Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Santiago de los Caballeros from $700

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Santiago de los Caballeros departing on 11/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Santiago de los Caballeros

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:03 pm - 4:08 pmPDX  Portland-STI Santiago de los Caballeros
13h 05m1 stop Miami
American Airlines Logo
5:08 pm - 11:59 pmSTI  Santiago de los Caballeros-PDX Portland
10h 51m1 stop Miami
$700American Airlines
Mon, Nov 9 - Wed, Nov 18
American Airlines Logo
11:08 pm - 2:15 pmPDX  Portland-STI Santiago de los Caballeros
12h 07m2 stops Chicago O'Hare Intl Miami
American Airlines Logo
3:15 pm - 10:59 amSTI  Santiago de los Caballeros-PDX Portland
22h 44m2 stops Miami Dallas/Fort Worth
$705American Airlines
Thu, Sep 10 - Fri, Sep 18
American Airlines Logo
11:49 pm - 4:08 pmPDX  Portland-STI Santiago de los Caballeros
12h 19m2 stops Dallas/Fort Worth Miami
American Airlines Logo
5:08 pm - 12:30 pmSTI  Santiago de los Caballeros-PDX Portland
23h 22m2 stops Miami Chicago O'Hare Intl
$705American Airlines
Mon, Nov 9 - Wed, Nov 18
American Airlines Logo
11:03 pm - 4:08 pmPDX  Portland-STI Santiago de los Caballeros
13h 05m1 stop Miami
American Airlines Logo
5:08 pm - 1:39 pmSTI  Santiago de los Caballeros-PDX Portland
24h 31m2 stops Miami Dallas/Fort Worth
$705American Airlines
Mon, Nov 9 - Wed, Nov 18
United Airlines Logo
11:09 pm - 12:57 pmPDX  Portland-STI Santiago de los Caballeros
10h 48m1 stop Newark
United Airlines Logo
6:00 am - 10:03 pmSTI  Santiago de los Caballeros-PDX Portland
19h 03m1 stop Newark
$720United Airlines
Mon, Sep 14 - Mon, Sep 21
Delta Logo
10:00 pm - 5:59 pmPDX  Portland-STI Santiago de los Caballeros
16h 59m1 stop New York John F Kennedy Intl
Delta Logo
7:30 pm - 4:05 pmSTI  Santiago de los Caballeros-PDX Portland
23h 35m2 stops New York John F Kennedy Intl Salt Lake City
$725Delta
Thu, Sep 10 - Fri, Sep 18
Delta Logo
10:00 pm - 5:59 pmPDX  Portland-STI Santiago de los Caballeros
16h 59m1 stop New York John F Kennedy Intl
Delta Logo
7:30 pm - 4:05 pmSTI  Santiago de los Caballeros-PDX Portland
23h 35m2 stops New York John F Kennedy Intl Salt Lake City
$745Delta
Mon, Sep 14 - Mon, Sep 21
Delta Logo
10:57 pm - 5:59 pmPDX  Portland-STI Santiago de los Caballeros
16h 02m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
Delta Logo
7:30 pm - 4:05 pmSTI  Santiago de los Caballeros-PDX Portland
23h 35m2 stops New York John F Kennedy Intl Salt Lake City
$745Delta
Mon, Sep 14 - Mon, Sep 21
United Airlines Logo
11:18 pm - 12:57 pmPDX  Portland-STI Santiago de los Caballeros
10h 39m1 stop Newark
United Airlines Logo
6:00 am - 10:53 pmSTI  Santiago de los Caballeros-PDX Portland
19h 53m2 stops Newark Denver Intl
$765United Airlines
Tue, Sep 8 - Wed, Sep 23
United Airlines Logo
11:18 pm - 12:57 pmPDX  Portland-STI Santiago de los Caballeros
10h 39m1 stop Newark
United Airlines Logo
4:23 pm - 9:50 amSTI  Santiago de los Caballeros-PDX Portland
20h 27m1 stop Newark
$765United Airlines
Tue, Sep 8 - Wed, Sep 23

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Portland to Santiago de los Caballeros

Our best United Airlines deals on Portland to Santiago de los Caballeros flight tickets
United Airlines
Sep 14
PDX11:09 pmPortland
10h 48m
1 stop
STI12:57 pmSantiago de los Caballeros
Sep 21
STI6:00 amSantiago de los Caballeros
19h 03m
1 stop
PDX10:03 pmPortland
$720
United Airlines
Sep 8
PDX11:18 pmPortland
10h 39m
1 stop
STI12:57 pmSantiago de los Caballeros
Sep 23
STI4:23 pmSantiago de los Caballeros
20h 27m
1 stop
PDX9:50 amPortland
$765
United Airlines
Sep 10
PDX11:09 pmPortland
13h 03m
1 stop
STI3:12 pmSantiago de los Caballeros
Sep 18
STI6:00 amSantiago de los Caballeros
19h 03m
1 stop
PDX10:03 pmPortland
$820

American Airlines flights from Portland to Santiago de los Caballeros

Our best American Airlines deals on Portland to Santiago de los Caballeros flight tickets
American Airlines
Nov 9
PDX11:03 pmPortland
13h 05m
1 stop
STI4:08 pmSantiago de los Caballeros
Nov 18
STI5:08 pmSantiago de los Caballeros
10h 51m
1 stop
PDX11:59 pmPortland
$700
American Airlines
Sep 10
PDX11:08 pmPortland
12h 07m
2 stops
STI2:15 pmSantiago de los Caballeros
Sep 18
STI3:15 pmSantiago de los Caballeros
22h 44m
2 stops
PDX10:59 amPortland
$705
American Airlines
Sep 10
PDX11:08 pmPortland
12h 07m
2 stops
STI2:15 pmSantiago de los Caballeros
Sep 18
STI3:15 pmSantiago de los Caballeros
22h 44m
2 stops
PDX10:59 amPortland
$770

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Santiago de los Caballeros 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 August 16, 2026.
Use the filters below to find and compare flights from Portland to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandSantiago de los Caballeros

PDX Portland - STI Santiago de los Caballeros

PDXSTI

Portland

Mon 11/9

11:03 pm-4:08 pm

1 stop13h 05m

Santiago de los Caballeros

Wed 11/18

5:08 pm-11:59 pm

1 stop10h 51m

$700

PortlandSantiago de los Caballeros

PDX Portland - STI Santiago de los Caballeros

PDXSTI

Portland

Thu 9/10

11:08 pm-2:15 pm

2 stops12h 07m

Santiago de los Caballeros

Fri 9/18

3:15 pm-10:59 am

2 stops22h 44m

$705

PortlandSantiago de los Caballeros

PDX Portland - STI Santiago de los Caballeros

PDXSTI

Portland

Mon 11/9

11:49 pm-4:08 pm

2 stops12h 19m

Santiago de los Caballeros

Wed 11/18

5:08 pm-12:30 pm

2 stops23h 22m

$705

PortlandSantiago de los Caballeros

PDX Portland - STI Santiago de los Caballeros

PDXSTI

Portland

Mon 11/9

11:03 pm-4:08 pm

1 stop13h 05m

Santiago de los Caballeros

Wed 11/18

5:08 pm-1:39 pm

2 stops24h 31m

$705

PortlandSantiago de los Caballeros

PDX Portland - STI Santiago de los Caballeros

PDXSTI

Portland

Mon 9/14

11:09 pm-12:57 pm

1 stop10h 48m

Santiago de los Caballeros

Mon 9/21

6:00 am-10:03 pm

1 stop19h 03m

$720

PortlandSantiago de los Caballeros

PDX Portland - STI Santiago de los Caballeros

PDXSTI

Portland

Thu 9/10

10:00 pm-5:59 pm

1 stop16h 59m

Santiago de los Caballeros

Fri 9/18

7:30 pm-4:05 pm

2 stops23h 35m

$725

PortlandSantiago de los Caballeros

PDX Portland - STI Santiago de los Caballeros

PDXSTI

Portland

Mon 9/14

10:00 pm-5:59 pm

1 stop16h 59m

Santiago de los Caballeros

Mon 9/21

7:30 pm-4:05 pm

2 stops23h 35m

$745

PortlandSantiago de los Caballeros

PDX Portland - STI Santiago de los Caballeros

PDXSTI

Portland

Mon 9/14

10:57 pm-5:59 pm

2 stops16h 02m

Santiago de los Caballeros

Mon 9/21

7:30 pm-4:05 pm

2 stops23h 35m

$745

PortlandSantiago de los Caballeros

PDX Portland - STI Santiago de los Caballeros

PDXSTI

Portland

Tue 9/8

11:18 pm-12:57 pm

1 stop10h 39m

Santiago de los Caballeros

Wed 9/23

6:00 am-10:53 pm

2 stops19h 53m

$765

PortlandSantiago de los Caballeros

PDX Portland - STI Santiago de los Caballeros

PDXSTI

Portland

Tue 9/8

11:18 pm-12:57 pm

1 stop10h 39m

Santiago de los Caballeros

Wed 9/23

4:23 pm-9:50 am

1 stop20h 27m

$765

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Santiago de los Caballeros from

How to get the cheapest flight ticket from Portland to Santiago de los Caballeros

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

Can stopping save me money on Portland to Santiago de los Caballeros flights?

You could potentially save up to 61% on your flight if you consider stops on a Portland to Santiago de los Caballeros flight.

When to book flights from Portland to Santiago de los Caballeros

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Santiago de los Caballeros according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Santiago de los Caballeros (PDX to STI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Santiago de los Caballeros

Fastest flight time

13h 50m

Direct flights

None
The fastest flight from Portland to Santiago de los Caballeros takes 13h 50m
There are no direct flights from Portland to Santiago de los Caballeros. There are no popular flight routes from Portland to Santiago de los Caballeros.
Search flight deals

Frequently asked questions about flying from Portland to Santiago de los Caballeros

  • How far is Portland to Santiago de los Caballeros by plane?

    Portland and Santiago de los Caballeros are 3443.3 mi apart from one another. Flights usually cover this in 13h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Portland Airport to Santiago de los Caballeros Airport?

    Prices for flights from Portland Airport to Santiago de los Caballeros Airport are updated daily.

  • How many operators does momondo search for flights from Portland Airport to Santiago de los Caballeros Airport?

  • How old do you have to be to fly from Portland Airport to Santiago de los Caballeros Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Santiago de los Caballeros Airport.

  • What documentation or ID do you need to fly to Santiago de los Caballeros Airport?

    The travel and health documents required for your trip to Santiago de los Caballeros Airport 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 Santiago de los Caballeros Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Portland to Santiago de los Caballeros?

Best airlines flying from Portland to Santiago de los Caballeros

Compare and see reviews for airlines that fly from Portland to Santiago de los Caballeros with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $467Free CancellationRating
7.4
10,104 reviews
Search United Airlines flights
American AirlinesPriceFrom $492Free CancellationRating
7.1
11,950 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Santiago de los Caballeros?

Finding the right flight to Santiago de los Caballeros from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Santiago de los Caballeros quick and easy, saving you time and money.

Can I find flights from Portland to Santiago de los Caballeros with flexible booking policies on momondo?

All flight searches from Portland to Santiago de los Caballeros on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to Santiago de los Caballeros?

momondo provides multiple filters to help you find the best flight to Santiago de los Caballeros from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Santiago de los Caballeros right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Santiago de los Caballeros 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 Santiago de los Caballeros trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 9/15
Tue 9/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the Dominican Republic