Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline United Airlines
Cheapest Month July
Cheapest Day of the Week Thursday
Cheapest Airline United Airlines

The cheapest airline(s) flying from Portland to Guam is United Airlines.

  • United Airlines United Airlines
  • Alaska Airlines Alaska Airlines
  • Hawaiian Airlines Hawaiian Airlines
Cheapest Month July

Travel Period: June 2025 - May 2026

The cheapest month(s) to fly from Portland to Guam is July.

  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
  • Oct 2025
  • Nov 2025
  • Dec 2025
  • Jan 2026
  • Feb 2026
  • Mar 2026
  • Apr 2026
  • May 2026
Cheapest Day of the Week Thursday

The cheapest day(s) of the week to fly from Portland to Guam is Thursday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday

Flight Schedules

Last Updated: Fri, 2 May, 2025

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      • Availability
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      • 14:20 HNL
        07:50 SFO
        19Hrs, 15m 1 Stop (GUM)
      • HNLHonolulu International Airport 14:20 - SFO 07:50 19h 15m 1 Stop (GUM) Guam
      • HNLHonolulu International Airport 14:20
        PDXPortland Airport 06:00
      • GUMGuam Antonio B Won Pat International Airport 18:15
        SFOSan Francisco International Airport 07:50
      • 19h 15m (3h 51m)
      • 1 Stop GUM · Guam 3h 51m
      • United Airlines (UA 201)Boeing 777 300 Er
        United Airlines (UA 1164)Airbus
      • United Airlines (UA 201)
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      • 14:20 HNL
        07:50 SFO
        19Hrs, 15m 1 Stop (GUM)
      • HNLHonolulu International Airport 14:20 - SFO 07:50 19h 15m 1 Stop (GUM) Guam
      • HNLHonolulu International Airport 14:20
        PDXPortland Airport 06:00
      • GUMGuam Antonio B Won Pat International Airport 18:15
        SFOSan Francisco International Airport 07:50
      • 19h 15m (3h 51m)
      • 1 Stop GUM · Guam 3h 51m
      • United Airlines (UA 201)Boeing 777 300 Er
        United Airlines (UA 1164)Boeing 737 Max 8 Passenger
      • United Airlines (UA 201)
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      • 14:20 HNL
        07:50 SFO
        19Hrs, 15m 1 Stop (GUM)
      • HNLHonolulu International Airport 14:20 - SFO 07:50 19h 15m 1 Stop (GUM) Guam
      • HNLHonolulu International Airport 14:20
        PDXPortland Airport 06:00
      • GUMGuam Antonio B Won Pat International Airport 18:15
        SFOSan Francisco International Airport 07:50
      • 19h 15m (3h 51m)
      • 1 Stop GUM · Guam 3h 51m
      • United Airlines (UA 201)Boeing 777 300 Er
        United Airlines (UA 1164)Boeing 737 800
      • United Airlines (UA 201)
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      • 16:55 NRT
        09:45 SFO
        20Hrs, 41m 1 Stop (GUM)
      • NRTTokyo Narita Airport 16:55 - SFO 09:45 20h 41m 1 Stop (GUM) Guam
      • NRTTokyo Narita Airport 16:55
        PDXPortland Airport 07:54
      • GUMGuam Antonio B Won Pat International Airport 21:35
        SFOSan Francisco International Airport 09:45
      • 20h 41m (4h 05m)
      • 1 Stop GUM · Guam 4h 05m
      • United Airlines (UA 865)Boeing 737 800
        United Airlines (UA 1116)Boeing 737 Max 9 Passenger
      • United Airlines (UA 865)
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      • 16:55 NRT
        09:45 SFO
        20Hrs, 41m 1 Stop (GUM)
      • NRTTokyo Narita Airport 16:55 - SFO 09:45 20h 41m 1 Stop (GUM) Guam
      • NRTTokyo Narita Airport 16:55
        PDXPortland Airport 07:54
      • GUMGuam Antonio B Won Pat International Airport 21:35
        SFOSan Francisco International Airport 09:45
      • 20h 41m (3h 55m)
      • 1 Stop GUM · Guam 3h 55m
      • United Airlines (UA 865)Boeing 737 800
        United Airlines (UA 1116)Boeing 737 Max 9 Passenger
      • United Airlines (UA 865)
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      • 17:00 NRT
        09:45 SFO
        20Hrs, 46m 1 Stop (GUM)
      • NRTTokyo Narita Airport 17:00 - SFO 09:45 20h 46m 1 Stop (GUM) Guam
      • NRTTokyo Narita Airport 17:00
        PDXPortland Airport 07:54
      • GUMGuam Antonio B Won Pat International Airport 21:40
        SFOSan Francisco International Airport 09:45
      • 20h 46m (4h 10m)
      • 1 Stop GUM · Guam 4h 10m
      • United Airlines (UA 197)Boeing 737 800
        United Airlines (UA 1116)Boeing 737 Max 9 Passenger
      • United Airlines (UA 197)
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      • 17:00 NRT
        09:45 SFO
        20Hrs, 46m 1 Stop (GUM)
      • NRTTokyo Narita Airport 17:00 - SFO 09:45 20h 46m 1 Stop (GUM) Guam
      • NRTTokyo Narita Airport 17:00
        PDXPortland Airport 07:54
      • GUMGuam Antonio B Won Pat International Airport 21:40
        SFOSan Francisco International Airport 09:45
      • 20h 46m (4h)
      • 1 Stop GUM · Guam 4h
      • United Airlines (UA 197)Boeing 737 800
        United Airlines (UA 1116)Boeing 737 Max 9 Passenger
      • United Airlines (UA 197)
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      No Schedules Sorry, there are no schedules matching your filters. Try removing one. reset
      How far is Guam from Portland?

      The flight distance between Portland and Guam is 9140km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 14:20. The last flight of the day departs at 14:20. See the full list of flight times on Wego.

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