$796+ Cheap flights from Keflavik Intl (KEF) to Philadelphia (PHL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — PHL
Dec 12 — Dec 191
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Keflavik Intl to Philadelphia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Keflavik Intl to Philadelphia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Keflavik Intl to PhiladelphiaExplore the most affordable flight options available from Keflavik Intl to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 12, 2026.
Explore the most affordable flight options available from Keflavik Intl to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 12, 2026.
This oojo deal was found by Cheapflights users on 11/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:00 pm -
1 stop30h 43m
Mon 12/149:30 am -
1 stop15h 35m
Deal found 11/9![Icelandair logo]()
$796
This United Airlines deal was found by Cheapflights users on 11/8. 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.
Thu 12/2412:00 pm -
2 stops26h 56m
Thu 12/317:37 pm -
2 stops33h 23m
Deal found 11/8![United Airlines logo]()
$803
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Thu 12/312:00 pm -
1 stop10h 57m
Wed 12/96:00 am -
2 stops23h 00m
Deal found 11/11![United Airlines logo]()
$805
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Sat 12/512:00 pm -
1 stop10h 58m
Sat 12/126:00 am -
2 stops47h 00m
Deal found 11/7![United Airlines logo]()
$806
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/2312:00 pm -
1 stop10h 47m
Sun 11/296:00 am -
2 stops23h 00m
Deal found 11/9![United Airlines logo]()
$817
This American Airlines deal was found by Cheapflights users on 11/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2311:55 am -
1 stop30h 50m
Sun 11/297:40 pm -
1 stop34h 10m
Deal found 11/9![American Airlines logo]()
$820
This American Airlines deal was found by Cheapflights users on 11/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/244:45 pm -
1 stop28h 30m
Thu 12/317:35 pm -
1 stop16h 30m
Deal found 11/8![American Airlines logo]()
$822
This Expedia deal was found by Cheapflights users on 11/8. 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.
Mon 12/75:00 pm -
1 stop30h 43m
Mon 12/149:30 am -
1 stop15h 35m
Deal found 11/8![Multiple Airlines logo]()
$824
This British Airways deal was found by Cheapflights users on 11/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:40 am -
2 stops28h 50m
Wed 12/99:34 pm -
2 stops38h 31m
Deal found 11/11![British Airways logo]()
$880
This Finnair deal was found by Cheapflights users on 11/9. 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.
Mon 12/710:00 am -
2 stops32h 45m
Mon 12/149:15 pm -
2 stops31h 00m
Deal found 11/9![Finnair logo]()
$907
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/124:45 pm -
1 stop11h 41m
Wed 12/1611:28 am -
1 stop14h 12m
Deal found 11/11![Multiple Airlines logo]()
$982
Best flights from Keflavik Intl to PhiladelphiaDiscover carefully curated flight deals from Keflavik Intl to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 12, 2026.
Discover carefully curated flight deals from Keflavik Intl to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 12, 2026.
This United Airlines deal was found by Cheapflights users on 11/8. 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.
Thu 12/2412:00 pm -
1 stop27h 35m
Thu 12/317:37 pm -
2 stops33h 23m
Deal found 11/8![United Airlines logo]()
$803
This American Airlines deal was found by Cheapflights users on 11/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/54:05 pm -
1 stop26h 40m
Sat 12/127:35 pm -
1 stop16h 25m
Deal found 11/7![American Airlines logo]()
$820
This British Airways deal was found by Cheapflights users on 11/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:40 am -
2 stops28h 50m
Wed 12/99:34 pm -
2 stops38h 31m
Deal found 11/11![British Airways logo]()
$880
This Finnair deal was found by Cheapflights users on 11/9. 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.
Thu 4/155:15 pm -
2 stops26h 55m
Sun 4/187:20 pm -
2 stops32h 30m
Deal found 11/9![Finnair logo]()
$902
This oojo deal was found by Cheapflights users on 11/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/157:55 pm -
1 stop30h 36m
Sun 4/1812:15 pm -
1 stop15h 55m
Deal found 11/9![Icelandair logo]()
$961
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/124:45 pm -
1 stop11h 41m
Wed 12/1611:28 am -
1 stop14h 12m
Deal found 11/11![Multiple Airlines logo]()
$982
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Thu 12/312:00 pm -
1 stop10h 57m
Wed 12/91:20 pm -
1 stop15h 40m
Deal found 11/11![United Airlines logo]()
$805
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Sat 12/512:00 pm -
1 stop10h 58m
Sat 12/126:00 am -
2 stops47h 00m
Deal found 11/7![United Airlines logo]()
$806
This Finnair deal was found by Cheapflights users on 11/9. 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.
Mon 12/710:00 am -
2 stops32h 45m
Mon 12/149:15 pm -
2 stops31h 00m
Deal found 11/9![Finnair logo]()
$907
This Travelocity deal was found by Cheapflights users on 11/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/158:35 am -
2 stops17h 51m
Sun 4/185:35 pm -
1 stop25h 50m
Deal found 11/9![Multiple Airlines logo]()
$1,010
This FlightHub deal was found by Cheapflights users on 11/11. 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.
Sat 12/1211:55 am -
1 stop33h 20m
Wed 12/169:34 pm -
2 stops38h 31m
Deal found 11/11![British Airways logo]()
$1,024
Last-minute flights from Keflavik Intl to PhiladelphiaDiscover last-minute flight deals from Keflavik Intl to Philadelphia. Data last updated November 12, 2026 and is based on user searches.
Discover last-minute flight deals from Keflavik Intl to Philadelphia. Data last updated November 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/2312:00 pm -
1 stop10h 47m
Sun 11/296:00 am -
2 stops23h 00m
Deal found 11/9![United Airlines logo]()
$817
This American Airlines deal was found by Cheapflights users on 11/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2311:55 am -
1 stop30h 50m
Sun 11/297:40 pm -
1 stop34h 10m
Deal found 11/9![American Airlines logo]()
$820
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Thu 12/312:00 pm -
1 stop10h 57m
Wed 12/96:00 am -
2 stops23h 00m
Deal found 11/11![United Airlines logo]()
$805
This British Airways deal was found by Cheapflights users on 11/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:40 am -
2 stops28h 50m
Wed 12/99:34 pm -
2 stops38h 31m
Deal found 11/11![British Airways logo]()
$880
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Sat 12/512:00 pm -
2 stops31h 12m
Sat 12/126:00 am -
2 stops47h 00m
Deal found 11/7![United Airlines logo]()
$806
This oojo deal was found by Cheapflights users on 11/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:00 pm -
1 stop30h 43m
Mon 12/149:30 am -
1 stop15h 35m
Deal found 11/9![Icelandair logo]()
$796
This Expedia deal was found by Cheapflights users on 11/8. 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.
Mon 12/75:00 pm -
1 stop30h 43m
Mon 12/149:30 am -
1 stop15h 35m
Deal found 11/8![Multiple Airlines logo]()
$824
This Finnair deal was found by Cheapflights users on 11/9. 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.
Mon 12/710:00 am -
2 stops32h 45m
Mon 12/149:15 pm -
2 stops31h 00m
Deal found 11/9![Finnair logo]()
$907
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/124:45 pm -
1 stop11h 41m
Wed 12/1611:28 am -
1 stop14h 12m
Deal found 11/11![Multiple Airlines logo]()
$982
This United Airlines deal was found by Cheapflights users on 11/8. 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.
Thu 12/2412:00 pm -
2 stops26h 56m
Thu 12/317:37 pm -
2 stops33h 23m
Deal found 11/8![United Airlines logo]()
$803
This American Airlines deal was found by Cheapflights users on 11/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/244:45 pm -
1 stop28h 30m
Thu 12/317:35 pm -
1 stop16h 30m
Deal found 11/8![American Airlines logo]()
$822
One-way flights from Keflavik Intl to PhiladelphiaSearch for one-way flight options from Keflavik Intl to Philadelphia. Find affordable one-way fares based on user searches. Data last updated November 12, 2026.
Search for one-way flight options from Keflavik Intl to Philadelphia. Find affordable one-way fares based on user searches. Data last updated November 12, 2026.
This American Airlines deal was found by Cheapflights users on 11/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2911:50 am -
1 stop33h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![American Airlines logo]()
$880
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2911:35 am -
2 stops33h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Multiple Airlines logo]()
$883
This Mytrip deal was found by Cheapflights users on 11/7. 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.
Fri 1/14:45 pm -
1 stop11h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$978
Find flight deals from Keflavik Intl to Philadelphia
Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Philadelphia (PHL). 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 November 12, 2026.
Round-trip from | $796 (oojo) |
|---|---|
Good one-way deal | $633 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Keflavik Intl to Philadelphia 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 7,457,451 searches. Data last updated November 12, 2026.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Philadelphia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ReykjavikPhiladelphia
KEF Reykjavik Keflavik Intl - PHL Philadelphia
KEFPHL
Reykjavik Keflavik Intl
Thu 12/24
12:00 pm-10:35 am
1 stop27h 35m
Philadelphia
Thu 12/31
7:37 pm-10:00 am
2 stops33h 23m
$803
ReykjavikPhiladelphia
KEF Reykjavik Keflavik Intl - PHL Philadelphia
KEFPHL
Reykjavik Keflavik Intl
Thu 12/3
12:00 pm-5:57 pm
1 stop10h 57m
Philadelphia
Wed 12/9
1:20 pm-10:00 am
1 stop15h 40m
$805
ReykjavikPhiladelphia
KEF Reykjavik Keflavik Intl - PHL Philadelphia
KEFPHL
Reykjavik Keflavik Intl
Sat 12/5
12:00 pm-5:58 pm
1 stop10h 58m
Philadelphia
Sat 12/12
6:00 am-10:00 am
2 stops47h 00m
$806
ReykjavikPhiladelphia
KEF Reykjavik Keflavik Intl - PHL Philadelphia
KEFPHL
Reykjavik Keflavik Intl
Sat 12/5
4:05 pm-1:45 pm
1 stop26h 40m
Philadelphia
Sat 12/12
7:35 pm-5:00 pm
1 stop16h 25m
$820
ReykjavikPhiladelphia
KEF Reykjavik Keflavik Intl - PHL Philadelphia
KEFPHL
Reykjavik Keflavik Intl
Sun 11/29
11:50 am-4:15 pm
1 stop33h 25m
Philadelphia
Wed 12/31
12:00 am-5:00 am
Nonstop0h 00m
$880
ReykjavikPhiladelphia
KEF Reykjavik Keflavik Intl - PHL Philadelphia
KEFPHL
Reykjavik Keflavik Intl
Thu 12/3
11:40 am-11:30 am
2 stops28h 50m
Philadelphia
Wed 12/9
9:34 pm-5:05 pm
2 stops38h 31m
$880
ReykjavikPhiladelphia
KEF Reykjavik Keflavik Intl - PHL Philadelphia
KEFPHL
Reykjavik Keflavik Intl
Thu 4/15
5:15 pm-4:10 pm
2 stops26h 55m
Philadelphia
Sun 4/18
7:20 pm-7:50 am
2 stops32h 30m
$902
ReykjavikPhiladelphia
KEF Reykjavik Keflavik Intl - PHL Philadelphia
KEFPHL
Reykjavik Keflavik Intl
Mon 12/7
10:00 am-1:45 pm
2 stops32h 45m
Philadelphia
Mon 12/14
9:15 pm-9:15 am
2 stops31h 00m
$907
ReykjavikPhiladelphia
KEF Reykjavik Keflavik Intl - PHL Philadelphia
KEFPHL
Reykjavik Keflavik Intl
Thu 4/15
7:55 pm-10:31 pm
1 stop30h 36m
Philadelphia
Sun 4/18
12:15 pm-8:10 am
1 stop15h 55m
$961
ReykjavikPhiladelphia
KEF Reykjavik Keflavik Intl - PHL Philadelphia
KEFPHL
Reykjavik Keflavik Intl
Sun 11/29
8:15 pm-12:41 am
3 stops57h 26m
Philadelphia
Wed 12/31
12:00 am-5:00 am
Nonstop0h 00m
$965
Showing 1-10 of 14 resultsSorted by cheapest first
Best time to book a flight from Keflavik Intl to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Keflavik Intl with our price prediction graph.
KEF-PHL
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.
Related info for your journey
Find useful and relevant information for your journey from Keflavik Intl to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Philadelphia?
Book flights to Philadelphia if you plan to visit one of these locationsWildwood
King of Prussia
Reading
Camden
Dover
Ocean City
Wildwood Crest
Cherry Hill
Lewes
Plymouth Meeting
Wyomissing
Pottstown
Milford
Ephrata
Elkton
Essington
New Castle
Willow Grove
Glen Mills
Vineland
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
Complete your trip
Flights by cabin class
Other flight options
Philadelphia flight routes
Popular flights