$186 Cheap Flights from Redmond (RDM) to Philadelphia (PHL)

View $186 flight on Wed, Jul 8, 2026Opens in a new window

Popular airlines from Redmond Municipal Airport (RDM) to Philadelphia Intl. Airport (PHL)

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Cheap Flights from Redmond to Philadelphia (RDM-PHL)

Prices were available within the past 7 days and start at $186 for one-way flights and $352 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Feb 19 - Mon, Feb 23
RDM
Redmond
PHL
Philadelphia
$352 Roundtrip, found 5 days ago
$352
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Feb 19 from Redmond to Philadelphia, returning Mon, Feb 23, priced at $352 found 5 days ago
Alaska Airlines
Thu, Feb 19 - Mon, Feb 23
RDM
Redmond
PHL
Philadelphia
$362 Roundtrip, found 5 days ago
$362
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Feb 19 from Redmond to Philadelphia, returning Mon, Feb 23, priced at $362 found 5 days ago
Hawaiian Airlines
Tue, Dec 2 - Tue, Dec 9
RDM
Redmond
PHL
Philadelphia
$372 Roundtrip, found 19 hours ago
$372
Roundtrip
found 19 hours ago
Select Hawaiian Airlines flight, departing Tue, Dec 2 from Redmond to Philadelphia, returning Tue, Dec 9, priced at $372 found 19 hours ago
American Airlines
Sat, Dec 13 - Tue, Dec 16
RDM
Redmond
PHL
Philadelphia
$373 Roundtrip, found 1 day ago
$373
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Dec 13 from Redmond to Philadelphia, returning Tue, Dec 16, priced at $373 found 1 day ago
Delta
Thu, Nov 27 - Wed, Dec 17
RDM
Redmond
PHL
Philadelphia
$378 Roundtrip, found 16 hours ago
$378
Roundtrip
found 16 hours ago
Select Delta flight, departing Thu, Nov 27 from Redmond to Philadelphia, returning Wed, Dec 17, priced at $378 found 16 hours ago
United
Sat, Dec 13 - Tue, Dec 16
RDM
Redmond
PHL
Philadelphia
$378 Roundtrip, found 1 day ago
$378
Roundtrip
found 1 day ago
Select United flight, departing Sat, Dec 13 from Redmond to Philadelphia, returning Tue, Dec 16, priced at $378 found 1 day ago
Alaska Airlines
Wed, Dec 10 - Sat, Dec 13
RDM
Redmond
PHL
Philadelphia
$382 Roundtrip, found 4 days ago
$382
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Dec 10 from Redmond to Philadelphia, returning Sat, Dec 13, priced at $382 found 4 days ago
Hawaiian Airlines
Tue, Dec 2 - Thu, Dec 11
RDM
Redmond
PHL
Philadelphia
$382 Roundtrip, found 19 hours ago
$382
Roundtrip
found 19 hours ago
Select Hawaiian Airlines flight, departing Tue, Dec 2 from Redmond to Philadelphia, returning Thu, Dec 11, priced at $382 found 19 hours ago
Delta
Tue, Nov 18 - Sat, Nov 22
RDM
Redmond
PHL
Philadelphia
$386 Roundtrip, found 4 days ago
$386
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Nov 18 from Redmond to Philadelphia, returning Sat, Nov 22, priced at $386 found 4 days ago
Hawaiian Airlines
Thu, Dec 25 - Tue, Jan 13
RDM
Redmond
PHL
Philadelphia
$387 Roundtrip, found 4 days ago
$387
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Thu, Dec 25 from Redmond to Philadelphia, returning Tue, Jan 13, priced at $387 found 4 days ago

Find the cheapest month to fly from Redmond (RDM) to Philadelphia (PHL)

October is typically the cheapest month to fly

From $339 - $907 per traveler.

Alternative airports near Philadelphia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Philadelphia Intl. PHL. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $479
PHL
Philadelphia Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $479

Frequently asked questions

How much does a flight from Robert's Field Airport (RDM) to Philadelphia Intl. Airport (PHL) cost?
Grab a cheap one-way flight from $186 or cheap return flight from $352 from Robert's Field Airport (RDM) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Robert's Field Airport (RDM) to Philadelphia Intl. Airport (PHL)?
February is the most affordable month to fly from RDM to PHL. Traveling during quieter months is often the key to finding better fares.
What is the cheapest airline that flies from Robert's Field Airport (RDM) to Philadelphia Intl. Airport (PHL)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from RDM to PHL. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Robert's Field Airport (RDM) to Philadelphia Intl. Airport (PHL)?
You'll need to book a flight with a layover if you're traveling from Robert's Field Airport (RDM) to Philadelphia Intl. Airport (PHL). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from RDM to PHL?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on various factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Robert's Field Airport (RDM) to Philadelphia Intl. Airport (PHL)?
Choose a flight from Robert's Field Airport (RDM) to Philadelphia Intl. Airport (PHL) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Robert's Field Airport (RDM) to Philadelphia Intl. Airport (PHL) last-minute?
Holding off until just before your trip to book your flight from RDM to PHL generally means paying more. While you might find some last-minute offers, they aren't always guaranteed. Be flexible with your itinerary for the best chance of getting a bargain.
Is it cheaper to book a RDM to PHL flight and hotel package?
Booking a RDM to PHL flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our wide range of accommodations and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Robert's Field Airport (RDM) to Philadelphia Intl. Airport (PHL)?
In most instances, you can cancel or modify your RDM to PHL flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want further details, head to our Customer Service portal.

Travel information

Origin airport
Robert's Field
Destination airport
Philadelphia Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$352
Distance
2343 mi

Book with confidence

Redmond to Philadelphia Flights

The cheapest times to fly from Redmond to Philadelphia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Redmond to Philadelphia are during the month of February. You can find some of the cheapest flights from Redmond to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Redmond to Philadelphia

Sunday is one of the best days to book for cheap flights from Redmond to Philadelphia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Redmond to Philadelphia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Redmond to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $186 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Redmond to Philadelphia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Redmond to Philadelphia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Redmond to Philadelphia Flights

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*Available to One Key members.