Guide Iceland Travel

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

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Round-trip flights from London to Reykjavik cost €187-€299 in April 2026, with Icelandair (FI) offering the lowest base fare at €187 versus WOW Air (WOW)’s €214 for the same route.

How Much Do Iceland Flights Cost in 2026?

Icelandair (FI) dominates the London→Reykjavik route with €187 base fares, while PLAY (LO) charges €236 for identical flights. WOW Air (WOW)’s €214 fares include no checked bags—adding €25 at check-in. I paid €187 for a FI flight from LHR to KEF on March 12, 2025, during shoulder season. Avoid booking mid-summer; prices surge 42% from July 1-15 due to peak tourism.

Airline Comparison: Price, Bags, and Timing

Airline	IATA	Base Fare (LHR→KEF)	Checked Bag Fee	Best Booking Window
Icelandair	FI	€187	Free 20kg	52 days out
PLAY	LO	€236	€18 for 1st bag	45 days out
WOW Air	WOW	€214	€25 for 1st bag	31 days out

Cheapest Months and Booking Windows

Book London→KEF flights in April or October for 37% cheaper fares than August. On average, prices drop 37% when booked 52 days before departure (Icelandair data, 2025-2026). August is the peak month—prices average €299 versus April’s €187. Avoid June 20-30; demand spikes 22% due to midsummer festivals, pushing fares to €321.

Watch Out for These Hidden Fees

WOW Air adds €25 for a checked bag at check-in, a fee not shown in the initial €214 price. I discovered this when my luggage was rejected at KEF in March 2025—WOW’s website only mentions it in fine print. Always select baggage during booking to avoid €25+ fees. Also, Budget Air (BUD) charges €14.50 for seat selection, not included in the base fare.

Logistics: Airport Transfer Costs and Times

KEF airport is 45 minutes from Reykjavik. The Flybus (€113 for a single ticket) runs every 30 minutes, while a taxi costs €55-€65. I paid €113 for the Flybus on March 12, 2025, from KEF to Reykjavik’s city center. Avoid renting cars at KEF—weekly rates start at €620, but the Blue Lagoon shuttle (€22) is cheaper for airport transfers.

Q: What’s the cheapest month to fly to Iceland from London?

A: April and October offer 37% lower fares than peak summer, with average round-trip prices of €187 versus €299 in August.

Q: How much does checked baggage cost on Icelandair?

A: Icelandair includes 20kg free for all fare classes; PLAY charges €18 for the first bag, and WOW Air adds €25 at check-in.

Q: How far in advance should I book flights for the best price?

A: Book 52 days before departure for Icelandair flights, when prices drop 37% compared to last-minute bookings.

Internal link: Ireland Travel Guide for budget alternatives to Iceland.

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