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Reykjavik

$417+ Cheap flights from St. Louis (STL) to Reykjavik

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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — REK
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 (IS1). 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 28, 2025.

Round-trip from

$800
(Air Canada)
From Lambert-St Louis to Reykjavik
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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 March 28, 2025.

This Expedia deal was found by Cheapflights users on 3/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:14 amSTL - KEF
2 stops41h 41mBritish Airways
Tue 12/1611:45 amKEF - STL
2 stops40h 02mBritish Airways
Deal found 3/27$656
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/14:05 pmSTL - KEF
2 stops35h 30mAir Canada
Thu 9/1110:00 amKEF - STL
2 stops14h 57mAir Canada
Deal found 3/27$736
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/159:20 amSTL - KEF
3 stops38h 35mMultiple Airlines
Sun 10/193:05 pmKEF - STL
2 stops21h 44mMultiple Airlines
Deal found 3/27$753
This Lufthansa deal was found by Cheapflights users on 3/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/173:30 pmSTL - KEF
1 stop16h 35mLufthansa
Tue 10/214:10 pmKEF - STL
2 stops26h 20mLufthansa
Deal found 3/27$811
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1410:45 amSTL - KEF
1 stop14h 35mDelta
Sun 9/288:50 amKEF - STL
1 stop12h 57mDelta
Deal found 3/26$849
This KLM deal was found by Cheapflights users on 3/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/122:15 pmSTL - KEF
1 stop11h 05mKLM
Tue 5/208:50 amKEF - STL
1 stop12h 57mKLM
Deal found 3/27$873
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Sun 5/255:00 amSTL - KEF
1 stop22h 30mUnited Airlines
Mon 6/29:50 amKEF - STL
1 stop31h 46mUnited Airlines
Deal found 3/27$926
This Gurufare deal was found by Cheapflights users on 3/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1812:51 pmSTL - KEF
2 stops29h 59mScandinavian Airlines
Fri 4/253:50 pmKEF - STL
2 stops36h 46mScandinavian Airlines
Deal found 3/28$940
This Air France deal was found by Cheapflights users on 3/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/262:15 pmSTL - KEF
1 stop11h 05mAir France
Sun 6/19:30 amKEF - STL
1 stop18h 56mAir France
Deal found 3/27$1,011
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:00 amSTL - KEF
1 stop17h 15mAlaska Airlines
Tue 11/185:05 pmKEF - STL
1 stop26h 47mAlaska Airlines
Deal found 3/27$1,257

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 28, 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

Mon 9/1

4:05 pm-8:35 am

2 stops35h 30m

Reykjavik Keflavik Intl

Thu 9/11

10:00 am-7:57 pm

2 stops14h 57m

$736

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 4/10

6:10 pm-4:45 am

2 stops29h 35m

Reykjavik Keflavik Intl

Mon 4/14

3:45 pm-6:41 pm

3 stops31h 56m

$807

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sun 9/14

10:45 am-6:20 am

1 stop14h 35m

Reykjavik Keflavik Intl

Sun 9/28

8:50 am-4:47 pm

1 stop12h 57m

$849

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Mon 5/12

2:15 pm-6:20 am

1 stop11h 05m

Reykjavik Keflavik Intl

Tue 5/20

8:50 am-4:47 pm

1 stop12h 57m

$873

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sun 8/24

5:30 pm-11:35 pm

2 stops25h 05m

Reykjavik Keflavik Intl

Sun 8/31

12:25 am-3:44 pm

2 stops20h 19m

$895

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sun 5/25

5:00 am-8:30 am

1 stop22h 30m

Reykjavik Keflavik Intl

Mon 6/2

9:50 am-12:36 pm

1 stop31h 46m

$926

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Fri 4/18

12:51 pm-11:50 pm

2 stops29h 59m

Reykjavik Keflavik Intl

Fri 4/25

3:50 pm-11:36 pm

2 stops36h 46m

$940

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Mon 5/26

2:15 pm-6:20 am

1 stop11h 05m

Reykjavik Keflavik Intl

Sun 6/1

9:30 am-11:26 pm

1 stop18h 56m

$1,011

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Fri 4/18

3:11 pm-9:25 am

1 stop13h 14m

Reykjavik Keflavik Intl

Fri 4/25

7:45 pm-11:59 pm

1 stop33h 14m

$1,276

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sat 5/24

1:38 pm-9:45 am

2 stops39h 07m

Reykjavik Keflavik Intl

Fri 5/30

10:30 am-9:52 pm

2 stops40h 22m

$1,461

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 14 results
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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

What is the cheapest month to book a flight from St. Louis to Reykjavik?

Currently, November is the cheapest month in which you can book a flight from St. Louis to Reykjavik (average of $328). Flying from St. Louis to Reykjavik in July is currently the most expensive (average of $651). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Reykjavik by month

Plan your trip to Reykjavik by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reykjavik ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik when rainfall is around 1.6 in.

Temperature in Reykjavik by month

Plan your trip to Reykjavik by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reykjavik, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 28, 2025.
See what other customers who have flown with Alaska Airlines, Delta and KLM from St. Louis to Reykjavik have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,798 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,798 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,896 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
KLM
7.8
Good
1,321 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Austrian Airlines
7.5
Good
769 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Air France
7.4
Good
1,424 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Reykjavik. You should not have trouble finding flights to Reykjavik from Lambert-St Louis; the airport handles an average of 0 outbound flights to Reykjavik per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the St. Louis airport to Reykjavik. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

  • 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.

  • What is the cheapest month to book a flight from St. Louis to Reykjavik?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Reykjavik (average of $328). Flying from St. Louis to Reykjavik in July is currently the most expensive (average of $651). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$566Average$748FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$626Average$1,090FlexibilityNo cancel feeOn-time69%
DeltaCheapest$666Average$956FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$856Average$1,142FlexibilityNo cancel feeOn-time75%
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