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Reykjavik

$780+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — REK
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
1 adult, Economy
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Cheap 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 November 19, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$780
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$1,264
Provider with most accurate pricing for Lambert-St Louis-Reykjavik (REK) flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Reykjavik (REK) flights.
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From Lambert-St Louis to Reykjavik (REK)
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Highest demand for flights based on searches. 10% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 19, 2025.

This Justfly.com deal was found by Cheapflights users on 11/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:57 pmSTL - KEF
2 stops38h 48mScandinavian Airlines
Mon 12/1511:30 amKEF - STL
2 stops26h 54mScandinavian Airlines
Deal found 11/19$869
This Icelandair deal was found by Cheapflights users on 11/17. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:30 amSTL - KEF
1 stop15h 45mMultiple Airlines
Sun 12/284:45 pmKEF - STL
1 stop20h 20mMultiple Airlines
Deal found 11/17$956
This Icelandair deal was found by Cheapflights users on 11/17. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/89:40 amSTL - KEF
1 stop14h 50mMultiple Airlines
Mon 12/155:00 pmKEF - STL
1 stop11h 00mMultiple Airlines
Deal found 11/17$958
This Travelocity deal was found by Cheapflights users on 11/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/234:05 pmSTL - KEF
2 stops40h 15mMultiple Airlines
Sun 11/303:20 pmKEF - STL
2 stops54h 09mMultiple Airlines
Deal found 11/16$1,091
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/149:54 amSTL - KEF
1 stop14h 21mMultiple Airlines
Sun 12/215:00 pmKEF - STL
2 stops22h 45mMultiple Airlines
Deal found 11/17$1,228
This Expedia deal was found by Cheapflights users on 11/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:00 amSTL - KEF
2 stops22h 20mMultiple Airlines
Sun 11/303:20 pmKEF - STL
2 stops54h 09mMultiple Airlines
Deal found 11/17$1,360

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 November 19, 2025.
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

Thu 2/5

10:01 pm-6:05 am

2 stops26h 04m

Reykjavik Keflavik Intl

Thu 2/12

4:55 pm-10:02 am

1 stop23h 07m

$780

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Mon 12/8

1:57 pm-10:45 am

2 stops38h 48m

Reykjavik Keflavik Intl

Mon 12/15

11:30 am-8:24 am

2 stops26h 54m

$869

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Wed 12/24

8:30 am-6:15 am

1 stop15h 45m

Reykjavik Keflavik Intl

Sun 12/28

4:45 pm-7:05 am

1 stop20h 20m

$956

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Mon 12/8

9:40 am-6:30 am

1 stop14h 50m

Reykjavik Keflavik Intl

Mon 12/15

5:00 pm-10:00 pm

1 stop11h 00m

$958

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Fri 1/23

6:40 pm-2:20 pm

2 stops37h 40m

Reykjavik Keflavik Intl

Tue 1/27

3:20 pm-1:55 pm

1 stop28h 35m

$973

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Wed 1/7

5:11 pm-6:05 am

2 stops30h 54m

Reykjavik Keflavik Intl

Sun 1/11

4:55 pm-10:02 am

1 stop23h 07m

$1,061

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 1/1

10:42 am-6:05 am

2 stops37h 23m

Reykjavik Keflavik Intl

Thu 1/8

5:15 pm-7:50 am

1 stop20h 35m

$1,090

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sun 11/23

4:05 pm-2:20 pm

2 stops40h 15m

Reykjavik Keflavik Intl

Sun 11/30

3:20 pm-3:29 pm

2 stops54h 09m

$1,091

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Expedia the most. Expedia 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 November 19, 2025.
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
8,002 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Boarding

8.1

Food

7.3

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
8,002 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Boarding

8.1

Food

7.3

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
1,412 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Boarding

8.1

Food

7.3

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
9,020 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Boarding

8.1

Food

7.3

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
10,462 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Boarding

8.1

Food

7.3

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 $869, Scandinavian Airlines can have you in Reykjavik from St. Louis in 38h 48m. Airlines will cover a distance of 3191 mi.

  • 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.
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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 November 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$566Average$748FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$595Average$1,103FlexibilityNo cancel feeOn-time69%
DeltaCheapest$636Average$1,036FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$828Average$1,147FlexibilityNo cancel feeOn-time75%

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