$182+ Cheap flights from Portland (PDX) to Liberia (LIR)
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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIR
Mar 27 — Apr 31
1 adult, Economy
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Find cheap flights from Portland to Liberia with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Best
Last-minute
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Cheapest flights from Portland to LiberiaExplore the most affordable flight options available from Portland to Liberia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 25, 2026.
Explore the most affordable flight options available from Portland to Liberia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 25, 2026.
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Mon 4/205:00 am
PDX
- LIR
1 stop9h 19m
United Airlines
Fri 4/243:27 pm
LIR
- PDX
2 stops21h 17m
United Airlines
Deal found 2/21![United Airlines logo]()
$396
This American Airlines deal was found by Cheapflights users on 2/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:47 pm
PDX
- LIR
2 stops12h 23m
American Airlines
Tue 4/2812:27 pm
LIR
- PDX
1 stop12h 26m
American Airlines
Deal found 2/25![American Airlines logo]()
$400
This American Airlines deal was found by Cheapflights users on 2/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:23 pm
PDX
- LIR
2 stops14h 17m
American Airlines
Tue 5/512:27 pm
LIR
- PDX
2 stops23h 34m
American Airlines
Deal found 2/24![American Airlines logo]()
$401
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:39 pm
PDX
- LIR
1 stop11h 57m
Alaska Airlines
Wed 3/1111:45 am
LIR
- PDX
1 stop22h 50m
Alaska Airlines
Deal found 2/21![Alaska Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 2/25. 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.
Mon 5/185:00 am
PDX
- LIR
1 stop9h 19m
United Airlines
Tue 5/263:27 pm
LIR
- PDX
1 stop21h 29m
United Airlines
Deal found 2/25![United Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 2/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1810:28 pm
PDX
- LIR
1 stop13h 42m
American Airlines
Sat 5/912:30 pm
LIR
- PDX
1 stop12h 23m
American Airlines
Deal found 2/25![American Airlines logo]()
$410
This Alaska Airlines deal was found by Cheapflights users on 2/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1810:31 am
PDX
- LIR
1 stop18h 49m
Alaska Airlines
Sat 5/95:09 pm
LIR
- PDX
1 stop17h 21m
Alaska Airlines
Deal found 2/24![Alaska Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 2/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:28 pm
PDX
- LIR
1 stop13h 42m
American Airlines
Sat 5/22:40 pm
LIR
- PDX
2 stops21h 21m
American Airlines
Deal found 2/25![American Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 2/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:12 pm
PDX
- LIR
1 stop21h 57m
American Airlines
Sun 10/41:10 pm
LIR
- PDX
2 stops21h 04m
American Airlines
Deal found 2/23![American Airlines logo]()
$430
Best flights from Portland to LiberiaDiscover carefully curated flight deals from Portland to Liberia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 25, 2026.
Discover carefully curated flight deals from Portland to Liberia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 25, 2026.
This United Airlines deal was found by Cheapflights users on 2/23. 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.
Mon 4/275:00 am
PDX
- LIR
1 stop9h 19m
United Airlines
Mon 5/41:20 pm
LIR
- PDX
2 stops21h 18m
United Airlines
Deal found 2/23![United Airlines logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:30 pm
PDX
- LIR
1 stop15h 06m
Alaska Airlines
Wed 3/1111:45 am
LIR
- PDX
1 stop22h 50m
Alaska Airlines
Deal found 2/22![Alaska Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Thu 6/255:00 am
PDX
- LIR
1 stop9h 19m
United Airlines
Mon 7/273:27 pm
LIR
- PDX
2 stops19h 20m
United Airlines
Deal found 2/21![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 2/23. 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 4/187:14 pm
PDX
- LIR
2 stops18h 11m
United Airlines
Sat 4/258:30 am
LIR
- PDX
1 stop13h 18m
United Airlines
Deal found 2/23![United Airlines logo]()
$470
This United Airlines deal was found by Cheapflights users on 2/24. 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 4/1111:59 pm
PDX
- LIR
1 stop10h 54m
United Airlines
Sat 4/188:30 am
LIR
- PDX
1 stop17h 14m
United Airlines
Deal found 2/24![United Airlines logo]()
$478
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/89:30 pm
PDX
- LIR
1 stop31h 52m
Alaska Airlines
Wed 7/159:00 am
LIR
- PDX
1 stop27h 04m
Alaska Airlines
Deal found 2/21![Alaska Airlines logo]()
$595
This United Airlines deal was found by Cheapflights users on 2/24. 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.
Mon 3/95:05 am
PDX
- LIR
1 stop9h 03m
United Airlines
Wed 3/117:35 am
LIR
- PDX
2 stops16h 29m
United Airlines
Deal found 2/24![United Airlines logo]()
$555
This United Airlines deal was found by Cheapflights users on 2/22. 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.
Thu 6/1111:59 pm
PDX
- LIR
1 stop9h 01m
United Airlines
Mon 6/223:27 pm
LIR
- PDX
2 stops19h 53m
United Airlines
Deal found 2/22![United Airlines logo]()
$608
This United Airlines deal was found by Cheapflights users on 2/24. 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.
Mon 6/1511:59 pm
PDX
- LIR
1 stop9h 01m
United Airlines
Sun 6/214:05 pm
LIR
- PDX
2 stops26h 39m
United Airlines
Deal found 2/24![United Airlines logo]()
$619
This United Airlines deal was found by Cheapflights users on 2/22. 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.
Fri 4/107:14 pm
PDX
- LIR
2 stops15h 56m
United Airlines
Mon 4/133:27 pm
LIR
- PDX
2 stops21h 58m
United Airlines
Deal found 2/22![United Airlines logo]()
$667
This United Airlines deal was found by Cheapflights users on 2/23. 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 6/204:15 pm
PDX
- LIR
2 stops21h 10m
United Airlines
Tue 6/3011:10 am
LIR
- PDX
2 stops23h 37m
United Airlines
Deal found 2/23![United Airlines logo]()
$713
Last-minute flights from Portland to LiberiaDiscover last-minute flight deals from Portland to Liberia. Data last updated February 25, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Liberia. Data last updated February 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/23. 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 3/35:05 am
PDX
- LIR
1 stop9h 03m
United Airlines
Wed 3/1112:06 pm
LIR
- PDX
1 stop11h 54m
United Airlines
Deal found 2/23![United Airlines logo]()
$440
This American Airlines deal was found by Cheapflights users on 2/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/39:44 pm
PDX
- LIR
2 stops14h 29m
American Airlines
Wed 3/112:13 pm
LIR
- PDX
2 stops21h 35m
American Airlines
Deal found 2/23![American Airlines logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:39 pm
PDX
- LIR
1 stop11h 57m
Alaska Airlines
Wed 3/1111:45 am
LIR
- PDX
1 stop22h 50m
Alaska Airlines
Deal found 2/21![Alaska Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 2/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1111:59 pm
PDX
- LIR
1 stop11h 19m
American Airlines
Wed 3/251:32 pm
LIR
- PDX
1 stop11h 43m
American Airlines
Deal found 2/23![American Airlines logo]()
$466
This Expedia deal was found by Cheapflights users on 2/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1610:30 am
PDX
- LIR
1 stop19h 06m
Alaska Airlines
Mon 3/236:12 pm
LIR
- PDX
2 stops20h 38m
Alaska Airlines
Deal found 2/22![Alaska Airlines logo]()
$468
This American Airlines deal was found by Cheapflights users on 2/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3111:59 pm
PDX
- LIR
1 stop10h 38m
American Airlines
Thu 4/162:10 pm
LIR
- PDX
1 stop10h 44m
American Airlines
Deal found 2/23![American Airlines logo]()
$396
This American Airlines deal was found by Cheapflights users on 2/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3111:59 pm
PDX
- LIR
1 stop11h 20m
American Airlines
Wed 4/1512:27 pm
LIR
- PDX
1 stop12h 26m
American Airlines
Deal found 2/24![American Airlines logo]()
$452
One-way flights from Portland to LiberiaSearch for one-way flight options from Portland to Liberia. Find affordable one-way fares based on user searches. Data last updated February 25, 2026.
Search for one-way flight options from Portland to Liberia. Find affordable one-way fares based on user searches. Data last updated February 25, 2026.
This United Airlines deal was found by Cheapflights users on 2/24. 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.
Mon 3/1611:59 pm
PDX
- LIR
1 stop10h 56m
United Airlines
Deal found 2/24![United Airlines logo]()
$182
This American Airlines deal was found by Cheapflights users on 2/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2011:40 pm
PDX
- LIR
1 stop13h 01m
American Airlines
Deal found 2/22![American Airlines logo]()
$196
This United Airlines deal was found by Cheapflights users on 2/22. 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 5/235:15 am
PDX
- LIR
1 stop12h 04m
United Airlines
Deal found 2/22![United Airlines logo]()
$221
This United Airlines deal was found by Cheapflights users on 2/23. 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.
Wed 6/244:15 pm
PDX
- LIR
2 stops18h 55m
United Airlines
Deal found 2/23![United Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:46 pm
PDX
- LIR
2 stops35h 34m
Alaska Airlines
Deal found 2/22![Alaska Airlines logo]()
$242
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:00 am
PDX
- LIR
2 stops22h 20m
Alaska Airlines
Deal found 2/22![Alaska Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 2/22. 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.
Wed 5/205:20 am
PDX
- LIR
3 stops27h 40m
United Airlines
Deal found 2/22![United Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 2/24. 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.
Mon 3/167:15 am
PDX
- LIR
3 stops22h 21m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 5/232:30 pm
PDX
- LIR
3 stops20h 55m
WestJet
Deal found 2/22![WestJet logo]()
$345
This American Airlines deal was found by Cheapflights users on 2/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/229:44 pm
PDX
- LIR
2 stops12h 29m
American Airlines
Deal found 2/24![American Airlines logo]()
$411
This Gurufare deal was found by Cheapflights users on 2/23. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/198:30 am
PDX
- LIR
2 stops25h 10m
Copa Airlines
Deal found 2/23![Copa Airlines logo]()
$412
Find flight deals from Portland to Liberia
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Liberia (LIR). 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 February 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $396 (United Airlines) |
One-way from | $182 (United Airlines) |
Popular in | March |
Cheapest in | September |
Average price | $552 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Liberia 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 February 25, 2026.
Use the filters below to find and compare flights from Portland to Liberia that are best for you.
Fly from
Fly to
Route
Depart
Return
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Mon 4/27
5:00 am-3:19 pm
1 stop9h 19m
Liberia
Mon 5/4
1:20 pm-9:38 am
2 stops21h 18m
$415
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Thu 6/25
5:00 am-3:19 pm
1 stop9h 19m
Liberia
Mon 7/27
3:27 pm-9:47 am
2 stops19h 20m
$429
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Mon 3/9
2:30 pm-6:36 am
1 stop15h 06m
Liberia
Wed 3/11
11:45 am-9:35 am
1 stop22h 50m
$439
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Sat 4/18
7:14 pm-2:25 pm
2 stops18h 11m
Liberia
Sat 4/25
8:30 am-8:48 pm
1 stop13h 18m
$470
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Sat 4/11
11:59 pm-11:53 am
1 stop10h 54m
Liberia
Sat 4/18
8:30 am-12:44 am
1 stop17h 14m
$478
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Mon 3/9
5:05 am-3:08 pm
1 stop9h 03m
Liberia
Wed 3/11
7:35 am-11:04 pm
2 stops16h 29m
$555
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Wed 7/8
9:30 pm-6:22 am
1 stop31h 52m
Liberia
Wed 7/15
9:00 am-11:04 am
1 stop27h 04m
$595
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Thu 6/11
11:59 pm-10:00 am
1 stop9h 01m
Liberia
Mon 6/22
3:27 pm-10:20 am
2 stops19h 53m
$608
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Mon 6/15
11:59 pm-10:00 am
1 stop9h 01m
Liberia
Sun 6/21
4:05 pm-5:44 pm
2 stops26h 39m
$619
PortlandLiberia
PDX - LIR
PDXLIR
Portland
Fri 4/10
7:14 pm-12:10 pm
2 stops15h 56m
Liberia
Mon 4/13
3:27 pm-12:25 pm
2 stops21h 58m
$667
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Portland to Liberia
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 Portland to Liberia in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland-Liberia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Liberia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Liberia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Liberia 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 Portland-Liberia 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 Portland to Liberia
Have a flexible travel schedule? Discover the best time to fly to Liberia from Portland with our price prediction graph.
PDX-LIR
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.
Cheapflights Insights
Everything you need to know about your flight from Portland to Liberia
How far ahead should I book a flight from Portland to Liberia?
Use this chart to determine the optimal time to book a round-trip flight from Portland to Liberia. Price data was last updated on February 20, 2026.
The best time to book flights from Portland to Liberia is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Portland to Liberia?
Currently, January is the cheapest month in which you can book a flight from Portland to Liberia (average of $275). Flying from Portland to Liberia in June is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Portland to Liberia?
Reviews of airlines servicing Liberia
Get insights into the airlines that provide service to Liberia. 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 Liberia. Reviews last updated February 25, 2026.
Read through reviews of airlines operating flights from Portland to Liberia, such as Alaska Airlines, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Food
7.1
Boarding
8.1
Entertainment
7.0
Overall
8.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Food
7.1
Boarding
8.1
Entertainment
7.0
Overall
8.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Food
7.1
Boarding
8.1
Entertainment
7.0
Overall
8.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Food
7.1
Boarding
8.1
Entertainment
7.0
Overall
8.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
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Top 3 airlines flying from Portland to Liberia
Discover the top 3 airlines that operate flights from Portland to Liberia. 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 February 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$344 | Average$556 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$344 | Average$589 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$348 | Average$567 | FlexibilityNo cancel fee | On-time69% |