$378 Cheap flight deals from St. Louis (STL) to Reykjavik (REK)

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This Weekend's Flight Deals from St. Louis to Reykjavik

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 25 - Sun, Oct 4
STL
Lambert-St. Louis Intl.
KEF
Keflavik Intl.
$2,164 Roundtrip, found 4 days ago
$2,164
Roundtrip
found 4 days ago
Select Air Canada flight, departing Fri, Sep 25 from Lambert-St. Louis Intl. to Keflavik Intl., returning Sun, Oct 4, priced at $2,164 found 4 days ago

Airfares from $378 One Way, $753 Round Trip from St. Louis to Reykjavik

Prices starting at $753 for return flights and $378 for one-way flights to Reykjavik were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Nov 4 - Thu, Nov 12
STL
St. Louis
KEF
Reykjavik
$753 Roundtrip, found 7 hours ago
$753
Roundtrip
found 7 hours ago
Select Finnair flight, departing Wed, Nov 4 from St. Louis to Reykjavik, returning Thu, Nov 12, priced at $753 found 7 hours ago
Tue, Feb 23 - Mon, Mar 1
STL
St. Louis
KEF
Reykjavik
$759 Roundtrip, found 3 days ago
$759
Roundtrip
found 3 days ago
Select Finnair flight, departing Tue, Feb 23 from St. Louis to Reykjavik, returning Mon, Mar 1, priced at $759 found 3 days ago
Wed, Nov 11 - Thu, Nov 19
STL
St. Louis
KEF
Reykjavik
$764 Roundtrip, found 6 days ago
$764
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Nov 11 from St. Louis to Reykjavik, returning Thu, Nov 19, priced at $764 found 6 days ago
Wed, Nov 11 - Thu, Nov 19
STL
St. Louis
KEF
Reykjavik
$775 Roundtrip, found 6 days ago
$775
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Nov 11 from St. Louis to Reykjavik, returning Thu, Nov 19, priced at $775 found 6 days ago
Wed, Nov 4 - Thu, Nov 12
STL
St. Louis
KEF
Reykjavik
$803 Roundtrip, found 7 hours ago
$803
Roundtrip
found 7 hours ago
Select Finnair flight, departing Wed, Nov 4 from St. Louis to Reykjavik, returning Thu, Nov 12, priced at $803 found 7 hours ago

Reykjavik economy flight packages

Price found within the past 48 hours. Click for updated prices.
Þingholt by Center Hotels
4.0-star property

Þingholt by Center Hotels

9/10 Wonderful! (1,004 reviews)

Nov 13 - Nov 17

4 night stay

St. Louis (STL) to Reykjavik (KEF)

Southwest Airlines • Non-stop • Coach

Reykjavik (KEF) to St. Louis (STL)

Icelandair • Non-stop • Coach
Price was $1,469, price is now $1,209 per person
$1,209
per person
found 19 hours ago
Perfectly located right in the middle of tourist area of town. Very helpful staff, plentiful breakfast and comfortable, modern rooms. We had everything we needed for our stay

Reviewed on Sep 19, 2026

Reykjavik Residence Apartment Hotel
4.0-star property

Reykjavik Residence Apartment Hotel

9.6/10 Exceptional! (3,403 reviews)

Nov 13 - Nov 17

4 night stay

St. Louis (STL) to Reykjavik (KEF)

Southwest Airlines • Non-stop • Coach

Reykjavik (KEF) to St. Louis (STL)

Icelandair • Non-stop • Coach
Price was $1,649, price is now $1,242 per person
$1,242
per person
found 19 hours ago
Great staff and the accommodations were better than anticipated.

Reviewed on Sep 20, 2026

Center Hotels Arnarhvoll
4.0-star property

Center Hotels Arnarhvoll

9/10 Wonderful! (1,147 reviews)

Nov 13 - Nov 17

4 night stay

St. Louis (STL) to Reykjavik (KEF)

Southwest Airlines • Non-stop • Coach

Reykjavik (KEF) to St. Louis (STL)

Icelandair • Non-stop • Coach
Price was $1,612, price is now $1,260 per person
$1,260
per person
found 19 hours ago

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More About Flying To Reykjavik from St. Louis

Route Information for Flights from St. Louis to Reykjavik

Origin Airport IATA Code
STL
Destination Airport IATA Code
REK
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

St. Louis to Reykjavik

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Frequently asked questions

What is the shortest flight from St. Louis to Reykjavik?
Getting from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Keflavik Intl. Airport (KEF) will take a minimum of 7 hours and 10 minutes. Savor a wine and read a few magazines — this is the perfect opportunity to chill out.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

More Destinations

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.