Reykjavik

$391+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — REK
Jul 30 — Aug 61
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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 June 30, 2026.

This United Airlines deal was found by Cheapflights users on 6/28. 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.
Wed 10/73:11 pm
STL
-
KEF
1 stop12h 39m
United Airlines
Wed 10/149:15 am
KEF
-
STL
2 stops35h 28m
United Airlines
Deal found 6/28$771
This Justfly.com deal was found by Cheapflights users on 6/29. 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.
Tue 9/2912:10 pm
STL
-
KEF
1 stop14h 45m
Air Canada
Tue 10/610:00 am
KEF
-
STL
2 stops33h 17m
Air Canada
Deal found 6/29$774
This United Airlines deal was found by Cheapflights users on 6/29. 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 9/297:30 am
STL
-
KEF
3 stops19h 25m
United Airlines
Tue 10/610:00 am
KEF
-
STL
2 stops31h 13m
United Airlines
Deal found 6/29$779
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Mon 9/2110:53 am
STL
-
KEF
1 stop16h 57m
United Airlines
Wed 9/309:15 am
KEF
-
STL
2 stops34h 02m
United Airlines
Deal found 6/26$784
This Air Canada deal was found by Cheapflights users on 6/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:40 pm
STL
-
KEF
2 stops36h 15m
Air Canada
Wed 9/309:15 am
KEF
-
STL
2 stops42h 44m
Air Canada
Deal found 6/28$790
This United deal was found by Cheapflights users on 6/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:40 pm
STL
-
KEF
1 stop13h 05m
Multiple Airlines
Tue 10/1310:00 am
KEF
-
STL
1 stop15h 00m
Multiple Airlines
Deal found 6/27$792
This Icelandair deal was found by Cheapflights users on 6/28. 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 10/101:50 pm
STL
-
KEF
1 stop11h 45m
Multiple Airlines
Fri 10/164:45 pm
KEF
-
STL
1 stop21h 40m
Multiple Airlines
Deal found 6/28$826
This United Airlines deal was found by Cheapflights users on 6/28. 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 9/2212:10 pm
STL
-
KEF
1 stop14h 45m
United Airlines
Sun 10/49:15 am
KEF
-
STL
2 stops41h 06m
United Airlines
Deal found 6/28$829

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 June 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$771
(United Airlines)

One-way from

$391
(Kiwi.com)
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 June 30, 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 9/29

7:30 am-7:55 am

3 stops19h 25m

Reykjavik Keflavik Intl

Tue 10/6

10:00 am-12:13 pm

2 stops31h 13m

$779

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Mon 9/21

10:53 am-8:50 am

1 stop16h 57m

Reykjavik Keflavik Intl

Wed 9/30

9:15 am-2:17 pm

2 stops34h 02m

$784
Quickest round-trip

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sat 10/10

1:50 pm-6:35 am

1 stop11h 45m

Reykjavik Keflavik Intl

Sat 10/17

7:50 pm-7:40 am

1 stop16h 50m

$843

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 10/22

4:35 pm-9:10 am

1 stop11h 35m

Reykjavik Keflavik Intl

Fri 10/30

5:00 pm-7:40 am

1 stop19h 40m

$868

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

4:55 pm-7:45 am

1 stop19h 50m

$889

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Fri 10/9

10:27 am-8:50 am

1 stop17h 23m

Reykjavik Keflavik Intl

Sat 10/17

10:00 am-10:30 pm

2 stops41h 30m

$895

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sat 8/29

2:40 pm-6:35 am

1 stop10h 55m

Reykjavik Keflavik Intl

Mon 9/7

4:45 pm-9:30 am

1 stop21h 45m

$904

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sun 9/20

4:20 pm-8:40 am

1 stop11h 20m

Reykjavik Keflavik Intl

Wed 9/30

5:00 pm-7:40 am

1 stop19h 40m

$906
Cheapest one-way

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Wed 8/19

6:45 pm-7:40 am

3 stops31h 55m

$414
Quickest one-way

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Wed 7/29

12:10 pm-7:55 am

1 stop14h 45m

$464

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/27

Showing 1-10 of 17 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 June.
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 June 30, 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.

Food

7.2

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 $779, United Airlines can have you in Reykjavik from St. Louis in 19h 25m. Airlines will cover a distance of 3191 mi.

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

    Currently priced at $604, 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 KLM and United Airlines - these airlines can fly you to your destination from $756 and $783, 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?

Book flights to Reykjavik if you plan to visit one of these locations
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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 June 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$604Average$870FlexibilityNo cancel feeOn-time67%
KLMCheapest$756Average$1,080FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$783Average$1,106FlexibilityNo cancel feeOn-time69%
DeltaCheapest$784Average$1,080FlexibilityNo cancel feeOn-timeN/A

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