$108+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BUF
Dec 2 — Dec 91
1 adult, Economy
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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 August, booked 90 days in advance, depart on a Monday or Wednesday and return on a Wednesday
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 November 2, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $193 (American Airlines) |
One-way from | $108 (Kiwi.com) |
Popular in | December |
Cheapest in | June |
Average price | $374 |
Find 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 November 2, 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 November 2, 2025.
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 12/211:55 amLAX - BUF
1 stop8h 31mAmerican Airlines
Sat 12/611:54 amBUF - LAX
2 stops9h 24mAmerican Airlines
Deal found 10/30![American Airlines logo]()
$196
This Southwest deal was found by Cheapflights users on 10/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:35 amLAX - BUF
2 stops13h 35mSouthwest
Sun 12/148:00 pmBUF - LAX
1 stop7h 10mSouthwest
Deal found 10/30![Southwest logo]()
$211
This American Airlines deal was found by Cheapflights users on 10/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1310:02 amLAX - BUF
2 stops9h 18mAmerican Airlines
Wed 12/175:34 amBUF - LAX
1 stop9h 24mAmerican Airlines
Deal found 10/31![American Airlines logo]()
$213
This Southwest deal was found by Cheapflights users on 10/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:35 amLAX - BUF
2 stops13h 35mSouthwest
Mon 12/151:50 pmBUF - LAX
1 stop12h 35mSouthwest
Deal found 10/30![Southwest logo]()
$216
This JetBlue deal was found by Cheapflights users on 10/31. 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.
Thu 11/2710:20 pmLAX - BUF
Nonstop4h 45mJetBlue
Wed 12/35:00 pmBUF - LAX
1 stop10h 38mJetBlue
Deal found 10/31![JetBlue logo]()
$217
This Southwest deal was found by Cheapflights users on 10/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:35 amLAX - BUF
1 stop9h 30mSouthwest
Mon 11/245:45 pmBUF - LAX
1 stop9h 20mSouthwest
Deal found 10/30![Southwest logo]()
$218
This American Airlines deal was found by Cheapflights users on 11/2. 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 12/62:10 pmLAX - BUF
1 stop6h 57mAmerican Airlines
Tue 12/911:39 amBUF - LAX
2 stops9h 39mAmerican Airlines
Deal found 11/2![American Airlines logo]()
$221
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1112:25 amLAX - BUF
1 stop6h 23mUnited Airlines
Mon 12/157:00 amBUF - LAX
1 stop7h 52mUnited Airlines
Deal found 10/30![United Airlines logo]()
$225
This Southwest deal was found by Cheapflights users on 10/31. 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.
Thu 12/48:35 amLAX - BUF
1 stop9h 30mSouthwest
Tue 12/93:40 pmBUF - LAX
2 stops9h 35mSouthwest
Deal found 10/31![Southwest logo]()
$230
This American Airlines deal was found by Cheapflights users on 10/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1012:55 amLAX - BUF
1 stop7h 19mAmerican Airlines
Mon 12/1512:57 pmBUF - LAX
1 stop9h 44mAmerican Airlines
Deal found 10/31![American Airlines logo]()
$232
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Mon 11/1712:55 amLAX - BUF
1 stop7h 12mAmerican Airlines
Mon 11/2411:35 amBUF - LAX
1 stop8h 27mAmerican Airlines
Deal found 10/30![American Airlines logo]()
$233
This American Airlines deal was found by Cheapflights users on 10/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:10 pmLAX - BUF
1 stop7h 14mAmerican Airlines
Tue 12/911:39 amBUF - LAX
2 stops9h 39mAmerican Airlines
Deal found 10/31![American Airlines logo]()
$237
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 November 2, 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
Thu 12/11
12:25 am-9:48 am
1 stop6h 23m
Buffalo
Mon 12/15
7:00 am-11:52 am
1 stop7h 52m
$225
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Fri 12/5
9:55 pm-7:55 am
1 stop7h 00m
Buffalo
Tue 12/9
3:40 pm-10:15 pm
2 stops9h 35m
$230
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Thu 12/4
8:35 am-8:40 pm
2 stops9h 05m
Buffalo
Thu 12/11
3:00 pm-9:20 pm
1 stop9h 20m
$240
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Sat 11/15
11:30 pm-9:49 am
1 stop7h 19m
Buffalo
Tue 11/18
12:17 pm-5:57 pm
1 stop8h 40m
$243
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Sat 11/15
10:30 pm-8:34 am
1 stop7h 04m
Buffalo
Tue 11/18
6:12 am-10:41 am
1 stop7h 29m
$257
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Sun 11/23
5:35 am-10:10 pm
2 stops13h 35m
Buffalo
Mon 11/24
5:45 pm-12:05 am
1 stop9h 20m
$270
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Thu 12/4
8:35 am-8:40 pm
2 stops9h 05m
Buffalo
Tue 12/9
3:40 pm-10:15 pm
2 stops9h 35m
$280
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Mon 11/24
11:31 pm-7:15 am
Nonstop4h 44m
Buffalo
Tue 11/25
6:41 pm-9:08 pm
Nonstop5h 27m
$290
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Thu 11/27
8:00 am-9:51 pm
1 stop10h 51m
Buffalo
Wed 12/3
5:00 pm-12:38 am
1 stop10h 38m
$291
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Fri 11/14
11:37 am-10:57 pm
1 stop8h 20m
Buffalo
Sat 11/15
6:25 pm-12:46 am
1 stop9h 21m
$298
Showing 1-10 of 23 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?
Use this chart to determine the optimal time to book a round-trip flight from Irvine to Buffalo. Price data was last updated on October 24, 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 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 January is currently the most expensive (average of $246). 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 November 2, 2025.
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?
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 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
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 November 2, 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.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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.
Traveling to a place near Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsLockport
Cheektowaga
Orchard Park
Batavia
Williamsville
Eden
Amherst
West Seneca
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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
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 November 2, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$153 | Average$452 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$185 | Average$442 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$192 | Average$438 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$200 | Average$288 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$227 | Average$347 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$275 | Average$336 | FlexibilityNo cancel fee | On-timeN/A |