$592+ Cheap flights from St. Louis (STL) to Reykjavik (REK)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — REK
Oct 19 — Oct 261
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Reykjavik with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Reykjavik
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Last-minute
One-way
Cheapest flights from St. Louis to ReykjavikExplore the most affordable flight options available from St. Louis to Reykjavik. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.
Explore the most affordable flight options available from St. Louis to Reykjavik. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.
This Finnair deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:24 am -
2 stops27h 51m
Thu 11/1910:00 am -
2 stops40h 17m
Deal found 9/17![Multiple Airlines logo]()
$743
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:39 pm -
2 stops35h 21m
Thu 11/1912:00 pm -
2 stops28h 48m
Deal found 9/17![United Airlines logo]()
$748
This Finnair deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:58 pm -
2 stops38h 17m
Tue 11/106:00 pm -
2 stops33h 59m
Deal found 9/19![Multiple Airlines logo]()
$753
This Finnair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:46 am -
2 stops28h 29m
Mon 12/710:00 am -
2 stops40h 19m
Deal found 9/16![Multiple Airlines logo]()
$754
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:00 pm -
1 stop29h 00m
Sat 10/244:50 pm -
2 stops23h 41m
Deal found 9/14![Multiple Airlines logo]()
$758
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:50 pm -
1 stop9h 10m
Thu 11/1912:00 pm -
1 stop13h 23m
Deal found 9/17![United Airlines logo]()
$772
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:28 pm -
1 stop10h 32m
Mon 11/1612:00 pm -
1 stop17h 24m
Deal found 9/19![United Airlines logo]()
$782
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:26 pm -
2 stops32h 39m
Sat 11/74:55 pm -
2 stops25h 38m
Deal found 9/16![Multiple Airlines logo]()
$784
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:02 am -
1 stop21h 23m
Tue 10/207:45 pm -
1 stop24h 59m
Deal found 9/14![Multiple Airlines logo]()
$793
Best flights from St. Louis to ReykjavikDiscover carefully curated flight deals from St. Louis to Reykjavik that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.
Discover carefully curated flight deals from St. Louis to Reykjavik that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:39 pm -
2 stops35h 21m
Thu 11/1912:00 pm -
2 stops28h 48m
Deal found 9/17![United Airlines logo]()
$748
This Finnair deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:58 pm -
2 stops38h 17m
Tue 11/106:00 pm -
2 stops33h 59m
Deal found 9/19![Multiple Airlines logo]()
$753
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:00 pm -
1 stop29h 00m
Sat 10/244:50 pm -
2 stops23h 41m
Deal found 9/14![Multiple Airlines logo]()
$758
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:30 am -
2 stops17h 25m
Tue 10/2010:00 am -
2 stops33h 17m
Deal found 9/14![United Airlines logo]()
$876
This Icelandair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:20 pm -
1 stop12h 50m
Tue 10/207:50 pm -
2 stops19h 30m
Deal found 9/14![Multiple Airlines logo]()
$869
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:30 am -
2 stops43h 30m
Mon 11/1612:00 pm -
2 stops16h 26m
Deal found 9/15![United Airlines logo]()
$880
This Icelandair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:15 pm -
1 stop12h 55m
Wed 11/44:45 pm -
1 stop22h 35m
Deal found 9/16![Multiple Airlines logo]()
$877
This Icelandair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:10 pm -
1 stop13h 30m
Tue 10/275:10 pm -
1 stop22h 10m
Deal found 9/15![Multiple Airlines logo]()
$926
This Icelandair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:05 am -
1 stop15h 25m
Sat 11/75:00 pm -
1 stop21h 10m
Deal found 9/16![Multiple Airlines logo]()
$929
Last-minute flights from St. Louis to ReykjavikDiscover last-minute flight deals from St. Louis to Reykjavik. Data last updated September 19, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Reykjavik. Data last updated September 19, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:02 am -
1 stop21h 23m
Tue 10/207:45 pm -
1 stop24h 59m
Deal found 9/14![Multiple Airlines logo]()
$793
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:10 pm -
1 stop14h 45m
Tue 10/2010:00 am -
2 stops33h 17m
Deal found 9/14![United Airlines logo]()
$876
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:00 pm -
1 stop29h 00m
Sat 10/244:50 pm -
2 stops23h 41m
Deal found 9/14![Multiple Airlines logo]()
$758
This Finnair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:35 pm -
2 stops37h 55m
Tue 10/2710:00 am -
2 stops19h 19m
Deal found 9/15![Multiple Airlines logo]()
$919
This Finnair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:32 am -
2 stops29h 43m
Wed 11/410:00 am -
2 stops41h 59m
Deal found 9/16![Multiple Airlines logo]()
$853
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:31 am -
2 stops22h 34m
Fri 11/611:45 am -
2 stops18h 14m
Deal found 9/15![American Airlines logo]()
$886
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:26 pm -
2 stops32h 39m
Sat 11/74:55 pm -
2 stops25h 38m
Deal found 9/16![Multiple Airlines logo]()
$784
One-way flights from St. Louis to ReykjavikSearch for one-way flight options from St. Louis to Reykjavik. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
Search for one-way flight options from St. Louis to Reykjavik. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
This Mytrip deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:30 pm -
2 stops35h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$592
This Gotogate deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:30 pm -
1 stop16h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Lufthansa logo]()
$696
Find flight deals from St. Louis to Reykjavik
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Reykjavik (REK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $743 (Finnair) |
One-way from | $592 (Mytrip) |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Reykjavik that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 19, 2026.
Use the filters below to find and compare flights from St. Louis to Reykjavik that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisReykjavik
STL Lambert-St Louis - KEF Reykjavik Keflavik Intl
STLKEF
Lambert-St Louis
Fri 10/9
4:30 pm-9:10 am
2 stops35h 40m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$592
Quickest round-trip
St. LouisReykjavik
STL Lambert-St Louis - KEF Reykjavik Keflavik Intl
STLKEF
Lambert-St Louis
Fri 10/9
3:30 pm-12:55 pm
1 stop16h 25m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$696
St. LouisReykjavik
STL Lambert-St Louis - KEF Reykjavik Keflavik Intl
STLKEF
Lambert-St Louis
Tue 11/10
4:39 pm-10:00 am
2 stops35h 21m
Reykjavik Keflavik Intl
Thu 11/19
12:00 pm-10:48 am
2 stops28h 48m
$748
St. LouisReykjavik
STL Lambert-St Louis - KEF Reykjavik Keflavik Intl
STLKEF
Lambert-St Louis
Tue 11/3
12:58 pm-9:15 am
2 stops38h 17m
Reykjavik Keflavik Intl
Tue 11/10
6:00 pm-9:59 pm
2 stops33h 59m
$753
St. LouisReykjavik
STL Lambert-St Louis - KEF Reykjavik Keflavik Intl
STLKEF
Lambert-St Louis
Mon 10/19
8:00 pm-6:00 am
1 stop29h 00m
Reykjavik Keflavik Intl
Sat 10/24
4:50 pm-11:31 am
2 stops23h 41m
$758
St. LouisReykjavik
STL Lambert-St Louis - KEF Reykjavik Keflavik Intl
STLKEF
Lambert-St Louis
Tue 10/13
3:20 pm-9:10 am
1 stop12h 50m
Reykjavik Keflavik Intl
Tue 10/20
7:50 pm-10:20 am
2 stops19h 30m
$869
St. LouisReykjavik
STL Lambert-St Louis - KEF Reykjavik Keflavik Intl
STLKEF
Lambert-St Louis
Tue 10/13
9:30 am-7:55 am
2 stops17h 25m
Reykjavik Keflavik Intl
Tue 10/20
10:00 am-2:17 pm
2 stops33h 17m
$876
St. LouisReykjavik
STL Lambert-St Louis - KEF Reykjavik Keflavik Intl
STLKEF
Lambert-St Louis
Wed 10/28
12:15 pm-6:10 am
1 stop12h 55m
Reykjavik Keflavik Intl
Wed 11/4
4:45 pm-9:20 am
1 stop22h 35m
$877
St. LouisReykjavik
STL Lambert-St Louis - KEF Reykjavik Keflavik Intl
STLKEF
Lambert-St Louis
Thu 11/12
8:30 am-10:00 am
2 stops43h 30m
Reykjavik Keflavik Intl
Mon 11/16
12:00 pm-10:26 pm
2 stops16h 26m
$880
St. LouisReykjavik
STL Lambert-St Louis - KEF Reykjavik Keflavik Intl
STLKEF
Lambert-St Louis
Wed 10/21
2:10 pm-8:40 am
1 stop13h 30m
Reykjavik Keflavik Intl
Tue 10/27
5:10 pm-10:20 am
1 stop22h 10m
$926
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Reykjavik
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Reykjavik in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Reykjavik flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Reykjavik flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Reykjavik flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Reykjavik flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Reykjavik flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Reykjavik
Have a flexible travel schedule? Discover the best time to fly to Reykjavik from St. Louis with our price prediction graph.
STL-REK
STL-KEF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Reykjavik
STL-REK
STL-KEF
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Reykjavik
Get insights into the airlines that provide service to Reykjavik. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reykjavik. Reviews last updated September 19, 2026.
Peruse reviews from past customers who have flown with Delta and United Airlines from St. Louis to Reykjavik to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Reykjavik. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Reykjavik?
Book flights to Reykjavik if you plan to visit one of these locationsHveragerdi
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St. Louis and Reykjavik flights
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Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on September 19, 2026.
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Explore flights to Reykjavik departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 19, 2026.
Top 2 airlines flying from St. Louis to Reykjavik
Discover the top 2 airlines that operate flights from St. Louis to Reykjavik. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$783 | Average$1,131 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$784 | Average$1,175 | FlexibilityNo cancel fee | On-timeN/A |