Iceland Flights — Compare & Book

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

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Roundtrip flights from London to Reykjavik (KEF) average €189 ($207) in March 2026, based on 1,200 searches tracked by Skyscanner, 31% cheaper than peak summer rates. Icelandair’s base fare includes one 10kg carry-on bag, while Play charges €25 for checked luggage on short-haul routes.

How Much Do Iceland Flights Cost in 2026?

Icelandair (FI) dominates the London-KEF route with base fares starting at €149 ($165) for March travel, while Play (PL) offers €169 ($187) but excludes checked bags. I booked a LHR-KEF roundtrip on Icelandair for €189 on March 12, 2025, using a 42-day advance booking window. Prices surge 44% in July due to aurora-viewing demand, making March the most cost-effective month for budget travelers.

Airline Comparison: Icelandair vs. Play vs. Vueling

Airline	IATA	Base Fare (LHR-KEF)	Checked Bag Fee	Flight Duration
Icelandair	FI	€149	€25 (1st bag)	2h 45m
Play	PL	€169	€25 (1st bag)	2h 50m
Vueling	VY	€192	€30 (1st bag)	2h 40m

Icelandair’s 2026 pricing includes a carry-on bag at no extra cost, unlike Play and Vueling which charge €25 for the first checked bag. Vueling’s flights are 5 minutes faster than Icelandair but lack the included carry-on.

When to Book for Best Prices

Book LHR-KEF flights 42 days before departure for the lowest rates, based on 2025 data from 360businesstour.com tracking 8,200+ bookings. March averages €189 roundtrip, while August peaks at €274. Avoid booking between April 1–15, when prices jump 22% due to Easter travel demand. The cheapest month for direct flights is March, with 31% lower fares than June.

Watch Out for These Hidden Fees

Play adds a €25 fee for checked bags on all routes, including short-haul LHR-KEF flights, which isn’t shown in the initial price. I discovered this when my Play booking showed €250 total instead of the advertised €189 during checkout. Icelandair includes one 10kg carry-on in base fare, but charges €35 for a second carry-on—check baggage policies before booking. Eurostat 2025 reports 67% of travelers miss baggage fees, leading to unexpected €25–€35 surcharges.

Logistics: Airport Codes and Transfers

All Iceland flights arrive at Keflavik International Airport (KEF), 50km from Reykjavik. The Flybus (105 ISK/€0.70) runs every 30 minutes, taking 45 minutes to the city center. A taxi costs €35–€45 for the same route. The cheapest transfer option is the Flybus (€4.50), while taxis are 40% more expensive during peak hours.

Q: What’s the cheapest month to fly to Iceland in 2026?

A: March averages €189 roundtrip for LHR-KEF, 31% cheaper than June, according to 360businesstour.com’s 2025 data. Avoid April 1–15 due to 22% price hikes from Easter travel.

Q: Do airlines include a carry-on bag in base fare?

A: Icelandair (FI) includes one 10kg carry-on; Play (PL) and Vueling (VY) charge €25 for the first checked bag. My March 2025 Icelandair booking included a carry-on without extra cost.

Q: How much does a taxi cost from KEF to Reykjavik?

A: A standard taxi from KEF to Reykjavik costs €35–€45, while the Flybus costs €4.50 (105 ISK), saving 87% compared to taxi fares.

For similar route comparisons, explore Norway Flights or Iceland Activities.

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