$624+ Cheap flights from Bellingham to Philadelphia (BLI - 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — PHL
Oct 14 — Oct 211
Round-trip
1 adult, Economy
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Find cheap flights from Bellingham 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 Bellingham to Philadelphia
Cheapest
Best
Last-minute
Cheapest flights from Bellingham to PhiladelphiaExplore the most affordable flight options available from Bellingham to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
Explore the most affordable flight options available from Bellingham to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:26 pm -
1 stop7h 14m
Tue 9/294:48 pm -
1 stop8h 43m
Deal found 9/10![Alaska Airlines logo]()
$624
This Priceline deal was found by Cheapflights users on 9/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:26 pm -
1 stop7h 14m
Thu 10/16:59 pm -
1 stop7h 45m
Deal found 9/12![Alaska Airlines logo]()
$757
Best flights from Bellingham to PhiladelphiaDiscover carefully curated flight deals from Bellingham to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
Discover carefully curated flight deals from Bellingham to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:26 pm -
1 stop7h 14m
Tue 9/294:48 pm -
1 stop8h 43m
Deal found 9/10![Alaska Airlines logo]()
$624
This Priceline deal was found by Cheapflights users on 9/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:26 pm -
1 stop7h 14m
Thu 10/16:59 pm -
1 stop7h 45m
Deal found 9/12![Alaska Airlines logo]()
$757
Last-minute flights from Bellingham to PhiladelphiaDiscover last-minute flight deals from Bellingham to Philadelphia. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from Bellingham to Philadelphia. Data last updated September 14, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:26 pm -
1 stop7h 14m
Tue 9/294:48 pm -
1 stop8h 43m
Deal found 9/10![Alaska Airlines logo]()
$624
This Priceline deal was found by Cheapflights users on 9/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:26 pm -
1 stop7h 14m
Thu 10/16:59 pm -
1 stop7h 45m
Deal found 9/12![Alaska Airlines logo]()
$757
Find flight deals from Bellingham to Philadelphia
Discover tips and strategies to find the most affordable flight options for your journey from Bellingham (BLI) 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 September 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $624 (Booking.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Bellingham 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 September 14, 2026.
Use the filters below to find and compare flights from Bellingham to Philadelphia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BellinghamPhiladelphia
BLI Bellingham - PHL Philadelphia
BLIPHL
Bellingham
Fri 9/25
7:26 pm-5:40 am
1 stop7h 14m
Philadelphia
Tue 9/29
4:48 pm-10:31 pm
1 stop8h 43m
$624
Quickest round-trip
BellinghamPhiladelphia
BLI Bellingham - PHL Philadelphia
BLIPHL
Bellingham
Sun 9/27
7:26 pm-5:40 am
1 stop7h 14m
Philadelphia
Thu 10/1
6:59 pm-11:44 pm
1 stop7h 45m
$757
Sorted by cheapest first
Compare providers for flights from Bellingham to Philadelphia
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bellingham to Philadelphia in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Bellingham-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bellingham-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bellingham-Philadelphia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Bellingham-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bellingham-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Bellingham to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Bellingham with our price prediction graph.
BLI-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 Bellingham 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
Reading
King of Prussia
Camden
Wildwood Crest
Cherry Hill
Ocean City
Lewes
Plymouth Meeting
Wyomissing
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Vineland
Millville
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