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$430+ Cheap flights from Philadelphia (PHL) to Riga (RIX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — RIX
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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Cheap flight deals from Philadelphia to Riga

Cheapest flights from Philadelphia to Riga
Explore the most affordable flight options available from Philadelphia to Riga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.

This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:40 pm
PHL
-
RIX
1 stop13h 15m
United Airlines
Tue 11/36:05 am
RIX
-
PHL
1 stop17h 00m
United Airlines
Deal found 7/26$767
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:25 pm
PHL
-
RIX
2 stops39h 05m
Multiple Airlines
Tue 11/33:35 pm
RIX
-
PHL
1 stop33h 05m
Multiple Airlines
Deal found 7/26$768
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:15 am
PHL
-
RIX
2 stops25h 40m
United Airlines
Tue 11/36:05 am
RIX
-
PHL
1 stop17h 00m
United Airlines
Deal found 7/26$772
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:25 pm
PHL
-
RIX
2 stops39h 05m
Multiple Airlines
Sun 11/111:05 pm
RIX
-
PHL
1 stop25h 35m
Multiple Airlines
Deal found 7/26$775
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:15 am
PHL
-
RIX
2 stops31h 10m
Multiple Airlines
Tue 11/33:35 pm
RIX
-
PHL
1 stop33h 05m
Multiple Airlines
Deal found 7/26$779
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:15 am
PHL
-
RIX
2 stops31h 10m
Multiple Airlines
Sun 11/111:05 pm
RIX
-
PHL
1 stop25h 35m
Multiple Airlines
Deal found 7/26$785
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:08 pm
PHL
-
RIX
2 stops38h 47m
United Airlines
Tue 11/36:05 am
RIX
-
PHL
2 stops24h 04m
United Airlines
Deal found 7/26$787
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:15 am
PHL
-
RIX
2 stops31h 10m
Multiple Airlines
Sat 10/319:05 pm
RIX
-
PHL
1 stop27h 35m
Multiple Airlines
Deal found 7/26$788
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:15 am
PHL
-
RIX
2 stops25h 40m
United Airlines
Mon 11/22:35 pm
RIX
-
PHL
1 stop32h 30m
United Airlines
Deal found 7/26$792
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:20 pm
PHL
-
RIX
2 stops18h 35m
United Airlines
Mon 11/22:35 pm
RIX
-
PHL
2 stops34h 07m
United Airlines
Deal found 7/26$802
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:30 pm
PHL
-
RIX
2 stops36h 25m
United Airlines
Mon 11/22:35 pm
RIX
-
PHL
1 stop32h 30m
United Airlines
Deal found 7/26$803

Find flight deals from Philadelphia to Riga

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Riga (RIX). 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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$767
(United Airlines)

One-way from

$430
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$1,268
Provider with most accurate pricing for Philadelphia-Riga Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Riga Intl flights.
Search Deals
From Philadelphia to Riga Intl
Search Deals
One-way flight from Philadelphia to Riga Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($184 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Riga 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 July 28, 2026.
Use the filters below to find and compare flights from Philadelphia to Riga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Thu 10/22

10:40 am-1:20 pm

2 stops19h 40m

Riga Intl

Tue 11/3

6:05 am-4:21 pm

2 stops17h 16m

$830
Quickest round-trip

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Thu 8/27

5:40 pm-1:20 pm

1 stop12h 40m

Riga Intl

Thu 9/3

7:00 am-4:05 pm

1 stop16h 05m

$840

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Thu 9/10

5:40 pm-1:20 pm

1 stop12h 40m

Riga Intl

Thu 9/17

7:00 am-9:32 pm

2 stops21h 32m

$852

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Fri 10/23

5:40 pm-1:40 pm

1 stop13h 00m

Riga Intl

Wed 10/28

2:35 pm-9:49 am

2 stops25h 14m

$858

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Mon 8/24

6:00 pm-5:15 pm

2 stops16h 15m

Riga Intl

Mon 8/31

9:40 pm-5:55 pm

2 stops27h 15m

$862

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Thu 8/27

10:30 am-1:20 pm

2 stops19h 50m

Riga Intl

Thu 9/3

7:00 am-12:59 am

3 stops48h 59m

$874

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Tue 11/3

11:00 am-10:50 am

2 stops16h 50m

Riga Intl

Fri 11/6

11:25 am-12:55 am

2 stops20h 30m

$924

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Mon 8/24

3:25 pm-5:35 pm

3 stops19h 10m

Riga Intl

Mon 8/31

4:30 pm-4:05 pm

3 stops30h 35m

$925

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Tue 11/3

5:40 pm-1:55 pm

1 stop13h 15m

Riga Intl

Fri 11/6

2:35 pm-4:21 pm

2 stops32h 46m

$934
Cheapest one-way

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Mon 8/31

6:00 am-10:55 pm

3 stops33h 55m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Philadelphia to Riga

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 Riga in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 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-Riga flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Riga flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Riga flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Riga 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 Philadelphia-Riga 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 Riga

Have a flexible travel schedule? Discover the best time to fly to Riga 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.

Reviews of airlines servicing Riga

Get insights into the airlines that provide service to Riga. 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 Riga. Reviews last updated July 28, 2026.
See what other customers who have flown with KLM and Lufthansa from Philadelphia to Riga have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,550 reviews

Crew

8.4

Entertainment

7.2

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,550 reviews
KLM
7.8
Good
1,550 reviews

Crew

8.4

Entertainment

7.2

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
8,164 reviews
KLM
7.8
Good
1,550 reviews

Crew

8.4

Entertainment

7.2

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

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

  • How long is the flight from Philadelphia to Riga?

    There are many flights that can get you from Philadelphia to Riga in 12h 40m. Fly via United Airlines, Lufthansa, or Finnair to get the fastest option. The distance between Philadelphia and Riga is about 4277 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $508, KLM will fly you from Philadelphia to Riga and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Lufthansa for as low as $547. These flights start at 43% lower than the current average price 3 months from now.

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

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

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

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

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

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

See more FAQs

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Alternative routes for Philadelphia to Riga

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Riga flights
Newark to Riga flights
Dulles Intl to Riga flights

Top 2 airlines flying from Philadelphia to Riga

Discover the top 2 airlines that operate flights from Philadelphia to Riga. 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 July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$508Average$509FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$547Average$596FlexibilityNo cancel feeOn-time76%

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