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SAR 851 Cheap Flights from Washington (IAD) to Philadelphia (PHL)

Cheap Flights from Washington to Philadelphia (IAD-PHL)

Prices were available within the past 7 days and start at SAR 851 for one-way flights and SAR 613 for roundtrip, for the period specified. Prices and availability are subject to change.
Frontier Airlines
Tuesday, 3 November, 2026 - Saturday, 7 November, 2026
IAD
Washington
PHL
Philadelphia
SAR 613
Roundtrip
Found 1 day ago
Select Frontier Airlines flight, departing Tuesday, 3 November, 2026 from Washington to Philadelphia, returning Saturday, 7 November, 2026, priced at SAR 613 Found 1 day ago
Frontier Airlines
Tuesday, 3 November, 2026 - Friday, 6 November, 2026
IAD
Washington
PHL
Philadelphia
SAR 688
Roundtrip
Found 1 day ago
Select Frontier Airlines flight, departing Tuesday, 3 November, 2026 from Washington to Philadelphia, returning Friday, 6 November, 2026, priced at SAR 688 Found 1 day ago
Frontier Airlines
Tuesday, 3 November, 2026 - Monday, 9 November, 2026
IAD
Washington
PHL
Philadelphia
SAR 691
Roundtrip
Found 1 day ago
Select Frontier Airlines flight, departing Tuesday, 3 November, 2026 from Washington to Philadelphia, returning Monday, 9 November, 2026, priced at SAR 691 Found 1 day ago
Frontier Airlines
Wednesday, 28 October, 2026 - Saturday, 7 November, 2026
IAD
Washington
PHL
Philadelphia
SAR 767
Roundtrip
Found 1 day ago
Select Frontier Airlines flight, departing Wednesday, 28 October, 2026 from Washington to Philadelphia, returning Saturday, 7 November, 2026, priced at SAR 767 Found 1 day ago
Frontier Airlines
Wednesday, 28 October, 2026 - Friday, 6 November, 2026
IAD
Washington
PHL
Philadelphia
SAR 842
Roundtrip
Found 1 day ago
Select Frontier Airlines flight, departing Wednesday, 28 October, 2026 from Washington to Philadelphia, returning Friday, 6 November, 2026, priced at SAR 842 Found 1 day ago
Frontier Airlines
Wednesday, 28 October, 2026 - Monday, 9 November, 2026
IAD
Washington
PHL
Philadelphia
SAR 846
Roundtrip
Found 1 day ago
Select Frontier Airlines flight, departing Wednesday, 28 October, 2026 from Washington to Philadelphia, returning Monday, 9 November, 2026, priced at SAR 846 Found 1 day ago
Frontier Airlines
Sunday, 1 November, 2026 - Saturday, 7 November, 2026
IAD
Washington
PHL
Philadelphia
SAR 879
Roundtrip
Found 1 day ago
Select Frontier Airlines flight, departing Sunday, 1 November, 2026 from Washington to Philadelphia, returning Saturday, 7 November, 2026, priced at SAR 879 Found 1 day ago
United
Saturday, 31 October, 2026 - Sunday, 8 November, 2026
IAD
Washington
PHL
Philadelphia
SAR 1,425
Roundtrip
Found 1 day ago
Select United flight, departing Saturday, 31 October, 2026 from Washington to Philadelphia, returning Sunday, 8 November, 2026, priced at SAR 1,425 Found 1 day ago
American Airlines
Saturday, 31 October, 2026 - Sunday, 8 November, 2026
IAD
Washington
PHL
Philadelphia
SAR 1,499
Roundtrip
Found 1 day ago
Select American Airlines flight, departing Saturday, 31 October, 2026 from Washington to Philadelphia, returning Sunday, 8 November, 2026, priced at SAR 1,499 Found 1 day ago
Delta
Monday, 2 November, 2026 - Tuesday, 3 November, 2026
IAD
Washington
PHL
Philadelphia
SAR 2,234
Roundtrip
Found 4 days ago
Select Delta flight, departing Monday, 2 November, 2026 from Washington to Philadelphia, returning Tuesday, 3 November, 2026, priced at SAR 2,234 Found 4 days ago

Find the cheapest month to fly from Washington (IAD) to Philadelphia (PHL)

May is typically the cheapest month to fly

From SAR 671 - SAR 3,431 per traveler.

Travel information

Origin airport
Washington Dulles Intl. Airport
Destination airport
Philadelphia Intl. Airport
Distance
215 km away
Airlines serving
Frontier Airlines, American Airlines, United, Delta, Alaska Airlines
Popular airline
Frontier Airlines
Roundtrip price
SAR 613
Average flight time
1 hour 14 mins
*Available to One Key members.