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$578+ Cheap flights from Philadelphia to Bellingham (PHL - BLI)

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BLI
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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Cheap flight deals from Philadelphia to Bellingham

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Bellingham (BLI). 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 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$578
(American Airlines)
Provider with most accurate pricing for Philadelphia-Bellingham flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Bellingham flights.
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From Philadelphia to Bellingham
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Find flight deals from Philadelphia to Bellingham

Cheapest flights from Philadelphia to Bellingham
Explore the most affordable flight options available from Philadelphia to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2025.

This American Airlines deal was found by Cheapflights users on 5/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/104:34 pmPHL - BLI
1 stop10h 25mAmerican Airlines
Thu 8/148:05 amBLI - PHL
1 stop9h 20mAmerican Airlines
Deal found 5/11$578
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/266:00 amPHL - BLI
2 stops12h 25mAlaska Airlines
Fri 5/306:00 amBLI - PHL
2 stops14h 58mAlaska Airlines
Deal found 5/11$681
This Hawaiian Airlines deal was found by Cheapflights users on 5/11. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/267:00 amPHL - BLI
1 stop8h 19mHawaiian Airlines
Fri 5/308:00 amBLI - PHL
1 stop6h 54mHawaiian Airlines
Deal found 5/11$805

Cheapflights Fare Finder

Customize your flight search to find flights from Philadelphia to Bellingham 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 2,558,603 searches. Data last updated May 12, 2025.
Use the filters below to find and compare flights from Philadelphia to Bellingham that are best for you.

Fly from

Philadelphia

Fly to

Bellingham

Route

Depart

Return

Price

PhiladelphiaBellingham

PHL - BLI

PHLBLI

Philadelphia

Sun 8/10

4:34 pm-11:59 pm

1 stop10h 25m

Bellingham

Thu 8/14

8:05 am-8:25 pm

1 stop9h 20m

$578

PhiladelphiaBellingham

PHL - BLI

PHLBLI

Philadelphia

Mon 5/26

6:00 am-3:25 pm

2 stops12h 25m

Bellingham

Fri 5/30

6:00 am-11:58 pm

2 stops14h 58m

$681

PhiladelphiaBellingham

PHL - BLI

PHLBLI

Philadelphia

Mon 5/26

7:00 am-12:19 pm

1 stop8h 19m

Bellingham

Fri 5/30

8:00 am-5:54 pm

1 stop6h 54m

$805

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Compare providers for flights from Philadelphia to Bellingham

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 Philadelphia to Bellingham in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Bellingham flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Bellingham flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Bellingham flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Bellingham flights, Cheapflights users trust Expedia the most. Expedia 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 Philadelphia-Bellingham 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 Philadelphia to Bellingham

Have a flexible travel schedule? Discover the best time to fly to Bellingham from Philadelphia with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Bellingham

Rainfall in Bellingham by month

Plan your trip to Bellingham by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bellingham ranges from 1.1 - 5.8 inches per month. November is typically the wettest month, when rainfall can reach 5.8 in. July is typically the driest time to visit Bellingham when rainfall is around 1.1 in.

Temperature in Bellingham by month

Plan your trip to Bellingham by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bellingham, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Bellingham

Get insights into the airlines that provide service to Bellingham. 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 Bellingham. Reviews last updated May 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,432 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Bellingham. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Philadelphia to Bellingham round-trip?

    Our cheapest airline available from Philadelphia to Bellingham is American Airlines. Our recent data shows that you can find tickets from as low as $578 on this airline. Additional options worth looking into are Alaska Airlines and Hawaiian Airlines, starting at $681 and $805 round-trip.

  • Can I find deals for flights from Philadelphia to Bellingham that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Bellingham flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Bellingham?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Bellingham.

  • Can I find deals for business class flights from Philadelphia to Bellingham?

    Yes. Cheapflights offers flight deals from Philadelphia to Bellingham by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Bellingham?

    Currently, February is the cheapest month in which you can book a flight from Philadelphia to Bellingham (average of $317). Flying from Philadelphia to Bellingham in November is currently the most expensive (average of $469). 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.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Mount Vernon
Burlington
Ferndale
Blaine

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Top airline flying from Philadelphia to Bellingham

Discover the top airline that operate flights from Philadelphia to Bellingham. 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 2,558,603 searches. Data last updated May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$384Average$573FlexibilityNo cancel feeOn-time75%

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