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445 € Cheap Flights from St Louis to Reykjavik

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      Travellers and cabin class, 1 Adult, Economy

      Compare St Louis to Reykjavik flight deals

      Find the cheapest month or even day of the year to fly to Reykjavik

      Book the best Reykjavik fare with no extra fees

      Flight deals from St Louis to Reykjavik

      Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Reykjavik? If you want to travel next month, return fares start from 712 €. Find the lowest prices on one-way and return tickets right here.
      Reykjavik.445 € per passenger.Departing Sat, 24 Oct, returning Thu, 29 Oct.Return flight with Frontier Airlines and Icelandair.Outbound indirect flight with Frontier Airlines, departs from St Louis on Sat, 24 Oct, arriving in Reykjavik Keflavik.Inbound indirect flight with Icelandair, departs from Reykjavik Keflavik on Thu, 29 Oct, arriving in St Louis.Price includes taxes and charges.From 445 €, select.
      Reykjavik.465 € per passenger.Departing Sun, 6 Sep, returning Wed, 16 Sep.Return flight with Frontier Airlines and Icelandair.Outbound indirect flight with Frontier Airlines, departs from St Louis on Sun, 6 Sep, arriving in Reykjavik Keflavik.Inbound indirect flight with Icelandair, departs from Reykjavik Keflavik on Wed, 16 Sep, arriving in St Louis.Price includes taxes and charges.From 465 €, select.
      Reykjavik.471 € per passenger.Departing Thu, 29 Oct, returning Wed, 4 Nov.Return flight with Frontier Airlines and Icelandair.Outbound indirect flight with Frontier Airlines, departs from St Louis on Thu, 29 Oct, arriving in Reykjavik Keflavik.Inbound indirect flight with Icelandair, departs from Reykjavik Keflavik on Wed, 4 Nov, arriving in St Louis.Price includes taxes and charges.From 471 €, select.
      Reykjavik.594 € per passenger.Departing Sun, 1 Nov, returning Mon, 9 Nov.Return flight with Frontier Airlines and Icelandair.Outbound indirect flight with Frontier Airlines, departs from St Louis on Sun, 1 Nov, arriving in Reykjavik Keflavik.Inbound indirect flight with Icelandair, departs from Reykjavik Keflavik on Mon, 9 Nov, arriving in St Louis.Price includes taxes and charges.From 594 €, select.
      Reykjavik.712 € per passenger.Departing Thu, 13 Aug, returning Thu, 27 Aug.Return flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departs from St Louis on Thu, 13 Aug, arriving in Reykjavik Keflavik.Inbound indirect flight with WestJet, departs from Reykjavik Keflavik on Thu, 27 Aug, arriving in St Louis.Price includes taxes and charges.From 712 €, select.
      Reykjavik.782 € per passenger.Departing Thu, 27 Aug, returning Mon, 7 Sep.Return flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departs from St Louis on Thu, 27 Aug, arriving in Reykjavik Keflavik.Inbound indirect flight with WestJet, departs from Reykjavik Keflavik on Mon, 7 Sep, arriving in St Louis.Price includes taxes and charges.From 782 €, select.
      Reykjavik.883 € per passenger.Departing Wed, 31 Mar, returning Mon, 5 Apr.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from St Louis on Wed, 31 Mar, arriving in Reykjavik Keflavik.Inbound indirect flight with Air France, departs from Reykjavik Keflavik on Mon, 5 Apr, arriving in St Louis.Price includes taxes and charges.From 883 €, select.
      Reykjavik.905 € per passenger.Departing Fri, 21 May, returning Fri, 28 May.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Fri, 21 May, arriving in Reykjavik Keflavik.Inbound indirect flight with Delta, departs from Reykjavik Keflavik on Fri, 28 May, arriving in St Louis.Price includes taxes and charges.From 905 €, select.
      Reykjavik.907 € per passenger.Departing Fri, 28 May, returning Fri, 4 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Fri, 28 May, arriving in Reykjavik Keflavik.Inbound indirect flight with Delta, departs from Reykjavik Keflavik on Fri, 4 Jun, arriving in St Louis.Price includes taxes and charges.From 907 €, select.
      Reykjavik.927 € per passenger.Departing Tue, 28 Jul, returning Mon, 3 Aug.Return flight with Frontier Airlines and Air Transat.Outbound indirect flight with Frontier Airlines, departs from St Louis on Tue, 28 Jul, arriving in Reykjavik Keflavik.Inbound indirect flight with Air Transat, departs from Reykjavik Keflavik on Mon, 3 Aug, arriving in St Louis.Price includes taxes and charges.From 927 €, select.
      Reykjavik.1.107 € per passenger.Departing Fri, 26 Feb, returning Sat, 6 Mar.Return flight with Lufthansa and Icelandair.Outbound indirect flight with Lufthansa, departs from St Louis on Fri, 26 Feb, arriving in Reykjavik Keflavik.Inbound indirect flight with Icelandair, departs from Reykjavik Keflavik on Sat, 6 Mar, arriving in St Louis.Price includes taxes and charges.From 1.107 €, select.
      Reykjavik.1.178 € per passenger.Departing Fri, 5 Feb, returning Sat, 13 Feb.Return flight with Lufthansa and Icelandair.Outbound indirect flight with Lufthansa, departs from St Louis on Fri, 5 Feb, arriving in Reykjavik Keflavik.Inbound indirect flight with Icelandair, departs from Reykjavik Keflavik on Sat, 13 Feb, arriving in St Louis.Price includes taxes and charges.From 1.178 €, select.
      Reykjavik.1.214 € per passenger.Departing Tue, 22 Dec, returning Wed, 30 Dec.Return flight with Southern Airways Express and Icelandair.Outbound indirect flight with Southern Airways Express, departs from St Louis on Tue, 22 Dec, arriving in Reykjavik Keflavik.Inbound indirect flight with Icelandair, departs from Reykjavik Keflavik on Wed, 30 Dec, arriving in St Louis.Price includes taxes and charges.From 1.214 €, select.
      Reykjavik.1.328 € per passenger.Departing Mon, 1 Mar, returning Mon, 8 Mar.Return flight with Alaska Airlines and Icelandair.Outbound indirect flight with Alaska Airlines, departs from St Louis on Mon, 1 Mar, arriving in Reykjavik Keflavik.Inbound indirect flight with Icelandair, departs from Reykjavik Keflavik on Mon, 8 Mar, arriving in St Louis.Price includes taxes and charges.From 1.328 €, select.
      Reykjavik.1.333 € per passenger.Departing Fri, 25 Dec, returning Sat, 2 Jan.Return flight with Lufthansa and Icelandair.Outbound indirect flight with Lufthansa, departs from St Louis on Fri, 25 Dec, arriving in Reykjavik Keflavik.Inbound indirect flight with Icelandair, departs from Reykjavik Keflavik on Sat, 2 Jan, arriving in St Louis.Price includes taxes and charges.From 1.333 €, select.
      Reykjavik.1.787 € per passenger.Departing Fri, 15 Jan, returning Mon, 18 Jan.Return flight with Lufthansa and Icelandair.Outbound indirect flight with Lufthansa, departs from St Louis on Fri, 15 Jan, arriving in Reykjavik Keflavik.Inbound indirect flight with Icelandair, departs from Reykjavik Keflavik on Mon, 18 Jan, arriving in St Louis.Price includes taxes and charges.From 1.787 €, select.

      Find the cheapest month to fly from St Louis to Reykjavik

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Reykjavik flights are currently cheapest in October.
      Jul
      Find prices
      Aug
      from 712 €
      Sep
      from 465 €
      Oct
      from 445 €
      Nov
      from 594 €
      Dec
      from 1.214 €
      Jan
      from 1.787 €
      Feb
      from 1.178 €
      Mar
      from 1.328 €
      Apr
      Find prices
      May
      from 905 €
      Jun
      Find prices

      Alternative St Louis to Reykjavik routes

      Looking for the cheapest, fastest or easiest route from St Louis to Reykjavik? You could fly into the following airports instead.

      Reykjavik Domestic

      1km from central Reykjavik
      Closest
      Search flights

      Reykjavik Keflavik

      37km from central Reykjavik
      Cheapest
      from 445 €
      Search flights

      St Louis to Reykjavik: Flight information

      The things to know before you go.
      Cheapest flight found445 €
      Cheapest month to flyOctober

      Finding cheap flights from St Louis to Reykjavik: Frequently asked questions

      There are 2 airports in Reykjavik: Reykjavik Domestic and Reykjavik Keflavik.
      The best price we found for a return flight from St Louis to Reykjavik is 445 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from St Louis to Reykjavik. But we found flights with one or more stops from 445 €.
      As of July 2026, there are no flights flying from St Louis to Reykjavik.
      The cheapest month to fly from St Louis to Reykjavik is usually October.
      If you're flying from St Louis Airport, the cheapest airport near Reykjavik is Reykjavik Keflavik – which is 37.5 km away from the centre of Reykjavik. We've found flights into this airport from 445 €.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Reykjavik on Saturday, 24 October 2026.
      No airlines currently offer direct flights between St Louis Airport and Reykjavik. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Reykjavik but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Reykjavik is around 40 days in advance, so don’t leave your flight to the last minute.

      In July, the average temperature is usually around 11°C. July is typically the warmest month in Reykjavik, when it usually averages around 13°C. You can expect the least rain in June. The coldest month is January, with temperatures averaging -3°C. The rainiest month is February.
      Currently, Frontier Airlines offers the cheapest flight tickets to Reykjavik.

      Travelling from St Louis Lambert International Airport (STL) to Reykjavik: what you need to know

      • St Louis Lambert International Airport is located in St Louis. Following the UTC+0 timezone, Reykjavik is six hours ahead of St Louis.

      • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. That way, you won't have to rush to catch your STL to Reykjavik flight.

      • Flying during a peak time like July? School holidays and other popular seasons can lead to longer lines at check-in and security. Be extra cautious and arrive up to four hours before an international flight and two hours before domestic departures.

      • Think about adding a stopover to potentially unlock a cheaper plane ticket from STL to Reykjavik. All you need to do is uncheck 'Direct flights only' during your search. Give yourself a breather (and maybe even a better deal) by stopping at one of these connecting airports:

        • Chicago O'Hare International Airport (ORD)

        • Boston Logan International Airport (BOS)

        • Toronto Pearson International Airport (YYZ)

      • STL is around 16 kilometres from central St Louis. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 25 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the trip time to be around 30 minutes.

      • Booked an early flight from St Louis Lambert International Airport to Reykjavik? Avoid rushing to the airport (and catch some extra z's) by choosing one of these hotels near STL:

      • 76% of flights that take off from St Louis Lambert International Airport land at their destination on time.

      • You'll find STL at 10701 Lambert International Blvd..

      How to find the cheapest flights from St Louis Lambert International Airport (STL) to Reykjavik

      • 387 € is currently the best price for a one-way St Louis Lambert International Airport to Reykjavik flight. A return plane ticket starts at 445 €. These fares can change based on availability and demand.

      • To pick up cheap flights from STL to Reykjavik, book as early as possible. Airlines generally offer lower prices when flights first go on sale.

      • Finding cheap tickets from St Louis Lambert International Airport to Reykjavik is easier if you're flexible with your trip dates. Try using the 'Whole month' tool to get the lowest prices across every month and pick up an incredible deal.

      • Locking in a cheap flight from STL to Reykjavik is easy with Price Alerts. All you need to do is create one of these automatic notifications and we'll get in touch when a cheaper option becomes available.

      • Pick your ideal arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from St Louis Lambert International Airport to Reykjavik by 'Cheapest,' 'Best' or 'Fastest.'

      Airports in Reykjavik

      Keflavik Airport (KEF)

      • The distance from Keflavik Airport (KEF) to central Reykjavik is roughly 48 kilometres. It takes about 45 minutes to get to the centre driving.

      • It typically takes 55 minutes if you're travelling on public transport.

      • If you're coming in on a late flight from St Louis Lambert International Airport to Reykjavik, few things beat the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and sleeping soon after at one of these hotels near KEF:

      • To get the lowest price, book your ride from Keflavik Airport about four weeks in advance of your flight from STL to Reykjavik.

      Reykjavik Airport (RKV)

      • The centre of Reykjavik is located around 2 kilometres from Reykjavik Airport (RKV). Once your flight from St Louis Lambert International Airport to Reykjavik has landed and you've navigated your way to arrivals, expect a drive of about 10 minutes.

      • If you're catching public transport, it'll take around 20 minutes.

      • Hang the 'Do not disturb' sign on your door and rest at a hotel near RKV. Here are a few options where you can check in after your STL to Reykjavik flight:

      • Snap up the best price by reserving your ride from RKV three weeks ahead of time. You'll also have access to a greater selection of vehicles.

      Best time to go to Reykjavik

      • It's time to plan your travel dates for your flight from St Louis Lambert International Airport to Reykjavik. August is the most popular month to visit Reykjavik. If you like a more low-key vibe, go in January.

      • Book a St Louis Lambert International Airport to Reykjavik plane ticket with a departure in July if you want to visit the city during its warmest month. You can expect temperatures to range from 8ºC (46ºF) to 15ºC (59ºF).

      • Look for cheap tickets from STL to Reykjavik in December if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -6ºC (21ºF) and 4ºC (39ºF) on average.

      More about Reykjavik

      • Once you've booked your flight from St Louis Lambert International Airport to Reykjavik, choose a hotel that combines comfort with a great location. Make one of these options your base for exploring Reykjavik:

      • There are so many things to do and see in this city it can be hard to know where to start. Harpa, The Northern Light Centre and Sun Voyager are popular attractions which should feature on any good Reykjavik itinerary.

      Explore more of Iceland

      • Akureyri is just one of the many places in Iceland waiting to be explored once you've seen the sights of Reykjavik. Around 241 kilometres away to the northeast, popular attractions include Kjarnaskógur, Nordurslod - Into the Arctic and Regnbogastiginn.

      • If you're eager to discover another major stop in Iceland, consider Vestmannaeyjar, roughly 121 kilometres southeast of Reykjavik. Puffins of Westman Isles, Heimaey Island, Vestmanna Islands and Heimaklettur are among its highlights.

      Plan the rest of your trip from St Louis to Reykjavik

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.