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Cheap flights from Philadelphia to Riga from $531

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Riga departing on 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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American Airlines Logo
8:45 pm - 5:40 pmPHL-RIX
14h 55m2 stops
American Airlines Logo
4:25 pm - 2:10 pmRIX-PHL
27h 45m1 stop
$531American Airlines
Find Deal
Wed, Mar 11 - Sun, Mar 15
Finnair Logo
8:45 pm - 5:40 pmPHL-RIX
14h 55m2 stops
Finnair Logo
10:05 pm - 2:55 pmRIX-PHL
22h 50m2 stops
$537Finnair
Find Deal
Wed, Mar 11 - Sun, Mar 15
Air Canada Logo
7:50 am - 2:10 pmPHL-RIX
23h 20m2 stops
Air Canada Logo
7:35 am - 10:46 pmRIX-PHL
22h 11m2 stops
$609Air Canada
Find Deal
Wed, Jan 28 - Sun, Feb 1
Lufthansa Logo
5:35 pm - 1:25 pmPHL-RIX
12h 50m1 stop
Lufthansa Logo
7:00 am - 4:00 pmRIX-PHL
16h 00m1 stop
$610Lufthansa
Find Deal
Thu, May 7 - Thu, May 14
Multiple Airlines Logo
9:15 am - 5:15 pmPHL-RIX
25h 00m2 stops
Multiple Airlines Logo
7:00 am - 4:00 pmRIX-PHL
16h 00m1 stop
$611Multiple Airlines
Find Deal
Thu, May 7 - Thu, May 14
American Airlines Logo
6:35 pm - 2:50 pmPHL-RIX
37h 15m2 stops
American Airlines Logo
4:25 pm - 1:30 pmRIX-PHL
28h 05m1 stop
$727American Airlines
Find Deal
Wed, Jan 28 - Sun, Feb 1
Air Canada Logo
3:30 pm - 1:10 pmPHL-RIX
15h 40m2 stops
Air Canada Logo
7:00 am - 10:53 pmRIX-PHL
22h 53m2 stops
$744Air Canada
Find Deal
Fri, Mar 27 - Tue, Mar 31
Multiple Airlines Logo
7:35 pm - 10:15 pmPHL-RIX
20h 40m1 stop
Multiple Airlines Logo
4:25 pm - 2:10 pmRIX-PHL
27h 45m1 stop
$745Multiple Airlines
Find Deal
Wed, Mar 11 - Sun, Mar 15
United Airlines Logo
8:00 am - 1:55 pmPHL-RIX
23h 55m2 stops
United Airlines Logo
7:00 am - 4:00 pmRIX-PHL
16h 00m1 stop
$783United Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
United Airlines Logo
8:00 am - 1:55 pmPHL-RIX
23h 55m2 stops
United Airlines Logo
7:00 am - 4:00 pmRIX-PHL
16h 00m1 stop
$848United Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31

United Airlines flights from Philadelphia to Riga

Our best United Airlines deals on Philadelphia to Riga flight tickets
United Airlines
Mar 27
PHL8:00 amPhiladelphia
23h 55m
2 stops
RIX1:55 pmRiga Intl
Mar 31
RIX7:00 amRiga Intl
16h 00m
1 stop
PHL4:00 pmPhiladelphia
$783
Find similar
United Airlines
Mar 27
PHL8:00 amPhiladelphia
23h 55m
2 stops
RIX1:55 pmRiga Intl
Mar 31
RIX7:00 amRiga Intl
16h 00m
1 stop
PHL4:00 pmPhiladelphia
$848
Find similar
United Airlines
Nov 22
PHL8:00 pmPhiladelphia
34h 55m
2 stops
RIX1:55 pmRiga Intl
Nov 30
RIX2:35 pmRiga Intl
54h 33m
2 stops
PHL2:08 pmPhiladelphia
$1,116
Find similar

Air Canada flights from Philadelphia to Riga

Our best Air Canada deals on Philadelphia to Riga flight tickets
Air Canada
Jan 28
PHL7:50 amPhiladelphia
23h 20m
2 stops
RIX2:10 pmRiga Intl
Feb 1
RIX7:35 amRiga Intl
22h 11m
2 stops
PHL10:46 pmPhiladelphia
$609
Find similar
Air Canada
Mar 27
PHL3:30 pmPhiladelphia
15h 40m
2 stops
RIX1:10 pmRiga Intl
Mar 31
RIX7:00 amRiga Intl
22h 53m
2 stops
PHL10:53 pmPhiladelphia
$744
Find similar
Air Canada
Nov 22
PHL4:35 pmPhiladelphia
38h 20m
2 stops
RIX1:55 pmRiga Intl
Nov 26
RIX7:20 amRiga Intl
14h 27m
2 stops
PHL2:47 pmPhiladelphia
$2,662
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 18, 2025.
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

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Wed 3/11

8:45 pm-5:40 pm

2 stops14h 55m

Riga Intl

Sun 3/15

4:25 pm-2:10 pm

1 stop27h 45m

$531

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Wed 3/11

8:45 pm-5:40 pm

2 stops14h 55m

Riga Intl

Sun 3/15

10:05 pm-2:55 pm

2 stops22h 50m

$537

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Wed 1/28

7:50 am-2:10 pm

2 stops23h 20m

Riga Intl

Sun 2/1

7:35 am-10:46 pm

2 stops22h 11m

$609

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Thu 5/7

5:35 pm-1:25 pm

1 stop12h 50m

Riga Intl

Thu 5/14

7:00 am-4:00 pm

1 stop16h 00m

$610

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Thu 5/7

9:15 am-5:15 pm

2 stops25h 00m

Riga Intl

Thu 5/14

7:00 am-4:00 pm

1 stop16h 00m

$611

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Wed 1/28

6:35 pm-2:50 pm

2 stops37h 15m

Riga Intl

Sun 2/1

4:25 pm-1:30 pm

1 stop28h 05m

$727

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Fri 3/27

3:30 pm-1:10 pm

2 stops15h 40m

Riga Intl

Tue 3/31

7:00 am-10:53 pm

2 stops22h 53m

$744

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Wed 3/11

7:35 pm-10:15 pm

1 stop20h 40m

Riga Intl

Sun 3/15

4:25 pm-2:10 pm

1 stop27h 45m

$745

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Fri 3/27

8:00 am-1:55 pm

2 stops23h 55m

Riga Intl

Tue 3/31

7:00 am-4:00 pm

1 stop16h 00m

$783

PhiladelphiaRiga

PHL - RIX

PHLRIX

Philadelphia

Fri 3/27

8:00 am-1:55 pm

2 stops23h 55m

Riga Intl

Tue 3/31

7:00 am-4:00 pm

1 stop16h 00m

$848

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Riga from

How to get the cheapest flight ticket from Philadelphia to Riga

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Riga?

The cheapest day to depart from Philadelphia to Riga is on a Friday when prices can be found for as low as $849. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,006. These prices are subject to change though, so be sure to set up a Price Alert for flights to Riga.

What is the cheapest time of day to depart on your flight to Riga?

Flying to Riga from Philadelphia in the evening is the least expensive time of day to depart. momondo users have found prices as low as $836 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Riga is in the afternoon when prices are around $959.

When to book flights from Philadelphia to Riga

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Riga according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Riga (PHL to RIX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Riga

Direct flights

None
There are no direct flights from Philadelphia to Riga. There are no popular flight routes from Philadelphia to Riga.
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  • How far is Philadelphia to Riga Intl by plane?

    The straight-line distance from Philadelphia to Riga Intl is 4274.0 mi. By plane, this route typically takes 12h 50m.

  • When did momondo last update prices for flights from Philadelphia Airport to Riga Intl Airport?

    Prices for flights from Philadelphia Airport to Riga Intl Airport refresh daily.

  • How many operators does momondo search for flights from Philadelphia Airport to Riga Intl Airport?

  • How old do you have to be to fly from Philadelphia Airport to Riga Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Riga Intl Airport.

  • What documentation or ID do you need to fly to Riga Intl Airport?

    The required travel and health documents for your Riga Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Riga Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Philadelphia to Riga?

Best airlines flying from Philadelphia to Riga

Compare and see reviews for airlines that fly from Philadelphia to Riga with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $508Free CancellationRating
7.7
1,411 reviews
Search KLM flights
LufthansaPriceFrom $547Free CancellationRating
6.8
7,576 reviews
Search Lufthansa flights

Traveling to a place near Riga?

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Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Riga?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Philadelphia to Riga for you.

Can I find flights from Philadelphia to Riga with flexible booking policies on momondo?

Flights from Philadelphia to Riga with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Philadelphia to Riga?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Philadelphia to Riga.

I’m not ready to book a flight from Philadelphia to Riga right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Philadelphia to Riga flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
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KLM
LOT
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