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Cheap flights from Portland to North America from $53

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to North America departing on 12/7. 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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Find the cheapest flights from Portland to North America

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:51 pm - 3:10 pmPDX-ONT
2h 19mnonstop
Frontier Logo
12:58 am - 3:16 pmONT-PDX
14h 18m1 stop
$117Frontier
Find Deal
Mon, Nov 17 - Sun, Nov 23
Frontier Logo
5:28 pm - 10:11 amPDX-ONT
16h 43m1 stop
Frontier Logo
12:29 pm - 3:04 pmONT-PDX
2h 35mnonstop
$118Frontier
Find Deal
Fri, Nov 28 - Mon, Dec 1
Alaska Airlines Logo
9:50 pm - 11:49 pmPDX-SFO
1h 59mnonstop
Alaska Airlines Logo
7:20 pm - 9:11 pmSFO-PDX
1h 51mnonstop
$136Alaska Airlines
Find Deal
Tue, Dec 23 - Tue, Dec 30
Alaska Airlines Logo
9:00 pm - 10:55 pmPDX-SFO
1h 55mnonstop
Alaska Airlines Logo
10:35 pm - 12:25 amSFO-PDX
1h 50mnonstop
$137Alaska Airlines
Find Deal
Wed, Dec 17 - Sat, Dec 20
United Airlines Logo
1:00 pm - 2:50 pmPDX-SFO
1h 50mnonstop
United Airlines Logo
9:00 pm - 10:52 pmSFO-PDX
1h 52mnonstop
$147United Airlines
Find Deal
Wed, Dec 3 - Fri, Dec 5
Delta Logo
7:10 am - 1:45 pmPDX-PHX
5h 35m1 stop
Delta Logo
12:05 pm - 6:50 pmPHX-PDX
7h 45m1 stop
$157Delta
Find Deal
Wed, Jan 14 - Sun, Jan 18
Delta Logo
2:23 pm - 6:56 pmPDX-SFO
4h 33m1 stop
Delta Logo
5:45 am - 10:55 amSFO-PDX
5h 10m1 stop
$157Delta
Find Deal
Sat, Dec 6 - Wed, Dec 17
American Airlines Logo
8:35 am - 4:03 pmPDX-SFO
7h 28m1 stop
American Airlines Logo
12:20 pm - 8:50 pmSFO-PDX
8h 30m1 stop
$159American Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
American Airlines Logo
11:40 am - 3:13 pmPDX-PHX
2h 33mnonstop
American Airlines Logo
11:37 am - 1:34 pmPHX-PDX
2h 57mnonstop
$190American Airlines
Find Deal
Mon, Dec 8 - Wed, Dec 10
United Airlines Logo
7:30 am - 12:01 pmPDX-SNA
4h 31m1 stop
United Airlines Logo
11:00 am - 6:31 pmSNA-PDX
7h 31m1 stop
$243United Airlines
Find Deal
Sat, Apr 25 - Wed, Apr 29

Frontier flights from Portland to North America

Our best Frontier deals on Portland to North America flight tickets
Frontier
Nov 17
PDX12:51 pmPortland
2h 19m
ONT3:10 pmOntario
Nov 23
ONT12:58 amOntario
14h 18m
1 stop
PDX3:16 pmPortland
$117
Find similar
Frontier
Nov 28
PDX5:28 pmPortland
16h 43m
1 stop
ONT10:11 amOntario
Dec 1
ONT12:29 pmOntario
2h 35m
PDX3:04 pmPortland
$118
Find similar
Frontier
Dec 5
PDX12:55 pmPortland
11h 34m
1 stop
LAX12:29 amLos Angeles
Dec 8
LAX2:00 pmLos Angeles
2h 37m
PDX4:37 pmPortland
$121
Find similar

Alaska Airlines flights from Portland to North America

Our best Alaska Airlines deals on Portland to North America flight tickets
Alaska Airlines
Dec 23
PDX9:50 pmPortland
1h 59m
SFO11:49 pmSan Francisco
Dec 30
SFO7:20 pmSan Francisco
1h 51m
PDX9:11 pmPortland
$136
Find similar
Alaska Airlines
Dec 17
PDX9:00 pmPortland
1h 55m
SFO10:55 pmSan Francisco
Dec 20
SFO10:35 pmSan Francisco
1h 50m
PDX12:25 amPortland
$137
Find similar
Alaska Airlines
Dec 3
PDX10:36 amPortland
1h 53m
SFO12:29 pmSan Francisco
Dec 3
SFO2:32 pmSan Francisco
6h 03m
1 stop
PDX8:35 pmPortland
$141
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to North America 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 6, 2025.
Use the filters below to find and compare flights from Portland to North America that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandOntario

PDX - ONT

PDXONT

Portland

Mon 11/17

12:51 pm-3:10 pm

Nonstop2h 19m

Ontario

Sun 11/23

12:58 am-3:16 pm

1 stop14h 18m

$117

PortlandOntario

PDX - ONT

PDXONT

Portland

Fri 11/28

5:28 pm-10:11 am

1 stop16h 43m

Ontario

Mon 12/1

12:29 pm-3:04 pm

Nonstop2h 35m

$118

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Tue 12/23

9:50 pm-11:49 pm

Nonstop1h 59m

San Francisco

Tue 12/30

7:20 pm-9:11 pm

Nonstop1h 51m

$136

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 12/17

9:00 pm-10:55 pm

Nonstop1h 55m

San Francisco

Sat 12/20

10:35 pm-12:25 am

Nonstop1h 50m

$137

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 12/3

1:00 pm-2:50 pm

Nonstop1h 50m

San Francisco

Fri 12/5

9:00 pm-10:52 pm

Nonstop1h 52m

$147

PortlandPhoenix

PDX - PHX

PDXPHX

Portland

Wed 1/14

7:10 am-1:45 pm

1 stop5h 35m

Phoenix Sky Harbor Intl

Sun 1/18

12:05 pm-6:50 pm

1 stop7h 45m

$157

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Sat 12/6

2:23 pm-6:56 pm

1 stop4h 33m

San Francisco

Wed 12/17

5:45 am-10:55 am

1 stop5h 10m

$157

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 12/3

8:35 am-4:03 pm

1 stop7h 28m

San Francisco

Wed 12/10

12:20 pm-8:50 pm

1 stop8h 30m

$159

PortlandPhoenix

PDX - PHX

PDXPHX

Portland

Mon 12/8

11:40 am-3:13 pm

Nonstop2h 33m

Phoenix Sky Harbor Intl

Wed 12/10

11:37 am-1:34 pm

Nonstop2h 57m

$190

PortlandSanta Ana

PDX - SNA

PDXSNA

Portland

Sat 4/25

7:30 am-12:01 pm

1 stop4h 31m

Santa Ana J. Wayne/Orange Cnty

Wed 4/29

11:00 am-6:31 pm

1 stop7h 31m

$243

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Portland to North America

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 month to fly to North America?

The month of January is, on average, the cheapest month to fly to North America from Portland, with most prices found around $278. If you are unable to visit North America during the month of January, then departing from Portland during the month February is also very affordable. Most momondo users find prices during this month for around $287.

What is the cheapest day to depart on your flight to North America?

The cheapest day to depart from Portland to North America is on a Friday. Travelers who choose to depart for North America on a Friday will often find tickets for as low as $461. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to North America on Sunday is $599.

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

The cheapest time of day to fly to North America is in the afternoon when flights can be purchased for as low as $260. Try not to purchase tickets in the morning because they tend to be around $526. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Portland to North America flight route?

Fly from Portland to Las Vegas Harry Reid Intl for the best Portland - North America flight prices

How far in advance should I book a flight to North America?

You are more likely to see cheaper flights to North America from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to North America for around $410 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to North America from Portland for as low as $320 on momondo.

What cabin class options are available on Portland to North America flights?

There are 4 cabin classes available to choose from on Portland to North America flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Portland to North America flights?

No. A direct flight is the cheapest option for a flight between Portland to North America.

Cheap Portland to North America flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to North America

Best Price Found

$72

Fastest flight time

1h 47m

Direct flights

Every day

Airports in North America

1 airport
The best one-way flight to North America from Portland in the past 72 hours is $72. The best round-trip flight deal from Portland to North America found on momondo in the last 72 hours is $83.
The fastest flight from Portland to North America takes 1h 47m
Direct flights go from Portland to North America every day.
There is 1 airport near North America: San Francisco (SFO)
Search flight deals

  • When did momondo last update prices for flights from Portland Airport to North America?

    Prices for flights from Portland Airport to North America are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to North America?

  • How old do you have to be to fly from Portland Airport to North America?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to North America.

  • What documentation or ID do you need to fly to North America?

    The travel and health documents required for your trip to North America can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at North America. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Portland to North America?

Best airlines flying from Portland to North America

Compare and see reviews for airlines that fly from Portland to North America with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $36Free CancellationRating
5.8
3,116 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $50Free CancellationRating
6.3
8,114 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $63Free CancellationRating
8.0
11,241 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $78Free CancellationRating
7.8
2,804 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $106Free CancellationRating
7.4
9,003 reviews
Search United Airlines flights
DeltaPriceFrom $128Free CancellationRating
7.9
8,001 reviews
Search Delta flights
JetBluePriceFrom $133Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
SouthwestPriceFrom $137Free CancellationRating
8.0
4,240 reviews
Search Southwest flights
American AirlinesPriceFrom $148Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
Sun Country AirPriceFrom $193Free CancellationRating
6.9
335 reviews
Search Sun Country Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to North America?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to North America. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to North America with flexible booking policies on momondo?

momondo does allow users to show only those flights to North America from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to North America?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to North America from Portland.

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

Yes momondo offers price alerts on flights to North America from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your North America trip

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Find better results for your trip to North America

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