You’ve seen the neon photos and heard the stories — now you’re ready to book flights to Las Vegas, but the key is knowing when to go and how to save. With Aer Lingus now operating direct flights from Dublin to Las Vegas in about 10 hours, the journey is shorter than you think and cheaper than you might expect if you pick the right month.

4 related posts

Cheapest month to fly to Las Vegas: January ·
Cheapest day to fly: Tuesday ·
Average round-trip fare from Dublin: €500 ·
Flight time from Dublin to Las Vegas: 10 hours ·
Budget for 5 days (mid-range): $2,000

Quick snapshot

1Confirmed facts
2What’s unclear
  • Effectiveness of the $20 trick varies by hotel and season (momondo)
  • Exact budget for 5 days depends on individual spending and flight timing (Skyscanner)
3Timeline signal
  • Book about two months ahead for the best Dublin-to-Las Vegas fares (Skyscanner)
4What’s next
  • Compare airline options and book your preferred dates (Skyscanner)
The upshot

The cheapest combination — January departure on a Tuesday with a two-month advance booking — can cut your round-trip fare to well under €500. That frees up cash for the Strip.

Six key figures tell the story at a glance.

Category Detail
Average round-trip fare from Dublin €500
Direct flight duration 10 hours
Popular airline for direct flights Aer Lingus
Cheapest month January
Cheapest day Tuesday
Common budget for 5 days $2,000

What’s the cheapest month to fly to Vegas?

What is the cheapest day to fly to Las Vegas?

  • According to momondo, Tuesdays and Wednesdays consistently show the lowest fares from Ireland to Las Vegas.
  • Skyscanner data confirms that departing midweek can reduce round-trip prices by up to 15 % compared to weekend flights (Skyscanner (travel search engine)).

Why is January the cheapest month?

January sees a sharp drop in tourism demand after the holiday rush and before spring conventions. momondo reports that January 2025 fares from Ireland to Las Vegas average 30 % lower than peak months like July. The trade-off: cooler weather and fewer pool parties — but also thinner crowds and lower hotel rates.

Why this matters

A traveler from Dublin booking in January on a Tuesday could save over €200 compared to a Friday departure in July. That gap alone covers two nights at a mid-range hotel.

The pattern: winter weekdays are the sweet spot. The catch is the limited nonstop schedule — fewer direct flights operate in low season, but the savings offset the trade‑off.

Can you fly direct from Ireland to Las Vegas?

Which airlines operate direct flights from Ireland to Las Vegas?

  • Aer Lingus is the primary carrier offering direct Dublin–Las Vegas service, according to Skyscanner (travel search engine).
  • momondo lists WestJet, British Airways, and Turkish Airlines among the most popular carriers on the route, though each involves at least one stop.

What is the flight time for direct flights?

The direct Aer Lingus flight covers Dublin to Las Vegas Harry Reid International Airport in approximately 10 hours, per Skyscanner. That’s shorter than flying to many U.S. West Coast cities and just a single leg.

The paradox

Direct is fastest, but not always cheapest. Connecting flights through London or Reykjavik can undercut the nonstop fare by €100 or more, adding 2–4 hours in layovers. Budget‑conscious travelers should compare both options.

The implication: Irish travelers now have a genuine direct option. The real choice is between time saved and money saved — and neither is a bad bet.

How long is the flight from Dublin to Las Vegas?

What factors affect flight time?

  • Tailwinds and route routing can vary; Skyscanner notes that direct flights range between 9 hours 45 minutes and 10 hours 30 minutes.
  • momondo quotes a fastest time of 13 hours 5 minutes for the Ireland–Las Vegas route when including a connection.

Are there layover options?

Yes. Flights with one stop (commonly in London Heathrow, Amsterdam Schiphol, or Reykjavik Keflavik) typically take 12–15 hours total, as reported by momondo. These can be cheaper but add fatigue — factor that into your budget.

The trade‑off: a direct flight means you land fresh and can hit the blackjack tables within an hour. A stopover may save €100–€150, but costs you half a day.

What is the $20 trick at Vegas hotels?

Does the $20 trick still work?

  • It works at many properties but success depends on the hotel, front desk agent, and occupancy, according to momondo.
  • High‑end resorts on the Strip are less likely to upgrade than mid‑range hotels like the Flamingo or Harrah’s.

How to perform the $20 trick

When checking in, slip a $20 bill between your credit card and ID. Smile, make eye contact, and politely ask if any complimentary upgrades are available. If a room is free, many clerks will slide it to you. If not, you get the $20 back. The key: be courteous and don’t demand.

The catch

Digital check‑in kiosks and mobile apps are bypassing front desks. If you can’t interact with a human, the trick won’t work. Choose regular check‑in if you plan to try it.

The pattern: it’s a low‑risk, low‑stakes hack. The upside is a free suite or waived resort fee; the downside is a polite “no.” Worth a shot for every budget traveler.

Is $2000 enough for 5 days in Vegas?

What are the main costs for a 5-day Vegas trip?

  • Flights from Dublin start around €500 round‑trip (Skyscanner).
  • Mid‑range hotel: $100–$150 per night, total $500–$750 for five nights.
  • Food: $40–$60 per day with buffets and happy hours = $200–$300.
  • Entertainment: shows, drinks, and casino minimums can add $200–$400.

How to save money on a Vegas trip

Fly midweek, use the $20 trick, eat at off‑Strip diners, and book activities in advance. Skyscanner data shows that booking 60 days out can shave 10–15 % off the airfare. Combined with a budget hotel and modest spending, $2,000 is enough for a comfortable trip — as long as you avoid high‑roller impulse decisions.

What this means for the Irish traveler: $2,000 is workable, but it leaves no buffer for splurges. If you want shows, a helicopter tour, or fine dining, plan on $2,500–$3,000.

What we know and what’s unclear

Confirmed facts

  • Aer Lingus operates direct Dublin–Las Vegas flights
  • January is the cheapest month to fly from Ireland
  • Round‑trip fares from Dublin start around €500

What’s unclear

  • Whether the $20 trick works at any specific hotel on any given day
  • Exact budget needed — spending habits vary widely
  • Future airline competition on the route may change fares
  • Tuesdays are the cheapest day of the week (based on limited data)
  • Midday departures often yield better prices (mixed evidence)

Pros and cons of flying to Las Vegas

Upsides

  • Direct flights from Dublin cut travel time to ~10 hours
  • Low season (January) offers huge fare discounts
  • Midweek departures save money and avoid crowds
  • $20 trick can upgrade your hotel at low cost

Downsides

  • Direct flights are limited to specific days (Wednesday, Friday)
  • Weekend departures can double the fare
  • Hidden fees (resort fees, baggage) can add $100+
  • Budget of $2,000 leaves little room for extras

For the Irish traveler hunting cheap flights to Las Vegas, the winning formula is clear: book a Tuesday departure in January, two months in advance, and try the $20 trick at check‑in. Do that, and your €500 flight plus five‑day budget of $2,000 will deliver a full Vegas experience without the hangover of overspending. The alternative — flying on a Friday in July — will cost you twice as much and deliver the same neon lights.

Additional sources

kayak.com, asaptickets.com, expedia.com, irelandonabudget.com

For travelers based in Ireland, prices have become especially competitive, with round-trip flights from Dublin now starting at around €227 according to a recent guide.

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Frequently asked questions

What airlines fly to Las Vegas from the US?

Major U.S. carriers include Delta, Southwest, United, American, and Allegiant. From Europe, Aer Lingus, British Airways, WestJet, and Turkish Airlines serve the route (with or without stops).

How can I find the cheapest flights to Las Vegas?

Use price comparison tools like Skyscanner and momondo, set fare alerts, and be flexible with dates. Booking 60 days ahead and flying midweek helps.

Are there direct flights to Las Vegas from the UK?

Yes. Virgin Atlantic and British Airways fly direct from London Heathrow to Las Vegas, with flight times around 10–11 hours.

What is the best time to book flights to Las Vegas?

Skyscanner recommends booking about two months in advance for the lowest fares from Dublin. For the UK, 6–8 weeks ahead is often ideal.

Is it cheaper to fly into Las Vegas or Phoenix?

Las Vegas is usually cheaper because it’s a larger hub. Phoenix is about a 4.5‑hour drive away and may have lower fares in high season, but you’ll pay for the rental car.

What travel documents do I need for a trip to Las Vegas?

EU citizens need a valid passport and an ESTA authorisation (valid for two years). Ensure your ESTA is approved before booking.

Can I fly to Las Vegas on a weekend for less?

Weekend flights are the most expensive. If you must depart Friday, consider a late‑night flight or red‑eye to reduce costs.

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