
$669 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 $669 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 $669. 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.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| KEF | ISL | Keflavik Intl. | 23 |
| SEA | USA | Seattle - Tacoma Intl. | 3 |
| TPA | USA | Tampa Intl. | 2 |
| CPH | DNK | Kastrup | 2 |
| SFO | USA | San Francisco Intl. | 2 |
| LAX | USA | Los Angeles Intl. | 2 |
| MCO | USA | Orlando Intl. | 2 |
| HEL | FIN | Vantaa | 2 |
| LHR | GBR | Heathrow | 2 |
| ORD | USA | O'Hare Intl. | 1 |
Travelers ❤️ these 🏨 after their flight to St. Louis

Pear Tree Inn St. Louis Airport
hotel was clean and staff was nice. thank you
Reviewed on Nov 6, 2025

Renaissance St. Louis Airport Hotel
Room was clean, and staff were pleasant and informative.
Reviewed on Nov 6, 2025

Wingate by Wyndham St. Louis Airport
Unfortunately room was a bit dated. Carpet needed replacement & desk was noticeably dinged up/worn. Stayed here in June on 3rd floor & room was better maintained. Was on 5th this time.
Reviewed on Nov 6, 2025
Explore More Ways to Travel with Travelocity
- Hotels near James S. McDonnell Prologue Room
- Cheap Hotels in Woodson Terrace
- Woodson Terrace Hotels
- All Inclusive Resorts & in St. John
- St. John Hotels
- B&B in Bridgeton
- Cabins in Bridgeton
- Extended Stay Hotels in Bridgeton
- Cheap Hotels in Bridgeton
- Drury Inn & Suites Hotels in Bridgeton
- Hotels with Hot Tubs in Bridgeton
- Hotels with an Indoor Pool in Bridgeton
- Luxury Hotels in Bridgeton
- Oakwood Hotels in Bridgeton
- Pet Friendly Hotels in Bridgeton
- Bridgeton Hotels
- Houseboats in Bridgeton
- Motels in Bridgeton
- Vacation Homes in Bridgeton
- Villas in Bridgeton
- Apartments in Lambert Main Terminal Station
- 4 Star Hotels in Hazelwood
- Farmstay in Hazelwood
- Apartments in Hazelwood
- B&B in Hazelwood
- Cabins in Hazelwood
- Cottages in Hazelwood
- Extended Stay Hotels in Hazelwood
- Cheap Hotels in Hazelwood
- Convention Center Hotels in Hazelwood
- Hotels with Pools in Hazelwood
- Luxury Hotels in Hazelwood
- Pet Friendly Hotels in Hazelwood
- Ski Resorts and in Hazelwood
- Hotel Wedding Venues Hotels in Hazelwood
- Hazelwood Hotels
- Houseboats in Hazelwood
- Motels in Hazelwood
- Vacation Homes in Hazelwood
- Villas in Hazelwood
- Cabins in Ferguson
- Extended Stay Hotels in Ferguson
- Cheap Hotels in Ferguson
- Ferguson Hotels
- Vacation Homes in Ferguson
- 4 Star Hotels in Overland
- B&B in Overland
- Cabins in Overland
- Extended Stay Hotels in Overland
- Overland Hotels
- Inns in Overland
- Motels in Overland
- Hotel Wedding Venues Hotels in Edmundson
- Edmundson Hotels
- 4 Star Hotels in Berkeley
- Boutique Hotels in Berkeley
- Hotels with an Indoor Pool in Berkeley
- Hotels with Kitchenettes in Berkeley
- Pet Friendly Hotels in Berkeley
- Hotels on the River in Berkeley
- Berkeley Hotels
- Hotels near Payne-Gentry Historical House
- 3 Star Hotels in St. Ann
- Cabins in St. Ann
- Condos in St. Ann
- Casino Resorts & in St. Ann
- Luxury Hotels in St. Ann
- St. Ann Hotels
- Motels in St. Ann
- Hotels near Bigfoot 4 x 4 Inc
- Condos in North Hanley Station
- Extended Stay Hotels in North Hanley Station
- Motels in North Hanley Station
- Bel-Ridge Hotels