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Cheap flights from St. Louis (STL) to Keflavik Intl (KEF) from $369

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 7/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — KEF
May 11 — May 181
From?
To?
Sat 5/11
Sat 5/18
1 adult, Economy
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Cheap flight deals from St. Louis to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Keflavik Intl (KEF). 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 May 6, 2024.

Popular in

December

Cheapest in

September

Average price

$969

Round-trip from

$338
High demand for flights, 57% potential price rise
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Best time to find cheap flights, 32% potential price drop
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Average for round-trip flights in May 2024
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From Lambert-St Louis to Reykjavik Keflavik Intl
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What is the cheapest day to fly round-trip from St. Louis to Reykjavik Keflavik Intl Airport?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 57% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from St. Louis to Reykjavik Keflavik Intl Airport?

Find a great deal and save up to 38% by booking at least 42 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Reykjavik Keflavik Intl Airport within the next two weeks, with the cheapest ticket starting at $1,053.

What is the cheapest month to fly from St. Louis to Reykjavik Keflavik Intl Airport?

The best pricing can be found in the month of February. Prices to Reykjavik Keflavik Intl Airport from St. Louis average $1,090. You can even find prices in February for less than $1,090, as users have found deals to Reykjavik Keflavik Intl Airport from as low as $784. The month of November appears to be one of the more expensive times to travel to Reykjavik Keflavik Intl Airport from St. Louis. Flying in the targeted month can save you up to 49%.

When is the cheapest time to fly from St. Louis to Reykjavik Keflavik Intl Airport (STL - KEF)?

When flying from St. Louis to Reykjavik Keflavik Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 10% versus a flight at noon.

Cheap Delta flights from St. Louis to Keflavik Intl

Explore cheap flight options specifically provided by Delta for the route between St. Louis and Keflavik Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
Take a peek at the cheapest Delta flights we've detected traveling from St. Louis to Reykjavik. Be sure to come back soon if the deals available don't appeal to you at this time.
Mon 10/142:05 pmSTL - KEF
1 stop11h 15mDelta
Mon 10/218:50 amKEF - STL
1 stop16h 41mDelta
Deal found 5/5$640
Mon 10/142:05 pmSTL - KEF
1 stop11h 15mDelta
Mon 10/218:50 amKEF - STL
2 stops29h 01mDelta
Deal found 5/5$645
Sun 9/18:00 amSTL - KEF
2 stops17h 20mDelta
Sun 9/158:50 amKEF - STL
1 stop16h 41mDelta
Deal found 5/5$705
Tue 7/910:18 amSTL - KEF
1 stop15h 42mDelta
Tue 7/168:50 amKEF - STL
1 stop16h 46mDelta
Deal found 5/5$746
Mon 7/83:24 pmSTL - KEF
1 stop10h 36mDelta
Sat 7/209:30 amKEF - STL
1 stop17h 06mDelta
Deal found 5/5$796
Sat 7/1310:18 amSTL - KEF
1 stop15h 42mDelta
Sat 7/209:30 amKEF - STL
1 stop17h 06mDelta
Deal found 5/5$846
Fri 6/76:06 amSTL - KEF
1 stop19h 54mDelta
Tue 6/189:30 amKEF - STL
1 stop12h 31mDelta
Deal found 5/5$947
Wed 10/210:00 amSTL - KEF
2 stops18h 30mDelta
Wed 10/98:50 amKEF - STL
2 stops29h 01mDelta
Deal found 5/5$951
Thu 7/411:25 amSTL - KEF
1 stop13h 51mDelta
Sun 7/149:30 amKEF - STL
1 stop17h 06mDelta
Deal found 5/5$991

Cheap Air Canada flights from St. Louis to Keflavik Intl

Explore cheap flight options specifically provided by Air Canada for the route between St. Louis and Keflavik Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
To aid your search, here are some of the cheapest Air Canada flights we've found from St. Louis to Reykjavik. Deals are refreshing constantly so come back soon for more options.
Sun 9/14:05 pmSTL - KEF
1 stop11h 30mAir Canada
Sun 9/1510:00 amKEF - STL
1 stop10h 20mAir Canada
Deal found 5/5$669
Sat 8/1712:00 pmSTL - KEF
1 stop15h 35mAir Canada
Sat 8/2410:00 amKEF - STL
1 stop16h 05mAir Canada
Deal found 5/5$686
Sat 8/1710:10 amSTL - KEF
2 stops17h 25mAir Canada
Sat 8/2410:00 amKEF - STL
1 stop16h 05mAir Canada
Deal found 5/5$692
Sat 8/1712:00 pmSTL - KEF
2 stops15h 35mAir Canada
Sat 8/2410:00 amKEF - STL
2 stops15h 01mAir Canada
Deal found 5/5$698
Tue 7/912:00 pmSTL - KEF
1 stop15h 35mAir Canada
Tue 7/1610:00 amKEF - STL
2 stops15h 01mAir Canada
Deal found 5/5$737
Tue 7/910:10 amSTL - KEF
2 stops17h 25mAir Canada
Tue 7/1610:00 amKEF - STL
2 stops15h 01mAir Canada
Deal found 5/5$743
Tue 8/612:00 pmSTL - KEF
1 stop15h 35mAir Canada
Sat 8/1710:00 amKEF - STL
1 stop15h 01mAir Canada
Deal found 5/5$787
Mon 7/810:10 amSTL - KEF
2 stops41h 25mAir Canada
Sat 7/2010:00 amKEF - STL
2 stops34h 21mAir Canada
Deal found 5/5$814
Fri 7/512:00 pmSTL - KEF
1 stop15h 35mAir Canada
Fri 7/1210:00 amKEF - STL
1 stop10h 21mAir Canada
Deal found 5/5$932

Cheap St. Louis to Keflavik Intl flights in May & June 2024

Find cheap flight options from St. Louis to Keflavik Intl specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,689,106 searches. Prices were last updated on May 6, 2024.
These are some of the most attractive deals on flights from St. Louis to Reykjavik in 2024. Check back soon for alternative fares.
Thu 5/307:30 pmSTL - KEF
2 stops28h 20mMultiple Airlines
Tue 6/49:35 amKEF - STL
3 stops32h 30mMultiple Airlines
Deal found 5/5$665
Thu 5/307:30 pmSTL - KEF
3 stops28h 15mMultiple Airlines
Tue 6/49:35 amKEF - STL
3 stops32h 30mMultiple Airlines
Deal found 5/5$766
Thu 5/307:30 pmSTL - KEF
2 stops28h 20mMultiple Airlines
Tue 6/44:50 pmKEF - STL
2 stops25h 15mMultiple Airlines
Deal found 5/5$816
Sun 6/26:19 pmSTL - KEF
3 stops29h 26mMultiple Airlines
Sun 6/93:05 pmKEF - STL
2 stops27h 46mMultiple Airlines
Deal found 5/5$830
Sun 6/27:30 pmSTL - KEF
2 stops28h 15mMultiple Airlines
Sun 6/93:05 pmKEF - STL
2 stops27h 46mMultiple Airlines
Deal found 5/5$835
Mon 6/34:05 pmSTL - KEF
3 stops31h 40mMultiple Airlines
Mon 6/105:00 pmKEF - STL
2 stops22h 57mMultiple Airlines
Deal found 5/4$856
Tue 6/46:30 amSTL - KEF
1 stop21h 00mMultiple Airlines
Tue 6/1110:00 amKEF - STL
2 stops34h 21mMultiple Airlines
Deal found 5/5$876
Tue 6/410:50 amSTL - KEF
1 stop15h 10mMultiple Airlines
Tue 6/1110:00 amKEF - STL
1 stop16h 05mMultiple Airlines
Deal found 5/5$881
Tue 6/41:42 pmSTL - KEF
2 stops13h 48mMultiple Airlines
Tue 6/1110:00 amKEF - STL
2 stops34h 21mMultiple Airlines
Deal found 5/5$891

St. Louis to Keflavik Intl 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Keflavik Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
These are some of the most attractive deals on flights from St. Louis to Reykjavik in 2024. Check back soon for alternative fares.
Mon 10/146:45 amSTL - KEF
1 stop18h 35mDelta
Mon 10/218:50 amKEF - STL
1 stop16h 41mDelta
Deal found 5/6$640
Mon 10/146:30 amSTL - KEF
2 stops18h 50mDelta
Mon 10/218:50 amKEF - STL
1 stop16h 41mDelta
Deal found 5/6$645
Thu 5/307:30 pmSTL - KEF
2 stops28h 20mMultiple Airlines
Tue 6/49:35 amKEF - STL
3 stops32h 30mMultiple Airlines
Deal found 5/5$665
Sun 9/14:05 pmSTL - KEF
1 stop11h 30mAir Canada
Sun 9/1510:00 amKEF - STL
1 stop10h 20mAir Canada
Deal found 5/5$669
Sat 8/176:30 amSTL - KEF
1 stop21h 00mMultiple Airlines
Sat 8/2410:00 amKEF - STL
2 stops34h 21mMultiple Airlines
Deal found 5/6$686
Sat 8/1710:10 amSTL - KEF
2 stops17h 25mAir Canada
Sat 8/2410:00 amKEF - STL
1 stop16h 05mAir Canada
Deal found 5/5$692
Sat 8/1712:00 pmSTL - KEF
2 stops15h 35mAir Canada
Sat 8/2410:00 amKEF - STL
2 stops15h 01mAir Canada
Deal found 5/5$698
Sun 9/15:20 pmSTL - KEF
3 stops32h 40mMultiple Airlines
Sun 9/1510:00 amKEF - STL
2 stops34h 20mMultiple Airlines
Deal found 5/5$701
Sun 9/18:00 amSTL - KEF
2 stops17h 20mDelta
Sun 9/158:50 amKEF - STL
1 stop16h 41mDelta
Deal found 5/5$705

One-way flights to Keflavik Intl from St. Louis

Search for one-way flight options from St. Louis to Keflavik Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
Users traveling one-way from St. Louis to Reykjavik can select one of these great deals. Those seeking round-trip flights from St. Louis to Reykjavik should utilize the search form at the the top of the page.
Sun 7/2112:00 pmSTL - KEF
1 stop15h 35mAir Canada
Deal found 5/5$369
Mon 7/222:10 pmSTL - KEF
1 stop11h 10mAir France
Deal found 5/5$374
Tue 7/236:15 amSTL - KEF
1 stop19h 45mDelta
Deal found 5/5$413
Fri 6/143:07 pmSTL - KEF
3 stops51h 48mMultiple Airlines
Deal found 5/5$520
Tue 7/2310:10 amSTL - KEF
2 stops32h 20mMultiple Airlines
Deal found 5/5$536
Tue 7/2310:34 amSTL - KEF
3 stops24h 51mMultiple Airlines
Deal found 5/5$569
Sun 7/216:45 amSTL - KEF
3 stops20h 30mMultiple Airlines
Deal found 5/5$581
Sun 7/216:45 amSTL - KEF
3 stops20h 30mMultiple Airlines
Deal found 5/5$582
Fri 6/144:45 pmSTL - KEF
2 stops32h 55mMultiple Airlines
Deal found 5/5$693

Find flights from St. Louis to Keflavik Intl within your budget

Customize your flight search to find flights from St. Louis to Keflavik Intl 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 2,689,106 searches. Data last updated May 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$640 - $1,212

Route

Depart

Return

Price

Lambert-St LouisReykjavik Keflavik Intl

STL - KEF

STLKEF

Lambert-St Louis

Mon 10/14

1 stop11h 15m

Reykjavik Keflavik Intl

Mon 10/21

1 stop16h 41m

$640

Lambert-St LouisReykjavik Keflavik Intl

STL - KEF

STLKEF

Lambert-St Louis

Mon 10/14

1 stop11h 15m

Reykjavik Keflavik Intl

Mon 10/21

2 stops29h 01m

$645

Lambert-St LouisReykjavik Keflavik Intl

STL - KEF

STLKEF

Lambert-St Louis

Thu 5/30

2 stops28h 20m

Reykjavik Keflavik Intl

Tue 6/4

3 stops32h 30m

$665

Lambert-St LouisReykjavik Keflavik Intl

STL - KEF

STLKEF

Lambert-St Louis

Sun 9/1

1 stop11h 30m

Reykjavik Keflavik Intl

Sun 9/15

1 stop10h 20m

$669

Lambert-St LouisReykjavik Keflavik Intl

STL - KEF

STLKEF

Lambert-St Louis

Fri 9/13

2 stops14h 50m

Reykjavik Keflavik Intl

Tue 9/17

2 stops16h 13m

$755

Lambert-St LouisReykjavik Keflavik Intl

STL - KEF

STLKEF

Lambert-St Louis

Wed 10/2

2 stops31h 03m

Reykjavik Keflavik Intl

Tue 10/8

2 stops27h 50m

$948

Lambert-St LouisReykjavik Keflavik Intl

STL - KEF

STLKEF

Lambert-St Louis

Sun 8/4

2 stops18h 19m

Reykjavik Keflavik Intl

Thu 8/8

2 stops14h 20m

$1,146

Lambert-St LouisReykjavik Keflavik Intl

STL - KEF

STLKEF

Lambert-St Louis

Sun 9/1

2 stops29h 35m

Reykjavik Keflavik Intl

Sat 9/14

1 stop18h 05m

$1,175

Lambert-St LouisReykjavik Keflavik Intl

STL - KEF

STLKEF

Lambert-St Louis

Thu 5/23

1 stop11h 02m

Reykjavik Keflavik Intl

Thu 5/30

1 stop18h 38m

$1,212

Flights are sorted by cheapest first

Deals found on 5/5

When is the cheapest time to fly from St. Louis to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Keflavik Intl. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Reykjavik Keflavik Intl Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Keflavik Intl by month

Plan your trip from St. Louis to Keflavik Intl by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Keflavik Intl is currently $515 while a round-trip flight costs $873. Price data was last updated on May 5, 2024.

Currently, January is the cheapest month in which you can book a flight from St. Louis to Reykjavik Keflavik Intl Airport (average of $339). Flying from St. Louis to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $733). 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.

January

$339

February

$392

March

$460

April

$520

May

$536

June

$683

July

$733

August

$670

September

$694

October

$492

November

$416

December

$413

Temperature and rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature and rainfall totals by month.

KEF

Temperature

32 - 51.8 °F

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. 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 Keflavik Intl. Reviews last updated May 6, 2024.
To help decide which airline to fly from St. Louis to Reykjavik, see what other customers have to say about Delta, Air Canada and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,818 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.1
Very good
10,818 reviews
Delta
8.1
Very good
10,818 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,602 reviews
Delta
8.1
Very good
10,818 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Austrian Airlines
7.7
Good
1,068 reviews
Delta
8.1
Very good
10,818 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air France
7.5
Good
1,783 reviews
Delta
8.1
Very good
10,818 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
11,090 reviews
Delta
8.1
Very good
10,818 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Keflavik Intl. 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 Keflavik Intl?

    Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to Reykjavik Keflavik Intl from St. Louis. Booking flights from Lambert-St Louis (STL) to Reykjavik Keflavik Intl should be relatively easy as there are 0 daily outbound flights to Reykjavik Keflavik Intl from 4 different airlines.

  • Can I find flights from St. Louis to Reykjavik Keflavik Intl Airport for under $700 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Reykjavik Keflavik Intl Airport for under $700. The cheapest flight booked recently is on Delta for just $640, but on average you can expect to pay $725.

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

    Our cheapest airline available from St. Louis to Reykjavik Keflavik Intl Airport is Delta. Our recent data shows that you can find tickets from as low as $640 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at $669 and $755 round-trip. Delta is 43% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from St. Louis to Reykjavik Keflavik Intl Airport one-way?

    $369 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Air France and Delta, with prices starting from $374 and $413, respectively.

  • What are the most popular airlines that fly from St. Louis to Reykjavik Keflavik Intl Airport?

    Before booking your flight from St. Louis to Reykjavik Keflavik Intl Airport check out the most popular airlines for this route: Air Canada, British Airways or Delta.

  • What does STL to KEF mean?

    STL stands for Lambert-St Louis Airport, while KEF stands for Reykjavik Keflavik Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from St. Louis to Keflavik Intl that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Keflavik Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Keflavik Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Keflavik Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on St. Louis to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Keflavik Intl.

  • Can I find deals for business class flights from St. Louis to Keflavik Intl?

    Yes. Cheapflights offers flight deals from St. Louis to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Keflavik Intl that allow pets onboard?

    Many airlines flying from St. Louis to Keflavik Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Keflavik Intl?

    Yes, you can often find last-minute deals on St. Louis to Keflavik Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Reykjavik Keflavik Intl Airport flight deals updated?

    The St. Louis to Reykjavik Keflavik Intl Airport flight deals you see on this page were last updated on 5/6.

See more FAQs

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Alternative routes for St. Louis to Keflavik Intl
See prices for flight routes from nearby airports that may be better suited for you.

Kansas City to Keflavik Intl flights
Springfield to Keflavik Intl flights

Top 4 airlines flying from St. Louis to Keflavik Intl

Discover the top 4 airlines that operate flights from St. Louis to Keflavik Intl. 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 2,689,106 searches. Data last updated May 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$690Average$1,055FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest$695Average$757FlexibilityNo cancel feeOn-time70%
Search British Airways flights
DeltaCheapest$722Average$993FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$813Average$1,176FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from St. Louis to Keflavik Intl by cabin class

Find flights from St. Louis to Keflavik Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Prem Econ Class
Economy Class

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