
Popular airlines to Monmouth
- Alaska Airlines
Alaska Airlines
- Delta
Delta
- United
United
- American Airlines
American Airlines
- Southwest Airlines
Southwest Airlines
- Spirit Airlines
Spirit Airlines
- Frontier Airlines
Frontier Airlines
- Plan, book, fly with confidence
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How much is the cheapest flight to Monmouth?
Prices were available within the past 7 days and start at NT$2,044 for one-way flights and NT$4,086 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Dec 6 - Sat, Dec 13
SFO
San Francisco
PDX
Portland
NT$4,086 Roundtrip, found 6 days ago
NT$4,086
Roundtrip
found 6 days ago

Thu, Sep 18 - Mon, Sep 22
SFO
San Francisco
PDX
Portland
NT$4,246 Roundtrip, found 10 hours ago
NT$4,246
Roundtrip
found 10 hours ago

Sat, Dec 6 - Sat, Dec 13
SFO
San Francisco
PDX
Portland
NT$6,840 Roundtrip, found 6 days ago
NT$6,840
Roundtrip
found 6 days ago

Thu, Sep 4 - Wed, Sep 10
YYZ
Toronto
PDX
Portland
NT$8,698 Roundtrip, found 1 day ago
NT$8,698
Roundtrip
found 1 day ago

Wed, Aug 27 - Fri, Aug 29
YYZ
Toronto
PDX
Portland
NT$23,305 Roundtrip, found 6 days ago
NT$23,305
Roundtrip
found 6 days ago
Frequently asked questions
Destination airport | Portland Intl. |
Destination airport IATA code | PDX |
Destination city name | Portland |
Roundtrip price | NT$4,086 |
Get up to 100% off your flight to Monmouth when booking a Flight + Hotel
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Trending flights to Monmouth
Prices were available within the past 7 days and start at NT$2,044 for one-way flights and NT$4,086 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 24 - Fri, Oct 24
TPE
Taipei
PDX
Portland
NT$21,894 Roundtrip, found 6 days ago
NT$21,894
Roundtrip
found 6 days ago
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