How long is the flight from Irvine to Buffalo?

For as low as $237, Southwest can have you in Buffalo from Irvine in 9h 15m. There are 2211 mi between Irvine and Buffalo.

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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $69. Users have also found prices from $88 and $113 on American Airlines and JetBlue, 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 cheapest flights from Irvine to Buffalo?

The cheapest flight price from Irvine to Buffalo is $98. On average you can expect to pay $349. The most popular route, (Los Angeles - Buffalo), can usually be booked for $193.

What are the most reliable airlines from Irvine to Buffalo?

The top 3 most reliable airlines when flying from Irvine to Buffalo are JetBlue (50%), Hawaiian Airlines (50%) and Singapore Airlines (50%).

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

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

What airport do you fly into for flights to Buffalo from Irvine?

Buffalo (BUF), located 8.3 mi from the city center, is the airport you fly into when you book flights from Irvine to Buffalo. 6 airlines have flights to Buffalo from Irvine on a regular basis. Booking flights from Irvine to Buffalo should not be difficult; the airport handles an average of 0 inbound flights from Irvine per day.

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

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

How can I find direct flights from Irvine to Buffalo?

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

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

Yes. Cheapflights offers flight deals from Irvine 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.

$97+ Flights from Irvine to Buffalo

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

Find cheap flights from Irvine 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 Irvine to Buffalo are usually found in June or October, booked 90 days in advance, depart on a Saturday or Monday and return on a Friday

Cheap flight deals from Irvine to Buffalo

Cheapest flights from Irvine to Buffalo
Explore the most affordable flight options available from Irvine to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Tue 12/306:00 amLAX - BUF

1 stop7h 54mUnited Airlines

Fri 1/168:30 amBUF - LAX

1 stop10h 01mUnited Airlines

Deal found 12/16

$284

Tue 12/307:00 amLAX - BUF

1 stop7h 59mAmerican Airlines

Tue 1/65:12 amBUF - LAX

1 stop9h 38mAmerican Airlines

Deal found 12/16

$287

Wed 12/2411:57 pmLAX - BUF

1 stop9h 31mAmerican Airlines

Thu 1/2211:22 amBUF - LAX

1 stop9h 22mAmerican Airlines

Deal found 12/17

$296

Tue 12/3011:39 pmLAX - BUF

Nonstop4h 37mJetBlue

Fri 1/167:00 amBUF - LAX

1 stop30h 18mJetBlue

Deal found 12/16

$338

Tue 12/307:50 pmLAX - BUF

2 stops9h 25mSouthwest

Tue 1/61:20 pmBUF - LAX

1 stop13h 05mSouthwest

Deal found 12/16

$352

Tue 12/305:55 amLAX - BUF

1 stop13h 30mSouthwest

Fri 1/28:40 pmBUF - LAX

1 stop7h 05mSouthwest

Deal found 12/17

$353

Mon 12/2911:59 pmLAX - BUF

1 stop9h 53mFrontier

Mon 1/510:43 amBUF - LAX

1 stop10h 20mFrontier

Deal found 12/16

$363

Tue 12/3010:15 pmLAX - BUF

1 stop9h 04mJetBlue

Thu 1/111:04 amBUF - LAX

1 stop9h 34mJetBlue

Deal found 12/17

$374

Tue 12/3011:39 pmLAX - BUF

Nonstop4h 37mJetBlue

Tue 1/67:00 amBUF - LAX

1 stop8h 59mJetBlue

Deal found 12/16

$383

Wed 12/2411:39 pmLAX - BUF

Nonstop4h 37mJetBlue

Thu 1/227:00 amBUF - LAX

1 stop13h 49mJetBlue

Deal found 12/17

$386

Tue 12/3011:15 pmLAX - BUF

2 stops9h 50mSouthwest

Fri 1/163:35 pmBUF - LAX

1 stop8h 05mSouthwest

Deal found 12/16

$388

Mon 12/295:05 amLAX - BUF

1 stop11h 55mSouthwest

Fri 1/28:40 pmBUF - LAX

1 stop7h 05mSouthwest

Deal found 12/16

$396

Best flights from Irvine to Buffalo
Discover carefully curated flight deals from Irvine to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Tue 1/207:50 pmLAX - BUF

2 stops9h 15mSouthwest

Thu 1/223:45 pmBUF - LAX

1 stop8h 25mSouthwest

Deal found 12/17

$237

Thu 1/2211:38 amLAX - BUF

1 stop9h 09mJetBlue

Mon 1/263:25 pmBUF - LAX

1 stop11h 31mJetBlue

Deal found 12/15

$304

Tue 1/67:50 pmLAX - BUF

2 stops9h 15mSouthwest

Mon 1/123:45 pmBUF - LAX

1 stop8h 25mSouthwest

Deal found 12/16

$237

Wed 3/410:55 pmLAX - BUF

2 stops9h 45mSouthwest

Tue 3/106:50 amBUF - LAX

1 stop7h 00mSouthwest

Deal found 12/16

$248

Sat 1/109:55 pmLAX - BUF

1 stop7h 10mSouthwest

Wed 1/143:45 pmBUF - LAX

2 stops10h 55mSouthwest

Deal found 12/17

$262

Thu 1/2911:20 pmLAX - BUF

2 stops10h 10mSouthwest

Mon 2/26:20 amBUF - LAX

1 stop7h 35mSouthwest

Deal found 12/16

$265

Thu 1/156:15 amLAX - BUF

2 stops12h 00mSouthwest

Thu 1/223:45 pmBUF - LAX

1 stop8h 25mSouthwest

Deal found 12/16

$271

Thu 1/298:50 amLAX - BUF

2 stops10h 05mSouthwest

Sun 2/14:05 pmBUF - LAX

1 stop9h 00mSouthwest

Deal found 12/16

$290

Fri 1/1612:40 pmLAX - BUF

1 stop6h 50mSouthwest

Fri 1/235:50 amBUF - LAX

2 stops11h 00mSouthwest

Deal found 12/17

$292

Last-minute flights from Irvine to Buffalo
Discover last-minute flight deals from Irvine to Buffalo. Data last updated December 18, 2025 and is based on user searches.

Wed 12/2411:57 pmLAX - BUF

1 stop9h 31mAmerican Airlines

Thu 1/2211:22 amBUF - LAX

1 stop9h 22mAmerican Airlines

Deal found 12/17

$296

Tue 12/306:00 amLAX - BUF

1 stop7h 54mUnited Airlines

Fri 1/168:30 amBUF - LAX

1 stop10h 01mUnited Airlines

Deal found 12/16

$284

Mon 1/55:35 amLAX - BUF

1 stop6h 25mSouthwest

Sun 1/114:05 pmBUF - LAX

1 stop9h 00mSouthwest

Deal found 12/16

$287

Tue 1/67:50 pmLAX - BUF

2 stops9h 15mSouthwest

Mon 1/123:45 pmBUF - LAX

1 stop8h 25mSouthwest

Deal found 12/16

$237

Sat 1/109:55 pmLAX - BUF

1 stop7h 10mSouthwest

Wed 1/143:45 pmBUF - LAX

2 stops10h 55mSouthwest

Deal found 12/17

$262

Mon 1/126:40 amLAX - BUF

1 stop6h 40mSouthwest

Mon 1/195:50 amBUF - LAX

1 stop7h 55mSouthwest

Deal found 12/16

$260

Thu 1/156:15 amLAX - BUF

2 stops12h 00mSouthwest

Tue 1/203:45 pmBUF - LAX

1 stop8h 25mSouthwest

Deal found 12/16

$271

Fri 1/1612:40 pmLAX - BUF

1 stop6h 50mSouthwest

Fri 1/235:50 amBUF - LAX

2 stops11h 00mSouthwest

Deal found 12/17

$292

Thu 1/2212:35 pmLAX - BUF

1 stop8h 12mJetBlue

Mon 1/263:25 pmBUF - LAX

1 stop11h 31mJetBlue

Deal found 12/16

$304

Thu 1/2911:20 pmLAX - BUF

2 stops10h 10mSouthwest

Mon 2/26:20 amBUF - LAX

1 stop7h 35mSouthwest

Deal found 12/16

$265

Thu 1/298:50 amLAX - BUF

2 stops10h 05mSouthwest

Sun 2/14:05 pmBUF - LAX

1 stop9h 00mSouthwest

Deal found 12/16

$290

One-way flights from Irvine to Buffalo
Search for one-way flight options from Irvine to Buffalo. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Tue 1/2012:30 amLAX - BUF

1 stop7h 51mAmerican Airlines

Deal found 12/18

$97

Sat 1/1711:45 pmLAX - BUF

2 stops9h 23mAmerican Airlines

Deal found 12/17

$102

Thu 3/510:45 pmLAX - BUF

1 stop10h 20mFrontier

Deal found 12/16

$110

Thu 1/1510:45 pmLAX - BUF

1 stop9h 35mFrontier

Deal found 12/17

$112

Sat 1/1710:45 pmLAX - BUF

2 stops18h 18mFrontier

Deal found 12/15

$113

Thu 2/265:49 pmLAX - BUF

2 stops15h 55mFrontier

Deal found 12/16

$116

Tue 1/63:25 pmLAX - BUF

2 stops37h 48mFrontier

Deal found 12/16

$119

Fri 2/67:07 pmLAX - BUF

2 stops36h 00mMultiple Airlines

Deal found 12/16

$121

Sun 2/1511:08 amLAX - BUF

1 stop8h 51mUnited Airlines

Deal found 12/16

$122

Tue 1/207:00 amLAX - BUF

2 stops50h 44mFrontier

Deal found 12/16

$123

Tue 1/207:07 pmLAX - BUF

2 stops38h 37mMultiple Airlines

Deal found 12/16

$125

Sun 1/1810:45 pmLAX - BUF

1 stop9h 04mFrontier

Deal found 12/17

$126

Find flight deals from Irvine to Buffalo

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$218 (Southwest)
One-way from	$97 (American Airlines)
Popular in	December
Cheapest in	June
Average price	$454

Provider with most accurate pricing for Los Angeles-Buffalo flight deals.

Search Deals

Provider most trusted by Cheapflights users for Los Angeles-Buffalo flights.

Search Deals

From Irvine to Buffalo

Search Deals

One-way flight from Irvine to Buffalo

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($46 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Tue 1/20

7:50 pm-8:05 am

2 stops9h 15m

Buffalo

Thu 1/22

3:45 pm-9:10 pm

1 stop8h 25m

$237

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Tue 1/6

7:50 pm-8:05 am

2 stops9h 15m

Buffalo

Mon 1/12

3:45 pm-9:10 pm

1 stop8h 25m

$237

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Wed 3/4

10:55 pm-11:40 am

2 stops9h 45m

Buffalo

Tue 3/10

6:50 am-10:50 am

1 stop7h 00m

$248

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Sat 1/10

9:55 pm-8:05 am

1 stop7h 10m

Buffalo

Wed 1/14

3:45 pm-11:40 pm

2 stops10h 55m

$262

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Thu 1/29

11:20 pm-12:30 pm

2 stops10h 10m

Buffalo

Mon 2/2

6:20 am-10:55 am

1 stop7h 35m

$265

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Thu 1/15

6:15 am-9:15 pm

2 stops12h 00m

Buffalo

Thu 1/22

3:45 pm-9:10 pm

1 stop8h 25m

$271

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Thu 1/29

8:50 am-9:55 pm

2 stops10h 05m

Buffalo

Sun 2/1

4:05 pm-10:05 pm

1 stop9h 00m

$290

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Fri 1/16

12:40 pm-10:30 pm

1 stop6h 50m

Buffalo

Fri 1/23

5:50 am-1:50 pm

2 stops11h 00m

$292

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Thu 1/22

11:38 am-11:47 pm

1 stop9h 09m

Buffalo

Mon 1/26

3:25 pm-11:56 pm

1 stop11h 31m

$304

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Wed 1/14

12:30 am-11:21 am

1 stop7h 51m

$97

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 19 results

Best time to book a flight from Irvine to Buffalo

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

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

The price you pay for your flight from Irvine to Buffalo may vary depending on when you book. For the best chance of a lower fare, look to book 90 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 Irvine to Buffalo?

Currently, September is the cheapest month in which you can book a flight from Irvine to Buffalo (average of $147). Flying from Irvine to Buffalo in March is currently the most expensive (average of $251). 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 IR9 to BUF?

It’s typically best to fly out from Irvine to Buffalo in the evening. Doing so could potentially save you 38% on the flight price compared to flying in the morning, which is usually more expensive.

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

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

Reviews of airlines servicing Buffalo

Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Irvine to Buffalo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Southwest

7.9

Good

4,250 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Delta

7.9

Good

8,005 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

United Airlines

7.4

Good

9,091 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

American Airlines

7.2

Good

11,054 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

JetBlue

7.2

Good

2,897 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

What airport do you fly into for flights to Buffalo from Irvine?
Buffalo (BUF), located 8.3 mi from the city center, is the airport you fly into when you book flights from Irvine to Buffalo. 6 airlines have flights to Buffalo from Irvine on a regular basis. Booking flights from Irvine to Buffalo should not be difficult; the airport handles an average of 0 inbound flights from Irvine per day.
How long is the flight from Irvine to Buffalo?
For as low as $237, Southwest can have you in Buffalo from Irvine in 9h 15m. There are 2211 mi between Irvine and Buffalo.
What are the cheapest airlines to fly from Irvine to Buffalo one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $69. Users have also found prices from $88 and $113 on American Airlines and JetBlue, respectively.
What are the most reliable airlines from Irvine to Buffalo?
The top 3 most reliable airlines when flying from Irvine to Buffalo are JetBlue (50%), Hawaiian Airlines (50%) and Singapore Airlines (50%).
What are the cheapest flights from Irvine to Buffalo?
The cheapest flight price from Irvine to Buffalo is $98. On average you can expect to pay $349. The most popular route, (Los Angeles - Buffalo), can usually be booked for $193.
Can I find deals for flights from Irvine to Buffalo that include hotel bookings?
Yes. In addition to deals on Irvine to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Irvine to Buffalo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Irvine to Buffalo.
Can I find deals for business class flights from Irvine to Buffalo?
Yes. Cheapflights offers flight deals from Irvine 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 Irvine to Buffalo?
Currently, September is the cheapest month in which you can book a flight from Irvine to Buffalo (average of $147). Flying from Irvine to Buffalo in March is currently the most expensive (average of $251). 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

Lockport

Cheektowaga

Batavia

Williamsville

Orchard Park

Eden

Amherst

West Seneca

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Irvine to Buffalo

Los Angeles to John F Kennedy Intl flights

Los Angeles to Newark flights

San Francisco to John F Kennedy Intl flights

Los Angeles to LaGuardia flights

San Francisco to Newark flights

San Francisco to LaGuardia flights

San Diego to John F Kennedy Intl flights

Burbank to LaGuardia flights

Ontario to John F Kennedy Intl flights

San Diego to Newark flights

Ontario to Newark flights

Ontario to LaGuardia flights

Las Vegas to John F Kennedy Intl flights

San Diego to LaGuardia flights

Santa Ana to John F Kennedy Intl flights

Santa Ana to LaGuardia flights

Las Vegas to Newark flights

Santa Ana to Newark flights

San Jose to John F Kennedy Intl flights

Burbank to John F Kennedy Intl flights

Sacramento to Newark flights

Sacramento to John F Kennedy Intl flights

San Jose to Newark flights

Las Vegas to LaGuardia flights

San Jose to LaGuardia flights

Sacramento to LaGuardia flights

Oakland to John F Kennedy Intl flights

Burbank to Newark flights

Fresno to John F Kennedy Intl flights

Oakland to Newark flights

Los Angeles to Islip flights

Fresno to Newark flights

Long Beach to John F Kennedy Intl flights

Fresno to LaGuardia flights

San Francisco to White Plains flights

Los Angeles to Buffalo flights

Palm Springs to John F Kennedy Intl flights

Reno to Newark flights

Palm Springs to Newark flights

Reno to LaGuardia flights

Oakland to LaGuardia flights

San Francisco to Albany flights

San Francisco to Buffalo flights

Los Angeles to White Plains flights

Reno to John F Kennedy Intl flights

Palm Springs to LaGuardia flights

San Francisco to Syracuse flights

Las Vegas to Buffalo flights

Las Vegas to Rochester flights

Long Beach to Newark flights

Other flights to Buffalo

Complete your trip

Buffalo car rentals

Buffalo Airport car rentals

Greater Rochester Intl Airport car rentals

Erie Airport car rentals

Niagara Falls Airport car rentals

Bradford Airport car rentals

Jamestown Chautauqua County Airport car rentals

New York car rentals

Rochester car rentals

Albany car rentals

Syracuse car rentals

Islip car rentals

Top 6 airlines flying from Irvine to Buffalo

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$153	Average$440	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$168	Average$413	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$192	Average$397	FlexibilityNo cancel fee	On-time69%
Frontier	Cheapest$200	Average$288	FlexibilityNo cancel fee	On-time62%
JetBlue	Cheapest$226	Average$342	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$256	Average$334	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$97+ Cheap flights from Irvine, CA to Buffalo (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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Irvine to Buffalo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Irvine to Buffalo are usually found in June or October, booked 90 days in advance, depart on a Saturday or Monday and return on a Friday

Cheap flight deals from Irvine to Buffalo

Cheapest flights from Irvine to BuffaloExplore the most affordable flight options available from Irvine to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from Irvine to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Find flight deals from Irvine to Buffalo

Keep the following information in mind while searching for Irvine to Buffalo flight deals. Data was last updated December 18, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Irvine to Buffalo

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

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Buffalo. Price data was last updated on December 12, 2025.

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

What is the cheapest time of day to fly from IR9 to BUF?

Find hourly flight availability from Irvine to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Irvine to Buffalo. Price data was last updated on December 16, 2024.

Reviews of airlines servicing Buffalo

Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Irvine to Buffalo. Users can see the overall rating for each airline as well as how each is rated 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 Irvine to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Buffalo from Irvine?

How long is the flight from Irvine to Buffalo?

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

What are the most reliable airlines from Irvine to Buffalo?

What are the cheapest flights from Irvine to Buffalo?

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

How can I find direct flights from Irvine to Buffalo?

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

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

Traveling to a place near Buffalo?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Irvine to Buffalo

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

Top 6 airlines flying from Irvine to Buffalo

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Irvine to Buffalo
Explore the most affordable flight options available from Irvine to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.