$129+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BUF
Jul 11 — Jul 181
Round-trip
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 February or January, booked 54 days in advance, depart on a Monday or Tuesday and return on a Friday
Cheap flight deals from Irvine to Buffalo
Cheapest
Best
Last-minute
One-way
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 June 11, 2026.
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 June 11, 2026.
This deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:10 pm
LAX
- BUF
1 stop8h 30m
Delta
Wed 9/237:15 pm
BUF
- LAX
1 stop7h 37m
Delta
Deal found 6/7![Delta logo]()
$266
This Delta deal was found by Cheapflights users on 6/7. 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.
Fri 10/26:00 am
LAX
- BUF
1 stop8h 54m
Delta
Mon 10/57:15 pm
BUF
- LAX
1 stop7h 37m
Delta
Deal found 6/7![Delta logo]()
$267
This CheapOair deal was found by Cheapflights users on 6/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:00 pm
LAX
- BUF
1 stop17h 06m
Multiple Airlines
Wed 8/199:15 am
BUF
- LAX
1 stop12h 00m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$273
This Southwest deal was found by Cheapflights users on 6/11. 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.
Sat 8/295:20 am
LAX
- BUF
2 stops7h 55m
Southwest
Tue 9/112:00 pm
BUF
- LAX
2 stops9h 50m
Southwest
Deal found 6/11![Southwest logo]()
$276
This American Airlines deal was found by Cheapflights users on 6/8. 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 7/2110:21 am
LAX
- BUF
1 stop9h 26m
American Airlines
Tue 8/46:32 am
BUF
- LAX
1 stop7h 03m
American Airlines
Deal found 6/8![American Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 6/9. 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.
Wed 9/1611:15 am
LAX
- BUF
1 stop9h 57m
Delta
Fri 9/186:59 pm
BUF
- LAX
1 stop8h 25m
Delta
Deal found 6/9![Delta logo]()
$278
This American Airlines deal was found by Cheapflights users on 6/10. 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 7/1512:18 pm
LAX
- BUF
1 stop8h 35m
American Airlines
Fri 7/177:40 pm
BUF
- LAX
1 stop8h 10m
American Airlines
Deal found 6/10![American Airlines logo]()
$281
This United Airlines deal was found by Cheapflights users on 6/10. 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 12/316:00 am
LAX
- BUF
1 stop7h 47m
United Airlines
Fri 1/85:50 pm
BUF
- LAX
1 stop7h 28m
United Airlines
Deal found 6/10![United Airlines logo]()
$284
This American Airlines deal was found by Cheapflights users on 6/8. 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 7/2010:45 pm
LAX
- BUF
1 stop7h 52m
American Airlines
Fri 7/246:32 am
BUF
- LAX
1 stop7h 03m
American Airlines
Deal found 6/8![American Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 6/11. 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 9/109:20 am
LAX
- BUF
2 stops8h 30m
Southwest
Mon 9/143:55 pm
BUF
- LAX
1 stop9h 45m
Southwest
Deal found 6/11![Southwest logo]()
$286
This Delta deal was found by Cheapflights users on 6/8. 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.
Sun 9/139:50 pm
LAX
- BUF
1 stop10h 12m
Delta
Tue 9/226:05 am
BUF
- LAX
1 stop7h 52m
Delta
Deal found 6/8![Delta logo]()
$288
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/1110:45 pm
LAX
- BUF
1 stop7h 52m
American Airlines
Wed 7/157:40 pm
BUF
- LAX
1 stop8h 10m
American Airlines
Deal found 6/11![American Airlines logo]()
$292
Best flights from Irvine to BuffaloDiscover 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 June 11, 2026.
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 June 11, 2026.
This Delta deal was found by Cheapflights users on 6/9. 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.
Thu 8/66:25 am
LAX
- BUF
1 stop8h 58m
Delta
Tue 8/117:19 pm
BUF
- LAX
1 stop8h 22m
Delta
Deal found 6/9![Delta logo]()
$298
This Southwest deal was found by Cheapflights users on 6/6. 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.
Wed 9/309:45 am
LAX
- BUF
2 stops7h 50m
Southwest
Mon 10/511:10 am
BUF
- LAX
1 stop10h 10m
Southwest
Deal found 6/6![Southwest logo]()
$338
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 7/311:30 pm
LAX
- BUF
1 stop7h 30m
United Airlines
Fri 7/107:52 pm
BUF
- LAX
1 stop8h 05m
United Airlines
Deal found 6/10![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 6/9. 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.
Thu 7/169:50 pm
LAX
- BUF
1 stop10h 21m
Delta
Fri 7/247:36 pm
BUF
- LAX
1 stop7h 17m
Delta
Deal found 6/9![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 6/11. 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.
Sat 7/187:50 pm
LAX
- BUF
2 stops9h 05m
Southwest
Wed 7/226:25 am
BUF
- LAX
2 stops15h 45m
Southwest
Deal found 6/11![Southwest logo]()
$352
This United Airlines deal was found by Cheapflights users on 6/8. 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 8/2010:35 pm
LAX
- BUF
1 stop7h 53m
United Airlines
Sun 8/236:55 am
BUF
- LAX
1 stop7h 28m
United Airlines
Deal found 6/8![United Airlines logo]()
$382
This Southwest deal was found by Cheapflights users on 6/8. 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.
Mon 7/209:50 pm
LAX
- BUF
1 stop7h 10m
Southwest
Fri 7/245:55 pm
BUF
- LAX
2 stops9h 15m
Southwest
Deal found 6/8![Southwest logo]()
$369
This Southwest deal was found by Cheapflights users on 6/11. 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 7/105:00 am
LAX
- BUF
1 stop11h 15m
Southwest
Sat 7/184:50 pm
BUF
- LAX
1 stop8h 25m
Southwest
Deal found 6/11![Southwest logo]()
$383
This Southwest deal was found by Cheapflights users on 6/6. 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.
Sun 7/265:00 am
LAX
- BUF
1 stop9h 20m
Southwest
Wed 7/296:25 am
BUF
- LAX
2 stops15h 45m
Southwest
Deal found 6/6![Southwest logo]()
$392
This Southwest deal was found by Cheapflights users on 6/8. 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.
Mon 6/297:25 pm
LAX
- BUF
2 stops9h 35m
Southwest
Wed 7/17:10 pm
BUF
- LAX
1 stop7h 30m
Southwest
Deal found 6/8![Southwest logo]()
$393
This Southwest deal was found by Cheapflights users on 6/10. 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 7/310:25 pm
LAX
- BUF
2 stops14h 25m
Southwest
Fri 7/105:55 pm
BUF
- LAX
2 stops9h 15m
Southwest
Deal found 6/10![Southwest logo]()
$394
This Southwest deal was found by Cheapflights users on 6/7. 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.
Mon 7/2711:45 am
LAX
- BUF
2 stops9h 30m
Southwest
Thu 8/69:40 am
BUF
- LAX
2 stops9h 00m
Southwest
Deal found 6/7![Southwest logo]()
$397
Last-minute flights from Irvine to BuffaloDiscover last-minute flight deals from Irvine to Buffalo. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Buffalo. Data last updated June 11, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 6/9. 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.
Fri 7/311:25 pm
LAX
- BUF
1 stop9h 09m
Multiple Airlines
Fri 7/108:20 pm
BUF
- LAX
Nonstop5h 18m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 6/7. 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 7/610:45 pm
LAX
- BUF
1 stop7h 52m
American Airlines
Tue 7/146:01 am
BUF
- LAX
1 stop7h 55m
American Airlines
Deal found 6/7![American Airlines logo]()
$267
This American Airlines deal was found by Cheapflights users on 6/7. 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 7/79:30 am
LAX
- BUF
1 stop10h 17m
American Airlines
Sat 7/187:40 pm
BUF
- LAX
1 stop8h 10m
American Airlines
Deal found 6/7![American Airlines logo]()
$288
This Southwest deal was found by Cheapflights users on 6/8. 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.
Wed 7/85:05 am
LAX
- BUF
1 stop13h 25m
Southwest
Wed 7/156:25 am
BUF
- LAX
2 stops15h 45m
Southwest
Deal found 6/8![Southwest logo]()
$303
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 7/812:13 am
LAX
- BUF
1 stop6h 47m
United Airlines
Tue 7/146:04 pm
BUF
- LAX
1 stop9h 05m
United Airlines
Deal found 6/11![United Airlines logo]()
$308
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1011:00 pm
LAX
- BUF
1 stop19h 07m
Frontier
Sun 7/199:29 pm
BUF
- LAX
1 stop23h 28m
Frontier
Deal found 6/10![Frontier logo]()
$301
This American Airlines deal was found by Cheapflights users on 6/10. 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 7/1110:45 pm
LAX
- BUF
1 stop7h 52m
American Airlines
Wed 7/156:32 am
BUF
- LAX
1 stop7h 03m
American Airlines
Deal found 6/10![American Airlines logo]()
$292
This American Airlines deal was found by Cheapflights users on 6/10. 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 7/1512:18 pm
LAX
- BUF
1 stop8h 35m
American Airlines
Fri 7/177:40 pm
BUF
- LAX
1 stop8h 10m
American Airlines
Deal found 6/10![American Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 6/9. 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.
Sun 7/1910:20 pm
LAX
- BUF
1 stop6h 54m
Delta
Wed 7/227:36 pm
BUF
- LAX
1 stop7h 17m
Delta
Deal found 6/9![Delta logo]()
$302
This American Airlines deal was found by Cheapflights users on 6/8. 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 7/2010:45 pm
LAX
- BUF
1 stop7h 52m
American Airlines
Fri 7/246:32 am
BUF
- LAX
1 stop7h 03m
American Airlines
Deal found 6/8![American Airlines logo]()
$285
This American Airlines deal was found by Cheapflights users on 6/8. 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 7/2110:21 am
LAX
- BUF
1 stop9h 26m
American Airlines
Tue 8/46:32 am
BUF
- LAX
1 stop7h 03m
American Airlines
Deal found 6/8![American Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 6/9. 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 7/2911:42 pm
LAX
- BUF
1 stop7h 34m
American Airlines
Wed 8/56:50 am
BUF
- LAX
1 stop10h 28m
American Airlines
Deal found 6/9![American Airlines logo]()
$298
One-way flights from Irvine to BuffaloSearch for one-way flight options from Irvine to Buffalo. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
Search for one-way flight options from Irvine to Buffalo. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Delta deal was found by Cheapflights users on 6/8. 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.
Tue 9/810:30 pm
LAX
- BUF
1 stop6h 53m
Delta
Deal found 6/8![Delta logo]()
$129
This Super.com deal was found by Cheapflights users on 6/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:30 pm
LAX
- BUF
1 stop8h 22m
JetBlue
Deal found 6/9![JetBlue logo]()
$131
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:35 pm
LAX
- BUF
1 stop8h 15m
JetBlue
Deal found 6/10![JetBlue logo]()
$132
This Delta deal was found by Cheapflights users on 6/8. 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 7/139:00 pm
LAX
- BUF
1 stop9h 41m
Delta
Deal found 6/8![Delta logo]()
$133
This Delta deal was found by Cheapflights users on 6/8. 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.
Fri 12/410:30 pm
LAX
- BUF
1 stop6h 59m
Delta
Deal found 6/8![Delta logo]()
$134
This Southwest deal was found by Cheapflights users on 6/7. 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.
Sat 7/47:45 am
LAX
- BUF
2 stops10h 25m
Southwest
Deal found 6/7![Southwest logo]()
$138
This Southwest deal was found by Cheapflights users on 6/9. 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.
Mon 11/211:10 pm
LAX
- BUF
2 stops10h 00m
Southwest
Deal found 6/9![Southwest logo]()
$146
This American Airlines deal was found by Cheapflights users on 6/9. 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 7/146:05 am
LAX
- BUF
1 stop10h 07m
American Airlines
Deal found 6/9![American Airlines logo]()
$149
This American Airlines deal was found by Cheapflights users on 6/10. 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 8/156:00 am
LAX
- BUF
1 stop9h 02m
American Airlines
Deal found 6/10![American Airlines logo]()
$150
This Southwest deal was found by Cheapflights users on 6/8. 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 7/219:10 pm
LAX
- BUF
2 stops10h 15m
Southwest
Deal found 6/8![Southwest logo]()
$154
This American Airlines deal was found by Cheapflights users on 6/7. 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 6/2312:15 pm
LAX
- BUF
1 stop8h 41m
American Airlines
Deal found 6/7![American Airlines logo]()
$155
This Trip.com deal was found by Cheapflights users on 6/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:07 pm
LAX
- BUF
2 stops12h 22m
Frontier
Deal found 6/9![Frontier logo]()
$158
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 June 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $266 |
One-way from | $129 (Delta) |
Popular in | March |
Cheapest in | February |
Average price | $383 |
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 June 11, 2026.
Use the filters below to find and compare flights from Irvine to Buffalo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Thu 8/6
6:25 am-6:23 pm
1 stop8h 58m
Buffalo
Tue 8/11
7:19 pm-12:41 am
1 stop8h 22m
$298
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Wed 9/30
9:45 am-8:35 pm
2 stops7h 50m
Buffalo
Mon 10/5
11:10 am-6:20 pm
1 stop10h 10m
$338
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Thu 7/16
9:50 pm-11:11 am
1 stop10h 21m
Buffalo
Fri 7/24
7:36 pm-11:53 pm
1 stop7h 17m
$339
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Fri 7/3
11:30 pm-10:00 am
1 stop7h 30m
Buffalo
Fri 7/10
7:52 pm-12:57 am
1 stop8h 05m
$351
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Sat 7/18
7:50 pm-7:55 am
2 stops9h 05m
Buffalo
Wed 7/22
6:25 am-7:10 pm
2 stops15h 45m
$352
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Mon 7/20
9:50 pm-8:00 am
1 stop7h 10m
Buffalo
Fri 7/24
5:55 pm-12:10 am
2 stops9h 15m
$369
Quickest round-trip
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Thu 8/20
10:35 pm-9:28 am
1 stop7h 53m
Buffalo
Sun 8/23
6:55 am-11:23 am
1 stop7h 28m
$382
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Fri 7/10
5:00 am-7:15 pm
1 stop11h 15m
Buffalo
Sat 7/18
4:50 pm-10:15 pm
1 stop8h 25m
$383
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Sun 7/26
5:00 am-5:20 pm
1 stop9h 20m
Buffalo
Wed 7/29
6:25 am-7:10 pm
2 stops15h 45m
$392
Los AngelesBuffalo
LAX - BUF
LAXBUF
Los Angeles
Mon 6/29
7:25 pm-8:00 am
2 stops9h 35m
Buffalo
Wed 7/1
7:10 pm-11:40 pm
1 stop7h 30m
$393
Showing 1-10 of 24 resultsSorted by cheapest first
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.
LAX-BUF
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
IR9-BUF
LAX-BUF
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 June 11, 2026.
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.
How much does it cost to fly round-trip from Irvine to Buffalo?
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 June 11, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited 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.
Entertainment
7.5
Overall
7.9
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
7.9
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
7.9
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
7.9
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
7.9
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
7.9
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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
Amherst
Batavia
Williamsville
Orchard Park
Eden
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
Buffalo flight routes
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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.
Other flights to Buffalo
Explore flights to Buffalo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 11, 2026.
Complete your trip
Complete your trip to Buffalo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Irvine to Buffalo by cabin class
Find flights from Irvine to Buffalo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Irvine and Buffalo flights
Browse other Irvine and Buffalo flight options. Last updated on June 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Irvine to Buffalo flights
Consider these flights traveling from Irvine to Buffalo.
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 June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$117 | Average$247 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$454 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$176 | Average$414 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$192 | Average$389 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$226 | Average$366 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$256 | Average$351 | FlexibilityNo cancel fee | On-timeN/A |