Business class flights from Phoenix (PHX) to Reykjavik (KEF) start from $2,400 round-trip — up to 40% below published airline prices. The ~9 hours journey covers 4,150 miles, with 3 airlines offering lie-flat seats on this route. Best time to book: 3–6 months in advance for best fares.
Phoenix to Reykjavik business class fares start at $2,400 round-trip, with airlines including American Airlines, Delta Air Lines, United Airlines. The ~9 hours flight covers 4,150 miles. Peak season: June–August, December. Best value: January–March, November. Book through BestBusinessClass.com to save up to 40%.
From$2,400
Top AirlinesAmerican Airlines · Delta Air Lines · United Airlines
Flight Time~9 hours
Best MonthsJanuary–March
Route Intelligence
Business Class from Phoenix to Reykjavik
Business class fares from Phoenix to Reykjavik run $2,400–$6,050 round-trip through BestBusinessClass.com, and since PHX has no nonstop service to Iceland, every itinerary connects through a US gateway like Dallas, Charlotte, Atlanta, Minneapolis, Houston, or Chicago before the roughly 9-hour transatlantic leg. That connection actually works in travelers' favor — it means access to three strong business class products (American, Delta, United) rather than being limited to a single carrier's metal, and it opens up lounge access at the connecting hub before the long overnight flight to Keflavík.
Airlines & Cabin Experience
Reykjavik draws a specific kind of traveler: people chasing the Northern Lights between September and April, soakers heading to the Blue Lagoon and the newer Sky Lagoon, and adventure travelers using Iceland as a base for glacier hikes, ice caves, and the Golden Circle loop. Because Iceland sits almost directly on the great circle route between the US and Europe, it's also popular as a stopover en route to the rest of Europe — some travelers book Phoenix to Reykjavik business class as the first leg of a longer trip and break the journey for a few days before continuing on.
Pricing & Best Time to Fly
On the airline side, American's Flagship Business gives you a lie-flat suite in 1-2-1 configuration, Flagship Lounge access at the connecting hub, and Casper bedding — a solid, no-surprises product. Delta One Suite is the standout for privacy seekers, with a suite door that actually closes, the same 1-2-1 layout, and a well-stocked Tumi amenity kit; if you want to sleep undisturbed on the overnight sector, this is the cabin to target. United Polaris rounds out the field with a lie-flat pod, also 1-2-1, Polaris lounge access at hubs like ORD and IAH, and Saks Fifth Avenue bedding. All three are genuinely comparable in comfort, so pricing and connection convenience often end up being the deciding factor more than the hardware itself.
Why Book Through BestBusinessClass.com
Pricing on Phoenix to Reykjavik business class swings hard by season. January, February, and March are the sweet spot — Iceland's off-peak winter months bring lower fares and, not coincidentally, the best Northern Lights viewing, so you get the cheapest tickets during the most interesting time to visit. October and November offer a similar discount window before winter holiday demand kicks in. Booking through a consolidator matters here because these are wholesale rates airlines don't publish on their own sites or on Expedia — clients typically save 30-60% off retail business class fares on this route, and the difference between a $2,400 fare and a $6,050 fare on the same route is almost always about how far out you book and which connection you're flexible on.
Travel Tips
A few practical notes for this specific itinerary: because you're flying eastbound overnight, arriving into Keflavík early morning local time, picking a Delta One Suite or a red-eye-friendly American or United connection with enough layover buffer (90+ minutes, ideally more in winter given occasional weather delays at ORD or MSP) makes a real difference in how rested you land. Also worth flagging: KEF's arrivals hall can back up during peak Northern Lights season, so business class fast-track immigration, where available, is worth using.