$388+ Cheap flights from St. Louis (STL) to Reykjavik (REK)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — REK
Aug 27 — Sep 31
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
Cheapest
Best
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 July 28, 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 July 28, 2026.
This United Airlines deal was found by Cheapflights users on 7/28. 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 10/256:50 pm
STL
- KEF
1 stop10h 10m
United Airlines
Thu 11/512:00 pm
KEF
- STL
1 stop10h 51m
United Airlines
Deal found 7/28![United Airlines logo]()
$736
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sat 10/244:50 pm
STL
- KEF
2 stops36h 10m
United Airlines
Thu 11/512:00 pm
KEF
- STL
1 stop10h 51m
United Airlines
Deal found 7/28![United Airlines logo]()
$751
This Orbitz deal was found by Cheapflights users on 7/23. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:10 pm
STL
- KEF
1 stop14h 45m
Air Canada
Tue 10/2010:00 am
KEF
- STL
1 stop15h 00m
Air Canada
Deal found 7/23![Air Canada logo]()
$766
This United Airlines deal was found by Cheapflights users on 7/23. 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
STL
- KEF
1 stop14h 45m
United Airlines
Fri 10/239:15 am
KEF
- STL
2 stops36h 22m
United Airlines
Deal found 7/23![United Airlines logo]()
$775
This United Airlines deal was found by Cheapflights users on 7/23. 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 10/111:29 pm
STL
- KEF
1 stop14h 21m
United Airlines
Fri 10/239:15 am
KEF
- STL
2 stops39h 26m
United Airlines
Deal found 7/23![United Airlines logo]()
$776
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 10/122:40 pm
STL
- KEF
1 stop13h 05m
United Airlines
Fri 10/239:15 am
KEF
- STL
2 stops36h 22m
United Airlines
Deal found 7/23![United Airlines logo]()
$780
This United Airlines deal was found by Cheapflights users on 7/23. 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 10/117:01 pm
STL
- KEF
1 stop8h 49m
United Airlines
Tue 10/2010:00 am
KEF
- STL
2 stops33h 17m
United Airlines
Deal found 7/23![United Airlines logo]()
$781
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 10/128:55 am
STL
- KEF
1 stop18h 50m
United Airlines
Tue 10/2010:00 am
KEF
- STL
2 stops31h 13m
United Airlines
Deal found 7/23![United Airlines logo]()
$784
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 July 28, 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 July 28, 2026.
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 9/216:53 pm
STL
- KEF
2 stops32h 02m
United Airlines
Wed 9/309:15 am
KEF
- STL
2 stops43h 29m
United Airlines
Deal found 7/27![United Airlines logo]()
$793
This Delta deal was found by Cheapflights users on 7/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:29 am
STL
- KEF
2 stops18h 01m
Delta
Tue 9/2911:25 am
KEF
- STL
2 stops17h 17m
Delta
Deal found 7/24![Delta logo]()
$814
This Icelandair deal was found by Cheapflights users on 7/27. 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.
Thu 10/158:30 am
STL
- KEF
1 stop17h 05m
Multiple Airlines
Tue 10/207:50 pm
KEF
- STL
1 stop16h 50m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$843
This Icelandair deal was found by Cheapflights users on 7/25. 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 10/103:40 pm
STL
- KEF
1 stop9h 45m
Multiple Airlines
Sat 10/177:50 pm
KEF
- STL
1 stop18h 30m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$868
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Fri 10/99:04 am
STL
- KEF
2 stops18h 41m
United Airlines
Sat 10/1712:00 pm
KEF
- STL
1 stop14h 21m
United Airlines
Deal found 7/28![United Airlines logo]()
$924
This Icelandair deal was found by Cheapflights users on 7/23. 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 8/222:40 pm
STL
- KEF
1 stop10h 55m
Multiple Airlines
Sat 8/2910:45 am
KEF
- STL
1 stop15h 50m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$891
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Sat 10/106:00 am
STL
- KEF
2 stops20h 55m
United Airlines
Sat 10/1710:00 am
KEF
- STL
2 stops34h 43m
United Airlines
Deal found 7/25![United Airlines logo]()
$933
This Icelandair deal was found by Cheapflights users on 7/28. 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 8/152:40 pm
STL
- KEF
1 stop10h 55m
Multiple Airlines
Wed 8/265:00 pm
KEF
- STL
1 stop19h 45m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$896
This Icelandair deal was found by Cheapflights users on 7/26. 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.
Sun 1/32:55 pm
STL
- KEF
1 stop9h 35m
Multiple Airlines
Thu 1/75:00 pm
KEF
- STL
1 stop20h 40m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$898
This Icelandair deal was found by Cheapflights users on 7/26. 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.
Sun 9/204:25 pm
STL
- KEF
1 stop9h 00m
Multiple Airlines
Wed 9/305:00 pm
KEF
- STL
1 stop19h 45m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$911
Last-minute flights from St. Louis to ReykjavikDiscover last-minute flight deals from St. Louis to Reykjavik. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Reykjavik. Data last updated July 28, 2026 and is based on user searches.
This Icelandair deal was found by Cheapflights users on 7/23. 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.
Fri 7/312:30 pm
STL
- KEF
1 stop13h 10m
Multiple Airlines
Wed 8/55:00 pm
KEF
- STL
1 stop19h 45m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$916
This Icelandair deal was found by Cheapflights users on 7/27. 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.
Thu 8/134:15 pm
STL
- KEF
1 stop11h 55m
Multiple Airlines
Sat 8/224:45 pm
KEF
- STL
1 stop20h 25m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$956
This Icelandair deal was found by Cheapflights users on 7/24. 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 8/152:40 pm
STL
- KEF
1 stop10h 55m
Multiple Airlines
Wed 8/265:00 pm
KEF
- STL
1 stop19h 45m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$856
This FlightHub deal was found by Cheapflights users on 7/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:44 pm
STL
- KEF
2 stops35h 36m
Scandinavian Airlines
Wed 8/265:35 pm
KEF
- STL
2 stops35h 23m
Scandinavian Airlines
Deal found 7/26![Scandinavian Airlines logo]()
$875
This Icelandair deal was found by Cheapflights users on 7/26. 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 8/155:20 pm
STL
- KEF
1 stop11h 05m
Multiple Airlines
Mon 8/244:55 pm
KEF
- STL
1 stop19h 25m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$949
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/188:00 am
STL
- KEF
2 stops20h 25m
Multiple Airlines
Mon 8/3110:45 am
KEF
- STL
1 stop13h 28m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$881
This Icelandair deal was found by Cheapflights users on 7/23. 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 8/222:40 pm
STL
- KEF
1 stop10h 55m
Multiple Airlines
Sat 8/2910:45 am
KEF
- STL
1 stop15h 50m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$891
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Thu 8/277:58 pm
STL
- KEF
1 stop32h 27m
Multiple Airlines
Thu 9/39:00 am
KEF
- STL
2 stops37h 22m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$961
This Icelandair deal was found by Cheapflights users on 7/27. 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.
Mon 8/313:45 pm
STL
- KEF
1 stop11h 55m
Multiple Airlines
Mon 9/75:10 pm
KEF
- STL
1 stop19h 45m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$931
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 July 28, 2026.
Search for one-way flight options from St. Louis to Reykjavik. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/16:35 am
STL
- KEF
3 stops44h 05m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Fri 9/188:10 pm
STL
- KEF
3 stops54h 30m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$434
This Travelocity deal was found by Cheapflights users on 7/26. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:10 pm
STL
- KEF
1 stop14h 45m
Air Canada
Deal found 7/26![Air Canada logo]()
$439
This Orbitz deal was found by Cheapflights users on 7/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:55 am
STL
- KEF
2 stops42h 00m
Air Canada
Deal found 7/26![Air Canada logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Fri 9/185:59 pm
STL
- KEF
2 stops56h 41m
WestJet
Deal found 7/27![WestJet logo]()
$456
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 8/3112:10 pm
STL
- KEF
1 stop14h 45m
United Airlines
Deal found 7/27![United Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 7/27. 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 9/227:00 am
STL
- KEF
3 stops19h 55m
United Airlines
Deal found 7/27![United Airlines logo]()
$468
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Fri 8/216:17 pm
STL
- KEF
3 stops31h 38m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Sat 8/226:45 pm
STL
- KEF
2 stops55h 55m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$485
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 July 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $736 (United Airlines) |
One-way from | $388 (Kiwi.com) |
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 2,558,603 searches. Data last updated July 28, 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 - KEF
STLKEF
Lambert-St Louis
Mon 9/21
6:53 pm-7:55 am
2 stops32h 02m
Reykjavik Keflavik Intl
Wed 9/30
9:15 am-11:44 pm
2 stops43h 29m
$793
St. LouisReykjavik
STL - KEF
STLKEF
Lambert-St Louis
Tue 9/22
10:29 am-9:30 am
2 stops18h 01m
Reykjavik Keflavik Intl
Tue 9/29
11:25 am-11:42 pm
2 stops17h 17m
$814
St. LouisReykjavik
STL - KEF
STLKEF
Lambert-St Louis
Thu 10/15
8:30 am-6:35 am
1 stop17h 05m
Reykjavik Keflavik Intl
Tue 10/20
7:50 pm-7:40 am
1 stop16h 50m
$843
St. LouisReykjavik
STL - KEF
STLKEF
Lambert-St Louis
Sat 10/10
3:40 pm-6:25 am
1 stop9h 45m
Reykjavik Keflavik Intl
Sat 10/17
7:50 pm-9:20 am
1 stop18h 30m
$868
Quickest round-trip
St. LouisReykjavik
STL - KEF
STLKEF
Lambert-St Louis
Sat 8/22
2:40 pm-6:35 am
1 stop10h 55m
Reykjavik Keflavik Intl
Sat 8/29
10:45 am-9:35 pm
1 stop15h 50m
$891
St. LouisReykjavik
STL - KEF
STLKEF
Lambert-St Louis
Sat 8/15
2:40 pm-6:35 am
1 stop10h 55m
Reykjavik Keflavik Intl
Wed 8/26
5:00 pm-7:45 am
1 stop19h 45m
$896
St. LouisReykjavik
STL - KEF
STLKEF
Lambert-St Louis
Sun 1/3
2:55 pm-6:30 am
1 stop9h 35m
Reykjavik Keflavik Intl
Thu 1/7
5:00 pm-7:40 am
1 stop20h 40m
$898
St. LouisReykjavik
STL - KEF
STLKEF
Lambert-St Louis
Sun 9/20
4:25 pm-6:25 am
1 stop9h 00m
Reykjavik Keflavik Intl
Wed 9/30
5:00 pm-7:45 am
1 stop19h 45m
$911
St. LouisReykjavik
STL - KEF
STLKEF
Lambert-St Louis
Fri 10/9
9:04 am-8:45 am
2 stops18h 41m
Reykjavik Keflavik Intl
Sat 10/17
12:00 pm-9:21 pm
1 stop14h 21m
$924
St. LouisReykjavik
STL - KEF
STLKEF
Lambert-St Louis
Sat 10/10
6:00 am-7:55 am
2 stops20h 55m
Reykjavik Keflavik Intl
Sat 10/17
10:00 am-3:43 pm
2 stops34h 43m
$933
Showing 1-10 of 19 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 July.
| 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 July 28, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAir Canada 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
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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Top 4 airlines flying from St. Louis to Reykjavik
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$604 | Average$870 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$756 | Average$1,080 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$783 | Average$1,131 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$784 | Average$1,080 | FlexibilityNo cancel fee | On-timeN/A |