💰 When is the cheapest time to fly from Denver to Honolulu?
This month: May sits at $358 - late spring shoulder. Mother's Day bumps week.
September is the cheapest month on Denver-Honolulu at $318 round-trip economy - the annual floor. February ($338) and October ($338) are close seconds, sitting 46% below December's $628 peak. The most expensive month is **December.
📊 Price trends: Denver to Honolulu
Round-trip economy estimates across the next 12 months. Use the chart to spot the cheapest window before locking in dates.
Cheapest month
Sep · $141
Peak month
Jan · $217
Source: Aviasales · Prices are round-trip economy estimates · Updated May 2026
✈️ Which airlines fly from Denver to Honolulu?
Four airlines fly nonstop Denver to Honolulu in 2026. United dominates frequency from its Concourse B exclusive (72 gates); Southwest holds the budget end from its 40-gate Concourse C base; Hawaiian (AS-coded post-April 22 merger) brings the most authentic island onboard experience; Delta runs a seasonal premium overlay. **No ultra-low-cost.
The most authentically Hawaiian onboard product on the route. Mai tai welcome in First, complimentary Aloha meal service in every cabin, Mauna Loa macadamia nuts, and on 787-9 days a Polynesian-navigation star ceiling in 1-2-1 lie-flat. **Extra Comfort adds 4.
Best for: honeymoon couples, retirees, anyone wanting the Hawaii vibe at boarding
The route's frequency king and lounge depth leader. Concourse B is United-exclusive: 72 gates, four double jetways. United Club on B's mezzanine is the route's most accessible premium lounge. When United substitutes the 787-9 onto a peak-day departure (late December.
Best for: United loyalists, lie-flat seekers on peak days, deep-lounge fans
The bag-math winner and the route's de facto budget option. Concourse C holds 40 Southwest gates - Southwest's largest gate count anywhere. Open-seating boarding; family boarding between A and B secures window-aisle pairs without EarlyBird. **Two checked bags free on.
Best for: Colorado families, surfers, heavy packers
The seasonal premium-frequency player. Delta operates DEN-HNL only during peak windows - mid-December through mid-April and June through August. Off-peak routes via LAX or SEA add 3-4 hours. When Delta substitutes the 767-300ER on holiday peaks, the route gets **Delta.
Best for: SkyMiles flyers, Medallion elites, Delta One Suites seekers
Mubboo verdict: Hawaiian/AS A330 is the default for the on-board Aloha. United Polaris on peak-day 787 days is the lie-flat play. Southwest wins on bag math for families.
Prices shown are approximate averages based on recent searches (April 2026). Actual fares vary by date, class, and availability.
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We compare prices from airlines and travel platforms so you can find the best deal.
Compare all flights →📅 When should you book Denver to Honolulu flights?
Denver-Honolulu is a stable, mature route with 4 carriers operating year-round nonstop (Delta seasonal). Competition is thinner than LAX-HNL (4 vs 6 airlines) - timing matters more.
Sweet spot: 6-8 weeks before departure for shoulder months (February, September, October); for December holiday and July school-break weeks, book 10-12 weeks ahead as fares climb $40-60 per week in the final month. Spring break (mid-March) needs booking by mid-January. Tuesday/Wednesday departures average 15-20% cheaper than Friday-Sunday peak.
M says: May is the year's most underrated DEN-HNL month for couples.
If you're a family flying in summer, book by March — peak season fills up fast.
Budget travelers: shoulder season (Sep–Oct, Apr–May) offers the best balance of price and weather.
💡 This May: September's $318 is cheaper if you can wait; otherwise May is the.
🎟️ Top activities in Honolulu
Ranked by traveler ratings and recent booking volume.
Private 1-on-1 Surf Lesson with Videos and Photos
$160Source: Viator · Prices in USD · Affiliate links — Mubboo may earn a commission.
✈️ Travel tips for Denver to Honolulu
REAL ID is required for domestic US flights as of May 2025 - a Colorado driver's license without the gold star will be rejected at TSA; a US passport is the universal alternative.
DEN concourse map for Hawaii flyers:
- Concourse B (United) - 72 gates, four double jetways
- Concourse C (Southwest + Hawaiian/AS) - 40 Southwest gates (largest base anywhere)
- Concourse A (Delta seasonal + intl) - bridge to the Westin Denver hotel
TSA runs three checkpoints; Concourse B passengers should use West for shortest waits.
The Hawaii agriculture form is distributed 30-45 minutes before HNL arrival, one per family, both sides, collected at deplaning. Have a pen accessible.
Bag math: Southwest includes two free checked bags ($160 RT savings; $640 for a family of four). United/Delta: $40 first + $50 second; Hawaiian/AS: $30/$40. Surfboard bags travel free on Southwest within 80 linear inches.
Mainland-Hawaii flights are domestic - no immigration, no customs at HNL.
☁️ Honolulu climate overview
Best: Jan, Feb, Mar, Apr, May, Nov, DecHistorical highs, lows, and rainfall by month. Plan packing and outdoor time around the extremes.
Jan
79°/67°F
4.2″ rain
Feb
79°/65°F
1.7″ rain
Mar
80°/69°F
1.5″ rain
Apr
80°/69°F
2.9″ rain
May
82°/71°F
1.4″ rain
Jun
84°/73°F
0.8″ rain
Jul
85°/73°F
1.0″ rain
Aug
86°/74°F
0.3″ rain
Sep
86°/74°F
0.9″ rain
Oct
84°/73°F
1.4″ rain
Nov
82°/71°F
1.0″ rain
Dec
79°/69°F
3.2″ rain
Source: Open-Meteo Archive API · 2025 historical data · Updated May 2026
✈️ Ready to book? Compare Denver to Honolulu flights
Search flights →🛫 Flying from Denver — airport tips
DEN Concourse B - United Airlines exclusive (United)
- 72 gates, four double jetways, deepest United Club at DEN
- TSA West Checkpoint - shortest waits for B passengers on morning peaks
- Premier Access lane bypasses standard TSA for Premier/Polaris/First
DEN Concourse C - Southwest plus Hawaiian/AS (Southwest / Hawaiian (AS-coded))
- 40 Southwest gates - the airline's largest base anywhere; open-seating (A1-C60)
- Family boarding after A, before B - window-aisle pairs without EarlyBird
- Root Down DEN is the Concourse C signature Denver-local restaurant
DEN Concourse A - Delta plus international (Delta (seasonal))
- Sky Club access for Medallion Gold+ and Amex Platinum
- Pedestrian bridge to the Westin Denver hotel - only concourse with that connection
- Delta DEN-HNL is seasonal (Dec-mid-April, Jun-Aug); off-peak via LAX or SEA
HNL Terminal 2 - mainland arrivals (All mainland carriers (UA / WN / DL / Hawaiian-AS))
- Have a pen accessible - USDA agriculture form collected at deplaning
- Baggage claim one floor down; rideshare pickup two floors up
- Wiki Wiki Shuttle (free) connects to Terminal 1 for Hawaiian inter-island flights
💡 Insider tips: Denver to Honolulu
Have a pen ready before HNL landing - the USDA agriculture form is the route's #1 gotcha
Hawaii Department of Agriculture requires every westbound passenger to complete a declaration form before HNL arrival. Cabin crew distribute it 30-45 minutes before landing - one per family, both sides.
Southwest's free-2-bag policy saves a family of four ~$640 round-tripMubboo original data
Southwest's Wanna Get Away includes two checked bags free on every Hawaii ticket - $160 round-trip saved per traveler versus United/Delta's $40+$50 fees. **For a family of four, ~$640 saved.
DEN's West Security Checkpoint is the quietest TSA hub - default for Concourse BMubboo original data
DEN runs three TSA checkpoints - North, South, and the newer West. South is busiest by 7am (rideshare/curbside default). West is the newest and least-known - closest to Concourse B.
Hawaiian Extra Comfort buys 4 inches of legroom for $80-120 per direction
Hawaiian's Extra Comfort cabin sits between Main Cabin and First - premium economy in everything but name. Spec: 35-inch pitch (4 more than Main Cabin's 31), 18.5-inch width, 15.5-inch recline.
Polaris 787-9: book bulkhead row 1 - row 5 windows are misaligned
When United substitutes the 787-9 onto a peak-day DEN-HNL departure (Dec 20-Jan 5 and second half of July), Polaris business becomes available - the only true lie-flat on the route.
👥 Who flies this route — and what they should know
Denver honeymoon couple shoulder season
Featured this monthRecommended: Hawaiian (AS-coded) Extra Comfort both directions.
September or October targets the $318-358 economy floor; Extra Comfort runs $80-120 per direction for 4 extra inches of legroom (35-inch pitch) plus priority boarding.
The post-April-22-2026 merger preserved the Hawaiian on-board experience - lei greetings, Aloha meal service, Mauna Loa macadamia nuts, and on 787-9 days a Polynesian-navigation star ceiling.
Base in Waikiki or Kahala for resort privacy. Skip spring break mid-March - fares jump to $478.
Colorado family of four first Hawaii trip
Recommended: Southwest Wanna Get Away Plus with family boarding.
June or early July targets the mid-summer window before peak July 4 surge; late August captures back-to-school shoulder.
Southwest's two-checked-bags-free policy saves ~$640 round-trip versus United/Delta for a family of four. Family boarding between Group A and B secures window-aisle pairs without EarlyBird.
Concourse C is Southwest's largest base anywhere (40 gates). Base at Ko Olina (Aulani) or Sheraton Waikiki for Hanauma Bay day trips.
Mountain-West retiree wintering Oahu
Recommended: Hawaiian (AS-coded) First Class on 787-9 days or Premier recliner on A330-200.
February targets the $338 economy floor; First Class runs $1,600-2,200 round-trip. Alaska Mileage Plan elite status post-merger unlocks inter-island upgrade priority.
On 787-9 days, 1-2-1 lie-flat delivers the route's most luxurious cabin (mai tai welcome, curry braised beef brisket). On A330-200, 2-2-2 lie-flat is excellent for couples.
Two-week multi-island trip totals $3,500-5,500 all-in.
North Shore surfer winter swell chaser
Recommended: Southwest Wanna Get Away economy with surf bag as checked luggage.
November-February targets Vans Triple Crown swells at Pipeline and Sunset Beach.
Southwest counts surfboard bags within 80 linear inches as one of two free checked bags on Hawaii routes - $200+ saved each way versus United's oversize fee.
Rent at HNL CONRAC and drive 35 minutes north on H2 then Kamehameha to Haleiwa or Pupukea - 15 minutes from Pipeline. Water stays 77F through Dec-Jan; pack a light wetsuit top for dawn patrol.
DEN United MileagePlus loyalist
Recommended: United Polaris business on 787-9 substitution days or United First on 737-900ER/757-200. Target late December (Dec 20-Jan 5) or mid-July for the 787 - the peak windows when United pulls the widebody. Polaris 787-9 bulkhead row 1 has the largest foot wells; avoid row 5 window seats - windows misaligned. United Club on Concourse B's mezzanine is the deepest lounge at DEN. Premier Access at TSA West bypasses standard lines. Base at Marriott or Hyatt Regency Waikiki. Polaris with United miles is 80K saver.
⚖️ Flight delayed or canceled?
US DOT rules apply: airlines must refund canceled flights in cash (not vouchers) per the October 2024 Final Rule. For significant delays, carriers must rebook on the next available flight at no extra charge. Meal and hotel policies vary - United, Hawaiian/AS, and Delta are most generous; Southwest provides the legal minimum. With 4 daily-nonstop carriers, rebooking options are usually available within 24 hours. EU 261 does NOT apply -.
What Travelers Are Saying About Honolulu
Based on recent discussions from r/travel, r/flights, and honolulu community subreddits • Updated May 2026
⚠️ Common Concerns
- r/Hawaii · 2 posts
Affordable housing developments in Honolulu are priced beyond reach for average residents despite being labeled affordable.
— “Affordable units require high income, making them inaccessible to most”
- r/Hawaii · 2 posts
Finding trustworthy service providers in Honolulu is challenging due to high-pressure sales and questionable business practices.
— “Hard to trust again after being sold unnecessary services”
💡 Trending Tips
- r/Hawaii · 2 posts
When shipping vehicles to or from Honolulu, ensure registration is current to avoid delays during the transport process.
— “Keep registration valid to prevent vehicle getting stalled during shipping”
- r/Hawaii · 2 posts
Alaska Airlines passengers traveling with pets from Honolulu should prepare for strict carrier requirements and check-in procedures.
— “Research carrier size rules and pet turn-around requirements beforehand”
Themes synthesized from public Reddit discussions. Quotes are paraphrased — never copied verbatim.
Frequently asked questions about Denver to Honolulu flights
September is cheapest at $318 round-trip economy, with February ($338) and October ($338) close behind - roughly 50% below December's $628 peak. February is a Mountain-West value window: Colorado ski demand pulls Denver flyers toward Vail/Aspen, leaving DEN-HNL fares soft.
Popular Honolulu routes
🎟️ Things to do in Honolulu
2,719 activities · Live data from Viator
Hawaii Volcanoes, Waterfalls, Beaches & Hilo Highlights Day Tour
First Day Must: Oahu Sunrise & Circle Island Adventure
Private Stand Up Paddle Boarding Tour in Turtle Town, Maui
Maui Circle Island-PRIVATE-Air Tour for 2-5: Waterfalls & Lava!
Voted #1 on Maui. VIP, Private Road to Hana backstage pass tour
Marine Biologist Guided Snorkel Tour from Shore at Turtle Town
Researched by Mubboo Editorial Team · Reviewed by Richard Lee, Founder
Prices from Aviasales. Seasonal advice updated: May 2026 · Last editorial review: 2026-05-19 · Government info: travel.state.gov
M verdicts are based on editorial research — not pulled from a database.