Reykjavik

$602+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — REK
Apr 21 — Apr 281
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Cheap flight deals from St. Louis to Reykjavik

Cheapest flights from St. Louis to Reykjavik
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 March 22, 2026.

This KLM deal was found by Cheapflights users on 3/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:59 am
STL
-
KEF
2 stops18h 31m
Multiple Airlines
Tue 5/1211:25 am
KEF
-
STL
1 stop10h 40m
Multiple Airlines
Deal found 3/21$729
This Billigflug deal was found by Cheapflights users on 3/17. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:42 am
STL
-
KEF
2 stops16h 48m
Multiple Airlines
Sat 5/911:25 am
KEF
-
STL
2 stops30h 45m
Multiple Airlines
Deal found 3/17$800
This Air France deal was found by Cheapflights users on 3/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1211:22 am
STL
-
KEF
1 stop15h 18m
Multiple Airlines
Wed 5/209:30 am
KEF
-
STL
1 stop10h 01m
Multiple Airlines
Deal found 3/17$804
This Delta deal was found by Cheapflights users on 3/21. 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 5/121:59 pm
STL
-
KEF
1 stop12h 01m
Delta
Wed 5/2011:25 am
KEF
-
STL
1 stop10h 40m
Delta
Deal found 3/21$805
This Flysmarter deal was found by Cheapflights users on 3/17. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:03 pm
STL
-
KEF
2 stops15h 27m
Air France
Sat 5/99:30 am
KEF
-
STL
1 stop18h 51m
Air France
Deal found 3/17$814
This Virgin Atlantic deal was found by Cheapflights users on 3/18. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:42 am
STL
-
KEF
2 stops16h 48m
Virgin Atlantic
Sat 5/99:30 am
KEF
-
STL
1 stop18h 51m
Virgin Atlantic
Deal found 3/18$829
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 5/47:00 am
STL
-
KEF
1 stop18h 15m
Multiple Airlines
Mon 5/117:45 pm
KEF
-
STL
1 stop25h 05m
Multiple Airlines
Deal found 3/20$852
This United Airlines deal was found by Cheapflights users on 3/17. 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.
Sat 8/155:32 pm
STL
-
KEF
2 stops34h 13m
United Airlines
Wed 8/2610:00 am
KEF
-
STL
2 stops34h 38m
United Airlines
Deal found 3/17$862
This KLM deal was found by Cheapflights users on 3/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:45 pm
STL
-
KEF
1 stop8h 55m
Multiple Airlines
Wed 8/2611:25 am
KEF
-
STL
2 stops16h 36m
Multiple Airlines
Deal found 3/19$879
This United Airlines deal was found by Cheapflights users on 3/20. 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 9/15:32 pm
STL
-
KEF
1 stop10h 18m
United Airlines
Wed 9/309:15 am
KEF
-
STL
2 stops40h 44m
United Airlines
Deal found 3/20$884

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 March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$729
(KLM)

One-way from

$602
(Expedia)
Provider with most accurate pricing for Lambert-St Louis-Reykjavik (REK) flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Reykjavik (REK) flights.
From Lambert-St Louis to Reykjavik (REK)
One-way flight from Lambert-St Louis to Reykjavik (REK)

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 March 22, 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

Price

Cheapest round-trip

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Tue 5/5

9:59 am-9:30 am

2 stops18h 31m

Reykjavik Keflavik Intl

Tue 5/12

11:25 am-5:05 pm

1 stop10h 40m

$729

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Tue 5/12

1:56 pm-9:30 am

2 stops14h 34m

Reykjavik Keflavik Intl

Wed 5/20

9:30 am-4:46 pm

1 stop12h 16m

$809

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sat 8/15

5:45 pm-7:40 am

1 stop8h 55m

Reykjavik Keflavik Intl

Wed 8/26

8:45 am-8:31 pm

1 stop16h 46m

$875
Quickest round-trip

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sat 8/15

5:45 pm-7:40 am

1 stop8h 55m

Reykjavik Keflavik Intl

Wed 8/26

11:25 am-11:01 pm

2 stops16h 36m

$879

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Tue 9/1

9:16 am-8:50 am

1 stop18h 34m

Reykjavik Keflavik Intl

Wed 9/30

9:15 am-4:26 pm

2 stops36h 11m

$884

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 5/14

5:36 pm-7:40 am

1 stop9h 04m

Reykjavik Keflavik Intl

Thu 5/21

8:45 am-9:09 pm

1 stop17h 24m

$944

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 5/14

1:27 pm-9:30 am

2 stops15h 03m

Reykjavik Keflavik Intl

Thu 5/21

9:30 am-9:09 pm

2 stops16h 39m

$948
Cheapest one-way

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sat 7/4

5:46 pm-7:55 am

2 stops33h 09m

$602

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sat 7/4

8:08 pm-6:00 am

1 stop28h 52m

$617
Quickest one-way

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 6/18

1:15 pm-7:55 am

1 stop13h 40m

$889

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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
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 March 22, 2026.
Peruse reviews from past customers who have flown with Delta,KLM, andUnited 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.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.
  • What airport do you fly from for flights from St. Louis to Reykjavik?

    If you book a flight to Reykjavik from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Lambert-St Louis to Reykjavik per day from 4 different airlines.

  • How long is the flight from St. Louis to Reykjavik?

    For as low as $875, KLM can have you in Reykjavik from St. Louis in 8h 55m. Airlines will cover a distance of 3191 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from St. Louis to Reykjavik round-trip?

    Currently priced at $592, United Airlines will fly you from St. Louis to Reykjavik and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Delta - these airlines can fly you to your destination from $604 and $636, respectively.

  • Can I find deals for flights from St. Louis to Reykjavik that include hotel bookings?

    Yes. In addition to deals on St. Louis to Reykjavik flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Reykjavik?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Reykjavik.

  • Can I find deals for business class flights from St. Louis to Reykjavik?

    Yes. Cheapflights offers flight deals from St. Louis to Reykjavik by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Reykjavik?

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Alternative routes for St. Louis to Reykjavik

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from St. Louis to Reykjavik

Discover the top 4 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 2,558,603 searches. Data last updated March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$592Average$1,065FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$604Average$800FlexibilityNo cancel feeOn-time67%
DeltaCheapest$636Average$871FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$756Average$1,080FlexibilityNo cancel feeOn-time75%

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