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Reykjavik

$429+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — REK
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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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 January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:10 pm
STL
-
KEF
1 stop14h 45m
United Airlines
Wed 8/2610:00 am
KEF
-
STL
2 stops34h 21m
United Airlines
Deal found 1/26$687
This Virgin Atlantic deal was found by Cheapflights users on 1/28. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:50 am
STL
-
KEF
2 stops17h 40m
Virgin Atlantic
Thu 4/2311:25 am
KEF
-
STL
2 stops14h 17m
Virgin Atlantic
Deal found 1/28$695
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Tue 9/81:30 pm
STL
-
KEF
1 stop13h 25m
United Airlines
Wed 9/169:15 am
KEF
-
STL
1 stop14h 02m
United Airlines
Deal found 1/28$727
This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:49 pm
STL
-
KEF
2 stops32h 56m
Air Canada
Tue 10/1310:00 am
KEF
-
STL
2 stops33h 18m
Air Canada
Deal found 1/28$733
This KLM deal was found by Cheapflights users on 1/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:51 am
STL
-
KEF
2 stops13h 29m
KLM
Wed 9/1611:25 am
KEF
-
STL
2 stops17h 12m
KLM
Deal found 1/28$739
This Gotogate deal was found by Cheapflights users on 1/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:10 pm
STL
-
KEF
2 stops39h 35m
Air Canada
Wed 8/2610:00 am
KEF
-
STL
2 stops33h 18m
Air Canada
Deal found 1/26$746
This United Airlines deal was found by Cheapflights users on 1/27. 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 9/221:30 pm
STL
-
KEF
1 stop13h 25m
United Airlines
Tue 9/2910:00 am
KEF
-
STL
2 stops35h 35m
United Airlines
Deal found 1/27$748

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$695
(Virgin Atlantic)

One-way from

$429
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$701
Provider with most accurate pricing for Lambert-St Louis-Reykjavik (REK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Reykjavik (REK) flights.
Search Deals
From Lambert-St Louis to Reykjavik (REK)
Search Deals
One-way flight from Lambert-St Louis to Reykjavik (REK)
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
Use the filters below to find and compare flights from St. Louis to Reykjavik that are best for you.

Fly from

St. Louis

Fly to

Reykjavik

Route

Depart

Return

Price

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Tue 7/7

5:00 am-8:45 am

2 stops22h 45m

Reykjavik Keflavik Intl

Tue 7/14

9:15 am-6:32 pm

1 stop14h 17m

$837

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Fri 4/3

3:30 pm-11:25 pm

1 stop26h 55m

Reykjavik Keflavik Intl

Sat 4/11

12:20 am-9:08 pm

2 stops49h 48m

$837

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sun 7/12

11:51 am-9:30 am

2 stops16h 39m

Reykjavik Keflavik Intl

Tue 7/21

11:25 am-11:37 pm

2 stops17h 12m

$843

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 4/2

7:03 am-9:30 am

2 stops21h 27m

Reykjavik Keflavik Intl

Fri 4/10

11:25 am-11:25 pm

2 stops41h 00m

$858

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 4/2

11:46 am-4:25 pm

2 stops23h 39m

Reykjavik Keflavik Intl

Sun 4/12

5:15 pm-10:14 pm

2 stops33h 59m

$875

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Fri 4/3

11:46 am-7:50 am

2 stops39h 04m

Reykjavik Keflavik Intl

Sun 4/12

8:35 am-10:14 pm

2 stops18h 39m

$875

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 4/2

1:34 pm-9:30 am

1 stop14h 56m

Reykjavik Keflavik Intl

Sun 4/12

11:25 am-12:05 pm

1 stop29h 40m

$898

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Tue 5/26

8:25 am-8:50 am

1 stop19h 25m

Reykjavik Keflavik Intl

Fri 6/5

9:15 am-10:27 am

2 stops30h 12m

$899

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sat 4/4

12:28 pm-9:30 am

2 stops16h 02m

Reykjavik Keflavik Intl

Sun 4/12

11:25 am-12:05 pm

1 stop29h 40m

$903

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 3/19

8:02 am-6:20 pm

2 stops29h 18m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 12 results
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 January.
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 January 29, 2026.
Peruse reviews from past customers who have flown with Delta, KLM, 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.
Delta
7.9
Good
8,127 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

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.
Delta
7.9
Good
8,127 reviews
Delta
7.9
Good
8,127 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

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.
KLM
7.7
Good
1,443 reviews
Delta
7.9
Good
8,127 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

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.
United Airlines
7.4
Good
9,215 reviews
Delta
7.9
Good
8,127 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

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.
Air Canada
7.1
Good
10,667 reviews
Delta
7.9
Good
8,127 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

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 $843, Air Canada can have you in Reykjavik from St. Louis in 16h 39m. 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 $566, Air Canada will fly you from St. Louis to Reykjavik and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $595 and $636, respectively. Users have found that Air Canada is 42% cheaper than the other options available to this destination.

  • 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

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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.
St. Louis to Keflavik Intl flights
Kansas City to Keflavik Intl flights
Springfield to Keflavik Intl flights

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$566Average$768FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$595Average$1,090FlexibilityNo cancel feeOn-time69%
DeltaCheapest$636Average$997FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$828Average$1,147FlexibilityNo cancel feeOn-time75%

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