HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from San Antonio (SAT) to Keflavik Intl (KEF) from $324

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 8/25. 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.
SAT — KEF
May 8 — May 151
From?
To?
Wed 5/8
Wed 5/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Cheap flight deals from San Antonio to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) 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 3, 2024.

Round-trip from

$336

One-way from

$324
From San Antonio to Reykjavik Keflavik Intl
Search Deals
One-way flight from San Antonio to Reykjavik Keflavik Intl
Search Deals

What is the cheapest day to fly round-trip from San Antonio to Reykjavik Keflavik Intl Airport?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 32% when planning your travel around this day of the week.

How far in advance should I book a flight from San Antonio to Reykjavik Keflavik Intl Airport?

To save on the cost of your flight from San Antonio to Reykjavik Keflavik Intl Airport, book at least 29 days before your planned departure. Booking around this time can save you about 157% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,539 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,824.

What is the cheapest month to fly from San Antonio to Reykjavik Keflavik Intl Airport?

The best pricing can be found in the month of January. Prices to Reykjavik Keflavik Intl Airport from San Antonio average $1,034. You can even find prices in January for less than $1,034, as users have found deals to Reykjavik Keflavik Intl Airport from as low as $783. The month of November appears to be one of the more expensive times to travel to Reykjavik Keflavik Intl Airport from San Antonio. Flying in the targeted month can save you up to 27%.

When is the cheapest time to fly from San Antonio to Reykjavik Keflavik Intl Airport (SAT - KEF)?

When flying from San Antonio 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 afternoon, which can drop the price by up to 23% versus a flight at noon.

Cheap United Airlines flights from San Antonio to Keflavik Intl

Explore cheap flight options specifically provided by United Airlines for the route between San Antonio 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 2,899,487 searches. Data last updated May 3, 2024.
Peruse some of the lowest-priced United Airlines flights we've found from San Antonio to Reykjavik. Make sure to double check the flight details before booking.
Tue 9/249:40 amSAT - KEF
2 stops16h 20mUnited Airlines
Tue 10/111:00 amKEF - SAT
2 stops14h 26mUnited Airlines
Deal found 5/2$595
Fri 9/2712:50 pmSAT - KEF
1 stop13h 10mUnited Airlines
Mon 10/710:00 amKEF - SAT
2 stops30h 41mUnited Airlines
Deal found 5/2$668
Fri 9/277:00 amSAT - KEF
2 stops19h 00mUnited Airlines
Mon 10/710:00 amKEF - SAT
3 stops39h 56mUnited Airlines
Deal found 5/2$673
Thu 9/121:07 pmSAT - KEF
1 stop12h 53mUnited Airlines
Mon 9/2310:00 amKEF - SAT
2 stops34h 24mUnited Airlines
Deal found 5/2$679
Thu 9/125:20 amSAT - KEF
2 stops20h 40mUnited Airlines
Mon 9/2310:00 amKEF - SAT
2 stops34h 24mUnited Airlines
Deal found 5/2$683
Thu 9/51:07 pmSAT - KEF
1 stop12h 53mUnited Airlines
Mon 9/1611:00 amKEF - SAT
2 stops17h 00mUnited Airlines
Deal found 5/2$705
Tue 9/245:07 pmSAT - KEF
1 stop10h 23mUnited Airlines
Mon 9/3010:00 amKEF - SAT
2 stops31h 22mUnited Airlines
Deal found 5/2$729
Tue 9/245:15 amSAT - KEF
3 stops20h 45mUnited Airlines
Mon 9/3010:00 amKEF - SAT
2 stops31h 22mUnited Airlines
Deal found 5/2$733
Fri 9/207:00 amSAT - KEF
1 stop20h 30mUnited Airlines
Sun 9/2910:00 amKEF - SAT
2 stops31h 22mUnited Airlines
Deal found 5/2$734

Cheap Air Canada flights from San Antonio to Keflavik Intl

Explore cheap flight options specifically provided by Air Canada for the route between San Antonio 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 2,899,487 searches. Data last updated May 3, 2024.
Some of the best deals we've found on Air Canada flights traveling from San Antonio to Reykjavik. Ensure the flight price, dates, time, and airline match your criteria before you book.
Mon 9/235:15 amSAT - KEF
2 stops22h 20mAir Canada
Mon 9/3010:00 amKEF - SAT
2 stops34h 54mAir Canada
Deal found 5/2$656
Fri 8/169:40 amSAT - KEF
2 stops17h 55mAir Canada
Tue 8/2010:00 amKEF - SAT
2 stops31h 11mAir Canada
Deal found 5/2$780
Fri 8/167:00 amSAT - KEF
2 stops20h 35mAir Canada
Tue 8/2010:00 amKEF - SAT
2 stops31h 18mAir Canada
Deal found 5/1$862
Fri 9/209:40 amSAT - KEF
3 stops17h 55mAir Canada
Sat 9/2810:00 amKEF - SAT
3 stops18h 14mAir Canada
Deal found 5/2$868
Tue 9/249:40 amSAT - KEF
3 stops17h 55mAir Canada
Mon 9/3010:00 amKEF - SAT
3 stops18h 14mAir Canada
Deal found 5/2$893
Fri 6/75:30 amSAT - KEF
2 stops22h 05mAir Canada
Fri 6/2110:00 amKEF - SAT
2 stops31h 09mAir Canada
Deal found 5/3$946
Fri 6/79:40 amSAT - KEF
3 stops17h 55mAir Canada
Fri 6/2110:00 amKEF - SAT
3 stops27h 28mAir Canada
Deal found 5/3$1,058
Thu 9/59:40 amSAT - KEF
3 stops17h 55mAir Canada
Mon 9/1610:00 amKEF - SAT
3 stops18h 00mAir Canada
Deal found 5/2$1,118

Cheap San Antonio to Keflavik Intl flights in May & June 2024

Find cheap flight options from San Antonio 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 2,899,487 searches. Prices were last updated on May 3, 2024.
These are some of the best deals we've found on flights to Reykjavik in 2024 at this time. For more flight deals, be sure to check back very soon.
Mon 6/31:12 pmSAT - KEF
1 stop12h 03mMultiple Airlines
Wed 6/125:00 pmKEF - SAT
2 stops23h 36mMultiple Airlines
Deal found 5/2$667
Mon 6/35:46 amSAT - KEF
2 stops19h 29mMultiple Airlines
Wed 6/125:00 pmKEF - SAT
2 stops23h 36mMultiple Airlines
Deal found 5/2$758
Sun 6/21:58 pmSAT - KEF
1 stop11h 17mMultiple Airlines
Sat 6/85:00 pmKEF - SAT
2 stops30h 09mMultiple Airlines
Deal found 5/2$815
Sun 6/27:34 pmSAT - KEF
2 stops29h 41mMultiple Airlines
Sat 6/85:00 pmKEF - SAT
2 stops30h 09mMultiple Airlines
Deal found 5/2$864
Sat 6/15:10 pmSAT - KEF
2 stops30h 40mMultiple Airlines
Sat 6/89:35 amKEF - SAT
3 stops29h 16mMultiple Airlines
Deal found 5/2$872
Mon 6/36:08 amSAT - KEF
1 stop19h 50mAir France
Wed 6/129:30 amKEF - SAT
1 stop12h 57mAir France
Deal found 5/2$891
Sat 6/15:10 pmSAT - KEF
2 stops30h 40mMultiple Airlines
Sat 6/85:00 pmKEF - SAT
2 stops30h 09mMultiple Airlines
Deal found 5/2$896
Mon 6/37:00 amSAT - KEF
2 stops20h 35mMultiple Airlines
Wed 6/1210:00 amKEF - SAT
3 stops27h 28mMultiple Airlines
Deal found 5/2$902
Thu 6/63:00 pmSAT - KEF
1 stop13h 30mDelta
Fri 6/148:50 amKEF - SAT
1 stop18h 32mDelta
Deal found 5/2$941

San Antonio to Keflavik Intl 2024 flight deals

Discover exclusive flight deals for travel between San Antonio and Keflavik Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 3, 2024.
These are some of the best deals we've found on flights to Reykjavik in 2024 at this time. For more flight deals, be sure to check back very soon.
Tue 9/247:00 amSAT - KEF
2 stops19h 00mUnited Airlines
Tue 10/111:00 amKEF - SAT
2 stops14h 26mUnited Airlines
Deal found 5/3$595
Mon 9/235:15 amSAT - KEF
2 stops22h 20mAir Canada
Mon 9/3010:00 amKEF - SAT
2 stops34h 54mAir Canada
Deal found 5/2$656
Mon 6/31:12 pmSAT - KEF
1 stop12h 03mMultiple Airlines
Wed 6/125:00 pmKEF - SAT
2 stops23h 36mMultiple Airlines
Deal found 5/2$667
Fri 9/2712:50 pmSAT - KEF
1 stop13h 10mUnited Airlines
Mon 10/710:00 amKEF - SAT
2 stops30h 41mUnited Airlines
Deal found 5/2$668
Fri 9/277:00 amSAT - KEF
2 stops19h 00mUnited Airlines
Mon 10/710:00 amKEF - SAT
3 stops39h 56mUnited Airlines
Deal found 5/2$673
Thu 9/121:07 pmSAT - KEF
1 stop12h 53mUnited Airlines
Mon 9/2310:00 amKEF - SAT
2 stops34h 24mUnited Airlines
Deal found 5/2$679
Thu 9/125:20 amSAT - KEF
2 stops20h 40mUnited Airlines
Mon 9/2310:00 amKEF - SAT
2 stops34h 24mUnited Airlines
Deal found 5/2$683
Tue 9/2412:10 pmSAT - KEF
1 stop16h 20mDelta
Tue 10/18:50 amKEF - SAT
1 stop11h 20mDelta
Deal found 5/2$690
Thu 9/512:10 pmSAT - KEF
1 stop16h 20mDelta
Mon 9/168:50 amKEF - SAT
1 stop18h 47mDelta
Deal found 5/2$701

One-way flights to Keflavik Intl from San Antonio

Search for one-way flight options from San Antonio 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 2,899,487 searches. Data last updated May 3, 2024.
If you're seeking multiple options on one-way flights from San Antonio to Reykjavik, be sure to check out these deals, which are updated often. Those seeking round-trip flights from San Antonio to Reykjavik should utilize the search form at the the top of the page.
Sun 8/254:48 pmSAT - KEF
2 stops31h 07mMultiple Airlines
Deal found 5/2$324
Wed 8/285:39 pmSAT - KEF
2 stops30h 16mMultiple Airlines
Deal found 5/2$338
Wed 8/285:00 amSAT - KEF
3 stops18h 45mMultiple Airlines
Deal found 5/2$391
Sun 8/257:15 pmSAT - KEF
3 stops28h 40mMultiple Airlines
Deal found 5/2$407
Sun 8/251:59 pmSAT - KEF
1 stop13h 56mMultiple Airlines
Deal found 5/2$524

Find flights from San Antonio to Keflavik Intl within your budget

Customize your flight search to find flights from San Antonio 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 2,899,487 searches. Data last updated May 3, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$595 - $1,031

Route

Depart

Return

Price

San AntonioReykjavik Keflavik Intl

SAT - KEF

SATKEF

San Antonio

Tue 9/24

2 stops16h 20m

Reykjavik Keflavik Intl

Tue 10/1

2 stops14h 26m

$595

San AntonioReykjavik Keflavik Intl

SAT - KEF

SATKEF

San Antonio

Mon 9/23

2 stops22h 20m

Reykjavik Keflavik Intl

Mon 9/30

2 stops34h 54m

$656

San AntonioReykjavik Keflavik Intl

SAT - KEF

SATKEF

San Antonio

Mon 6/3

1 stop12h 03m

Reykjavik Keflavik Intl

Wed 6/12

2 stops23h 36m

$667

San AntonioReykjavik Keflavik Intl

SAT - KEF

SATKEF

San Antonio

Fri 9/27

1 stop13h 10m

Reykjavik Keflavik Intl

Mon 10/7

2 stops30h 41m

$668

San AntonioReykjavik Keflavik Intl

SAT - KEF

SATKEF

San Antonio

Tue 9/24

1 stop16h 20m

Reykjavik Keflavik Intl

Tue 10/1

1 stop11h 20m

$690

San AntonioReykjavik Keflavik Intl

SAT - KEF

SATKEF

San Antonio

Thu 9/5

2 stops29h 10m

Reykjavik Keflavik Intl

Sun 9/15

2 stops22h 20m

$819

San AntonioReykjavik Keflavik Intl

SAT - KEF

SATKEF

San Antonio

Tue 7/23

1 stop16h 22m

Reykjavik Keflavik Intl

Tue 7/30

1 stop13h 06m

$852

San AntonioReykjavik Keflavik Intl

SAT - KEF

SATKEF

San Antonio

Tue 7/23

1 stop16h 22m

Reykjavik Keflavik Intl

Tue 7/30

2 stops15h 00m

$856

San AntonioReykjavik Keflavik Intl

SAT - KEF

SATKEF

San Antonio

Mon 9/23

3 stops21h 46m

Reykjavik Keflavik Intl

Mon 9/30

3 stops29h 07m

$1,031

Flights are sorted by cheapest first

Deals found on 5/2

When is the cheapest time to fly from San Antonio to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from San Antonio to Keflavik Intl. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Antonio to Reykjavik Keflavik Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday 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 San Antonio to Keflavik Intl by taking into account the cheapest months to travel. The average price of a one-way flight from San Antonio to Keflavik Intl is currently $397 while a round-trip flight costs $759. Price data was last updated on April 28, 2024.

Currently, January is the cheapest month in which you can book a flight from San Antonio to Reykjavik Keflavik Intl Airport (average of $339). Flying from San Antonio to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $742). 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

$393

March

$460

April

$519

May

$534

June

$687

July

$742

August

$670

September

$697

October

$498

November

$368

December

$406

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 3, 2024.
Get a feel of what it's like to fly with United Airlines, Air Canada and Delta from San Antonio to Reykjavik by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,848 reviews
Check prices

Food

7.4

Crew

8.6

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

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
10,848 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Food

7.4

Crew

8.6

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

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
1,604 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Food

7.4

Crew

8.6

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

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
7.6
Good
1,790 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Food

7.4

Crew

8.6

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

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
11,134 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Food

7.4

Crew

8.6

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

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.

American Airlines
7.3
Good
14,755 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Food

7.4

Crew

8.6

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

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 San Antonio 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 San Antonio to Reykjavik Keflavik Intl?

    Most people fly from San Antonio (SAT) if they book a flight from San Antonio to Reykjavik Keflavik Intl. On average, San Antonio has 0 outbound flights to Reykjavik Keflavik Intl per day from 2 airlines. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.

  • Can I find flights from San Antonio to Reykjavik Keflavik Intl Airport for under $600 on Cheapflights?

    Yes, there are multiple flights from San Antonio to Reykjavik Keflavik Intl Airport for under $600. The cheapest flight booked recently is on United Airlines for just $595, but on average you can expect to pay $708.

  • What are the cheapest airlines flying from San Antonio to Reykjavik Keflavik Intl Airport round-trip?

    Cheapflights users have booked flights from San Antonio to Reykjavik Keflavik Intl Airport round-trip from $595. Other airlines that can offer you cheap pricing are Air Canada, from $656, and Delta, from $690.

  • What does SAT to KEF mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a San Antonio Airport to Reykjavik Keflavik Intl Airport flight would often be abbreviated as a SAT to KEF flight.

  • Can I find deals for flights from San Antonio to Keflavik Intl that include extra baggage allowance?

    The amount of baggage you can bring on your San Antonio 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 San Antonio to Keflavik Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Antonio 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 San Antonio to Keflavik Intl that include hotel bookings?

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

  • How can I find direct flights from San Antonio to Keflavik Intl?

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

  • Can I find deals for business class flights from San Antonio to Keflavik Intl?

    Yes. Cheapflights offers flight deals from San Antonio 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 San Antonio to Keflavik Intl that allow pets onboard?

    Many airlines flying from San Antonio 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 San Antonio to Keflavik Intl?

    Yes, you can often find last-minute deals on San Antonio 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 San Antonio to Reykjavik Keflavik Intl Airport flight deals updated?

    The San Antonio to Reykjavik Keflavik Intl Airport flight deals you see on this page were last updated on 5/3.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Dallas/Fort Worth to Keflavik Intl flights
Hobby to Keflavik Intl flights
Austin to Keflavik Intl flights
George Bush Intcntl to Keflavik Intl flights
Love Field to Keflavik Intl flights
El Paso to Keflavik Intl flights
Lubbock to Keflavik Intl flights
Midland to Keflavik Intl flights
Corpus Christi to Keflavik Intl flights
Killeen to Keflavik Intl flights

Top 2 airlines flying from San Antonio to Keflavik Intl

Discover the top 2 airlines that operate flights from San Antonio 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 2,899,487 searches. Data last updated May 3, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$621Average$860FlexibilityNo cancel feeOn-time70%
Search British Airways flights
DeltaCheapest$656Average$1,069FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
San Francisco to New York flights
Chicago to New Orleans flights
Dallas to London flights
Los Angeles to Houston flights
San Francisco to Austin flights
Miami to Houston flights
Charlotte to Denver flights
Long Beach to Las Vegas flights
Philadelphia to Phoenix flights
Los Angeles to Washington, D.C. flights
San Antonio to Kyrgyzstan flights

Search flights from San Antonio to Keflavik Intl by cabin class

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

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Saint Peter Jersey
Flights to Kirkwall Arpt
Flights to Skiathos
Flights to Naxos
Flights to Ningbo Lishe Intl
Flights to Edremit/Korfez
Flights to Bourgas
Flights to Bodø
Flights to Pellston Emmet County
Flights to Cornwall Newquay
Flights to Ordu/Giresun
Flights to Batumi
Flights to Mason City
Flights to Biarritz Parme
Flights to Zakynthos Dionsios Salomos
Flights to Cortez Montezuma County
Flights to Clermont-Ferrand Aulnat
Flights to Nevsehir
Flights to Hyannis Barnstable
Flights to Girona Costa Brava
Flights to Kagoshima
Flights to Perugia Sant Egidio
Flights to Oran Es Senia
Flights to Chios

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Antonio to Keflavik Intl?

Deals for San Antonio to Keflavik Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from San Antonio to Keflavik Intl?

Cheapflights simply makes it quick and affordable to book flights from San Antonio to Keflavik Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from San Antonio to Keflavik Intl with no change fees?

Need flexible booking options for your flight to Keflavik Intl from San Antonio? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from San Antonio to Keflavik Intl become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines