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$116+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BUF
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Buffalo are usually found in June or August, booked 78 days in advance, depart on a Monday or Saturday and return on a Saturday

Cheap flight deals from Irvine to Buffalo

Keep the following information in mind while searching for Irvine to Buffalo flight deals. Data was last updated July 31, 2025.

Round-trip from

$209
(American Airlines)

One-way from

$116
(United Airlines)

Popular in

December

Cheapest in

June

Average price

$356
From Irvine to Buffalo
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One-way flight from Irvine to Buffalo
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Highest demand for flights based on searches. 15% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 31, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 8/231:52 pmLAX - BUF
1 stop7h 17mAmerican Airlines
Mon 8/255:30 amBUF - LAX
1 stop8h 09mAmerican Airlines
Deal found 7/30$209
This JetBlue deal was found by Cheapflights users on 7/31. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/239:48 pmLAX - BUF
Nonstop4h 52mJetBlue
Wed 8/276:42 pmBUF - LAX
Nonstop5h 14mJetBlue
Deal found 7/31$227
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 9/411:59 pmLAX - BUF
1 stop6h 54mUnited Airlines
Wed 9/108:33 amBUF - LAX
1 stop7h 25mUnited Airlines
Deal found 7/28$244
This Priceline deal was found by Cheapflights users on 7/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/99:28 pmLAX - BUF
1 stop11h 48mFrontier
Sat 8/301:56 pmBUF - LAX
1 stop10h 29mFrontier
Deal found 7/29$259
This Delta deal was found by Cheapflights users on 7/31. 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.
Mon 9/16:30 amLAX - BUF
1 stop8h 37mDelta
Tue 9/97:00 amBUF - LAX
1 stop8h 45mDelta
Deal found 7/31$277
This Southwest deal was found by Cheapflights users on 7/31. 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.
Fri 11/712:05 pmLAX - BUF
2 stops8h 35mSouthwest
Tue 11/1112:40 pmBUF - LAX
1 stop12h 30mSouthwest
Deal found 7/31$290

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine 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 July 31, 2025.
Use the filters below to find and compare flights from Irvine to Buffalo that are best for you.

Fly from

Irvine

Fly to

Buffalo

Route

Depart

Return

Price

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Sat 8/23

1:52 pm-12:09 am

1 stop7h 17m

Buffalo

Mon 8/25

5:30 am-10:39 am

1 stop8h 09m

$209

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Sat 8/23

9:48 pm-5:40 am

Nonstop4h 52m

Buffalo

Wed 8/27

6:42 pm-8:56 pm

Nonstop5h 14m

$227

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Thu 9/4

11:59 pm-9:53 am

1 stop6h 54m

Buffalo

Wed 9/10

8:33 am-12:58 pm

1 stop7h 25m

$244

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Sat 8/9

9:28 pm-12:16 pm

1 stop11h 48m

Buffalo

Sat 8/30

1:56 pm-9:25 pm

1 stop10h 29m

$259

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Mon 9/1

6:30 am-6:07 pm

1 stop8h 37m

Buffalo

Tue 9/9

7:00 am-12:45 pm

1 stop8h 45m

$277

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Tue 9/16

9:50 am-10:10 pm

2 stops9h 20m

Buffalo

Sat 9/20

1:25 pm-6:35 pm

1 stop8h 10m

$297

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Tue 10/28

12:25 am-10:03 am

1 stop6h 38m

$116

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Wed 8/20

12:54 pm-11:31 pm

1 stop7h 37m

$120

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Thu 8/21

9:48 pm-5:40 am

Nonstop4h 52m

$124

Los AngelesBuffalo

LAX - BUF

LAXBUF

Los Angeles

Wed 8/13

6:15 am-4:17 pm

1 stop7h 02m

$131

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 14 results
1
2

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?

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Buffalo. Price data was last updated on July 25, 2025.

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 78 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, January is the cheapest month in which you can book a flight from Irvine to Buffalo (average of $256). Flying from Irvine 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 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 July 31, 2025.

When flying from Irvine to Buffalo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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

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 July 31, 2025.
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
8.0
Very good
4,246 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,981 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,900 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
JetBlue
7.3
Good
2,914 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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?

    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 1 inbound flight from Irvine per day.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $116. Users have also found prices from $120 and $124 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 (78%), Hawaiian Airlines (76%) 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 $237. The most popular route, (Los Angeles - Buffalo), can usually be booked for $227.

  • 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, January is the cheapest month in which you can book a flight from Irvine to Buffalo (average of $256). Flying from Irvine 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

Traveling to a place near Buffalo?

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

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Top 6 airlines flying from Irvine to Buffalo

Discover the top 6 airlines that operate flights from Irvine 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$151Average$282FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$153Average$451FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$210Average$351FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$222Average$402FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$226Average$451FlexibilityNo cancel feeOn-time69%
DeltaCheapest$256Average$337FlexibilityNo cancel feeOn-timeN/A

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