$338+ Cheap flights from Monroe to Philadelphia (MLU - 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
MLU — PHL
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from Monroe 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 Monroe to Philadelphia
Cheapest
Best
Last-minute
Cheapest flights from Monroe to PhiladelphiaExplore the most affordable flight options available from Monroe to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Monroe to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:19 am -
1 stop7h 32m
Mon 11/211:36 am -
1 stop6h 38m
Deal found 9/10![Delta logo]()
$338
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 am -
1 stop6h 00m
Wed 9/304:32 pm -
1 stop7h 05m
Deal found 9/10![American Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:42 pm -
1 stop5h 58m
Sat 10/33:54 pm -
1 stop7h 23m
Deal found 9/14![Delta logo]()
$408
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:18 am -
1 stop7h 26m
Mon 9/283:54 pm -
1 stop7h 23m
Deal found 9/14![Delta logo]()
$463
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 9/296:00 am -
1 stop7h 03m
Sat 10/310:36 am -
2 stops8h 38m
Deal found 9/14![American Airlines logo]()
$477
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:00 am -
1 stop7h 50m
Mon 11/21:53 pm -
2 stops9h 43m
Deal found 9/10![American Airlines logo]()
$487
This American Airlines deal was found by Cheapflights users on 9/14. 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 9/206:00 am -
1 stop6h 00m
Mon 9/285:00 am -
1 stop5h 44m
Deal found 9/14![American Airlines logo]()
$502
Best flights from Monroe to PhiladelphiaDiscover carefully curated flight deals from Monroe to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Monroe to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:19 am -
1 stop7h 32m
Mon 11/211:36 am -
1 stop6h 38m
Deal found 9/10![Delta logo]()
$338
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 10/296:00 am -
1 stop7h 50m
Mon 11/25:30 pm -
1 stop6h 06m
Deal found 9/11![American Airlines logo]()
$338
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:55 pm -
1 stop6h 01m
Sat 10/177:13 am -
1 stop6h 07m
Deal found 9/10![Delta logo]()
$358
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 am -
1 stop6h 00m
Wed 9/304:32 pm -
1 stop7h 05m
Deal found 9/10![American Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:42 pm -
1 stop5h 58m
Sat 10/33:54 pm -
1 stop7h 23m
Deal found 9/14![Delta logo]()
$408
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 9/296:00 am -
1 stop7h 03m
Sat 10/310:36 am -
2 stops8h 38m
Deal found 9/14![American Airlines logo]()
$477
Last-minute flights from Monroe to PhiladelphiaDiscover last-minute flight deals from Monroe to Philadelphia. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Monroe to Philadelphia. Data last updated September 15, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:18 am -
1 stop7h 26m
Mon 9/283:54 pm -
1 stop7h 23m
Deal found 9/14![Delta logo]()
$463
This American Airlines deal was found by Cheapflights users on 9/14. 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 9/206:00 am -
1 stop6h 00m
Mon 9/285:00 am -
1 stop5h 44m
Deal found 9/14![American Airlines logo]()
$502
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 am -
1 stop6h 00m
Wed 9/304:32 pm -
1 stop7h 05m
Deal found 9/10![American Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:42 pm -
1 stop5h 58m
Sat 10/33:54 pm -
1 stop7h 23m
Deal found 9/14![Delta logo]()
$408
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 9/296:00 am -
1 stop7h 03m
Sat 10/310:36 am -
2 stops8h 38m
Deal found 9/14![American Airlines logo]()
$477
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:19 am -
1 stop7h 32m
Mon 11/211:36 am -
1 stop6h 38m
Deal found 9/10![Delta logo]()
$338
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:00 am -
1 stop7h 50m
Mon 11/21:53 pm -
2 stops9h 43m
Deal found 9/10![American Airlines logo]()
$487
Find flight deals from Monroe to Philadelphia
Discover tips and strategies to find the most affordable flight options for your journey from Monroe (MLU) 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 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $338 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Monroe 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 15, 2026.
Use the filters below to find and compare flights from Monroe to Philadelphia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MonroePhiladelphia
MLU Monroe Huenefeld - PHL Philadelphia
MLUPHL
Monroe Huenefeld
Thu 10/29
6:19 am-2:51 pm
1 stop7h 32m
Philadelphia
Mon 11/2
11:36 am-5:14 pm
1 stop6h 38m
$338
MonroePhiladelphia
MLU Monroe Huenefeld - PHL Philadelphia
MLUPHL
Monroe Huenefeld
Thu 10/29
6:00 am-2:50 pm
1 stop7h 50m
Philadelphia
Mon 11/2
5:30 pm-10:36 pm
1 stop6h 06m
$338
Quickest round-trip
MonroePhiladelphia
MLU Monroe Huenefeld - PHL Philadelphia
MLUPHL
Monroe Huenefeld
Sat 10/10
5:55 pm-12:56 am
1 stop6h 01m
Philadelphia
Sat 10/17
7:13 am-12:20 pm
1 stop6h 07m
$358
MonroePhiladelphia
MLU Monroe Huenefeld - PHL Philadelphia
MLUPHL
Monroe Huenefeld
Sat 9/26
6:00 am-1:00 pm
1 stop6h 00m
Philadelphia
Wed 9/30
4:32 pm-10:37 pm
1 stop7h 05m
$388
MonroePhiladelphia
MLU Monroe Huenefeld - PHL Philadelphia
MLUPHL
Monroe Huenefeld
Tue 9/29
5:42 pm-12:40 am
1 stop5h 58m
Philadelphia
Sat 10/3
3:54 pm-10:17 pm
1 stop7h 23m
$408
MonroePhiladelphia
MLU Monroe Huenefeld - PHL Philadelphia
MLUPHL
Monroe Huenefeld
Tue 9/29
6:00 am-2:03 pm
1 stop7h 03m
Philadelphia
Sat 10/3
10:36 am-6:14 pm
2 stops8h 38m
$477
Sorted by cheapest first
Compare providers for flights from Monroe 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 Monroe 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 Monroe-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Monroe-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Monroe-Philadelphia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Monroe-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 Monroe-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 Monroe to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Monroe with our price prediction graph.
MLU-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 Monroe 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
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Wyomissing
Pottstown
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Milford
Dover
Elkton
Essington
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Vineland
Millville
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