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Reykjavik

$361+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — REK
may. 5 — may. 121
lun. 5/5
lun. 5/12
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 abril 30, 2025.

Round-trip from

$707
(KLM)

One-way from

$361
(Mytrip)
From Lambert-St Louis to Reykjavik
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One-way flight 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 abril 30, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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.
mié. 8/201:30 pmSTL - KEF
1 stop13h 40mUnited Airlines
mar. 8/269:50 amKEF - STL
2 stops31h 35mUnited Airlines
Deal found 4/29$618
This Air Canada deal was found by Cheapflights users on 4/28. 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.
dom. 8/174:00 pmSTL - KEF
1 stop11h 15mAir Canada
mar. 8/269:50 amKEF - STL
2 stops31h 35mAir Canada
Deal found 4/28$625
This KLM deal was found by Cheapflights users on 4/28. 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.
mar. 8/191:30 pmSTL - KEF
2 stops15h 00mKLM
jue. 8/2811:25 amKEF - STL
2 stops17h 14mKLM
Deal found 4/28$687
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/195:30 pmSTL - KEF
1 stop8h 30mDelta
lun. 8/259:30 amKEF - STL
1 stop9h 46mDelta
Deal found 4/28$689
This Lufthansa deal was found by Cheapflights users on 4/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/135:29 pmSTL - KEF
2 stops25h 06mLufthansa
lun. 5/1912:25 amKEF - STL
2 stops20h 22mLufthansa
Deal found 4/29$758
This Orbitz deal was found by Cheapflights users on 4/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/201:30 pmSTL - KEF
1 stop13h 40mMultiple Airlines
lun. 8/2512:25 amKEF - STL
2 stops20h 19mMultiple Airlines
Deal found 4/29$785
This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/153:30 pmSTL - KEF
2 stops27h 20mScandinavian Airlines
lun. 10/205:10 pmKEF - STL
2 stops35h 29mScandinavian Airlines
Deal found 4/28$810
This Finnair deal was found by Cheapflights users on 4/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/194:52 pmSTL - KEF
2 stops34h 08mFinnair
dom. 8/245:15 pmKEF - STL
2 stops35h 36mFinnair
Deal found 4/28$960
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/157:00 amSTL - KEF
1 stop21h 25mAlaska Airlines
lun. 10/207:45 pmKEF - STL
1 stop33h 11mAlaska Airlines
Deal found 4/29$1,205

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 abril 30, 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

mié. 8/20

1:30 pm-8:10 am

1 stop13h 40m

Reykjavik Keflavik Intl

mar. 8/26

9:50 am-12:25 pm

2 stops31h 35m

$618

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

dom. 8/17

4:00 pm-8:15 am

1 stop11h 15m

Reykjavik Keflavik Intl

mar. 8/26

9:50 am-12:25 pm

2 stops31h 35m

$625

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

mar. 8/19

1:30 pm-9:30 am

2 stops15h 00m

Reykjavik Keflavik Intl

jue. 8/28

11:25 am-11:39 pm

2 stops17h 14m

$687

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

mar. 8/19

5:30 pm-7:00 am

1 stop8h 30m

Reykjavik Keflavik Intl

lun. 8/25

9:30 am-2:16 pm

1 stop9h 46m

$689

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

mar. 5/13

5:29 pm-11:35 pm

2 stops25h 06m

Reykjavik Keflavik Intl

lun. 5/19

12:25 am-3:47 pm

2 stops20h 22m

$758

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

mié. 8/20

1:30 pm-8:10 am

1 stop13h 40m

Reykjavik Keflavik Intl

lun. 8/25

12:25 am-3:44 pm

2 stops20h 19m

$785

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

mié. 10/15

3:30 pm-11:50 pm

2 stops27h 20m

Reykjavik Keflavik Intl

lun. 10/20

5:10 pm-11:39 pm

2 stops35h 29m

$810

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

mar. 8/19

4:52 pm-8:00 am

2 stops34h 08m

Reykjavik Keflavik Intl

dom. 8/24

5:15 pm-11:51 pm

2 stops35h 36m

$960

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

mié. 10/15

7:00 am-9:25 am

1 stop21h 25m

Reykjavik Keflavik Intl

lun. 10/20

7:45 pm-11:56 pm

1 stop33h 11m

$1,205

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

dom. 6/8

10:10 am-4:45 am

2 stops37h 35m

$361

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 abril 30, 2025.
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
KLM
7.8
Good
1,334 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Scandinavian Airlines
7.3
Good
1,349 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Air Canada
7.0
Good
9,244 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.
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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 abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$566Average$739FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$626Average$1,110FlexibilityNo cancel feeOn-time69%
DeltaCheapest$651Average$1,028FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$856Average$1,182FlexibilityNo cancel feeOn-time75%

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