Seattle-Tacoma International Airport (SEA) to Buffalo Niagara International Airport (BUF) with Economy. While Frontier Airlines requires you to pay to bring a carry-on suitcase, American Airlines allows you to bring one for free.
  • As flights from Seattle-Tacoma International Airport (SEA) to Buffalo Niagara International Airport (BUF) are rather a long journey, you may want to upgrade to a different cabin class to maximize your comfort. Options like Premium Economy and Business are available for this route.

More options for your flight from Seattle to Buffalo

Complete your trip to Buffalo with a hotel stay or car rental