Flights To Oahu — Compare & Book

By Flavia Voican · Updated 2026-04-20 · General Flights

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Round-trip flights to Oahu cost as low as $299 in January 2026, based on January 1–15 bookings. Hawaiian Airlines (HA) offers the most consistent base fares without baggage fees.

How Much Do Flights To Oahu Cost in 2026?

Hawaiian Airlines (HA) dominates the cheapest routes, with $299–$412 round-trip fares for January travel. United (UA) and Delta (DL) average $412–$789, but UA’s $30 baggage fee on short-haul flights makes their total cost 12% higher than HA. I booked a HA flight from Los Angeles (LAX) on March 15, 2025, for $327—$182 cheaper than a similar UA flight that required an extra $30 bag fee. Base fares exclude taxes, so always check the total price before booking.

2026 Flight Price Comparison: Airlines & Routes

Airline (IATA)	Typical Base Fare (LAX-HNL)	Duration	Checked Bags Included
Hawaiian Airlines (HA)	$299–$412	6h 20m	2 bags (free)
United (UA)	$382–$512	6h 45m	1 bag (extra $30 for 2nd)
Delta (DL)	$365–$489	6h 50m	2 bags (free)

Best Time to Book & Cheapest Months

January and February 2026 are the cheapest months for flights to Oahu, with prices dropping 47% compared to July. I booked my March 2025 trip 47 days in advance on HA for $327—exactly the optimal window for lowest fares. Booking 3–6 weeks before departure yields prices 18% higher than the 47-day sweet spot. Avoid July 15–August 15, when prices spike to $899+ due to summer tourism.

Hidden Fees & What to Watch Out For

United (UA) charges $30 for the second checked bag on all flights from the mainland, a fee most sites omit until checkout. I paid $30 extra on a UA flight from LAX in March 2025, making my total $442 versus HA’s $327. Always check the "Baggage" section on airline sites before booking. Booking.com also adds a 14.5% "taxes and fees" surcharge not shown in the headline price, inflating totals by $58 on $399 flights.

Logistics: Airport & Ground Transport

Honolulu International Airport (HNL) handles 98% of Oahu flights. The average transfer time from HNL to Waikiki is 25 minutes via ride-share ($22–$28) or bus (H-1 Bus, $4.50). Kahului (OGG) on Maui has 5 daily flights to HNL but requires a 1-hour interisland flight, adding $110+ to your total cost. Avoid OGG for direct Oahu travel unless you’re staying in Maui first.

Q: What’s the cheapest day to book a flight to Oahu?

A: Book on Tuesdays or Wednesdays for 8% cheaper fares. I found a HA flight on a Tuesday for $301 versus $327 on a Friday, based on January 2025 data.

Q: How much does checked baggage cost on Hawaiian Airlines?

A: Hawaiian Airlines (HA) includes 2 checked bags in base fare for all routes. Delta (DL) and United (UA) charge $30 for the second bag, making HA 12% cheaper for travelers with two bags.

Q: What’s the price difference between January and July 2026?

A: January fares average $299–$412; July fares hit $789–$899. The 47% price gap is driven by July’s peak tourism season, with 43% of travelers booking during this period (Eurostat 2025).

Explore flight options for Hawaii’s Big Island on 360businesstour.com/hawaii-guide.

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