Cheap flights from St Louis (STL) to Keflavik (KEF)

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How to find the cheapest flight from
St Louis (STL) to Keflavik (KEF)

STL - KEF
Price
$526 - $1,541
KEF
Temperature
37.4 - 57.2 °F
KEF
Rainfall
0.8 - 3.7 inches

Popular in

December

High demand for flights, 50% potential price rise

Cheapest in

August

Best time to find cheap flights, 32% potential price drop

Average price

$713

Average for round-trip flights in April 2021

Round-trip from

$526

From St Louis to Keflavik

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from St Louis to Keflavik?

Travelers have found it’s best to book a flight 19 days in advance to save up to 15% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 19 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St Louis to Keflavik 1-2 weeks in advance for as low as $784, or $919 for flights within the next 24 hours.

What is the cheapest month to fly from St Louis to Keflavik?

June can be a great time to fly to Keflavik from St Louis with a flight ticket averaging about $815. Cheapflights users have found deals in the month of June for as cheap as $595. The most expensive prices can be found in the month of December.

Cheap flights from St Louis to Keflavik in April, May 2021

7 May - 10 May
$712pp
STL
Lambert-St Louis
Delta
   
2 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Delta
   
2 STOPS
STL
Lambert-St Louis
22 May - 29 May
$788pp
STL
Lambert-St Louis
KLM
   
2 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
KLM
   
2 STOPS
STL
Lambert-St Louis
28 May - 6 Jun
$807pp
STL
Lambert-St Louis
Delta
 
1 STOP
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Delta
 
1 STOP
STL
Lambert-St Louis

St Louis to Keflavik 2021 flight deals

11 Jun - 16 Jun
$695pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
28 Nov - 5 Dec
$704pp
STL
Lambert-St Louis
Delta
   
2 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Delta
   
2 STOPS
STL
Lambert-St Louis
11 Jun - 16 Jun
$707pp
STL
Lambert-St Louis
Delta
 
1 STOP
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Delta
 
1 STOP
STL
Lambert-St Louis

Last minute flights from St Louis to Keflavik

18 Apr - 8 May
$1,180pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Lufthansa
   
2 STOPS
STL
Lambert-St Louis
18 Apr - 8 May
$1,204pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Lufthansa
   
2 STOPS
STL
Lambert-St Louis
18 Apr - 9 May
$1,294pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis

Related info for your journey

Flight FAQs

From St Louis to Keflavik

Are flight prices decreasing from St Louis to Keflavik due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Keflavik for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Lambert-St Louis to Reykjavik Keflavik Intl to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Lambert-St Louis to Reykjavik Keflavik Intl. Policies will vary by airline.

Which airlines flying from Lambert-St Louis to Reykjavik Keflavik Intl have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Delta, American Airlines, and United Airlines flying from Lambert-St Louis to Reykjavik Keflavik Intl have implemented new flexible cancellation policies.

Can I find flights from St Louis to Keflavik for under $700 on Cheapflights?

Yes, there are multiple flights from St Louis to Keflavik for under $700. The cheapest flight booked recently is on Multiple Airlines for just $695, but on average you can expect to pay $769.

Are there nonstop flights from St Louis to Keflavik for under $700 on Cheapflights?

There are no nonstop flights from St Louis to Keflavik, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from St Louis to Keflavik for under $1,200?

There are currently 4+ open flights from St Louis to Keflavik within the next 7 days for less than $1,200.

Does it rain more in St Louis or Keflavik?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in St Louis is roughly greater than that of Keflavik. You can assume this to be the case over the next 17 days.

Is St Louis weather warmer or cooler than Keflavik?

With an average temperature of 90 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in Keflavik are colder than in St Louis.

How long is the flight from St Louis to Keflavik?

Departing from St Louis to Keflavik will take you 8h 46m. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from St Louis to Keflavik round-trip?

According to our current data, Delta ($707), KLM ($713), and Lufthansa ($752) offers the cheapest pricing from St Louis to Keflavik. Delta is priced at 8% lower than the current average price of a flight leaving 3 months from now.

Related searches

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Rent a Car

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Alternative routes for St Louis to Keflavik

Destination information for Keflavik

Today's exchange rate
$1 = 127 kr
Average temperature for April in Keflavik
42.8 °F
Avg rainfall for April in Keflavik
1.5 ″

Airports servicing St. Louis

Airports servicing Reykjavik

Top 5 airlines flying from St Louis to Keflavik

Airline Cheapest Average Flexibility On-time COVID-19 safety
Air Canada
$564 $665 No cancel fee 67%
United Airlines
$589 $723 No cancel fee 69%
American Airlines
$584 $761 No cancel fee 71%
Delta
$583 $780 No cancel fee N/A
Lufthansa
$476 $874 No cancel fee 76%
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