How long is the flight from Seattle to Buffalo?

There are many flights that can get you from Seattle to Buffalo in 6h 08m. Fly via Delta to get the fastest option. There are 2115 mi between Seattle and Buffalo.

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

Our cheapest airline available from Seattle to Buffalo is Frontier. Our recent data shows that you can find tickets from as low as $139 on this airline. Additional options worth looking into are JetBlue and Delta, starting at $182 and $286 round-trip. Frontier is 71% cheaper than the average price of flights available within the next 90 days to this destination.

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

$162 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $172 and $178, respectively.

In terms of precipitation, rainfall in Buffalo ranges from 2.5 - 4.0 inches per month. November is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Buffalo when rainfall is around 2.5 in.

If weather is an important factor for your trip to Buffalo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

What are the most popular airlines that fly from Seattle to Buffalo?

Before booking your flight from Seattle to Buffalo check out the most popular airlines for this route: American Airlines, Alaska Airlines or JetBlue.

Most accurate provider : When it comes to deals on Seattle-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Buffalo flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Seattle-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 Seattle-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Seattle to Buffalo?

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

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

Yes. Cheapflights offers flight deals from Seattle 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.

$124+ Flights from Seattle to Buffalo

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Seattle 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.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Buffalo are usually found in September or October, booked 82 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Seattle to Buffalo

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$166 (Booking.com)
One-way from	$124 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$379

Provider with most accurate pricing for Seattle/Tacoma Intl-Buffalo flight deals.

Search Deals

Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Buffalo flights.

Search Deals

From Seattle/Tacoma Intl to Buffalo

Search Deals

One-way flight from Seattle/Tacoma Intl to Buffalo

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($54 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Seattle to Buffalo

Cheapest flights from Seattle to Buffalo
Explore the most affordable flight options available from Seattle to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2025.

Sun 10/198:43 pmSEA - BUF

1 stop16h 46mFrontier

Mon 10/275:24 pmBUF - SEA

1 stop21h 49mFrontier

Deal found 9/23

$166

Fri 10/242:31 pmSEA - BUF

2 stops18h 05mFrontier

Fri 10/319:38 pmBUF - SEA

2 stops17h 35mFrontier

Deal found 9/24

$224

Thu 10/231:02 pmSEA - BUF

1 stop24h 27mFrontier

Mon 10/275:24 pmBUF - SEA

1 stop21h 49mFrontier

Deal found 9/23

$235

Sat 11/112:58 pmSEA - BUF

2 stops20h 56mFrontier

Sun 11/99:04 pmBUF - SEA

2 stops18h 09mFrontier

Deal found 9/24

$277

Fri 10/248:43 pmSEA - BUF

2 stops21h 07mFrontier

Mon 10/275:24 pmBUF - SEA

1 stop21h 49mFrontier

Deal found 9/23

$279

Tue 10/1411:56 pmSEA - BUF

1 stop13h 35mJetBlue

Tue 10/213:55 pmBUF - SEA

1 stop9h 26mJetBlue

Deal found 9/24

$283

Thu 10/234:26 pmSEA - BUF

2 stops21h 03mFrontier

Fri 10/319:38 pmBUF - SEA

2 stops17h 35mFrontier

Deal found 9/24

$307

Sun 10/199:58 pmSEA - BUF

2 stops15h 31mFrontier

Sun 10/266:51 pmBUF - SEA

2 stops15h 42mFrontier

Deal found 9/23

$326

Mon 11/39:59 pmSEA - BUF

1 stop18h 11mDelta

Mon 11/107:59 pmBUF - SEA

1 stop17h 27mDelta

Deal found 9/23

$333

Mon 11/39:59 pmSEA - BUF

1 stop14h 11mDelta

Tue 11/116:25 pmBUF - SEA

1 stop8h 34mDelta

Deal found 9/23

$344

Best flights from Seattle to Buffalo
Discover carefully curated flight deals from Seattle to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2025.

Wed 10/2211:15 pmSEA - BUF

1 stop6h 08mDelta

Tue 10/2811:15 amBUF - SEA

1 stop12h 01mDelta

Deal found 9/23

$344

Wed 10/226:55 amSEA - BUF

1 stop7h 40mSouthwest

Tue 10/284:15 pmBUF - SEA

2 stops10h 30mSouthwest

Deal found 9/23

$360

Mon 11/39:59 pmSEA - BUF

1 stop14h 11mDelta

Tue 11/116:25 pmBUF - SEA

1 stop8h 34mDelta

Deal found 9/23

$344

Tue 10/215:50 amSEA - BUF

1 stop6h 30mSouthwest

Tue 10/286:00 amBUF - SEA

2 stops12h 05mSouthwest

Deal found 9/23

$360

Wed 11/511:43 amSEA - BUF

1 stop8h 09mDelta

Mon 11/107:59 pmBUF - SEA

1 stop17h 27mDelta

Deal found 9/23

$344

Wed 11/55:40 amSEA - BUF

2 stops12h 00mSouthwest

Tue 11/113:00 pmBUF - SEA

1 stop10h 55mSouthwest

Deal found 9/23

$360

Mon 10/2711:15 pmSEA - BUF

1 stop6h 08mDelta

Tue 10/2812:49 pmBUF - SEA

1 stop8h 34mDelta

Deal found 9/23

$355

Tue 11/46:00 amSEA - BUF

1 stop7h 27mDelta

Tue 11/115:47 pmBUF - SEA

1 stop7h 36mDelta

Deal found 9/23

$355

Wed 11/511:40 amSEA - BUF

1 stop8h 59mDelta

Tue 11/115:47 pmBUF - SEA

1 stop7h 36mDelta

Deal found 9/23

$355

Tue 3/36:00 amSEA - BUF

1 stop8h 07mDelta

Wed 3/46:00 amBUF - SEA

1 stop9h 29mDelta

Deal found 9/23

$355

Last-minute flights from Seattle to Buffalo
Discover last-minute flight deals from Seattle to Buffalo. Data last updated September 24, 2025 and is based on user searches.

Tue 10/1411:56 pmSEA - BUF

1 stop13h 35mJetBlue

Tue 10/213:55 pmBUF - SEA

1 stop9h 26mJetBlue

Deal found 9/24

$283

Sun 10/198:43 pmSEA - BUF

1 stop16h 46mFrontier

Mon 10/275:24 pmBUF - SEA

1 stop21h 49mFrontier

Deal found 9/23

$166

Sun 10/199:58 pmSEA - BUF

2 stops15h 31mFrontier

Sun 10/266:51 pmBUF - SEA

2 stops15h 42mFrontier

Deal found 9/23

$326

Tue 10/2111:15 pmSEA - BUF

1 stop6h 08mDelta

Tue 10/2811:15 amBUF - SEA

1 stop12h 01mDelta

Deal found 9/23

$344

Wed 10/221:02 pmSEA - BUF

2 stops19h 17mMultiple Airlines

Mon 10/275:24 pmBUF - SEA

1 stop21h 49mMultiple Airlines

Deal found 9/23

$354

Thu 10/231:02 pmSEA - BUF

1 stop24h 27mFrontier

Mon 10/275:24 pmBUF - SEA

1 stop21h 49mFrontier

Deal found 9/23

$235

Thu 10/234:26 pmSEA - BUF

2 stops21h 03mFrontier

Fri 10/319:38 pmBUF - SEA

2 stops17h 35mFrontier

Deal found 9/24

$307

Fri 10/242:31 pmSEA - BUF

2 stops18h 05mFrontier

Fri 10/319:38 pmBUF - SEA

2 stops17h 35mFrontier

Deal found 9/24

$224

Fri 10/248:43 pmSEA - BUF

2 stops21h 07mFrontier

Mon 10/275:24 pmBUF - SEA

1 stop21h 49mFrontier

Deal found 9/23

$279

One-way flights from Seattle to Buffalo
Search for one-way flight options from Seattle to Buffalo. Find affordable one-way fares based on user searches. Data last updated September 24, 2025.

Thu 10/231:02 pmSEA - BUF

1 stop24h 27mFrontier

Deal found 9/23

$124

Tue 10/2111:56 pmSEA - BUF

1 stop12h 03mJetBlue

Deal found 9/23

$157

Sun 10/56:12 amSEA - BUF

1 stop30h 51mFrontier

Deal found 9/23

$158

Fri 10/248:43 pmSEA - BUF

2 stops21h 07mFrontier

Deal found 9/23

$160

Mon 10/66:12 amSEA - BUF

1 stop6h 51mFrontier

Deal found 9/23

$161

Mon 9/296:12 amSEA - BUF

1 stop6h 51mFrontier

Deal found 9/23

$162

Fri 10/178:43 pmSEA - BUF

2 stops35h 36mFrontier

Deal found 9/23

$165

Wed 10/229:59 pmSEA - BUF

1 stop14h 11mDelta

Deal found 9/23

$172

Thu 10/161:02 pmSEA - BUF

1 stop24h 27mFrontier

Deal found 9/23

$174

Tue 10/1411:40 pmSEA - BUF

1 stop7h 13mUnited Airlines

Deal found 9/23

$178

Fly from

Fly to

Route

Depart

Return

Price

SeattleBuffalo

SEA - BUF

SEABUF

Seattle/Tacoma Intl

Wed 10/22

11:15 pm-8:23 am

1 stop6h 08m

Buffalo

Tue 10/28

11:15 am-8:16 pm

1 stop12h 01m

$344

SeattleBuffalo

SEA - BUF

SEABUF

Seattle/Tacoma Intl

Mon 11/3

9:59 pm-3:10 pm

1 stop14h 11m

Buffalo

Tue 11/11

6:25 pm-11:59 pm

1 stop8h 34m

$344

SeattleBuffalo

SEA - BUF

SEABUF

Seattle/Tacoma Intl

Wed 11/5

11:43 am-10:52 pm

1 stop8h 09m

Buffalo

Mon 11/10

7:59 pm-10:26 am

1 stop17h 27m

$344

SeattleBuffalo

SEA - BUF

SEABUF

Seattle/Tacoma Intl

Mon 10/27

11:15 pm-8:23 am

1 stop6h 08m

Buffalo

Tue 10/28

12:49 pm-6:23 pm

1 stop8h 34m

$355

SeattleBuffalo

SEA - BUF

SEABUF

Seattle/Tacoma Intl

Tue 11/4

6:00 am-4:27 pm

1 stop7h 27m

Buffalo

Tue 11/11

5:47 pm-10:23 pm

1 stop7h 36m

$355

SeattleBuffalo

SEA - BUF

SEABUF

Seattle/Tacoma Intl

Wed 11/5

11:40 am-11:39 pm

1 stop8h 59m

Buffalo

Tue 11/11

5:47 pm-10:23 pm

1 stop7h 36m

$355

SeattleBuffalo

SEA - BUF

SEABUF

Seattle/Tacoma Intl

Tue 3/3

6:00 am-5:07 pm

1 stop8h 07m

Buffalo

Wed 3/4

6:00 am-12:29 pm

1 stop9h 29m

$355

SeattleBuffalo

SEA - BUF

SEABUF

Seattle/Tacoma Intl

Wed 10/22

6:55 am-5:35 pm

1 stop7h 40m

Buffalo

Tue 10/28

4:15 pm-11:45 pm

2 stops10h 30m

$360

SeattleBuffalo

SEA - BUF

SEABUF

Seattle/Tacoma Intl

Tue 10/21

5:50 am-3:20 pm

1 stop6h 30m

Buffalo

Tue 10/28

6:00 am-3:05 pm

2 stops12h 05m

$360

SeattleBuffalo

SEA - BUF

SEABUF

Seattle/Tacoma Intl

Wed 11/5

5:40 am-8:40 pm

2 stops12h 00m

Buffalo

Tue 11/11

3:00 pm-10:55 pm

1 stop10h 55m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

Showing 1-10 of 19 results

Compare providers for flights from Seattle to Buffalo

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Buffalo in September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*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 Seattle-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Buffalo flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Seattle-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 Seattle-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 Seattle to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Seattle 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 Seattle to Buffalo

How far ahead should I book a flight from Seattle to Buffalo?

The best time to book flights from Seattle to Buffalo is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Buffalo?

Currently, January is the cheapest month in which you can book a flight from Seattle to Buffalo (average of $256). Flying from Seattle to Buffalo in December is currently the most expensive (average of $337). 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.

What is the cheapest time of day to fly from SEA to BUF?

One of the essential ways to save on airfare from Seattle to Buffalo is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 15% on airfare.

What is the cheapest day to fly from Seattle to Buffalo?

Travelers seeking maximum savings on their Seattle to Buffalo flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Buffalo

See what other customers who have flown with Southwest, Delta, and United Airlines from Seattle to Buffalo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,244 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Southwest

8.0

Very good

4,244 reviews

Southwest

8.0

Very good

4,244 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Delta

8.0

Very good

7,973 reviews

Southwest

8.0

Very good

4,244 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

United Airlines

7.4

Good

8,928 reviews

Southwest

8.0

Very good

4,244 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,244 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Frontier

5.8

Fair

3,163 reviews

Southwest

8.0

Very good

4,244 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

How long is the flight from Seattle to Buffalo?
There are many flights that can get you from Seattle to Buffalo in 6h 08m. Fly via Delta to get the fastest option. There are 2115 mi between Seattle and Buffalo.
What are the cheapest airlines flying from Seattle to Buffalo round-trip?
Our cheapest airline available from Seattle to Buffalo is Frontier. Our recent data shows that you can find tickets from as low as $139 on this airline. Additional options worth looking into are JetBlue and Delta, starting at $182 and $286 round-trip. Frontier is 71% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Seattle to Buffalo one-way?
$162 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $172 and $178, respectively.
Can I find deals for flights from Seattle to Buffalo that include hotel bookings?
Yes. In addition to deals on Seattle to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Buffalo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Buffalo.
Can I find deals for business class flights from Seattle to Buffalo?
Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Buffalo?
Currently, January is the cheapest month in which you can book a flight from Seattle to Buffalo (average of $256). Flying from Seattle to Buffalo in December is currently the most expensive (average of $337). 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

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Top 7 airlines flying from Seattle to Buffalo

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$139	Average$287	FlexibilityNo cancel fee	On-time62%
JetBlue	Cheapest$182	Average$362	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$286	Average$470	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$296	Average$479	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$306	Average$529	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$336	Average$466	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$516	Average$716	FlexibilityNo cancel fee	On-time75%

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$124+ Cheap flights from Seattle to Buffalo (SEA - 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Buffalo with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Buffalo are usually found in September or October, booked 82 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Seattle to Buffalo

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Seattle to Buffalo

Cheapest flights from Seattle to BuffaloExplore the most affordable flight options available from Seattle to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2025.

Explore the most affordable flight options available from Seattle to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Buffalo that are best for you.

Compare providers for flights from Seattle 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 Seattle to Buffalo in September.

Best time to book a flight from Seattle to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Seattle with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Buffalo

How far ahead should I book a flight from Seattle to Buffalo?

What is the cheapest month to book a flight from Seattle to Buffalo?

What is the cheapest time of day to fly from SEA to BUF?

What is the cheapest day to fly from Seattle to Buffalo?

Reviews of airlines servicing Buffalo

See what other customers who have flown with Southwest, Delta, and United Airlines from Seattle to Buffalo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seattle 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 Seattle to Buffalo?

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

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

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

How can I find direct flights from Seattle to Buffalo?

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

What is the cheapest month to book a flight from Seattle to Buffalo?

Traveling to a place near Buffalo?

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Alternative routes for Seattle to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Seattle to Buffalo

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Cheapest flights from Seattle to Buffalo
Explore the most affordable flight options available from Seattle to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2025.