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Portland International Airport to Siem Reap flight
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Cheap Flights from Portland International Airport to Siem Reap

Search for flights from Portland International Airport to Siem Reap and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • PDX19:55
        47h 55m
        2 stops
        SAI09:50
        Portland - Siem Reap|Tue, May 28|United Airlines
        €817€2,769
        71% OFF
        71% OFF
        €2,769€817
      • PDX15:40
        28h 10m
        2 stops
        SAI09:50
        Portland - Siem Reap|Tue, May 28|Frontier Airlines
        €910€2,769
        67% OFF
        67% OFF
        €2,769€910
      • PDX16:47
        27h 3m
        2 stops
        SAI09:50
        Portland - Siem Reap|Tue, May 28|Alaska Airlines
        €934€2,769
        66% OFF
        66% OFF
        €2,769€934
      • PDX14:58
        28h 32m
        2 stops
        SAI09:30
        Portland - Siem Reap|Thu, Jul 11|Alaska Airlines
        €979
        €979
      • PDX15:40
        28h 10m
        2 stops
        SAI09:50
        Portland - Siem Reap|Thu, Jul 11|Frontier Airlines
        €1,035
        €1,035
      • PDX19:40
        24h 10m
        2 stops
        SAI09:50
        Portland - Siem Reap|Thu, Jul 11|United Airlines
        €1,238
        €1,238
      • PDX19:55
        23h 55m
        2 stops
        SAI09:50
        Portland - Siem Reap|Mon, May 27|United Airlines
        €1,246
        €1,246
      • PDX07:00
        36h 50m
        2 stops
        SAI09:50
        Portland - Siem Reap|Mon, May 27|Alaska Airlines
        €1,412
        €1,412
      • PDX16:05
        27h 45m
        2 stops
        SAI09:50
        Portland - Siem Reap|Mon, May 27|Frontier Airlines
        €1,456
        €1,456
      • PDX20:06
        23h 44m
        2 stops
        SAI09:50
        Portland - Siem Reap|Fri, Jun 21|United Airlines
        €1,642
        €1,642
      • PDX13:00
        3h 5m
        Direct
        REP14:00
        Portland - Siem Reap|Wed, May 29|United Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Portland International Airport to Siem Reap

See which airlines fly from Portland International Airport to Siem Reap. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

United Airlines
From €817
Frontier Airlines
From €910
Alaska Airlines
From €934
Singapore Airlines
From €2,020
Iberia
From €2,469
Fiji Airways
From €6,810
ANA airlines

Find more flights and airlines

Airports in Siem Reap

Learn about different airports in Siem Reap, find the best flight and transfer options, and plan your journey.

  • 40.5 km from central Siem Reap
    Siem Reap Angkor International Airport
    Tickets From
    €817
Flight Schedule from Portland International Airport to Siem Reap

Check the schedule for flights from Portland International Airport to Siem Reap and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. SQ1259

    Singapore Airlines

    06:00

    PDX

    2.5h

    08:29

    LAX

    SMTWTFS
    Search

  2. SQ011

    Singapore Airlines

    14:20

    LAX

    19.9h

    01:15

    SIN

    SMTWTFS

  3. SQ164

    Singapore Airlines

    08:45

    SIN

    2.1h

    09:50

    SAI

    SMTWTFS

  4. AS1143

    Alaska Airlines

    08:25

    PDX

    2.5h

    10:54

    LAX

    S-TWT-S
    Search

  5. SQ011

    Singapore Airlines

    14:20

    LAX

    19.9h

    01:15

    SIN

    SMTWTFS

  6. SQ164

    Singapore Airlines

    08:45

    SIN

    2.1h

    09:50

    SAI

    SMTWTFS

  7. UA2378

    United Airlines

    09:04

    PDX

    1.9h

    10:59

    SFO

    SMTWTFS
    Search

  8. UA001

    United Airlines

    22:55

    SFO

    16.3h

    06:15

    SIN

    SMTWTFS

  9. SQ164

    Singapore Airlines

    08:45

    SIN

    2.1h

    09:50

    SAI

    SMTWTFS

  10. SQ1282

    Singapore Airlines

    16:14

    PDX

    1.8h

    18:00

    SFO

    SMTWTFS
    Search

  11. SQ033

    Singapore Airlines

    22:05

    SFO

    16.6h

    05:40

    SIN

    SMTWTFS

  12. SQ164

    Singapore Airlines

    08:45

    SIN

    2.1h

    09:50

    SAI

    SMTWTFS

  13. FJ5815

    Fiji Airways

    16:30

    PDX

    1.8h

    18:16

    SFO

    SMTWT-S
    Search

  14. UA001

    United Airlines

    22:55

    SFO

    16.3h

    06:15

    SIN

    SMTWTFS

  15. SQ164

    Singapore Airlines

    08:45

    SIN

    2.1h

    09:50

    SAI

    SMTWTFS

  16. AS1163

    Alaska Airlines

    16:57

    PDX

    1.7h

    18:41

    SFO

    SMTWT-S
    Search

  17. UA001

    United Airlines

    22:55

    SFO

    16.3h

    06:15

    SIN

    SMTWTFS

  18. SQ164

    Singapore Airlines

    08:45

    SIN

    2.1h

    09:50

    SAI

    SMTWTFS

  19. F93361

    Frontier Airlines

    18:13

    PDX

    1.8h

    20:01

    SFO

    SMTWT-S
    Search

  20. UA001

    United Airlines

    22:55

    SFO

    16.3h

    06:15

    SIN

    SMTWTFS

  21. SQ164

    Singapore Airlines

    08:45

    SIN

    2.1h

    09:50

    SAI

    SMTWTFS

  22. IB7326

    Iberia

    19:15

    PDX

    9.5h

    12:45

    LHR

    SMTWTFS
    Search

  23. BR068

    EVA Air

    21:35

    LHR

    11.9h

    15:30

    BKK

    SMTWTFS

  24. PG907

    Bangkok Airways

    17:25

    BKK

    1.3h

    18:45

    SAI

    SMTWTFS

  25. UA1126

    United Airlines

    19:30

    PDX

    1.9h

    21:25

    SFO

    SMTWTFS
    Search

  26. UA001

    United Airlines

    22:55

    SFO

    16.3h

    06:15

    SIN

    SMTWTFS

  27. SQ164

    Singapore Airlines

    08:45

    SIN

    2.1h

    09:50

    SAI

    SMTWTFS

  28. UA2482

    United Airlines

    19:40

    PDX

    1.8h

    21:29

    SFO

    --T----
    Search

  29. UA001

    United Airlines

    22:55

    SFO

    16.3h

    06:15

    SIN

    SMTWTFS

  30. SQ164

    Singapore Airlines

    08:45

    SIN

    2.1h

    09:50

    SAI

    SMTWTFS
Find more flights and airlines

Flight Info of Flights from Portland International Airport to Siem Reap

Off-season for travel

March

Peak season for travel

January

FAQs for Portland International Airport to Siem Reap Flights

  • What is the transportation method from the main airport to downtown in Siem Reap?

    • The distance from Siem Reap Angkor International Airport to downtown is about 39km. It takes about 50 minutes by taxi.

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