$672 Cheap Icelandair flights from Reykjavik to St. Louis (KEF to STL)

Find The Best Day To Fly from Reykjavik to St. Louis

Amazing Icelandair KEF to STL Flight Deals

The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were round trip and $672 one way. Prices and availability subject to change. Additional terms may apply.

Discover our best Icelandair flight from Reykjavik KEF to St. Louis STL 

To find the best deals on flights to Reykjavik from St. Louis with Icelandair, just enter your travel dates, filter by Icelandair, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Reykjavik KEF to St. Louis STL with Icelandair 

If you’re planning a round trip, booking return flights with Icelandair is usually the most cost-effective option. With airfares ranging from to , it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way Icelandair flights from Reykjavik KEF to St. Louis STL 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Icelandair flight from Reykjavik to St. Louis costs from $672. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to St. Louis STL from  Reykjavik KEF with Icelandair 

To find a cheap Icelandair flight from Reykjavik KEF to St. Louis STL, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on Icelandair flights from Reykjavik KEF to St. Louis STL 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as , or if you book a flight with a stopover. 

 

Find nonstop flights from Reykjavik KEF to St. Louis STL with Icelandair 

If you’re keen to be on St. Louis soil fast, don’t waste time with a stopover—filter your search results to show direct Icelandair flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for Icelandair flights from Reykjavik KEF to St. Louis STL 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to St. Louis STL from  Reykjavik KEF with Icelandair on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

Icelandair Airports
Hop on a(n) Icelandair flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
KEFISLKeflavik Intl.23
SEAUSASeattle - Tacoma Intl.3
TPAUSATampa Intl.2
CPHDNKKastrup2
SFOUSASan Francisco Intl.2
LAXUSALos Angeles Intl.2
MCOUSAOrlando Intl.2
HELFINVantaa2
LHRGBRHeathrow2
ORDUSAO'Hare Intl.1

Travelers ❤️ these 🏨 after their flight to St. Louis

Pear Tree Inn St. Louis Airport
Pear Tree Inn St. Louis Airport
2.5 out of 5
10810 Pear Tree Ln, St. Ann, MO
This hotel features a gym and a seasonal outdoor pool. Traveling on business? Take advantage of the business center, free WiFi in public areas, and free airport ...
9.2/10 Wonderful! (2,536 reviews)
Good Place to Stay for the Airport
"This hotel was great for what we needed. We stayed the night before an early flight. The shuttle to the airport ran every 20 minutes. The staff was very pleasant and helpful."

Reviewed on Apr 22, 2025

Pear Tree Inn St. Louis Airport
Hilton St. Louis Airport
Hilton St. Louis Airport
3.5 out of 5
10330 Natural Bridge Rd, St. Louis, MO
This smoke-free hotel features 2 restaurants, a bar/lounge, and a 24-hour gym. Traveling on business? Take advantage of the express check-in, express check-out, ...
7.4/10 Good! (1,001 reviews)
Traveler
"Hotel is convenient, no issues w parking or shuttle for getting to airport, staff was kind. Hated the square pillows."

Reviewed on Apr 23, 2025

Hilton St. Louis Airport
Wingate by Wyndham St. Louis Airport
Wingate by Wyndham St. Louis Airport
2.5 out of 5
10820 Pear Tree Lane, St. Ann, MO
This hotel features an outdoor pool and a gym. Traveling on business? Take advantage of the business center, free WiFi in public areas, and free airport shuttle. ...
9.2/10 Wonderful! (1,194 reviews)
"We only stayed one night, but our room was very clean and comfortable. There was fee transportation to the airport for our very early flight out."

Reviewed on Apr 23, 2025

Wingate by Wyndham St. Louis Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.